From 8c6f1c6ed2ca339a8797eb87d14fcfee90542486 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=A9mie=20Astor?= <astor.jeremie@wanadoo.fr>
Date: Fri, 17 Jan 2020 01:24:21 +0100
Subject: [PATCH] allow pref

---
 scripts/benchmark.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/benchmark.sh b/scripts/benchmark.sh
index 92bcc650..01e1ff80 100644
--- a/scripts/benchmark.sh
+++ b/scripts/benchmark.sh
@@ -9,8 +9,8 @@ plot_script="scripts/bench.plot"
 run() {
   echo "$1 $3 $2" >&2
   echo "perf stat -r$repeats $1 $test_dir/$3.$2"
-#  sudo echo -1 > /proc/sys/kernel/perf_event_paranoid
-  sudo perf stat -r"$repeats" "$1" "$test_dir/$3.$2" 2>&1 | grep "time elapsed" |
+  echo 1 | sudo -a tee /proc/sys/kernel/perf_event_paranoid
+  perf stat -r"$repeats" "$1" "$test_dir/$3.$2" 2>&1 | grep "time elapsed" |
     sed 's/ *\([0-9]*\),\([0-9]*\) .* seconds time elapsed *( +- *\([0-9]*\),\([0-9]*\)% )/\1.\2 \3.\4/'
 }
 
-- 
2.43.0