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authorAdrian Hunter <adrian.hunter@intel.com>2022-01-24 10:41:48 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-02-15 17:10:30 -0300
commit8ee9a9ab8112905756fbc3c33da046fdee204ec9 (patch)
treeddd2bb316faf85d83a0f692db9e76af1c1b13f9c /tools
parent1d0dc1ddf037b2f5ef205a4343cfe1384b769d7c (diff)
perf auxtrace: Add itrace option "I"
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>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/Documentation/itrace.txt2
-rw-r--r--tools/perf/util/auxtrace.c4
-rw-r--r--tools/perf/util/auxtrace.h4
3 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index c52755481e2f..6b189669c450 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -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
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index 825336304a37..9e48652662d4 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -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,
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 19910b9011f3..dc38b6f57232 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -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" \