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| author |   Jaegeuk Kim <jaegeuk@kernel.org> | 2016-05-25 20:57:16 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-06-02 18:05:21 -0700 |
| commit | 46ae957f9b1611be2935ae626f601cda74f8160e (patch) | |
| tree | 25e16458328da67a57490a98f173c95d9e919efa /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | f2fs: do not skip writing data pages (diff) | |
f2fs: remove two steps to flush dirty data pages
If there is no cold page, we don't need to do a loop to flush dirty
data pages.
On /dev/pmem0,
1. dd if=/dev/zero of=/mnt/test/testfile bs=1M count=2048 conv=fsync
Before : 1.1 GB/s
After : 1.2 GB/s
2. dd if=/dev/zero of=/mnt/test/testfile bs=1M count=2048
Before : 2.2 GB/s
After : 2.3 GB/s
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions