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| author |   Will Deacon <will.deacon@arm.com> | 2014-02-11 18:08:41 +0000 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2014-02-21 11:11:21 +0000 |
| commit | 5f5092e72cc25a6a5785308270e0085b2b2772cc (patch) | |
| tree | a3f5d15b978418cd29200a95d7abd33440a16577 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | devicetree: bindings: Document Krait performance monitor units (PMU) (diff) | |
| download | linux-dev-5f5092e72cc25a6a5785308270e0085b2b2772cc.tar.xz linux-dev-5f5092e72cc25a6a5785308270e0085b2b2772cc.zip | |
ARM: perf: hook up perf_sample_event_took around pmu irq handling
Since we indirect all of our PMU IRQ handling through a dispatcher, it's
trivial to hook up perf_sample_event_took to prevent applications such
as oprofile from generating interrupt storms due to an unrealisticly
low sample period.
Reported-by: Robert Richter <rric@kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions