diff options
| author | Richard Woodruff <[email protected]> | 2010-12-20 14:05:03 -0600 |
|---|---|---|
| committer | Kevin Hilman <[email protected]> | 2010-12-21 14:45:47 -0800 |
| commit | 0bd40535365c318e331f5e872030a710d5746167 (patch) | |
| tree | e08c1d72b3eac6e260f2d8841c465d154a03c2af /tools/perf/scripts/python/bin | |
| parent | 1cbbe37ac5c78fb59ce02f639d6c4f69b610cf5e (diff) | |
OMAP3: PM: Update clean_l2 to use v7_flush_dcache_all
Analysis in TI kernel with ETM showed that using cache mapped flush
in kernel instead of SO mapped flush cost drops by 65% (3.39mS down
to 1.17mS) for clean_l2 which is used during sleep sequences.
Overall:
- speed up
- unfortunately there isn't a good alternative flush method today
- code reduction and less maintenance and potential bug in
unmaintained code
This also fixes the bug with the clean_l2 function usage.
Reported-by: Tony Lindgren <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Tony Lindgren <[email protected]>
Acked-by: Santosh Shilimkar <[email protected]>
Acked-by: Jean Pihet <[email protected]>
[[email protected]: ported rkw's proposal to 2.6.37-rc2]
Signed-off-by: Nishanth Menon <[email protected]>
Signed-off-by: Richard Woodruff <[email protected]>
Signed-off-by: Kevin Hilman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions