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Diffstat (limited to '')
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc new file mode 100644 index 000000000..33f5bdee3 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc @@ -0,0 +1,36 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test snapshot-trigger +# requires: set_event events/sched/sched_process_fork/trigger snapshot + +fail() { #msg + echo $1 + exit_fail +} + +FEATURE=`grep snapshot events/sched/sched_process_fork/trigger` +if [ -z "$FEATURE" ]; then + echo "snapshot trigger is not supported" + exit_unsupported +fi + +echo "Test snapshot trigger" +echo 0 > snapshot +echo 1 > events/sched/sched_process_fork/enable +( echo "forked") +echo 'snapshot:1' > events/sched/sched_process_fork/trigger +( echo "forked") +grep sched_process_fork snapshot > /dev/null || \ + fail "snapshot trigger on sched_process_fork did not work" + +reset_trigger +echo 0 > snapshot +echo 0 > events/sched/sched_process_fork/enable + +echo "Test snapshot semantic errors" + +! echo "snapshot+1" > events/sched/sched_process_fork/trigger +echo "snapshot" > events/sched/sched_process_fork/trigger +! echo "snapshot" > events/sched/sched_process_fork/trigger + +exit 0 |