diff options
| author |   Jiang, Yunhong <yunhong.jiang@intel.com> | 2017-02-16 18:00:47 +0000 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@opnfv.org> | 2017-02-16 18:00:47 +0000 |
| commit | 48f1b1f5298bc4960f261df412315d6e15897c43 (patch) | |
| tree | ad2e2861ebfb25532a377a23f76e4c0fcbebac68 /ci/envs/disable_trace.sh | |
| parent | 881aa3fcf152088440444d6f4296eaac3783801c (diff) | |
| parent | be208cb48be4f4db438ce27be15e1f6166c26910 (diff) | |
Merge "Enabling ftrace for kernel debugging."
Diffstat (limited to 'ci/envs/disable_trace.sh')
| -rwxr-xr-x | ci/envs/disable_trace.sh | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ci/envs/disable_trace.sh b/ci/envs/disable_trace.sh new file mode 100755 index 000000000..1b04e62bb --- /dev/null +++ b/ci/envs/disable_trace.sh @@ -0,0 +1,17 @@ +#!/bin/bash + +set -o xtrace +curpwd=`pwd` +TRACE_FILE=$1 +TRACEDIR=/sys/kernel/debug/tracing/ + +sudo bash -c "echo 0 >$TRACEDIR/tracing_on" +sleep 1 +sudo bash -c "cat $TRACEDIR/trace > $TRACE_FILE" +sudo bash -c "echo > $TRACEDIR/set_event" +sudo bash -c "echo > $TRACEDIR/trace" +sudo sysctl kernel.ftrace_enabled=0 +sudo bash -c "echo nop > $TRACEDIR/current_tracer" + +set +o xtrace +cd $curpwd |