diff options
author | Thomas Gleixner <[email protected]> | 2017-09-12 21:37:18 +0200 |
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committer | Ingo Molnar <[email protected]> | 2017-09-14 11:41:08 +0200 |
commit | 178b9f7a36d2c74a38274b66dd89f53611298a19 (patch) | |
tree | 6ea60b3626a552baa282502b62cd19b4429889bf /tools/perf/scripts/python/export-to-postgresql.py | |
parent | 091549858ed881e5f3054374af4f5b1cac681d50 (diff) |
watchdog/hardlockup/perf: Implement init time perf validation
The watchdog tries to create perf events even after it figured out that
perf is not functional or the requested event is not supported.
That's braindead as this can be done once at init time and if not supported
the NMI watchdog can be turned off unconditonally.
Implement the perf hardlockup detector functionality for that. This creates
a new event create function, which will replace the unholy mess of the
existing one in later patches.
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Don Zickus <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Chris Metcalf <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Sebastian Siewior <[email protected]>
Cc: Ulrich Obergfell <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
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