Reviewers: jochen, Benedikt Meurer, bnoordhuis,
Message:
Created Revert of Use CLOCK_REALTIME_COARSE when available.
Description:
Revert of Use CLOCK_REALTIME_COARSE when available. (patchset #1 id:1 of
https://codereview.chromium.org/1151283005/)
Reason for revert:
[Sheriff] This leads to several failures in chromium and blocks our roll:
https://codereview.chromium.org/1154363002/
Bisect (https://codereview.chromium.org/1152553004/) points to this CL.
Please add the failing chromium trybot on a reland of this CL.
Original issue's description:
Use CLOCK_REALTIME_COARSE when available.
On systems that have CLOCK_REALTIME_COARSE with good enough resolution,
we can avoid making a system call to get the current time; it's serviced
from the vDSO.
This is v2 of the patch. v1 can be found at [0] but was reverted in [1]
because of Chromium sandbox restrictions. The necessary changes have
been applied upstream in [2].
[0] https://codereview.chromium.org/1125003002
[1] https://codereview.chromium.org/1130083003
[2] https://codereview.chromium.org/1133653002
BUG=
LOG=N
Committed: https://crrev.com/28cea2b749f24ba33e6e0c8e343dd0d6258ee302
Cr-Commit-Position: refs/heads/master@{#28639}
[email protected],[email protected],[email protected]
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
Please review this at https://codereview.chromium.org/1154783003/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+0, -35 lines):
M src/base/platform/time.cc
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