From: Leo Yan <leo.yan@linaro.org> To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>, Ian Rogers <irogers@google.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Namhyung Kim <namhyung@kernel.org>, John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>, Mathieu Poirier <mathieu.poirier@linaro.org>, Adrian Hunter <adrian.hunter@intel.com>, Andi Kleen <ak@linux.intel.com>, Kemeng Shi <shikemeng@huawei.com>, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, Al Grant <Al.Grant@arm.com>, James Clark <james.clark@arm.com>, Wei Li <liwei391@huawei.com>, Andre Przywara <andre.przywara@arm.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v4 5/9] perf mem: Only initialize memory event for recording Date: Fri, 6 Nov 2020 17:48:49 +0800 [thread overview] Message-ID: <20201106094853.21082-6-leo.yan@linaro.org> (raw) In-Reply-To: <20201106094853.21082-1-leo.yan@linaro.org> It's needless to initialize memory events for reporting, this patch moves memory event initialization for only recording. Furthermore, the change allows to parse perf data on cross platforms, e.g. perf tool can report result properly even the machine doesn't support the memory events. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Ian Rogers <irogers@google.com> --- tools/perf/builtin-mem.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 21ebe0f47e64..72ce4b8fbb0f 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -77,6 +77,11 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) OPT_END() }; + if (perf_mem_events__init()) { + pr_err("failed: memory events not supported\n"); + return -1; + } + argc = parse_options(argc, argv, options, record_mem_usage, PARSE_OPT_KEEP_UNKNOWN); @@ -441,11 +446,6 @@ int cmd_mem(int argc, const char **argv) NULL }; - if (perf_mem_events__init()) { - pr_err("failed: memory events not supported\n"); - return -1; - } - argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, mem_usage, PARSE_OPT_KEEP_UNKNOWN); -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Leo Yan <leo.yan@linaro.org> To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>, Ian Rogers <irogers@google.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Namhyung Kim <namhyung@kernel.org>, John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>, Mathieu Poirier <mathieu.poirier@linaro.org>, Adrian Hunter <adrian.hunter@intel.com>, Andi Kleen <ak@linux.intel.com>, Kemeng Shi <shikemeng@huawei.com>, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, Al Grant <Al.Grant@arm.com>, James Clark <james.clark@arm.com>, Wei Li <liwei391@huawei.com>, Andre Przywara <andre.przywara@arm.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v4 5/9] perf mem: Only initialize memory event for recording Date: Fri, 6 Nov 2020 17:48:49 +0800 [thread overview] Message-ID: <20201106094853.21082-6-leo.yan@linaro.org> (raw) In-Reply-To: <20201106094853.21082-1-leo.yan@linaro.org> It's needless to initialize memory events for reporting, this patch moves memory event initialization for only recording. Furthermore, the change allows to parse perf data on cross platforms, e.g. perf tool can report result properly even the machine doesn't support the memory events. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Ian Rogers <irogers@google.com> --- tools/perf/builtin-mem.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 21ebe0f47e64..72ce4b8fbb0f 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -77,6 +77,11 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) OPT_END() }; + if (perf_mem_events__init()) { + pr_err("failed: memory events not supported\n"); + return -1; + } + argc = parse_options(argc, argv, options, record_mem_usage, PARSE_OPT_KEEP_UNKNOWN); @@ -441,11 +446,6 @@ int cmd_mem(int argc, const char **argv) NULL }; - if (perf_mem_events__init()) { - pr_err("failed: memory events not supported\n"); - return -1; - } - argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, mem_usage, PARSE_OPT_KEEP_UNKNOWN); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-11-06 9:49 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-06 9:48 [PATCH v4 0/9] perf mem/c2c: Support AUX trace Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-06 9:48 ` [PATCH v4 1/9] perf mem: Search event name with more flexible path Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-06 9:48 ` [PATCH v4 2/9] perf mem: Introduce weak function perf_mem_events__ptr() Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-06 9:48 ` [PATCH v4 3/9] perf mem: Support new memory event PERF_MEM_EVENTS__LOAD_STORE Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-06 9:48 ` [PATCH v4 4/9] perf c2c: Support " Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-06 9:48 ` Leo Yan [this message] 2020-11-06 9:48 ` [PATCH v4 5/9] perf mem: Only initialize memory event for recording Leo Yan 2020-11-06 9:48 ` [PATCH v4 6/9] perf auxtrace: Add itrace option '-M' for memory events Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-06 9:48 ` [PATCH v4 7/9] perf mem: Support AUX trace Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-06 9:48 ` [PATCH v4 8/9] perf c2c: " Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-06 9:48 ` [PATCH v4 9/9] perf mem: Support Arm SPE events Leo Yan 2020-11-06 9:48 ` Leo Yan 2020-11-11 12:35 ` [PATCH v4 0/9] perf mem/c2c: Support AUX trace Jiri Olsa 2020-11-11 12:35 ` Jiri Olsa
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20201106094853.21082-6-leo.yan@linaro.org \ --to=leo.yan@linaro.org \ --cc=Al.Grant@arm.com \ --cc=acme@kernel.org \ --cc=adrian.hunter@intel.com \ --cc=ak@linux.intel.com \ --cc=alexander.shishkin@linux.intel.com \ --cc=andre.przywara@arm.com \ --cc=irogers@google.com \ --cc=james.clark@arm.com \ --cc=john.garry@huawei.com \ --cc=jolsa@redhat.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=liwei391@huawei.com \ --cc=mark.rutland@arm.com \ --cc=mathieu.poirier@linaro.org \ --cc=mingo@redhat.com \ --cc=namhyung@kernel.org \ --cc=peterz@infradead.org \ --cc=sergey.senozhatsky@gmail.com \ --cc=shikemeng@huawei.com \ --cc=will@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.