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-rwxr-xr-xbin/run_xcpu.sh44
1 files changed, 44 insertions, 0 deletions
diff --git a/bin/run_xcpu.sh b/bin/run_xcpu.sh
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--- /dev/null
+++ b/bin/run_xcpu.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# 0x.Tools by Tanel Poder [https://0x.tools]
+# Copyright 2019-2020 Tanel Poder
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+FREQUENCY=1 # 1 Hz sampling
+SUDO=sudo # change to empty string if running without sudo
+NICE=-5
+SLEEP=60
+PERF=/usr/bin/perf
+
+if [ $# -ne 1 ]; then
+ echo "Usage: $0 output_dir"
+ exit 1
+fi
+
+logger "$0 Starting up outdir=$1 nice=$NICE"
+
+while true ; do
+ $SUDO nice -n $NICE $PERF record -g -F $FREQUENCY -a \
+ --switch-output=1m \
+ --timestamp-filename \
+ --timestamp \
+ -o $1/xcpu
+
+ # we only get here should perf be terminated, try to restart
+ logger "$0 terminated with $?, attempting to restart in $SLEEP seconds"
+ sleep $SLEEP
+done
+