diff options
| author |   Adrian Hunter <adrian.hunter@intel.com> | 2017-05-26 11:17:25 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-06-27 12:09:58 -0300 |
| commit | 70d110d775993ff1f63905bbdbc70e3f6bd8da8a (patch) | |
| tree | cc7ccfaaf9fbaaadc9db8bd23cda5e84b061257b /tools/perf | |
| parent | perf auxtrace: Add itrace option to output ptwrite events (diff) | |
| download | wireguard-linux-70d110d775993ff1f63905bbdbc70e3f6bd8da8a.tar.xz wireguard-linux-70d110d775993ff1f63905bbdbc70e3f6bd8da8a.zip | |
perf auxtrace: Add itrace option to output power events
Add itrace option to output power events.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-25-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/itrace.txt | 5 | ||||
| -rw-r--r-- | tools/perf/util/auxtrace.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/auxtrace.h | 2 |
3 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt index deafd16692b6..a3abe04c779d 100644 --- a/tools/perf/Documentation/itrace.txt +++ b/tools/perf/Documentation/itrace.txt @@ -4,13 +4,14 @@ r synthesize branches events (returns only) x synthesize transactions events w synthesize ptwrite events + p synthesize power events e synthesize error events d create a debug log g synthesize a call chain (use with i or x) l synthesize last branch entries (use with i or x) s skip initial number of events - The default is all events i.e. the same as --itrace=ibxwe + The default is all events i.e. the same as --itrace=ibxwpe In addition, the period (default 100000) for instructions events can be specified in units of: @@ -28,7 +29,7 @@ instructions or transactions events can be specified. It is also possible to skip events generated (instructions, branches, transactions, - ptwrite) at the beginning. This is useful to ignore initialization code. + ptwrite, power) at the beginning. This is useful to ignore initialization code. --itrace=i0nss1000000 diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index baad91ed1e05..651c01dfa5d3 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -948,6 +948,7 @@ void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts) synth_opts->branches = true; synth_opts->transactions = true; synth_opts->ptwrites = true; + synth_opts->pwr_events = true; synth_opts->errors = true; synth_opts->period_type = PERF_ITRACE_DEFAULT_PERIOD_TYPE; synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD; @@ -1034,6 +1035,9 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str, case 'w': synth_opts->ptwrites = true; break; + case 'p': + synth_opts->pwr_events = true; + break; case 'e': synth_opts->errors = true; break; diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index b48afb2f18f3..68e0aa40b24a 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -60,6 +60,7 @@ enum itrace_period_type { * @branches: whether to synthesize 'branches' events * @transactions: whether to synthesize events for transactions * @ptwrites: whether to synthesize events for ptwrites + * @pwr_events: whether to synthesize power events * @errors: whether to synthesize decoder error events * @dont_decode: whether to skip decoding entirely * @log: write a decoding log @@ -81,6 +82,7 @@ struct itrace_synth_opts { bool branches; bool transactions; bool ptwrites; + bool pwr_events; bool errors; bool dont_decode; bool log; |