Commit-ID: 64eed1deb6d87f4c0efe03297f50367a3689eb56
Gitweb: http://git.kernel.org/tip/64eed1deb6d87f4c0efe03297f50367a3689eb56
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 24 Aug 2017 18:27:33 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 28 Aug 2017 16:44:42 -0300
perf values: Fix thread index bug
We are taking wrong index (+1) for first thread, which leaves thread
with index 0 unused and uninitialized.
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20170824162737.7813-7-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/values.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c
index 5de2e15..9ac36bf 100644
--- a/tools/perf/util/values.c
+++ b/tools/perf/util/values.c
@@ -98,7 +98,7 @@ static int perf_read_values__findnew_thread(struct perf_read_values *values,
return i;
}
- i = values->threads + 1;
+ i = values->threads;
values->value[i] = malloc(values->counters_max * sizeof(**values->value));
if (!values->value[i]) {
pr_debug("failed to allocate read_values counters array");
@@ -106,7 +106,7 @@ static int perf_read_values__findnew_thread(struct perf_read_values *values,
}
values->pid[i] = pid;
values->tid[i] = tid;
- values->threads = i;
+ values->threads = i + 1;
return i;
}
--
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