diff options
| author | Peter Zijlstra <[email protected]> | 2010-05-20 16:21:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2010-05-21 11:37:58 +0200 |
| commit | adb8e118f288dc4c569ac9a89010b81a4745fbf0 (patch) | |
| tree | 40f2bbbe7c59fb4b4a44120fa9cc79822b68e545 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py | |
| parent | 0e2e63dd608bf5844ffae7bf7d860de18a62724c (diff) | |
perf: Fix wakeup storm for RO mmap()s
RO mmap()s don't update the tail pointer, so
comparing against it for determining the written data
size doesn't really do any good.
Keep track of when we last did a wakeup, and compare
against that.
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Steven Rostedt <[email protected]>
LKML-Reference: <[email protected]>
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