Add missing system time in Mac ThreadTicks.

Add missing system time in Mac ThreadTicks.

Currently Mac ComputeThreadTicks only uses user time, this patch adds system
time in order to get more accurate CPU time.

BUG=v8:4984
LOG=n

Committed: https://crrev.com/1332be4ab46ab54afe47d2f2f9cdb2b047448eab
Cr-Commit-Position: refs/heads/master@{#36538}

[lpy, 2016-05-25 22:04:23]

lpy@chromium.org changed reviewers:
+ bmeurer@chromium.org, fmeawad@chromium.org, jochen@chromium.org

[lpy, 2016-05-25 22:04:24]

PTAL

[fmeawad, 2016-05-25 22:12:03]

lgtm

[lpy, 2016-05-26 20:26:36]

bmeurer@, ptal.

[Benedikt Meurer, 2016-05-27 03:53:39]

Description was changed from

==========
Add missing system time in Mac ThreadTicks.

Currently Mac ComputeThreadTicks only uses user time, this patch adds system
time in order to get more accurate CPU time.

BUG=4984
LOG=n
==========

to

==========
Add missing system time in Mac ThreadTicks.

Currently Mac ComputeThreadTicks only uses user time, this patch adds system
time in order to get more accurate CPU time.

BUG=v8:4984
LOG=n
==========

[Benedikt Meurer, 2016-05-27 03:53:44]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-05-27 03:53:44]

lgtm

[commit-bot: I haz the power, 2016-05-27 03:53:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2016513002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2016513002/1

[commit-bot: I haz the power, 2016-05-27 04:23:31]

Description was changed from

==========
Add missing system time in Mac ThreadTicks.

Currently Mac ComputeThreadTicks only uses user time, this patch adds system
time in order to get more accurate CPU time.

BUG=v8:4984
LOG=n
==========

to

==========
Add missing system time in Mac ThreadTicks.

Currently Mac ComputeThreadTicks only uses user time, this patch adds system
time in order to get more accurate CPU time.

BUG=v8:4984
LOG=n
==========

[commit-bot: I haz the power, 2016-05-27 04:23:34]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-27 04:24:30]

Description was changed from

==========
Add missing system time in Mac ThreadTicks.

Currently Mac ComputeThreadTicks only uses user time, this patch adds system
time in order to get more accurate CPU time.

BUG=v8:4984
LOG=n
==========

to

==========
Add missing system time in Mac ThreadTicks.

Currently Mac ComputeThreadTicks only uses user time, this patch adds system
time in order to get more accurate CPU time.

BUG=v8:4984
LOG=n

Committed: https://crrev.com/1332be4ab46ab54afe47d2f2f9cdb2b047448eab
Cr-Commit-Position: refs/heads/master@{#36538}
==========

[commit-bot: I haz the power, 2016-05-27 04:24:32]

Patchset 1 (id:??) landed as
https://crrev.com/1332be4ab46ab54afe47d2f2f9cdb2b047448eab
Cr-Commit-Position: refs/heads/master@{#36538}