diff options
| author | Ulrich Obergfell <[email protected]> | 2015-04-14 15:44:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2015-04-14 16:48:59 -0700 |
| commit | bcfba4f4bf3c9c7c72b459d52a9e826dfd72855e (patch) | |
| tree | 8e439f7790d9e572a55c2c257fafabbaca865563 /tools/perf/scripts/python/netdev-times.py | |
| parent | 83a80a39075a9ded23df1e26a4b617c289077630 (diff) | |
watchdog: implement error handling for failure to set up hardware perf events
If watchdog_nmi_enable() fails to set up the hardware perf event of one
CPU, the entire hard lockup detector is deemed unreliable. Hence, disable
the hard lockup detector and shut down the hardware perf events on all
CPUs.
[[email protected]: update comments to explain some code]
Signed-off-by: Ulrich Obergfell <[email protected]>
Signed-off-by: Don Zickus <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/netdev-times.py')
0 files changed, 0 insertions, 0 deletions