diff options
| author | Cyrill Gorcunov <[email protected]> | 2010-05-12 21:42:42 +0400 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2010-05-13 08:51:13 +0200 |
| commit | 720019908fd5a1bb442bb0a35a6027ba21864d25 (patch) | |
| tree | b6a637a752f67061403664ec28c5c587c544b01c /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py | |
| parent | 975fc2d5f20b071576e7c9920c4f1a1eae80f88d (diff) | |
x86, perf: P4 PMU -- use hash for p4_get_escr_idx()
Linear search over all p4 MSRs should be fine if only
we would not use it in events scheduling routine which
is pretty time critical. Lets use hashes. It should speed
scheduling up significantly.
v2: Steven proposed to use more gentle approach than issue
BUG on error, so we use WARN_ONCE now
Signed-off-by: Cyrill Gorcunov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Lin Ming <[email protected]>
LKML-Reference: <20100512174242.GA5190@lenovo>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py')
0 files changed, 0 insertions, 0 deletions