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-rw-r--r--tools/perf/builtin-lock.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 2e93f99..7a2a79d2 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -202,9 +202,20 @@ static struct thread_stat *thread_stat_findnew_first(u32 tid)
SINGLE_KEY(nr_acquired)
SINGLE_KEY(nr_contended)
SINGLE_KEY(wait_time_total)
-SINGLE_KEY(wait_time_min)
SINGLE_KEY(wait_time_max)
+static int lock_stat_key_wait_time_min(struct lock_stat *one,
+ struct lock_stat *two)
+{
+ u64 s1 = one->wait_time_min;
+ u64 s2 = two->wait_time_min;
+ if (s1 == ULLONG_MAX)
+ s1 = 0;
+ if (s2 == ULLONG_MAX)
+ s2 = 0;
+ return s1 > s2;
+}
+
struct lock_key {
/*
* name: the value for specify by user
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