[tip:perfcounters/urgent] perf_counter: Add perf record option to log addresses
From: tip-bot for Anton Blanchard
Date: Sat Jul 18 2009 - 05:51:17 EST
Commit-ID: 4bba828dd9bb950ad1fe340ef148a5436a10f131
Gitweb: http://git.kernel.org/tip/4bba828dd9bb950ad1fe340ef148a5436a10f131
Author: Anton Blanchard <anton@xxxxxxxxx>
AuthorDate: Thu, 16 Jul 2009 15:44:29 +0200
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Sat, 18 Jul 2009 11:21:32 +0200
perf_counter: Add perf record option to log addresses
Add the -d or --data option to log event addresses (eg page
faults).
Signed-off-by: Anton Blanchard <anton@xxxxxxxxx>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
LKML-Reference: <20090716104817.697698033@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
tools/perf/builtin-record.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 072aaf0..68a9be0 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -43,6 +43,7 @@ static int call_graph = 0;
static int verbose = 0;
static int inherit_stat = 0;
static int no_samples = 0;
+static int sample_address = 0;
static long samples;
static struct timeval last_read;
@@ -405,6 +406,9 @@ static void create_counter(int counter, int cpu, pid_t pid)
if (inherit_stat)
attr->inherit_stat = 1;
+ if (sample_address)
+ attr->sample_type |= PERF_SAMPLE_ADDR;
+
if (call_graph)
attr->sample_type |= PERF_SAMPLE_CALLCHAIN;
@@ -649,6 +653,8 @@ static const struct option options[] = {
"be more verbose (show counter open errors, etc)"),
OPT_BOOLEAN('s', "stat", &inherit_stat,
"per thread counts"),
+ OPT_BOOLEAN('d', "data", &sample_address,
+ "Sample addresses"),
OPT_BOOLEAN('n', "no-samples", &no_samples,
"don't sample"),
OPT_END()
--
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