Commit 014a771c authored by Leo Yan's avatar Leo Yan Committed by Arnaldo Carvalho de Melo
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perf auxtrace: Add itrace option '-M' for memory events 



This patch is to add itrace option '-M' to synthesize memory event.

Signed-off-by: default avatarLeo Yan <leo.yan@linaro.org>
Acked-by: default avatarJiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20201106094853.21082-7-leo.yan@linaro.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 436cce00

tools/perf/Documentation/itrace.txt

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
		d	create a debug log

		f	synthesize first level cache events

		m	synthesize last level cache events

		M	synthesize memory events

		t	synthesize TLB events

		a	synthesize remote access events

		g	synthesize a call chain (use with i or x)

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->flc = true;

	synth_opts->llc = true;

	synth_opts->tlb = true;

	synth_opts->mem = true;

	synth_opts->remote_access = true;



	if (no_sample) {
@@ -1554,6 +1555,9 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str, 
		case 'a':

			synth_opts->remote_access = true;

			break;

		case 'M':

			synth_opts->mem = true;

			break;

		case 'q':

			synth_opts->quick += 1;

			break;

tools/perf/util/auxtrace.h

+2 −0
Original line number Diff line number Diff line
@@ -88,6 +88,7 @@ enum itrace_period_type { 
 * @llc: whether to synthesize last level cache events

 * @tlb: whether to synthesize TLB events

 * @remote_access: whether to synthesize remote access events

 * @mem: whether to synthesize memory events

 * @callchain_sz: maximum callchain size

 * @last_branch_sz: branch context size

 * @period: 'instructions' events period
@@ -126,6 +127,7 @@ struct itrace_synth_opts { 
	bool			llc;

	bool			tlb;

	bool			remote_access;

	bool			mem;

	unsigned int		callchain_sz;

	unsigned int		last_branch_sz;

	unsigned long long	period;