Commit 8ee9a9ab authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
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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: default avatarAdrian 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 1d0dc1dd

tools/perf/Documentation/itrace.txt

+2 −0
Original line number Diff line number Diff line
@@ -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

tools/perf/util/auxtrace.c

+4 −0
Original line number Diff line number Diff line
@@ -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,

tools/perf/util/auxtrace.h

+4 −0
Original line number Diff line number Diff line
@@ -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" \