Add the -l option to perf record to enable sampling
access cost sampling.
Data address sampling is obtained via the -d option.
Signed-off-by: Stephane Eranian <eran...@google.com>
---
tools/perf/builtin-record.c | 2 ++
tools/perf/perf.h | 1 +
tools/perf/util/evsel.c | 6 ++++++
3 files changed, 9 insertions(+)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index f3151d3..341f9c1 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1059,6 +1059,8 @@ const struct option record_options[] = {
OPT_CALLBACK('j', "branch-filter", &record.opts.branch_stack,
"branch filter mask", "branch stack filter modes",
parse_branch_stack),
+ OPT_BOOLEAN('l', "cost", &record.opts.weight,
+ "event cost"),
OPT_END()
};
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 2c340e7..c976553 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -240,6 +240,7 @@ struct perf_record_opts {
bool sample_id_all_missing;
bool exclude_guest_missing;
bool period;
+ bool weight;
unsigned int freq;
unsigned int mmap_pages;
unsigned int user_freq;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 9f334dd..ad0c649 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -501,6 +501,12 @@ void perf_evsel__config(struct perf_evsel *evsel,
attr->sample_type |= PERF_SAMPLE_CPU;
}
+ if (opts->weight)
+ attr->sample_type |= PERF_SAMPLE_WEIGHT;
+
+ if (opts->sample_address)
+ attr->sample_type |= PERF_SAMPLE_DSRC;
+
if (opts->no_delay) {
attr->watermark = 0;
attr->wakeup_events = 1;
--
1.7.9.5
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