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perf auxtrace: Add itrace option "I"

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Add itrace option "I" to synthesize interrupt or similar (asynchronous)
events. This will be used for Intel PT Event Trace events.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20220124084201.2699795-13-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2022-01-24 10:41:48 +02:00 • committed by Arnaldo Carvalho de Melo
parent 1d0dc1ddf0
commit 8ee9a9ab81
3 changed files with 10 additions and 0 deletions
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2
tools/perf/Documentation/itrace.txt
View file

@ -7,6 +7,8 @@
p synthesize power events (incl. PSB events for Intel PT)
o synthesize other events recorded due to the use
of aux-output (refer to perf record)
I synthesize interrupt or similar (asynchronous) events
(e.g. Intel PT Event Trace)
e synthesize error events
d create a debug log
f synthesize first level cache events

4
tools/perf/util/auxtrace.c
View file

@ -1333,6 +1333,7 @@ void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts,
synth_opts->ptwrites = true;
synth_opts->pwr_events = true;
synth_opts->other_events = true;
synth_opts->intr_events = true;
synth_opts->errors = true;
synth_opts->flc = true;
synth_opts->llc = true;
@ -1479,6 +1480,9 @@ int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts,
case 'o':
synth_opts->other_events = true;
break;
case 'I':
synth_opts->intr_events = true;
break;
case 'e':
synth_opts->errors = true;
if (get_flags(&p, &synth_opts->error_plus_flags,

4
tools/perf/util/auxtrace.h
View file

@ -76,6 +76,7 @@ enum itrace_period_type {
* @pwr_events: whether to synthesize power events
* @other_events: whether to synthesize other events recorded due to the use of
* aux_output
* @intr_events: whether to synthesize interrupt events
* @errors: whether to synthesize decoder error events
* @dont_decode: whether to skip decoding entirely
* @log: write a decoding log
@ -120,6 +121,7 @@ struct itrace_synth_opts {
bool ptwrites;
bool pwr_events;
bool other_events;
bool intr_events;
bool errors;
bool dont_decode;
bool log;
@ -636,6 +638,8 @@ bool auxtrace__evsel_is_auxtrace(struct perf_session *session,
" p: synthesize power events\n" \
" o: synthesize other events recorded due to the use\n" \
" of aux-output (refer to perf record)\n" \
" I: synthesize interrupt or similar (asynchronous) events\n" \
" (e.g. Intel PT Event Trace)\n" \
" e[flags]: synthesize error events\n" \
" each flag must be preceded by + or -\n" \
" error flags are: o (overflow)\n" \