sort.c 61.0 KB
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Don Zickus 已提交
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#include <sys/mman.h>
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#include "sort.h"
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#include "hist.h"
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#include "comm.h"
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#include "symbol.h"
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#include "evsel.h"
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#include "evlist.h"
#include <traceevent/event-parse.h>
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regex_t		parent_regex;
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const char	default_parent_pattern[] = "^sys_|^do_page_fault";
const char	*parent_pattern = default_parent_pattern;
const char	default_sort_order[] = "comm,dso,symbol";
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const char	default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles";
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const char	default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
const char	default_top_sort_order[] = "dso,symbol";
const char	default_diff_sort_order[] = "dso,symbol";
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const char	default_tracepoint_sort_order[] = "trace";
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const char	*sort_order;
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const char	*field_order;
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regex_t		ignore_callees_regex;
int		have_ignore_callees = 0;
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int		sort__need_collapse = 0;
int		sort__has_parent = 0;
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Namhyung Kim 已提交
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int		sort__has_sym = 0;
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Namhyung Kim 已提交
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int		sort__has_dso = 0;
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int		sort__has_socket = 0;
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int		sort__has_thread = 0;
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enum sort_mode	sort__mode = SORT_MODE__NORMAL;
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/*
 * Replaces all occurrences of a char used with the:
 *
 * -t, --field-separator
 *
 * option, that uses a special separator character and don't pad with spaces,
 * replacing all occurances of this separator in symbol names (and other
 * output) with a '.' character, that thus it's the only non valid separator.
*/
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static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
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{
	int n;
	va_list ap;

	va_start(ap, fmt);
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	n = vsnprintf(bf, size, fmt, ap);
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	if (symbol_conf.field_sep && n > 0) {
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		char *sep = bf;

		while (1) {
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			sep = strchr(sep, *symbol_conf.field_sep);
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			if (sep == NULL)
				break;
			*sep = '.';
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		}
	}
	va_end(ap);
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	if (n >= (int)size)
		return size - 1;
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	return n;
}

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static int64_t cmp_null(const void *l, const void *r)
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{
	if (!l && !r)
		return 0;
	else if (!l)
		return -1;
	else
		return 1;
}

/* --sort pid */

static int64_t
sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	return right->thread->tid - left->thread->tid;
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}

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static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf,
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				       size_t size, unsigned int width)
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{
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	const char *comm = thread__comm_str(he->thread);
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	width = max(7U, width) - 6;
	return repsep_snprintf(bf, size, "%5d:%-*.*s", he->thread->tid,
			       width, width, comm ?: "");
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}

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struct sort_entry sort_thread = {
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	.se_header	= "  Pid:Command",
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	.se_cmp		= sort__thread_cmp,
	.se_snprintf	= hist_entry__thread_snprintf,
	.se_width_idx	= HISTC_THREAD,
};

/* --sort comm */

static int64_t
sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	/* Compare the addr that should be unique among comm */
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	return strcmp(comm__str(right->comm), comm__str(left->comm));
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}

static int64_t
sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
{
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	/* Compare the addr that should be unique among comm */
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	return strcmp(comm__str(right->comm), comm__str(left->comm));
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}

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static int64_t
sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
{
	return strcmp(comm__str(right->comm), comm__str(left->comm));
}

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static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
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				     size_t size, unsigned int width)
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{
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	return repsep_snprintf(bf, size, "%-*.*s", width, width, comm__str(he->comm));
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}

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struct sort_entry sort_comm = {
	.se_header	= "Command",
	.se_cmp		= sort__comm_cmp,
	.se_collapse	= sort__comm_collapse,
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	.se_sort	= sort__comm_sort,
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	.se_snprintf	= hist_entry__comm_snprintf,
	.se_width_idx	= HISTC_COMM,
};

/* --sort dso */

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static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
{
	struct dso *dso_l = map_l ? map_l->dso : NULL;
	struct dso *dso_r = map_r ? map_r->dso : NULL;
	const char *dso_name_l, *dso_name_r;

	if (!dso_l || !dso_r)
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		return cmp_null(dso_r, dso_l);
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	if (verbose) {
		dso_name_l = dso_l->long_name;
		dso_name_r = dso_r->long_name;
	} else {
		dso_name_l = dso_l->short_name;
		dso_name_r = dso_r->short_name;
	}

	return strcmp(dso_name_l, dso_name_r);
}

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static int64_t
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sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	return _sort__dso_cmp(right->ms.map, left->ms.map);
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}
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static int _hist_entry__dso_snprintf(struct map *map, char *bf,
				     size_t size, unsigned int width)
{
	if (map && map->dso) {
		const char *dso_name = !verbose ? map->dso->short_name :
			map->dso->long_name;
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		return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
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	}

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	return repsep_snprintf(bf, size, "%-*.*s", width, width, "[unknown]");
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}

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static int hist_entry__dso_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
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	return _hist_entry__dso_snprintf(he->ms.map, bf, size, width);
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}

struct sort_entry sort_dso = {
	.se_header	= "Shared Object",
	.se_cmp		= sort__dso_cmp,
	.se_snprintf	= hist_entry__dso_snprintf,
	.se_width_idx	= HISTC_DSO,
};

/* --sort symbol */
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static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
{
	return (int64_t)(right_ip - left_ip);
}

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static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
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{
	if (!sym_l || !sym_r)
		return cmp_null(sym_l, sym_r);

	if (sym_l == sym_r)
		return 0;

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	if (sym_l->start != sym_r->start)
		return (int64_t)(sym_r->start - sym_l->start);
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	return (int64_t)(sym_r->end - sym_l->end);
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}

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static int64_t
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
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{
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	int64_t ret;

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	if (!left->ms.sym && !right->ms.sym)
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		return _sort__addr_cmp(left->ip, right->ip);
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	/*
	 * comparing symbol address alone is not enough since it's a
	 * relative address within a dso.
	 */
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	if (!sort__has_dso) {
		ret = sort__dso_cmp(left, right);
		if (ret != 0)
			return ret;
	}
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	return _sort__sym_cmp(left->ms.sym, right->ms.sym);
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}

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static int64_t
sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
{
	if (!left->ms.sym || !right->ms.sym)
		return cmp_null(left->ms.sym, right->ms.sym);

	return strcmp(right->ms.sym->name, left->ms.sym->name);
}

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static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
				     u64 ip, char level, char *bf, size_t size,
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				     unsigned int width)
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{
	size_t ret = 0;

	if (verbose) {
		char o = map ? dso__symtab_origin(map->dso) : '!';
		ret += repsep_snprintf(bf, size, "%-#*llx %c ",
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				       BITS_PER_LONG / 4 + 2, ip, o);
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	}
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	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
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	if (sym && map) {
		if (map->type == MAP__VARIABLE) {
			ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
			ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
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					ip - map->unmap_ip(map, sym->start));
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		} else {
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			ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
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					       width - ret,
					       sym->name);
		}
	} else {
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		size_t len = BITS_PER_LONG / 4;
		ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
				       len, ip);
	}

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	return ret;
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}

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static int hist_entry__sym_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
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{
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	return _hist_entry__sym_snprintf(he->ms.map, he->ms.sym, he->ip,
					 he->level, bf, size, width);
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}
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struct sort_entry sort_sym = {
	.se_header	= "Symbol",
	.se_cmp		= sort__sym_cmp,
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	.se_sort	= sort__sym_sort,
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	.se_snprintf	= hist_entry__sym_snprintf,
	.se_width_idx	= HISTC_SYMBOL,
};
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/* --sort srcline */

static int64_t
sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->srcline) {
		if (!left->ms.map)
			left->srcline = SRCLINE_UNKNOWN;
		else {
			struct map *map = left->ms.map;
			left->srcline = get_srcline(map->dso,
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					   map__rip_2objdump(map, left->ip),
						    left->ms.sym, true);
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		}
	}
	if (!right->srcline) {
		if (!right->ms.map)
			right->srcline = SRCLINE_UNKNOWN;
		else {
			struct map *map = right->ms.map;
			right->srcline = get_srcline(map->dso,
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					     map__rip_2objdump(map, right->ip),
						     right->ms.sym, true);
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		}
	}
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	return strcmp(right->srcline, left->srcline);
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}

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static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
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					size_t size, unsigned int width)
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{
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	return repsep_snprintf(bf, size, "%-*.*s", width, width, he->srcline);
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}

struct sort_entry sort_srcline = {
	.se_header	= "Source:Line",
	.se_cmp		= sort__srcline_cmp,
	.se_snprintf	= hist_entry__srcline_snprintf,
	.se_width_idx	= HISTC_SRCLINE,
};

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/* --sort srcfile */

static char no_srcfile[1];

static char *get_srcfile(struct hist_entry *e)
{
	char *sf, *p;
	struct map *map = e->ms.map;

