提交 9cb3500a 编写于 作者: J Jiri Olsa 提交者: Arnaldo Carvalho de Melo

perf c2c report: Add hitm/store percent related sort keys

They are to be displayed in the single cacheline output:

  percent_rmt_hitm, percent_lcl_hitm, percent_stores_l1hit, percent_stores_l1miss

They display percentage of HITMs/stores for specific offset in the
cacheline.
Signed-off-by: NJiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-t365aosxtdut8sgrgn8mfoe4@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
上级 f0c50c15
......@@ -646,6 +646,167 @@ percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
return per_left - per_right;
}
static struct c2c_stats *he_stats(struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
c2c_he = container_of(he, struct c2c_hist_entry, he);
return &c2c_he->stats;
}
static struct c2c_stats *total_stats(struct hist_entry *he)
{
struct c2c_hists *hists;
hists = container_of(he->hists, struct c2c_hists, hists);
return &hists->stats;
}
static double percent(int st, int tot)
{
return tot ? 100. * (double) st / (double) tot : 0;
}
#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
#define PERCENT_FN(__f) \
static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
{ \
struct c2c_hists *hists; \
\
hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
return percent(c2c_he->stats.__f, hists->stats.__f); \
}
PERCENT_FN(rmt_hitm)
PERCENT_FN(lcl_hitm)
PERCENT_FN(st_l1hit)
PERCENT_FN(st_l1miss)
static int
percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
double per = PERCENT(he, rmt_hitm);
char buf[10];
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_rmt_hitm);
}
static int64_t
percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
double per_left;
double per_right;
per_left = PERCENT(left, lcl_hitm);
per_right = PERCENT(right, lcl_hitm);
return per_left - per_right;
}
static int
percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
double per = PERCENT(he, lcl_hitm);
char buf[10];
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_lcl_hitm);
}
static int64_t
percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
double per_left;
double per_right;
per_left = PERCENT(left, lcl_hitm);
per_right = PERCENT(right, lcl_hitm);
return per_left - per_right;
}
static int
percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
double per = PERCENT(he, st_l1hit);
char buf[10];
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_st_l1hit);
}
static int64_t
percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
double per_left;
double per_right;
per_left = PERCENT(left, st_l1hit);
per_right = PERCENT(right, st_l1hit);
return per_left - per_right;
}
static int
percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
int width = c2c_width(fmt, hpp, he->hists);
double per = PERCENT(he, st_l1miss);
char buf[10];
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
return percent_color(fmt, hpp, he, percent_st_l1miss);
}
static int64_t
percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
double per_left;
double per_right;
per_left = PERCENT(left, st_l1miss);
per_right = PERCENT(right, st_l1miss);
return per_left - per_right;
}
#define HEADER_LOW(__h) \
{ \
.line[1] = { \
......@@ -858,6 +1019,42 @@ static struct c2c_dimension dim_percent_hitm = {
.width = 7,
};
static struct c2c_dimension dim_percent_rmt_hitm = {
.header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
.name = "percent_rmt_hitm",
.cmp = percent_rmt_hitm_cmp,
.entry = percent_rmt_hitm_entry,
.color = percent_rmt_hitm_color,
.width = 7,
};
static struct c2c_dimension dim_percent_lcl_hitm = {
.header = HEADER_SPAN_LOW("Lcl"),
.name = "percent_lcl_hitm",
.cmp = percent_lcl_hitm_cmp,
.entry = percent_lcl_hitm_entry,
.color = percent_lcl_hitm_color,
.width = 7,
};
static struct c2c_dimension dim_percent_stores_l1hit = {
.header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
.name = "percent_stores_l1hit",
.cmp = percent_stores_l1hit_cmp,
.entry = percent_stores_l1hit_entry,
.color = percent_stores_l1hit_color,
.width = 7,
};
static struct c2c_dimension dim_percent_stores_l1miss = {
.header = HEADER_SPAN_LOW("L1 Miss"),
.name = "percent_stores_l1miss",
.cmp = percent_stores_l1miss_cmp,
.entry = percent_stores_l1miss_entry,
.color = percent_stores_l1miss_color,
.width = 7,
};
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
&dim_offset,
......@@ -881,6 +1078,10 @@ static struct c2c_dimension *dimensions[] = {
&dim_tot_recs,
&dim_tot_loads,
&dim_percent_hitm,
&dim_percent_rmt_hitm,
&dim_percent_lcl_hitm,
&dim_percent_stores_l1hit,
&dim_percent_stores_l1miss,
NULL,
};
......@@ -968,6 +1169,7 @@ static struct c2c_fmt *get_format(const char *name)
fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
fmt->color = dim->se ? NULL : dim->color;
fmt->entry = dim->se ? c2c_se_entry : dim->entry;
fmt->header = c2c_header;
fmt->width = c2c_width;
......
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