提交 f69b64f7 编写于 作者: A Andi Kleen 提交者: Arnaldo Carvalho de Melo

perf: Support setting the disassembler style

Add -M option to report/annotate to pass directly to objdump.  This
allows to use -M intel for intel style disassembler syntax, which is
useful for people who are very used to the Intel syntax.

Link: http://lkml.kernel.org/r/1316122302-24306-2-git-send-email-andi@firstfloor.org
[committer note: Add missing Documentation bits, fixup conflicts with 3e6a2a7f]
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: NAndi Kleen <ak@linux.intel.com>
Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
上级 33e49ea7
......@@ -83,6 +83,9 @@ OPTIONS
--symfs=<directory>::
Look for files with symbols relative to this directory.
-M::
--disassembler-style=:: Set disassembler style for objdump.
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1]
......@@ -134,6 +134,9 @@ OPTIONS
CPUs are specified with -: 0-2. Default is to report samples on all
CPUs.
-M::
--disassembler-style=:: Set disassembler style for objdump.
SEE ALSO
--------
linkperf:perf-stat[1]
......@@ -273,6 +273,8 @@ static const struct option options[] = {
"Interleave source code with assembly code (default)"),
OPT_BOOLEAN('0', "asm-raw", &symbol_conf.annotate_asm_raw,
"Display raw encoding of assembly instructions (default)"),
OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_END()
};
......
......@@ -487,6 +487,8 @@ static const struct option options[] = {
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_END()
};
......
......@@ -16,6 +16,8 @@
#include "annotate.h"
#include <pthread.h>
const char *disassembler_style;
int symbol__annotate_init(struct map *map __used, struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
......@@ -323,9 +325,11 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
dso, dso->long_name, sym, sym->name);
snprintf(command, sizeof(command),
"objdump --start-address=0x%016" PRIx64
"objdump %s%s --start-address=0x%016" PRIx64
" --stop-address=0x%016" PRIx64
" -d %s %s -C %s|grep -v %s|expand",
disassembler_style ? "-M " : "",
disassembler_style ? disassembler_style : "",
map__rip_2objdump(map, sym->start),
map__rip_2objdump(map, sym->end),
symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
......
......@@ -100,4 +100,6 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
int refresh);
#endif
extern const char *disassembler_style;
#endif /* __PERF_ANNOTATE_H */
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