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	sf = __get_srcline(map->dso, map__rip_2objdump(map, e->ip),
			 e->ms.sym, false, true);
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	if (!strcmp(sf, SRCLINE_UNKNOWN))
		return no_srcfile;
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	p = strchr(sf, ':');
	if (p && *sf) {
		*p = 0;
		return sf;
	}
	free(sf);
	return no_srcfile;
}

static int64_t
sort__srcfile_cmp(struct hist_entry *left, struct hist_entry *right)
{
	if (!left->srcfile) {
		if (!left->ms.map)
			left->srcfile = no_srcfile;
		else
			left->srcfile = get_srcfile(left);
	}
	if (!right->srcfile) {
		if (!right->ms.map)
			right->srcfile = no_srcfile;
		else
			right->srcfile = get_srcfile(right);
	}
	return strcmp(right->srcfile, left->srcfile);
}

static int hist_entry__srcfile_snprintf(struct hist_entry *he, char *bf,
					size_t size, unsigned int width)
{
	return repsep_snprintf(bf, size, "%-*.*s", width, width, he->srcfile);
}

struct sort_entry sort_srcfile = {
	.se_header	= "Source File",
	.se_cmp		= sort__srcfile_cmp,
	.se_snprintf	= hist_entry__srcfile_snprintf,
	.se_width_idx	= HISTC_SRCFILE,
};

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/* --sort parent */

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static int64_t
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sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct symbol *sym_l = left->parent;
	struct symbol *sym_r = right->parent;

	if (!sym_l || !sym_r)
		return cmp_null(sym_l, sym_r);

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	return strcmp(sym_r->name, sym_l->name);
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}

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static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
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				       size_t size, unsigned int width)
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{
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	return repsep_snprintf(bf, size, "%-*.*s", width, width,
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			      he->parent ? he->parent->name : "[other]");
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}

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struct sort_entry sort_parent = {
	.se_header	= "Parent symbol",
	.se_cmp		= sort__parent_cmp,
	.se_snprintf	= hist_entry__parent_snprintf,
	.se_width_idx	= HISTC_PARENT,
};

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/* --sort cpu */

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static int64_t
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sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return right->cpu - left->cpu;
}

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static int hist_entry__cpu_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
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{
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	return repsep_snprintf(bf, size, "%*.*d", width, width, he->cpu);
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}

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struct sort_entry sort_cpu = {
	.se_header      = "CPU",
	.se_cmp	        = sort__cpu_cmp,
	.se_snprintf    = hist_entry__cpu_snprintf,
	.se_width_idx	= HISTC_CPU,
};

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/* --sort socket */

static int64_t
sort__socket_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return right->socket - left->socket;
}

static int hist_entry__socket_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
{
	return repsep_snprintf(bf, size, "%*.*d", width, width-3, he->socket);
}

struct sort_entry sort_socket = {
	.se_header      = "Socket",
	.se_cmp	        = sort__socket_cmp,
	.se_snprintf    = hist_entry__socket_snprintf,
	.se_width_idx	= HISTC_SOCKET,
};

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Namhyung Kim 已提交
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/* --sort trace */

static char *get_trace_output(struct hist_entry *he)
{
	struct trace_seq seq;
	struct perf_evsel *evsel;
	struct pevent_record rec = {
		.data = he->raw_data,
		.size = he->raw_size,
	};

	evsel = hists_to_evsel(he->hists);

	trace_seq_init(&seq);
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	if (symbol_conf.raw_trace) {
		pevent_print_fields(&seq, he->raw_data, he->raw_size,
				    evsel->tp_format);
	} else {
		pevent_event_info(&seq, evsel->tp_format, &rec);
	}
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	return seq.buffer;
}

static int64_t
sort__trace_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct perf_evsel *evsel;

	evsel = hists_to_evsel(left->hists);
	if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
		return 0;

	if (left->trace_output == NULL)
		left->trace_output = get_trace_output(left);
	if (right->trace_output == NULL)
		right->trace_output = get_trace_output(right);

	hists__new_col_len(left->hists, HISTC_TRACE, strlen(left->trace_output));
	hists__new_col_len(right->hists, HISTC_TRACE, strlen(right->trace_output));

	return strcmp(right->trace_output, left->trace_output);
}

static int hist_entry__trace_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
{
	struct perf_evsel *evsel;

	evsel = hists_to_evsel(he->hists);
	if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
		return scnprintf(bf, size, "%-*.*s", width, width, "N/A");

	if (he->trace_output == NULL)
		he->trace_output = get_trace_output(he);
	return repsep_snprintf(bf, size, "%-*.*s", width, width, he->trace_output);
}

struct sort_entry sort_trace = {
	.se_header      = "Trace output",
	.se_cmp	        = sort__trace_cmp,
	.se_snprintf    = hist_entry__trace_snprintf,
	.se_width_idx	= HISTC_TRACE,
};

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/* sort keys for branch stacks */

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static int64_t
sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

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	return _sort__dso_cmp(left->branch_info->from.map,
			      right->branch_info->from.map);
}

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static int hist_entry__dso_from_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
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	if (he->branch_info)
		return _hist_entry__dso_snprintf(he->branch_info->from.map,
						 bf, size, width);
	else
		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
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}

static int64_t
sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

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	return _sort__dso_cmp(left->branch_info->to.map,
			      right->branch_info->to.map);
}

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static int hist_entry__dso_to_snprintf(struct hist_entry *he, char *bf,
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				       size_t size, unsigned int width)
{
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	if (he->branch_info)
		return _hist_entry__dso_snprintf(he->branch_info->to.map,
						 bf, size, width);
	else
		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
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}

static int64_t
sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct addr_map_symbol *from_l = &left->branch_info->from;
	struct addr_map_symbol *from_r = &right->branch_info->from;

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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

	from_l = &left->branch_info->from;
	from_r = &right->branch_info->from;

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	if (!from_l->sym && !from_r->sym)
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		return _sort__addr_cmp(from_l->addr, from_r->addr);
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	return _sort__sym_cmp(from_l->sym, from_r->sym);
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}

static int64_t
sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	struct addr_map_symbol *to_l, *to_r;

	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

	to_l = &left->branch_info->to;
	to_r = &right->branch_info->to;
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	if (!to_l->sym && !to_r->sym)
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		return _sort__addr_cmp(to_l->addr, to_r->addr);
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	return _sort__sym_cmp(to_l->sym, to_r->sym);
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}

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static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
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					 size_t size, unsigned int width)
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{
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	if (he->branch_info) {
		struct addr_map_symbol *from = &he->branch_info->from;
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		return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
						 he->level, bf, size, width);
	}

	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
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}

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static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
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				       size_t size, unsigned int width)
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{
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	if (he->branch_info) {
		struct addr_map_symbol *to = &he->branch_info->to;

		return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
						 he->level, bf, size, width);
	}
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	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
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}

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struct sort_entry sort_dso_from = {
	.se_header	= "Source Shared Object",
	.se_cmp		= sort__dso_from_cmp,
	.se_snprintf	= hist_entry__dso_from_snprintf,
	.se_width_idx	= HISTC_DSO_FROM,
};

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struct sort_entry sort_dso_to = {
	.se_header	= "Target Shared Object",
	.se_cmp		= sort__dso_to_cmp,
	.se_snprintf	= hist_entry__dso_to_snprintf,
	.se_width_idx	= HISTC_DSO_TO,
};

struct sort_entry sort_sym_from = {
	.se_header	= "Source Symbol",
	.se_cmp		= sort__sym_from_cmp,
	.se_snprintf	= hist_entry__sym_from_snprintf,
	.se_width_idx	= HISTC_SYMBOL_FROM,
};

struct sort_entry sort_sym_to = {
	.se_header	= "Target Symbol",
	.se_cmp		= sort__sym_to_cmp,
	.se_snprintf	= hist_entry__sym_to_snprintf,
	.se_width_idx	= HISTC_SYMBOL_TO,
};

static int64_t
sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
{
649
	unsigned char mp, p;
650

651 652 653 654 655
	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

	mp = left->branch_info->flags.mispred != right->branch_info->flags.mispred;
	p  = left->branch_info->flags.predicted != right->branch_info->flags.predicted;
656 657 658
	return mp || p;
}

659
static int hist_entry__mispredict_snprintf(struct hist_entry *he, char *bf,
660 661 662
				    size_t size, unsigned int width){
	static const char *out = "N/A";

663 664 665 666 667 668
	if (he->branch_info) {
		if (he->branch_info->flags.predicted)
			out = "N";
		else if (he->branch_info->flags.mispred)
			out = "Y";
	}
669

670
	return repsep_snprintf(bf, size, "%-*.*s", width, width, out);
671 672
}

673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695
static int64_t
sort__cycles_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return left->branch_info->flags.cycles -
		right->branch_info->flags.cycles;
}

static int hist_entry__cycles_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
{
	if (he->branch_info->flags.cycles == 0)
		return repsep_snprintf(bf, size, "%-*s", width, "-");
	return repsep_snprintf(bf, size, "%-*hd", width,
			       he->branch_info->flags.cycles);
}

struct sort_entry sort_cycles = {
	.se_header	= "Basic Block Cycles",
	.se_cmp		= sort__cycles_cmp,
	.se_snprintf	= hist_entry__cycles_snprintf,
	.se_width_idx	= HISTC_CYCLES,
};

696 697 698 699 700 701 702 703 704 705 706 707 708 709
/* --sort daddr_sym */
static int64_t
sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
{
	uint64_t l = 0, r = 0;

	if (left->mem_info)
		l = left->mem_info->daddr.addr;
	if (right->mem_info)
		r = right->mem_info->daddr.addr;

	return (int64_t)(r - l);
}

710
static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
711 712 713 714 715 716
				    size_t size, unsigned int width)
{
	uint64_t addr = 0;
	struct map *map = NULL;
	struct symbol *sym = NULL;

