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authorLeo Yan <leo.yan@linaro.org>2020-11-04 12:42:28 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-11-12 23:55:41 +0300
commite24a87b54ef3e39261f1d859b7f78416349dfb14 (patch)
treeb379fb2a50aaa0e8e2e4564ef3fd07c8207a7eea /tools
parentaf5043c89a8ef6b6949a245fff355a552eaed240 (diff)
downloadlinux-e24a87b54ef3e39261f1d859b7f78416349dfb14.tar.xz
perf lock: Correct field name "flags"
The tracepoint "lock:lock_acquire" contains field "flags" but not "flag". Current code wrongly retrieves value from field "flag" and it always gets zero for the value, thus "perf lock" doesn't report the correct result. This patch replaces the field name "flag" with "flags", so can read out the correct flags for locking. Fixes: e4cef1f65061 ("perf lock: Fix state machine to recognize lock sequence") Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Link: https://lore.kernel.org/r/20201104094229.17509-1-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-lock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index f0a1dbacb46c..5cecc1ad78e1 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -406,7 +406,7 @@ static int report_lock_acquire_event(struct evsel *evsel,
struct lock_seq_stat *seq;
const char *name = evsel__strval(evsel, sample, "name");
u64 tmp = evsel__intval(evsel, sample, "lockdep_addr");
- int flag = evsel__intval(evsel, sample, "flag");
+ int flag = evsel__intval(evsel, sample, "flags");
memcpy(&addr, &tmp, sizeof(void *));