[profiler] Make certain Runtime Call Stats fields atomic.

[profiler] Make certain Runtime Call Stats fields atomic.

Make RuntimeCallTimer::parent_ and RuntimeCallStats::current_timer_
fields atomic as they are accessed from the signal handler.

BUG=chromium:660428
Committed: https://crrev.com/fdca1bb2da9783c3362277b3a9a9e5cb9bf2178e
Cr-Commit-Position: refs/heads/master@{#40709}

[alph, 2016-10-31 18:49:04]

alph@chromium.org changed reviewers:
+ caseq@chromium.org, cbruni@chromium.org, lpy@chromium.org

[alph, 2016-10-31 18:49:05]

ptal

[alph, 2016-10-31 18:49:12]

The CQ bit was checked by alph@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-31 18:49:21]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-31 19:17:16]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-31 19:17:17]

Dry run: This issue passed the CQ dry run.

[lpy, 2016-10-31 19:40:40]

LGTM from my side.

[caseq, 2016-10-31 20:43:28]

lgtm

[Camillo Bruni, 2016-11-02 10:26:57]

LGTM

[alph, 2016-11-02 17:23:23]

The CQ bit was checked by alph@chromium.org

[commit-bot: I haz the power, 2016-11-02 17:23:34]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-11-02 18:49:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-17 22:19:48]

Description was changed from

==========
[profiler] Make certain Runtime Call Stats fields atomic.

Make RuntimeCallTimer::parent_ and RuntimeCallStats::current_timer_
fields atomic as they are accessed from the signal handler.

BUG=chromium:660428
==========

to

==========
[profiler] Make certain Runtime Call Stats fields atomic.

Make RuntimeCallTimer::parent_ and RuntimeCallStats::current_timer_
fields atomic as they are accessed from the signal handler.

BUG=chromium:660428

Committed: https://crrev.com/fdca1bb2da9783c3362277b3a9a9e5cb9bf2178e
Cr-Commit-Position: refs/heads/master@{#40709}
==========

[commit-bot: I haz the power, 2016-11-17 22:19:49]

Patchset 1 (id:??) landed as
https://crrev.com/fdca1bb2da9783c3362277b3a9a9e5cb9bf2178e
Cr-Commit-Position: refs/heads/master@{#40709}