linux-kernel - [PATCH v4 6/9] perf auxtrace: Add itrace option '-M' for memory events

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20201106094853.21082-7-leo.yan@linaro.org>
Date:   Fri,  6 Nov 2020 17:48:50 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>, Ian Rogers <irogers@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Kemeng Shi <shikemeng@...wei.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Al Grant <Al.Grant@....com>, James Clark <james.clark@....com>,
        Wei Li <liwei391@...wei.com>,
        Andre Przywara <andre.przywara@....com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v4 6/9] perf auxtrace: Add itrace option '-M' for memory events

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

Signed-off-by: Leo Yan <leo.yan@...aro.org>
---
 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