From: Stephane Eranian <eranian@google.com>
To: linux-kernel@vger.kernel.org
Cc: peterz@infradead.org, mingo@elte.hu, ak@linux.intel.com,
jolsa@redhat.com, acme@redhat.com, namhyung@kernel.org
Subject: [PATCH 4/4] perf record: add new -I option to sample interrupted machine state
Date: Wed, 9 Jul 2014 00:15:59 +0200 [thread overview]
Message-ID: <1404857759-25105-5-git-send-email-eranian@google.com> (raw)
In-Reply-To: <1404857759-25105-1-git-send-email-eranian@google.com>
Add -I option to capture machine state registers at interrupt.
Use perf report -D to display the sampled register values
in each sample.
Signed-off-by: Stephane Eranian <eranian@google.com>
---
tools/perf/builtin-record.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 378b85b..17c45f8 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -876,6 +876,8 @@ const struct option record_options[] = {
"sample transaction flags (special events only)"),
OPT_BOOLEAN(0, "per-thread", &record.opts.target.per_thread,
"use per-thread mmaps"),
+ OPT_BOOLEAN('I', "sample-intr-regs", &record.opts.sample_intr_regs,
+ "Sample machine register on interrupt"),
OPT_END()
};
--
1.8.3.2
next prev parent reply other threads:[~2014-07-08 22:17 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-08 22:15 [PATCH v1 0/4] perf: add ability " Stephane Eranian
2014-07-08 22:15 ` [PATCH 1/4] perf: add ability to sample machine state on interrupt Stephane Eranian
2014-07-09 15:03 ` Arnaldo Carvalho de Melo
2014-07-09 15:46 ` Andi Kleen
2014-07-11 7:58 ` Jiri Olsa
2014-07-11 8:11 ` Jiri Olsa
2014-07-11 8:14 ` Jiri Olsa
2014-07-08 22:15 ` [PATCH 2/4] perf/x86: add support for sampling PEBS machine state registers Stephane Eranian
2014-07-11 8:15 ` Jiri Olsa
2014-07-08 22:15 ` [PATCH 3/4] perf tools: add core support for sampling intr machine state regs Stephane Eranian
2014-07-09 15:44 ` Andi Kleen
2014-07-11 8:20 ` Jiri Olsa
2014-07-11 8:25 ` Jiri Olsa
2014-07-14 17:54 ` Stephane Eranian
2014-07-11 8:27 ` Jiri Olsa
2014-07-08 22:15 ` Stephane Eranian [this message]
2014-07-09 15:45 ` [PATCH 4/4] perf record: add new -I option to sample interrupted machine state Andi Kleen
2014-07-14 8:00 ` Namhyung Kim
2014-07-14 17:52 ` Stephane Eranian
2014-07-09 8:26 ` [PATCH v1 0/4] perf: add ability " Namhyung Kim
2014-07-09 14:53 ` Arnaldo Carvalho de Melo
2014-07-09 15:26 ` Stephane Eranian
2014-07-09 15:47 ` Andi Kleen
2014-07-09 17:14 ` Stephane Eranian
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