From 73cc817e17b43a8fc43cb94cda4b3179e7f9e5a8 Mon Sep 17 00:00:00 2001
From: Kevin Kelley <kelleyk@kelleyk.net>
Date: Sun, 13 Dec 2015 22:56:08 -0800
Subject: [PATCH] Fix filter intended to exclude perf's own writes.

---
 syscount | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/syscount b/syscount
index c7f68ce..7474571 100755
--- a/syscount
+++ b/syscount
@@ -144,7 +144,7 @@ if (( opt_count && opt_verbose )); then
 		tp=$(perf list syscalls:sys_enter_* | awk '
 		    $1 != "syscalls:sys_enter_write" &&  $1 ~ /syscalls:/ { printf "-e %s ", $1 }')
 		tp="$tp -e syscalls:sys_enter_write"
-		sh -c "perf record $tp --filter 'common_pid != '\$\$ $cpus $cmd"
+		sh -c "exec perf record $tp --filter 'common_pid != '\$\$ $cpus $cmd"
 	else
 		perf record 'syscalls:sys_enter_*' $cpus $cmd
 		# could also pipe direct to perf script
@@ -167,7 +167,7 @@ fi
 ### execute process name mode
 tp="-e raw_syscalls:sys_enter"
 if (( write_workaround )); then
-	sh -c "perf record $tp --filter 'common_pid != '\$\$ $cpus $cmd"
+	sh -c "exec perf record $tp --filter 'common_pid != '\$\$ $cpus $cmd"
 else
 	perf record $tp $cpus $cmd
 fi