tree 806cc1ba3deedf85c1d33a964f22aec744895ffa
parent 187562192fc5ef0ea33145b38db07bb0bb407c0b
author Greg Kerr <kerrnel@chromium.org> 1578349299 -0800
committer Philip Chen <philipchen@chromium.org> 1578694656 +0000

debugd: Retry writing to CPU control files.

Bug reports indicate that sometimes writing to the CPU control files
returns EBUSY, and thus there needs to be retry logic.

BUG=chromium:1038955,b:143918745
TEST=tast -verbose run ${DUT_IP} debugd.CoreScheduler

Change-Id: Icccab5490d4d31567002f5abbdbb7c074fbf98a0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/1988946
Tested-by: Greg Kerr <kerrnel@chromium.org>
Auto-Submit: Greg Kerr <kerrnel@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Queue: Greg Kerr <kerrnel@chromium.org>
(cherry picked from commit b572e9d5a9d198a492a3e04a251f384a346340ef)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/1994651
Reviewed-by: Philip Chen <philipchen@chromium.org>
Commit-Queue: Philip Chen <philipchen@chromium.org>
Tested-by: Philip Chen <philipchen@chromium.org>