[PATCH 06/10] perf values: Fix thread index bug

From: Jiri Olsa
Date: Thu Aug 24 2017 - 12:29:15 EST


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>
---
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 5de2e15e2eda..9ac36bf2c438 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;
}
--
2.9.5