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perf tools: Report itrace options in help

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I often forget all the options that --itrace accepts. Instead of burying
them in the man page only report them in the normal command line help
too to make them easier accessible.

v2: Align

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Link: http://lkml.kernel.org/r/20180914031038.4160-2-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen 2018-09-13 20:10:31 -07:00 committed by Arnaldo Carvalho de Melo
parent 3b9c25c0a0
commit c12e039d12
4 changed files with 23 additions and 3 deletions
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3
tools/perf/builtin-inject.c
View file

@ -798,7 +798,8 @@ int cmd_inject(int argc, const char **argv)
"kallsyms pathname"),
OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
OPT_CALLBACK_OPTARG(0, "itrace", &inject.itrace_synth_opts,
NULL, "opts", "Instruction Tracing options",
NULL, "opts", "Instruction Tracing options\n"
ITRACE_HELP,
itrace_parse_synth_opts),
OPT_BOOLEAN(0, "strip", &inject.strip,
"strip non-synthesized events (use with --itrace)"),

2
tools/perf/builtin-report.c
View file

@ -1104,7 +1104,7 @@ int cmd_report(int argc, const char **argv)
OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
"how to display percentage of filtered entries", parse_filter_percentage),
OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
"Instruction Tracing options",
"Instruction Tracing options\n" ITRACE_HELP,
itrace_parse_synth_opts),
OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
"Show full source file name path for source lines"),

2
tools/perf/builtin-script.c
View file

@ -3193,7 +3193,7 @@ int cmd_script(int argc, const char **argv)
OPT_BOOLEAN(0, "ns", &nanosecs,
"Use 9 decimal places when displaying time"),
OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
"Instruction Tracing options",
"Instruction Tracing options\n" ITRACE_HELP,
itrace_parse_synth_opts),
OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
"Show full source file name path for source lines"),

19
tools/perf/util/auxtrace.h
View file

@ -576,6 +576,23 @@ static inline void auxtrace__free(struct perf_session *session)
return session->auxtrace->free(session);
}
#define ITRACE_HELP \
" i: synthesize instructions events\n" \
" b: synthesize branches events\n" \
" c: synthesize branches events (calls only)\n" \
" r: synthesize branches events (returns only)\n" \
" x: synthesize transactions events\n" \
" w: synthesize ptwrite events\n" \
" p: synthesize power events\n" \
" e: synthesize error events\n" \
" d: create a debug log\n" \
" g[len]: synthesize a call chain (use with i or x)\n" \
" l[len]: synthesize last branch entries (use with i or x)\n" \
" sNUMBER: skip initial number of events\n" \
" PERIOD[ns|us|ms|i|t]: specify period to sample stream\n" \
" concatenate multiple options. Default is ibxwpe or cewp\n"
#else
static inline struct auxtrace_record *
@ -716,6 +733,8 @@ void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
struct perf_evlist *evlist, int idx,
bool per_cpu);
#define ITRACE_HELP ""
#endif
#endif