717 718 719 720
	if (he->mem_info) {
		addr = he->mem_info->daddr.addr;
		map = he->mem_info->daddr.map;
		sym = he->mem_info->daddr.sym;
721
	}
722
	return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
723 724 725
					 width);
}

726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754
static int64_t
sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
{
	uint64_t l = 0, r = 0;

	if (left->mem_info)
		l = left->mem_info->iaddr.addr;
	if (right->mem_info)
		r = right->mem_info->iaddr.addr;

	return (int64_t)(r - l);
}

static int hist_entry__iaddr_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
{
	uint64_t addr = 0;
	struct map *map = NULL;
	struct symbol *sym = NULL;

	if (he->mem_info) {
		addr = he->mem_info->iaddr.addr;
		map  = he->mem_info->iaddr.map;
		sym  = he->mem_info->iaddr.sym;
	}
	return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
					 width);
}

755 756 757 758 759 760 761 762 763 764 765 766 767 768
static int64_t
sort__dso_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct map *map_l = NULL;
	struct map *map_r = NULL;

	if (left->mem_info)
		map_l = left->mem_info->daddr.map;
	if (right->mem_info)
		map_r = right->mem_info->daddr.map;

	return _sort__dso_cmp(map_l, map_r);
}

769
static int hist_entry__dso_daddr_snprintf(struct hist_entry *he, char *bf,
770 771 772 773
				    size_t size, unsigned int width)
{
	struct map *map = NULL;

774 775
	if (he->mem_info)
		map = he->mem_info->daddr.map;
776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798

	return _hist_entry__dso_snprintf(map, bf, size, width);
}

static int64_t
sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
{
	union perf_mem_data_src data_src_l;
	union perf_mem_data_src data_src_r;

	if (left->mem_info)
		data_src_l = left->mem_info->data_src;
	else
		data_src_l.mem_lock = PERF_MEM_LOCK_NA;

	if (right->mem_info)
		data_src_r = right->mem_info->data_src;
	else
		data_src_r.mem_lock = PERF_MEM_LOCK_NA;

	return (int64_t)(data_src_r.mem_lock - data_src_l.mem_lock);
}

799
static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
800 801 802 803 804
				    size_t size, unsigned int width)
{
	const char *out;
	u64 mask = PERF_MEM_LOCK_NA;

805 806
	if (he->mem_info)
		mask = he->mem_info->data_src.mem_lock;
807 808 809 810 811 812 813 814

	if (mask & PERF_MEM_LOCK_NA)
		out = "N/A";
	else if (mask & PERF_MEM_LOCK_LOCKED)
		out = "Yes";
	else
		out = "No";

815
	return repsep_snprintf(bf, size, "%.*s", width, out);
816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847
}

static int64_t
sort__tlb_cmp(struct hist_entry *left, struct hist_entry *right)
{
	union perf_mem_data_src data_src_l;
	union perf_mem_data_src data_src_r;

	if (left->mem_info)
		data_src_l = left->mem_info->data_src;
	else
		data_src_l.mem_dtlb = PERF_MEM_TLB_NA;

	if (right->mem_info)
		data_src_r = right->mem_info->data_src;
	else
		data_src_r.mem_dtlb = PERF_MEM_TLB_NA;

	return (int64_t)(data_src_r.mem_dtlb - data_src_l.mem_dtlb);
}

static const char * const tlb_access[] = {
	"N/A",
	"HIT",
	"MISS",
	"L1",
	"L2",
	"Walker",
	"Fault",
};
#define NUM_TLB_ACCESS (sizeof(tlb_access)/sizeof(const char *))

848
static int hist_entry__tlb_snprintf(struct hist_entry *he, char *bf,
849 850 851 852 853 854 855 856 857 858
				    size_t size, unsigned int width)
{
	char out[64];
	size_t sz = sizeof(out) - 1; /* -1 for null termination */
	size_t l = 0, i;
	u64 m = PERF_MEM_TLB_NA;
	u64 hit, miss;

	out[0] = '\0';

859 860
	if (he->mem_info)
		m = he->mem_info->data_src.mem_dtlb;
861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924

	hit = m & PERF_MEM_TLB_HIT;
	miss = m & PERF_MEM_TLB_MISS;

	/* already taken care of */
	m &= ~(PERF_MEM_TLB_HIT|PERF_MEM_TLB_MISS);

	for (i = 0; m && i < NUM_TLB_ACCESS; i++, m >>= 1) {
		if (!(m & 0x1))
			continue;
		if (l) {
			strcat(out, " or ");
			l += 4;
		}
		strncat(out, tlb_access[i], sz - l);
		l += strlen(tlb_access[i]);
	}
	if (*out == '\0')
		strcpy(out, "N/A");
	if (hit)
		strncat(out, " hit", sz - l);
	if (miss)
		strncat(out, " miss", sz - l);

	return repsep_snprintf(bf, size, "%-*s", width, out);
}

static int64_t
sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
{
	union perf_mem_data_src data_src_l;
	union perf_mem_data_src data_src_r;

	if (left->mem_info)
		data_src_l = left->mem_info->data_src;
	else
		data_src_l.mem_lvl = PERF_MEM_LVL_NA;

	if (right->mem_info)
		data_src_r = right->mem_info->data_src;
	else
		data_src_r.mem_lvl = PERF_MEM_LVL_NA;

	return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
}

static const char * const mem_lvl[] = {
	"N/A",
	"HIT",
	"MISS",
	"L1",
	"LFB",
	"L2",
	"L3",
	"Local RAM",
	"Remote RAM (1 hop)",
	"Remote RAM (2 hops)",
	"Remote Cache (1 hop)",
	"Remote Cache (2 hops)",
	"I/O",
	"Uncached",
};
#define NUM_MEM_LVL (sizeof(mem_lvl)/sizeof(const char *))

925
static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
926 927 928 929 930 931 932 933
				    size_t size, unsigned int width)
{
	char out[64];
	size_t sz = sizeof(out) - 1; /* -1 for null termination */
	size_t i, l = 0;
	u64 m =  PERF_MEM_LVL_NA;
	u64 hit, miss;

934 935
	if (he->mem_info)
		m  = he->mem_info->data_src.mem_lvl;
936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992

	out[0] = '\0';

	hit = m & PERF_MEM_LVL_HIT;
	miss = m & PERF_MEM_LVL_MISS;

	/* already taken care of */
	m &= ~(PERF_MEM_LVL_HIT|PERF_MEM_LVL_MISS);

	for (i = 0; m && i < NUM_MEM_LVL; i++, m >>= 1) {
		if (!(m & 0x1))
			continue;
		if (l) {
			strcat(out, " or ");
			l += 4;
		}
		strncat(out, mem_lvl[i], sz - l);
		l += strlen(mem_lvl[i]);
	}
	if (*out == '\0')
		strcpy(out, "N/A");
	if (hit)
		strncat(out, " hit", sz - l);
	if (miss)
		strncat(out, " miss", sz - l);

	return repsep_snprintf(bf, size, "%-*s", width, out);
}

static int64_t
sort__snoop_cmp(struct hist_entry *left, struct hist_entry *right)
{
	union perf_mem_data_src data_src_l;
	union perf_mem_data_src data_src_r;

	if (left->mem_info)
		data_src_l = left->mem_info->data_src;
	else
		data_src_l.mem_snoop = PERF_MEM_SNOOP_NA;

	if (right->mem_info)
		data_src_r = right->mem_info->data_src;
	else
		data_src_r.mem_snoop = PERF_MEM_SNOOP_NA;

	return (int64_t)(data_src_r.mem_snoop - data_src_l.mem_snoop);
}

static const char * const snoop_access[] = {
	"N/A",
	"None",
	"Miss",
	"Hit",
	"HitM",
};
#define NUM_SNOOP_ACCESS (sizeof(snoop_access)/sizeof(const char *))

993
static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
994 995 996 997 998 999 1000 1001 1002
				    size_t size, unsigned int width)
{
	char out[64];
	size_t sz = sizeof(out) - 1; /* -1 for null termination */
	size_t i, l = 0;
	u64 m = PERF_MEM_SNOOP_NA;

	out[0] = '\0';

1003 1004
	if (he->mem_info)
		m = he->mem_info->data_src.mem_snoop;
1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022

	for (i = 0; m && i < NUM_SNOOP_ACCESS; i++, m >>= 1) {
		if (!(m & 0x1))
			continue;
		if (l) {
			strcat(out, " or ");
			l += 4;
		}
		strncat(out, snoop_access[i], sz - l);
		l += strlen(snoop_access[i]);
	}

	if (*out == '\0')
		strcpy(out, "N/A");

	return repsep_snprintf(bf, size, "%-*s", width, out);
}

D
Don Zickus 已提交
1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120
static inline  u64 cl_address(u64 address)
{
	/* return the cacheline of the address */
	return (address & ~(cacheline_size - 1));
}

static int64_t
sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
{
	u64 l, r;
	struct map *l_map, *r_map;

	if (!left->mem_info)  return -1;
	if (!right->mem_info) return 1;

	/* group event types together */
	if (left->cpumode > right->cpumode) return -1;
	if (left->cpumode < right->cpumode) return 1;

	l_map = left->mem_info->daddr.map;
	r_map = right->mem_info->daddr.map;

	/* if both are NULL, jump to sort on al_addr instead */
	if (!l_map && !r_map)
		goto addr;

	if (!l_map) return -1;
	if (!r_map) return 1;

	if (l_map->maj > r_map->maj) return -1;
	if (l_map->maj < r_map->maj) return 1;

	if (l_map->min > r_map->min) return -1;
	if (l_map->min < r_map->min) return 1;

	if (l_map->ino > r_map->ino) return -1;
	if (l_map->ino < r_map->ino) return 1;

	if (l_map->ino_generation > r_map->ino_generation) return -1;
	if (l_map->ino_generation < r_map->ino_generation) return 1;

	/*
	 * Addresses with no major/minor numbers are assumed to be
	 * anonymous in userspace.  Sort those on pid then address.
	 *
	 * The kernel and non-zero major/minor mapped areas are
	 * assumed to be unity mapped.  Sort those on address.
	 */

	if ((left->cpumode != PERF_RECORD_MISC_KERNEL) &&
	    (!(l_map->flags & MAP_SHARED)) &&
	    !l_map->maj && !l_map->min && !l_map->ino &&
	    !l_map->ino_generation) {
		/* userspace anonymous */

		if (left->thread->pid_ > right->thread->pid_) return -1;
		if (left->thread->pid_ < right->thread->pid_) return 1;
	}

addr:
	/* al_addr does all the right addr - start + offset calculations */
	l = cl_address(left->mem_info->daddr.al_addr);
	r = cl_address(right->mem_info->daddr.al_addr);

	if (l > r) return -1;
	if (l < r) return 1;

	return 0;
}

static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf,
					  size_t size, unsigned int width)
{

	uint64_t addr = 0;
	struct map *map = NULL;
	struct symbol *sym = NULL;
	char level = he->level;

	if (he->mem_info) {
		addr = cl_address(he->mem_info->daddr.al_addr);
		map = he->mem_info->daddr.map;
		sym = he->mem_info->daddr.sym;

		/* print [s] for shared data mmaps */
		if ((he->cpumode != PERF_RECORD_MISC_KERNEL) &&
		     map && (map->type == MAP__VARIABLE) &&
		    (map->flags & MAP_SHARED) &&
		    (map->maj || map->min || map->ino ||
		     map->ino_generation))
			level = 's';
		else if (!map)
			level = 'X';
	}
	return _hist_entry__sym_snprintf(map, sym, addr, level, bf, size,
					 width);
}

1121 1122 1123 1124 1125 1126 1127
struct sort_entry sort_mispredict = {
	.se_header	= "Branch Mispredicted",
	.se_cmp		= sort__mispredict_cmp,
	.se_snprintf	= hist_entry__mispredict_snprintf,
	.se_width_idx	= HISTC_MISPREDICT,
};

1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
static u64 he_weight(struct hist_entry *he)
{
	return he->stat.nr_events ? he->stat.weight / he->stat.nr_events : 0;
}

static int64_t
sort__local_weight_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return he_weight(left) - he_weight(right);
}

1139
static int hist_entry__local_weight_snprintf(struct hist_entry *he, char *bf,
1140 1141
				    size_t size, unsigned int width)
{
1142
	return repsep_snprintf(bf, size, "%-*llu", width, he_weight(he));
1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157
}

struct sort_entry sort_local_weight = {
	.se_header	= "Local Weight",
	.se_cmp		= sort__local_weight_cmp,
	.se_snprintf	= hist_entry__local_weight_snprintf,
	.se_width_idx	= HISTC_LOCAL_WEIGHT,
};

static int64_t
sort__global_weight_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return left->stat.weight - right->stat.weight;
}

1158
static int hist_entry__global_weight_snprintf(struct hist_entry *he, char *bf,
1159 1160
					      size_t size, unsigned int width)
{
1161
	return repsep_snprintf(bf, size, "%-*llu", width, he->stat.weight);
1162 1163 1164 1165 1166 1167 1168 1169 1170
}

struct sort_entry sort_global_weight = {
	.se_header	= "Weight",
	.se_cmp		= sort__global_weight_cmp,
	.se_snprintf	= hist_entry__global_weight_snprintf,
	.se_width_idx	= HISTC_GLOBAL_WEIGHT,
};

1171 1172 1173 1174 1175 1176 1177
struct sort_entry sort_mem_daddr_sym = {
	.se_header	= "Data Symbol",
	.se_cmp		= sort__daddr_cmp,
	.se_snprintf	= hist_entry__daddr_snprintf,
	.se_width_idx	= HISTC_MEM_DADDR_SYMBOL,
};

1178 1179 1180 1181 1182 1183 1184
struct sort_entry sort_mem_iaddr_sym = {
	.se_header	= "Code Symbol",
	.se_cmp		= sort__iaddr_cmp,
	.se_snprintf	= hist_entry__iaddr_snprintf,
	.se_width_idx	= HISTC_MEM_IADDR_SYMBOL,
};

1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219
struct sort_entry sort_mem_daddr_dso = {
	.se_header	= "Data Object",
	.se_cmp		= sort__dso_daddr_cmp,
	.se_snprintf	= hist_entry__dso_daddr_snprintf,
	.se_width_idx	= HISTC_MEM_DADDR_SYMBOL,
};

struct sort_entry sort_mem_locked = {
	.se_header	= "Locked",
	.se_cmp		= sort__locked_cmp,
	.se_snprintf	= hist_entry__locked_snprintf,
	.se_width_idx	= HISTC_MEM_LOCKED,
};

struct sort_entry sort_mem_tlb = {
	.se_header	= "TLB access",
	.se_cmp		= sort__tlb_cmp,
	.se_snprintf	= hist_entry__tlb_snprintf,
	.se_width_idx	= HISTC_MEM_TLB,
};

struct sort_entry sort_mem_lvl = {
	.se_header	= "Memory access",
	.se_cmp		= sort__lvl_cmp,
	.se_snprintf	= hist_entry__lvl_snprintf,
	.se_width_idx	= HISTC_MEM_LVL,
};

struct sort_entry sort_mem_snoop = {
	.se_header	= "Snoop",
	.se_cmp		= sort__snoop_cmp,
	.se_snprintf	= hist_entry__snoop_snprintf,
	.se_width_idx	= HISTC_MEM_SNOOP,
};

D
Don Zickus 已提交
1220 1221 1222 1223 1224 1225 1226
struct sort_entry sort_mem_dcacheline = {
	.se_header	= "Data Cacheline",
	.se_cmp		= sort__dcacheline_cmp,
	.se_snprintf	= hist_entry__dcacheline_snprintf,
	.se_width_idx	= HISTC_MEM_DCACHELINE,
};

1227 1228 1229
static int64_t
sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
{
1230 1231 1232
	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

1233 1234 1235 1236
	return left->branch_info->flags.abort !=
		right->branch_info->flags.abort;
}

1237
static int hist_entry__abort_snprintf(struct hist_entry *he, char *bf,
1238 1239
				    size_t size, unsigned int width)
{
1240 1241 1242 1243 1244 1245 1246 1247
	static const char *out = "N/A";

	if (he->branch_info) {
		if (he->branch_info->flags.abort)
			out = "A";
		else
			out = ".";
	}
1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261

	return repsep_snprintf(bf, size, "%-*s", width, out);
}

struct sort_entry sort_abort = {
	.se_header	= "Transaction abort",
	.se_cmp		= sort__abort_cmp,
	.se_snprintf	= hist_entry__abort_snprintf,
	.se_width_idx	= HISTC_ABORT,
};

static int64_t
sort__in_tx_cmp(struct hist_entry *left, struct hist_entry *right)
{
1262 1263 1264
	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

1265 1266 1267 1268
	return left->branch_info->flags.in_tx !=
		right->branch_info->flags.in_tx;
}

1269
static int hist_entry__in_tx_snprintf(struct hist_entry *he, char *bf,
1270 1271
				    size_t size, unsigned int width)
{
1272
	static const char *out = "N/A";
1273

1274 1275 1276 1277 1278 1279
	if (he->branch_info) {
		if (he->branch_info->flags.in_tx)
			out = "T";
		else
			out = ".";
	}
1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290

	return repsep_snprintf(bf, size, "%-*s", width, out);
}

struct sort_entry sort_in_tx = {
	.se_header	= "Branch in transaction",
	.se_cmp		= sort__in_tx_cmp,
	.se_snprintf	= hist_entry__in_tx_snprintf,
	.se_width_idx	= HISTC_IN_TX,
};

1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331
static int64_t
sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return left->transaction - right->transaction;
}

static inline char *add_str(char *p, const char *str)
{
	strcpy(p, str);
	return p + strlen(str);
}

static struct txbit {
	unsigned flag;
	const char *name;
	int skip_for_len;
} txbits[] = {
	{ PERF_TXN_ELISION,        "EL ",        0 },
	{ PERF_TXN_TRANSACTION,    "TX ",        1 },
	{ PERF_TXN_SYNC,           "SYNC ",      1 },
	{ PERF_TXN_ASYNC,          "ASYNC ",     0 },
	{ PERF_TXN_RETRY,          "RETRY ",     0 },
	{ PERF_TXN_CONFLICT,       "CON ",       0 },
	{ PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
	{ PERF_TXN_CAPACITY_READ,  "CAP-READ ",  0 },
	{ 0, NULL, 0 }
};

int hist_entry__transaction_len(void)
{
	int i;
	int len = 0;

	for (i = 0; txbits[i].name; i++) {
		if (!txbits[i].skip_for_len)
			len += strlen(txbits[i].name);
	}
	len += 4; /* :XX<space> */
	return len;
}

