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authorYinan Liu <yinan@linux.alibaba.com>2021-12-12 14:33:58 +0300
committerSteven Rostedt <rostedt@goodmis.org>2022-01-14 00:23:04 +0300
commit72b3942a173c387b27860ba1069636726e208777 (patch)
treef5c9e5f29af4aeae0dbaf9d7232dd985cc5cf4b3 /scripts/sorttable.c
parent1c1857d400355e96f0fe8b32adc6fa7594d03b52 (diff)
downloadlinux-72b3942a173c387b27860ba1069636726e208777.tar.xz
scripts: ftrace - move the sort-processing in ftrace_init
When the kernel starts, the initialization of ftrace takes up a portion of the time (approximately 6~8ms) to sort mcount addresses. We can save this time by moving mcount-sorting to compile time. Link: https://lkml.kernel.org/r/20211212113358.34208-2-yinan@linux.alibaba.com Signed-off-by: Yinan Liu <yinan@linux.alibaba.com> Reported-by: kernel test robot <lkp@intel.com> Reported-by: kernel test robot <oliver.sang@intel.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'scripts/sorttable.c')
-rw-r--r--scripts/sorttable.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/sorttable.c b/scripts/sorttable.c
index b7c2ad71f9cf..70bdc787ddfb 100644
--- a/scripts/sorttable.c
+++ b/scripts/sorttable.c
@@ -30,6 +30,8 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <errno.h>
+#include <pthread.h>
#include <tools/be_byteshift.h>
#include <tools/le_byteshift.h>