[PATCH v4 6/9] perf auxtrace: Add itrace option '-M' for memory events
From: Leo Yan <hidden>
Date: 2020-11-06 09:49:55
Also in:
lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
This patch is to add itrace option '-M' to synthesize memory event. Signed-off-by: Leo Yan <redacted> --- tools/perf/Documentation/itrace.txt | 1 + tools/perf/util/auxtrace.c | 4 ++++ tools/perf/util/auxtrace.h | 2 ++ 3 files changed, 7 insertions(+)
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index d3740c8f399b..079cdfabb352 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt@@ -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)
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index 42a85c86421d..62e7f6c5f8b5 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->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;
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 951d2d14cf24..7e5c9e1552bd 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h@@ -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;
--
2.17.1
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