1332
static int hist_entry__transaction_snprintf(struct hist_entry *he, char *bf,
1333 1334
					    size_t size, unsigned int width)
{
1335
	u64 t = he->transaction;
1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362
	char buf[128];
	char *p = buf;
	int i;

	buf[0] = 0;
	for (i = 0; txbits[i].name; i++)
		if (txbits[i].flag & t)
			p = add_str(p, txbits[i].name);
	if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
		p = add_str(p, "NEITHER ");
	if (t & PERF_TXN_ABORT_MASK) {
		sprintf(p, ":%" PRIx64,
			(t & PERF_TXN_ABORT_MASK) >>
			PERF_TXN_ABORT_SHIFT);
		p += strlen(p);
	}

	return repsep_snprintf(bf, size, "%-*s", width, buf);
}

struct sort_entry sort_transaction = {
	.se_header	= "Transaction                ",
	.se_cmp		= sort__transaction_cmp,
	.se_snprintf	= hist_entry__transaction_snprintf,
	.se_width_idx	= HISTC_TRANSACTION,
};

1363 1364 1365 1366 1367 1368
struct sort_dimension {
	const char		*name;
	struct sort_entry	*entry;
	int			taken;
};

1369 1370
#define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }

1371
static struct sort_dimension common_sort_dimensions[] = {
1372 1373 1374 1375 1376 1377
	DIM(SORT_PID, "pid", sort_thread),
	DIM(SORT_COMM, "comm", sort_comm),
	DIM(SORT_DSO, "dso", sort_dso),
	DIM(SORT_SYM, "symbol", sort_sym),
	DIM(SORT_PARENT, "parent", sort_parent),
	DIM(SORT_CPU, "cpu", sort_cpu),
1378
	DIM(SORT_SOCKET, "socket", sort_socket),
1379
	DIM(SORT_SRCLINE, "srcline", sort_srcline),
1380
	DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
1381 1382
	DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
	DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
1383
	DIM(SORT_TRANSACTION, "transaction", sort_transaction),
N
Namhyung Kim 已提交
1384
	DIM(SORT_TRACE, "trace", sort_trace),
1385 1386
};

1387 1388 1389 1390 1391 1392 1393 1394 1395 1396
#undef DIM

#define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }

static struct sort_dimension bstack_sort_dimensions[] = {
	DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
	DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
	DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
	DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
	DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
1397 1398
	DIM(SORT_IN_TX, "in_tx", sort_in_tx),
	DIM(SORT_ABORT, "abort", sort_abort),
1399
	DIM(SORT_CYCLES, "cycles", sort_cycles),
1400 1401 1402 1403
};

#undef DIM

1404 1405 1406 1407
#define DIM(d, n, func) [d - __SORT_MEMORY_MODE] = { .name = n, .entry = &(func) }

static struct sort_dimension memory_sort_dimensions[] = {
	DIM(SORT_MEM_DADDR_SYMBOL, "symbol_daddr", sort_mem_daddr_sym),
1408
	DIM(SORT_MEM_IADDR_SYMBOL, "symbol_iaddr", sort_mem_iaddr_sym),
1409 1410 1411 1412 1413
	DIM(SORT_MEM_DADDR_DSO, "dso_daddr", sort_mem_daddr_dso),
	DIM(SORT_MEM_LOCKED, "locked", sort_mem_locked),
	DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb),
	DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
	DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
D
Don Zickus 已提交
1414
	DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
1415 1416 1417 1418
};

#undef DIM

1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432
struct hpp_dimension {
	const char		*name;
	struct perf_hpp_fmt	*fmt;
	int			taken;
};

#define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], }

static struct hpp_dimension hpp_sort_dimensions[] = {
	DIM(PERF_HPP__OVERHEAD, "overhead"),
	DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"),
	DIM(PERF_HPP__OVERHEAD_US, "overhead_us"),
	DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"),
	DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"),
1433
	DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"),
1434 1435 1436 1437 1438 1439
	DIM(PERF_HPP__SAMPLES, "sample"),
	DIM(PERF_HPP__PERIOD, "period"),
};

#undef DIM

1440 1441 1442 1443 1444
struct hpp_sort_entry {
	struct perf_hpp_fmt hpp;
	struct sort_entry *se;
};

1445
void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
1446 1447 1448 1449 1450 1451 1452
{
	struct hpp_sort_entry *hse;

	if (!perf_hpp__is_sort_entry(fmt))
		return;

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1453
	hists__new_col_len(hists, hse->se->se_width_idx, strlen(fmt->name));
1454 1455
}

1456 1457 1458 1459
static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
			      struct perf_evsel *evsel)
{
	struct hpp_sort_entry *hse;
1460
	size_t len = fmt->user_len;
1461 1462 1463

	hse = container_of(fmt, struct hpp_sort_entry, hpp);

1464
	if (!len)
1465
		len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx);
1466

1467
	return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
1468 1469 1470 1471 1472 1473 1474
}

static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
			     struct perf_hpp *hpp __maybe_unused,
			     struct perf_evsel *evsel)
{
	struct hpp_sort_entry *hse;
1475
	size_t len = fmt->user_len;
1476 1477 1478

	hse = container_of(fmt, struct hpp_sort_entry, hpp);

1479
	if (!len)
1480
		len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx);
1481 1482

	return len;
1483 1484 1485 1486 1487 1488
}

static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
			     struct hist_entry *he)
{
	struct hpp_sort_entry *hse;
1489
	size_t len = fmt->user_len;
1490 1491

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1492 1493 1494

	if (!len)
		len = hists__col_len(he->hists, hse->se->se_width_idx);
1495 1496 1497 1498

	return hse->se->se_snprintf(he, hpp->buf, hpp->size, len);
}

1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529
static int64_t __sort__hpp_cmp(struct perf_hpp_fmt *fmt,
			       struct hist_entry *a, struct hist_entry *b)
{
	struct hpp_sort_entry *hse;

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
	return hse->se->se_cmp(a, b);
}

static int64_t __sort__hpp_collapse(struct perf_hpp_fmt *fmt,
				    struct hist_entry *a, struct hist_entry *b)
{
	struct hpp_sort_entry *hse;
	int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
	collapse_fn = hse->se->se_collapse ?: hse->se->se_cmp;
	return collapse_fn(a, b);
}

static int64_t __sort__hpp_sort(struct perf_hpp_fmt *fmt,
				struct hist_entry *a, struct hist_entry *b)
{
	struct hpp_sort_entry *hse;
	int64_t (*sort_fn)(struct hist_entry *, struct hist_entry *);

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
	sort_fn = hse->se->se_sort ?: hse->se->se_cmp;
	return sort_fn(a, b);
}

1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548
bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
{
	return format->header == __sort__hpp_header;
}

static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
{
	struct hpp_sort_entry *hse_a;
	struct hpp_sort_entry *hse_b;

	if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b))
		return false;

	hse_a = container_of(a, struct hpp_sort_entry, hpp);
	hse_b = container_of(b, struct hpp_sort_entry, hpp);

	return hse_a->se == hse_b->se;
}

1549 1550 1551 1552 1553 1554 1555 1556
static void hse_free(struct perf_hpp_fmt *fmt)
{
	struct hpp_sort_entry *hse;

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
	free(hse);
}

1557 1558
static struct hpp_sort_entry *
__sort_dimension__alloc_hpp(struct sort_dimension *sd)
1559 1560 1561 1562 1563 1564
{
	struct hpp_sort_entry *hse;

	hse = malloc(sizeof(*hse));
	if (hse == NULL) {
		pr_err("Memory allocation failed\n");
1565
		return NULL;
1566 1567 1568
	}

	hse->se = sd->entry;
1569
	hse->hpp.name = sd->entry->se_header;
1570 1571 1572 1573 1574
	hse->hpp.header = __sort__hpp_header;
	hse->hpp.width = __sort__hpp_width;
	hse->hpp.entry = __sort__hpp_entry;
	hse->hpp.color = NULL;

1575 1576 1577
	hse->hpp.cmp = __sort__hpp_cmp;
	hse->hpp.collapse = __sort__hpp_collapse;
	hse->hpp.sort = __sort__hpp_sort;
1578
	hse->hpp.equal = __sort__hpp_equal;
1579
	hse->hpp.free = hse_free;
1580 1581 1582

	INIT_LIST_HEAD(&hse->hpp.list);
	INIT_LIST_HEAD(&hse->hpp.sort_list);
1583
	hse->hpp.elide = false;
1584
	hse->hpp.len = 0;
1585
	hse->hpp.user_len = 0;
1586

1587 1588 1589
	return hse;
}

1590 1591 1592 1593 1594
static void hpp_free(struct perf_hpp_fmt *fmt)
{
	free(fmt);
}

1595 1596 1597 1598 1599 1600 1601 1602
static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd)
{
	struct perf_hpp_fmt *fmt;

	fmt = memdup(hd->fmt, sizeof(*fmt));
	if (fmt) {
		INIT_LIST_HEAD(&fmt->list);
		INIT_LIST_HEAD(&fmt->sort_list);
1603
		fmt->free = hpp_free;
1604 1605 1606 1607 1608
	}

	return fmt;
}

1609 1610 1611 1612 1613 1614 1615
static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd)
{
	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd);

	if (hse == NULL)
		return -1;

