From 63f92ddc8aee18838441179064338702a93326a9 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Wed, 17 Dec 2014 19:45:05 -0800 Subject: 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 --- fs/f2fs/Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'fs/f2fs/Kconfig') 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. -- cgit