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| author |   Jaegeuk Kim <jaegeuk@kernel.org> | 2014-12-17 19:45:05 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-01-09 17:02:24 -0800 |
| commit | 63f92ddc8aee18838441179064338702a93326a9 (patch) | |
| tree | 42cf7109edcebe2bebb8dca7f4419721a32231db /fs/f2fs/Kconfig | |
| parent | f2fs: use f2fs_io_info to clean up messy parameters during IO path (diff) | |
| download | linux-dev-63f92ddc8aee18838441179064338702a93326a9.tar.xz linux-dev-63f92ddc8aee18838441179064338702a93326a9.zip | |
f2fs: add f2fs_io_tracer support
This patch adds:
o initial trace.c and trace.h with skeleton functions
o Kconfig and Makefile to activate this feature
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/Kconfig')
| -rw-r--r-- | fs/f2fs/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig index 736a348509f7..94e2d2ffabe1 100644 --- a/fs/f2fs/Kconfig +++ b/fs/f2fs/Kconfig @@ -71,3 +71,13 @@ config F2FS_CHECK_FS Enables BUG_ONs which check the filesystem consistency in runtime. If you want to improve the performance, say N. + +config F2FS_IO_TRACE + bool "F2FS IO tracer" + depends on F2FS_FS + depends on FUNCTION_TRACER + help + F2FS IO trace is based on a function trace, which gathers process + information and block IO patterns in the filesystem level. + + If unsure, say N. |