1616 1617 1618 1619
	perf_hpp__register_sort_field(&hse->hpp);
	return 0;
}

1620 1621
static int __sort_dimension__add_hpp_output(struct perf_hpp_list *list,
					    struct sort_dimension *sd)
1622 1623 1624 1625 1626 1627
{
	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd);

	if (hse == NULL)
		return -1;

1628
	perf_hpp_list__column_register(list, &hse->hpp);
1629 1630 1631
	return 0;
}

1632 1633 1634 1635 1636
struct hpp_dynamic_entry {
	struct perf_hpp_fmt hpp;
	struct perf_evsel *evsel;
	struct format_field *field;
	unsigned dynamic_len;
1637
	bool raw_trace;
1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661
};

static int hde_width(struct hpp_dynamic_entry *hde)
{
	if (!hde->hpp.len) {
		int len = hde->dynamic_len;
		int namelen = strlen(hde->field->name);
		int fieldlen = hde->field->size;

		if (namelen > len)
			len = namelen;

		if (!(hde->field->flags & FIELD_IS_STRING)) {
			/* length for print hex numbers */
			fieldlen = hde->field->size * 2 + 2;
		}
		if (fieldlen > len)
			len = fieldlen;

		hde->hpp.len = len;
	}
	return hde->hpp.len;
}

1662 1663 1664 1665 1666 1667 1668 1669
static void update_dynamic_len(struct hpp_dynamic_entry *hde,
			       struct hist_entry *he)
{
	char *str, *pos;
	struct format_field *field = hde->field;
	size_t namelen;
	bool last = false;

1670 1671 1672
	if (hde->raw_trace)
		return;

1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704
	/* parse pretty print result and update max length */
	if (!he->trace_output)
		he->trace_output = get_trace_output(he);

	namelen = strlen(field->name);
	str = he->trace_output;

	while (str) {
		pos = strchr(str, ' ');
		if (pos == NULL) {
			last = true;
			pos = str + strlen(str);
		}

		if (!strncmp(str, field->name, namelen)) {
			size_t len;

			str += namelen + 1;
			len = pos - str;

			if (len > hde->dynamic_len)
				hde->dynamic_len = len;
			break;
		}

		if (last)
			str = NULL;
		else
			str = pos + 1;
	}
}

1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733
static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
			      struct perf_evsel *evsel __maybe_unused)
{
	struct hpp_dynamic_entry *hde;
	size_t len = fmt->user_len;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	if (!len)
		len = hde_width(hde);

	return scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, hde->field->name);
}

static int __sort__hde_width(struct perf_hpp_fmt *fmt,
			     struct perf_hpp *hpp __maybe_unused,
			     struct perf_evsel *evsel __maybe_unused)
{
	struct hpp_dynamic_entry *hde;
	size_t len = fmt->user_len;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	if (!len)
		len = hde_width(hde);

	return len;
}

1734 1735 1736 1737 1738 1739 1740 1741 1742
bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists)
{
	struct hpp_dynamic_entry *hde;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	return hists_to_evsel(hists) == hde->evsel;
}

1743 1744 1745 1746 1747
static int __sort__hde_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
			     struct hist_entry *he)
{
	struct hpp_dynamic_entry *hde;
	size_t len = fmt->user_len;
1748 1749 1750 1751
	char *str, *pos;
	struct format_field *field;
	size_t namelen;
	bool last = false;
1752 1753 1754 1755 1756 1757 1758
	int ret;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	if (!len)
		len = hde_width(hde);

1759 1760
	if (hde->raw_trace)
		goto raw_field;
1761

1762
	field = hde->field;
1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790
	namelen = strlen(field->name);
	str = he->trace_output;

	while (str) {
		pos = strchr(str, ' ');
		if (pos == NULL) {
			last = true;
			pos = str + strlen(str);
		}

		if (!strncmp(str, field->name, namelen)) {
			str += namelen + 1;
			str = strndup(str, pos - str);

			if (str == NULL)
				return scnprintf(hpp->buf, hpp->size,
						 "%*.*s", len, len, "ERROR");
			break;
		}

		if (last)
			str = NULL;
		else
			str = pos + 1;
	}

	if (str == NULL) {
		struct trace_seq seq;
1791
raw_field:
1792 1793 1794 1795 1796 1797 1798
		trace_seq_init(&seq);
		pevent_print_field(&seq, he->raw_data, hde->field);
		str = seq.buffer;
	}

	ret = scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, str);
	free(str);
1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824
	return ret;
}

static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
			       struct hist_entry *a, struct hist_entry *b)
{
	struct hpp_dynamic_entry *hde;
	struct format_field *field;
	unsigned offset, size;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	field = hde->field;
	if (field->flags & FIELD_IS_DYNAMIC) {
		unsigned long long dyn;

		pevent_read_number_field(field, a->raw_data, &dyn);
		offset = dyn & 0xffff;
		size = (dyn >> 16) & 0xffff;

		/* record max width for output */
		if (size > hde->dynamic_len)
			hde->dynamic_len = size;
	} else {
		offset = field->offset;
		size = field->size;
1825 1826 1827

		update_dynamic_len(hde, a);
		update_dynamic_len(hde, b);
1828 1829 1830 1831 1832
	}

	return memcmp(a->raw_data + offset, b->raw_data + offset, size);
}

1833 1834 1835 1836 1837
bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
{
	return fmt->cmp == __sort__hde_cmp;
}

1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851
static bool __sort__hde_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
{
	struct hpp_dynamic_entry *hde_a;
	struct hpp_dynamic_entry *hde_b;

	if (!perf_hpp__is_dynamic_entry(a) || !perf_hpp__is_dynamic_entry(b))
		return false;

	hde_a = container_of(a, struct hpp_dynamic_entry, hpp);
	hde_b = container_of(b, struct hpp_dynamic_entry, hpp);

	return hde_a->field == hde_b->field;
}

1852 1853 1854 1855 1856 1857 1858 1859
static void hde_free(struct perf_hpp_fmt *fmt)
{
	struct hpp_dynamic_entry *hde;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
	free(hde);
}

1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
static struct hpp_dynamic_entry *
__alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field)
{
	struct hpp_dynamic_entry *hde;

	hde = malloc(sizeof(*hde));
	if (hde == NULL) {
		pr_debug("Memory allocation failed\n");
		return NULL;
	}

	hde->evsel = evsel;
	hde->field = field;
	hde->dynamic_len = 0;

	hde->hpp.name = field->name;
	hde->hpp.header = __sort__hde_header;
	hde->hpp.width  = __sort__hde_width;
	hde->hpp.entry  = __sort__hde_entry;
	hde->hpp.color  = NULL;

	hde->hpp.cmp = __sort__hde_cmp;
	hde->hpp.collapse = __sort__hde_cmp;
	hde->hpp.sort = __sort__hde_cmp;
1884
	hde->hpp.equal = __sort__hde_equal;
1885
	hde->hpp.free = hde_free;
1886 1887 1888 1889 1890 1891 1892 1893 1894 1895

	INIT_LIST_HEAD(&hde->hpp.list);
	INIT_LIST_HEAD(&hde->hpp.sort_list);
	hde->hpp.elide = false;
	hde->hpp.len = 0;
	hde->hpp.user_len = 0;

	return hde;
}

1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921
static int parse_field_name(char *str, char **event, char **field, char **opt)
{
	char *event_name, *field_name, *opt_name;

	event_name = str;
	field_name = strchr(str, '.');

	if (field_name) {
		*field_name++ = '\0';
	} else {
		event_name = NULL;
		field_name = str;
	}

	opt_name = strchr(field_name, '/');
	if (opt_name)
		*opt_name++ = '\0';

	*event = event_name;
	*field = field_name;
	*opt   = opt_name;

	return 0;
}

/* find match evsel using a given event name.  The event name can be:
1922 1923 1924
 *   1. '%' + event index (e.g. '%1' for first event)
 *   2. full event name (e.g. sched:sched_switch)
 *   3. partial event name (should not contain ':')
1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947
 */
static struct perf_evsel *find_evsel(struct perf_evlist *evlist, char *event_name)
{
	struct perf_evsel *evsel = NULL;
	struct perf_evsel *pos;
	bool full_name;

	/* case 1 */
	if (event_name[0] == '%') {
		int nr = strtol(event_name+1, NULL, 0);

		if (nr > evlist->nr_entries)
			return NULL;

		evsel = perf_evlist__first(evlist);
		while (--nr > 0)
			evsel = perf_evsel__next(evsel);

		return evsel;
	}

	full_name = !!strchr(event_name, ':');
	evlist__for_each(evlist, pos) {
1948
		/* case 2 */
1949 1950
		if (full_name && !strcmp(pos->name, event_name))
			return pos;
1951
		/* case 3 */
1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964
		if (!full_name && strstr(pos->name, event_name)) {
			if (evsel) {
				pr_debug("'%s' event is ambiguous: it can be %s or %s\n",
					 event_name, evsel->name, pos->name);
				return NULL;
			}
			evsel = pos;
		}
	}

	return evsel;
}

1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980
static int __dynamic_dimension__add(struct perf_evsel *evsel,
				    struct format_field *field,
				    bool raw_trace)
{
	struct hpp_dynamic_entry *hde;

	hde = __alloc_dynamic_entry(evsel, field);
	if (hde == NULL)
		return -ENOMEM;

	hde->raw_trace = raw_trace;

	perf_hpp__register_sort_field(&hde->hpp);
	return 0;
}

1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
static int add_evsel_fields(struct perf_evsel *evsel, bool raw_trace)
{
	int ret;
	struct format_field *field;

	field = evsel->tp_format->format.fields;
	while (field) {
		ret = __dynamic_dimension__add(evsel, field, raw_trace);
		if (ret < 0)
			return ret;

		field = field->next;
	}
	return 0;
}

static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace)
{
	int ret;
	struct perf_evsel *evsel;

	evlist__for_each(evlist, evsel) {
		if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
			continue;

		ret = add_evsel_fields(evsel, raw_trace);
		if (ret < 0)
			return ret;
	}
	return 0;
}

2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034
static int add_all_matching_fields(struct perf_evlist *evlist,
				   char *field_name, bool raw_trace)
{
	int ret = -ESRCH;
	struct perf_evsel *evsel;
	struct format_field *field;

	evlist__for_each(evlist, evsel) {
		if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
			continue;

		field = pevent_find_any_field(evsel->tp_format, field_name);
		if (field == NULL)
			continue;

		ret = __dynamic_dimension__add(evsel, field, raw_trace);
		if (ret < 0)
			break;
	}
	return ret;
}

2035 2036
static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok)
{
2037 2038
	char *str, *event_name, *field_name, *opt_name;
	struct perf_evsel *evsel;
2039
	struct format_field *field;
2040
	bool raw_trace = symbol_conf.raw_trace;
2041 2042 2043 2044 2045 2046 2047 2048 2049
	int ret = 0;

	if (evlist == NULL)
		return -ENOENT;

	str = strdup(tok);
	if (str == NULL)
		return -ENOMEM;

2050
	if (parse_field_name(str, &event_name, &field_name, &opt_name) < 0) {
2051 2052 2053 2054
		ret = -EINVAL;
		goto out;
	}

2055 2056 2057
	if (opt_name) {
		if (strcmp(opt_name, "raw")) {
			pr_debug("unsupported field option %s\n", opt_name);
2058 2059 2060 2061 2062 2063
			ret = -EINVAL;
			goto out;
		}
		raw_trace = true;
	}

2064 2065 2066 2067 2068
	if (!strcmp(field_name, "trace_fields")) {
		ret = add_all_dynamic_fields(evlist, raw_trace);
		goto out;
	}

2069 2070 2071 2072 2073
	if (event_name == NULL) {
		ret = add_all_matching_fields(evlist, field_name, raw_trace);
		goto out;
	}

2074
	evsel = find_evsel(evlist, event_name);
2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086
	if (evsel == NULL) {
		pr_debug("Cannot find event: %s\n", event_name);
		ret = -ENOENT;
		goto out;
	}

	if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
		pr_debug("%s is not a tracepoint event\n", event_name);
		ret = -EINVAL;
		goto out;
	}

2087
	if (!strcmp(field_name, "*")) {
2088
		ret = add_evsel_fields(evsel, raw_trace);
2089 2090 2091 2092 2093 2094 2095 2096 2097 2098
	} else {
		field = pevent_find_any_field(evsel->tp_format, field_name);
		if (field == NULL) {
			pr_debug("Cannot find event field for %s.%s\n",
				 event_name, field_name);
			return -ENOENT;
		}

		ret = __dynamic_dimension__add(evsel, field, raw_trace);
	}
2099 2100 2101 2102 2103 2104

out:
	free(str);
	return ret;
}

2105
static int __sort_dimension__add(struct sort_dimension *sd)
2106 2107
{
	if (sd->taken)
2108 2109
		return 0;

2110
	if (__sort_dimension__add_hpp_sort(sd) < 0)
2111
		return -1;
2112 2113 2114 2115 2116

	if (sd->entry->se_collapse)
		sort__need_collapse = 1;

	sd->taken = 1;
2117 2118

	return 0;
2119 2120
}

2121 2122
static int __hpp_dimension__add(struct hpp_dimension *hd)
{
2123
	struct perf_hpp_fmt *fmt;
2124

2125 2126 2127 2128 2129 2130 2131 2132 2133
	if (hd->taken)
		return 0;

	fmt = __hpp_dimension__alloc_hpp(hd);
	if (!fmt)
		return -1;

	hd->taken = 1;
	perf_hpp__register_sort_field(fmt);
2134 2135 2136
	return 0;
}

2137 2138
static int __sort_dimension__add_output(struct perf_hpp_list *list,
					struct sort_dimension *sd)
2139 2140 2141 2142
{
	if (sd->taken)
		return 0;

2143
	if (__sort_dimension__add_hpp_output(list, sd) < 0)
2144 2145 2146 2147 2148 2149
		return -1;

	sd->taken = 1;
	return 0;
}

2150 2151
static int __hpp_dimension__add_output(struct perf_hpp_list *list,
				       struct hpp_dimension *hd)
2152
{
2153
	struct perf_hpp_fmt *fmt;
2154

2155 2156 2157 2158 2159 2160 2161 2162
	if (hd->taken)
		return 0;

	fmt = __hpp_dimension__alloc_hpp(hd);
	if (!fmt)
		return -1;

	hd->taken = 1;
2163
	perf_hpp_list__column_register(list, fmt);
2164 2165 2166
	return 0;
}

2167 2168 2169
int hpp_dimension__add_output(unsigned col)
{
	BUG_ON(col >= PERF_HPP__MAX_INDEX);
2170
	return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
2171 2172
}

2173 2174
static int sort_dimension__add(const char *tok,
			       struct perf_evlist *evlist __maybe_unused)
2175 2176 2177
{
	unsigned int i;

2178 2179
	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
		struct sort_dimension *sd = &common_sort_dimensions[i];
2180 2181 2182

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;
2183

2184 2185 2186 2187 2188 2189
		if (sd->entry == &sort_parent) {
			int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
			if (ret) {
				char err[BUFSIZ];

				regerror(ret, &parent_regex, err, sizeof(err));
2190 2191
				pr_err("Invalid regex: %s\n%s", parent_pattern, err);
				return -EINVAL;
2192 2193
			}
			sort__has_parent = 1;
2194
		} else if (sd->entry == &sort_sym) {
N
Namhyung Kim 已提交
2195
			sort__has_sym = 1;
2196 2197 2198 2199 2200 2201 2202 2203 2204
			/*
			 * perf diff displays the performance difference amongst
			 * two or more perf.data files. Those files could come
			 * from different binaries. So we should not compare
			 * their ips, but the name of symbol.
			 */
			if (sort__mode == SORT_MODE__DIFF)
				sd->entry->se_collapse = sort__sym_sort;

N
Namhyung Kim 已提交
2205 2206
		} else if (sd->entry == &sort_dso) {
			sort__has_dso = 1;
2207 2208
		} else if (sd->entry == &sort_socket) {
			sort__has_socket = 1;
2209 2210
		} else if (sd->entry == &sort_thread) {
			sort__has_thread = 1;
2211 2212
		}

2213
		return __sort_dimension__add(sd);
2214
	}
2215

2216 2217 2218 2219 2220 2221 2222 2223 2224
	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
		struct hpp_dimension *hd = &hpp_sort_dimensions[i];

		if (strncasecmp(tok, hd->name, strlen(tok)))
			continue;

		return __hpp_dimension__add(hd);
	}

2225 2226 2227 2228 2229 2230
	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
		struct sort_dimension *sd = &bstack_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

2231
		if (sort__mode != SORT_MODE__BRANCH)
2232 2233 2234 2235 2236
			return -EINVAL;

		if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
			sort__has_sym = 1;

2237
		__sort_dimension__add(sd);
2238 2239 2240
		return 0;
	}

2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252
	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
		struct sort_dimension *sd = &memory_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

		if (sort__mode != SORT_MODE__MEMORY)
			return -EINVAL;

		if (sd->entry == &sort_mem_daddr_sym)
			sort__has_sym = 1;

2253
		__sort_dimension__add(sd);
2254 2255 2256
		return 0;
	}

2257 2258 2259
	if (!add_dynamic_entry(evlist, tok))
		return 0;

2260 2261
	return -ESRCH;
}
2262

2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282
static int setup_sort_list(char *str, struct perf_evlist *evlist)
{
	char *tmp, *tok;
	int ret = 0;

	for (tok = strtok_r(str, ", ", &tmp);
			tok; tok = strtok_r(NULL, ", ", &tmp)) {
		ret = sort_dimension__add(tok, evlist);
		if (ret == -EINVAL) {
			error("Invalid --sort key: `%s'", tok);
			break;
		} else if (ret == -ESRCH) {
			error("Unknown --sort key: `%s'", tok);
			break;
		}
	}

	return ret;
}

2283
static const char *get_default_sort_order(struct perf_evlist *evlist)
2284 2285 2286 2287 2288 2289 2290
{
	const char *default_sort_orders[] = {
		default_sort_order,
		default_branch_sort_order,
		default_mem_sort_order,
		default_top_sort_order,
		default_diff_sort_order,
2291
		default_tracepoint_sort_order,
2292
	};
2293 2294
	bool use_trace = true;
	struct perf_evsel *evsel;
2295 2296 2297

	BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));

2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313
	if (evlist == NULL)
		goto out_no_evlist;

	evlist__for_each(evlist, evsel) {
		if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
			use_trace = false;
			break;
		}
	}

	if (use_trace) {
		sort__mode = SORT_MODE__TRACEPOINT;
		if (symbol_conf.raw_trace)
			return "trace_fields";
	}
out_no_evlist:
2314 2315 2316
	return default_sort_orders[sort__mode];
}

2317
static int setup_sort_order(struct perf_evlist *evlist)
2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337
{
	char *new_sort_order;

	/*
	 * Append '+'-prefixed sort order to the default sort
	 * order string.
	 */
	if (!sort_order || is_strict_order(sort_order))
		return 0;

	if (sort_order[1] == '\0') {
		error("Invalid --sort key: `+'");
		return -EINVAL;
	}

	/*
	 * We allocate new sort_order string, but we never free it,
	 * because it's checked over the rest of the code.
	 */
	if (asprintf(&new_sort_order, "%s,%s",
2338
		     get_default_sort_order(evlist), sort_order + 1) < 0) {
2339 2340 2341 2342 2343 2344 2345 2346
		error("Not enough memory to set up --sort");
		return -ENOMEM;
	}

	sort_order = new_sort_order;
	return 0;
}

2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374
/*
 * Adds 'pre,' prefix into 'str' is 'pre' is
 * not already part of 'str'.
 */
static char *prefix_if_not_in(const char *pre, char *str)
{
	char *n;

	if (!str || strstr(str, pre))
		return str;

	if (asprintf(&n, "%s,%s", pre, str) < 0)
		return NULL;

	free(str);
	return n;
}

static char *setup_overhead(char *keys)
{
	keys = prefix_if_not_in("overhead", keys);

	if (symbol_conf.cumulate_callchain)
		keys = prefix_if_not_in("overhead_children", keys);

	return keys;
}

2375
static int __setup_sorting(struct perf_evlist *evlist)
2376
{
2377
	char *str;
2378
	const char *sort_keys;
2379
	int ret = 0;
2380

2381
	ret = setup_sort_order(evlist);
2382 2383 2384 2385
	if (ret)
		return ret;

	sort_keys = sort_order;
2386
	if (sort_keys == NULL) {
2387
		if (is_strict_order(field_order)) {
2388 2389 2390 2391 2392 2393 2394
			/*
			 * If user specified field order but no sort order,
			 * we'll honor it and not add default sort orders.
			 */
			return 0;
		}

2395
		sort_keys = get_default_sort_order(evlist);
2396
	}
2397 2398

	str = strdup(sort_keys);
2399 2400 2401 2402 2403
	if (str == NULL) {
		error("Not enough memory to setup sort keys");
		return -ENOMEM;
	}

2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414
	/*
	 * Prepend overhead fields for backward compatibility.
	 */
	if (!is_strict_order(field_order)) {
		str = setup_overhead(str);
		if (str == NULL) {
			error("Not enough memory to setup overhead keys");
			return -ENOMEM;
		}
	}

2415
	ret = setup_sort_list(str, evlist);
2416 2417

	free(str);
2418
	return ret;
2419
}
2420

2421
void perf_hpp__set_elide(int idx, bool elide)
2422
{
2423 2424
	struct perf_hpp_fmt *fmt;
	struct hpp_sort_entry *hse;
2425

2426
	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2427 2428 2429 2430 2431 2432 2433 2434
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

		hse = container_of(fmt, struct hpp_sort_entry, hpp);
		if (hse->se->se_width_idx == idx) {
			fmt->elide = elide;
			break;
		}
2435 2436 2437
	}
}

2438
static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp)
2439 2440 2441 2442 2443
{
	if (list && strlist__nr_entries(list) == 1) {
		if (fp != NULL)
			fprintf(fp, "# %s: %s\n", list_name,
				strlist__entry(list, 0)->s);
2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459
		return true;
	}
	return false;
}

static bool get_elide(int idx, FILE *output)
{
	switch (idx) {
	case HISTC_SYMBOL:
		return __get_elide(symbol_conf.sym_list, "symbol", output);
	case HISTC_DSO:
		return __get_elide(symbol_conf.dso_list, "dso", output);
	case HISTC_COMM:
		return __get_elide(symbol_conf.comm_list, "comm", output);
	default:
		break;
2460
	}
2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478

	if (sort__mode != SORT_MODE__BRANCH)
		return false;

	switch (idx) {
	case HISTC_SYMBOL_FROM:
		return __get_elide(symbol_conf.sym_from_list, "sym_from", output);
	case HISTC_SYMBOL_TO:
		return __get_elide(symbol_conf.sym_to_list, "sym_to", output);
	case HISTC_DSO_FROM:
		return __get_elide(symbol_conf.dso_from_list, "dso_from", output);
	case HISTC_DSO_TO:
		return __get_elide(symbol_conf.dso_to_list, "dso_to", output);
	default:
		break;
	}

	return false;
2479
}
2480 2481 2482

void sort__setup_elide(FILE *output)
{
2483 2484
	struct perf_hpp_fmt *fmt;
	struct hpp_sort_entry *hse;
2485

2486
	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2487 2488 2489 2490 2491
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

		hse = container_of(fmt, struct hpp_sort_entry, hpp);
		fmt->elide = get_elide(hse->se->se_width_idx, output);
2492 2493
	}

2494 2495 2496 2497
	/*
	 * It makes no sense to elide all of sort entries.
	 * Just revert them to show up again.
	 */
2498
	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2499 2500 2501
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

2502
		if (!fmt->elide)
2503 2504 2505
			return;
	}

2506
	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2507 2508 2509
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

2510
		fmt->elide = false;
2511
	}
2512
}
2513

2514
static int output_field_add(struct perf_hpp_list *list, char *tok)
2515 2516 2517 2518 2519 2520 2521 2522 2523
{
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
		struct sort_dimension *sd = &common_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

2524
		return __sort_dimension__add_output(list, sd);
2525 2526 2527 2528 2529 2530 2531 2532
	}

	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
		struct hpp_dimension *hd = &hpp_sort_dimensions[i];

		if (strncasecmp(tok, hd->name, strlen(tok)))
			continue;

2533
		return __hpp_dimension__add_output(list, hd);
2534 2535 2536 2537 2538 2539 2540 2541
	}

	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
		struct sort_dimension *sd = &bstack_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

2542
		return __sort_dimension__add_output(list, sd);
2543 2544 2545 2546 2547 2548 2549 2550
	}

	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
		struct sort_dimension *sd = &memory_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

2551
		return __sort_dimension__add_output(list, sd);
2552 2553 2554 2555 2556
	}

	return -ESRCH;
}

2557
static int setup_output_list(struct perf_hpp_list *list, char *str)
2558 2559 2560 2561 2562 2563
{
	char *tmp, *tok;
	int ret = 0;

	for (tok = strtok_r(str, ", ", &tmp);
			tok; tok = strtok_r(NULL, ", ", &tmp)) {
2564
		ret = output_field_add(list, tok);
2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576
		if (ret == -EINVAL) {
			error("Invalid --fields key: `%s'", tok);
			break;
		} else if (ret == -ESRCH) {
			error("Unknown --fields key: `%s'", tok);
			break;
		}
	}

	return ret;
}

2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593
static void reset_dimensions(void)
{
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++)
		common_sort_dimensions[i].taken = 0;

	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++)
		hpp_sort_dimensions[i].taken = 0;

	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++)
		bstack_sort_dimensions[i].taken = 0;

	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++)
		memory_sort_dimensions[i].taken = 0;
}

2594 2595 2596 2597 2598
bool is_strict_order(const char *order)
{
	return order && (*order != '+');
}

2599 2600
static int __setup_output_field(void)
{
2601
	char *str, *strp;
2602
	int ret = -EINVAL;
2603 2604 2605 2606

	if (field_order == NULL)
		return 0;

2607
	strp = str = strdup(field_order);
2608 2609 2610 2611 2612
	if (str == NULL) {
		error("Not enough memory to setup output fields");
		return -ENOMEM;
	}

2613 2614 2615 2616 2617 2618 2619 2620
	if (!is_strict_order(field_order))
		strp++;

	if (!strlen(strp)) {
		error("Invalid --fields key: `+'");
		goto out;
	}

2621
	ret = setup_output_list(&perf_hpp_list, strp);
2622

2623
out:
2624 2625 2626 2627
	free(str);
	return ret;
}

2628
int setup_sorting(struct perf_evlist *evlist)
2629 2630 2631
{
	int err;

2632
	err = __setup_sorting(evlist);
2633 2634 2635 2636
	if (err < 0)
		return err;

	if (parent_pattern != default_parent_pattern) {
2637
		err = sort_dimension__add("parent", evlist);
2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654
		if (err < 0)
			return err;
	}

	reset_dimensions();

	/*
	 * perf diff doesn't use default hpp output fields.
	 */
	if (sort__mode != SORT_MODE__DIFF)
		perf_hpp__init();

	err = __setup_output_field();
	if (err < 0)
		return err;

	/* copy sort keys to output fields */
2655
	perf_hpp__setup_output_field(&perf_hpp_list);
2656
	/* and then copy output fields to sort keys */
2657
	perf_hpp__append_sort_keys(&perf_hpp_list);
2658 2659 2660

	return 0;
}
2661 2662 2663 2664 2665 2666 2667 2668

void reset_output_field(void)
{
	sort__need_collapse = 0;
	sort__has_parent = 0;
	sort__has_sym = 0;
	sort__has_dso = 0;

2669 2670 2671
	field_order = NULL;
	sort_order = NULL;

2672
	reset_dimensions();
2673
	perf_hpp__reset_output_field(&perf_hpp_list);
2674
}