#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: trace_marker trigger - test histogram with synthetic event
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# flags:
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do_reset() {
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reset_trigger
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echo > set_event
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echo > synthetic_events
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clear_trace
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}
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fail() { #msg
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do_reset
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echo $1
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exit_fail
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}
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if [ ! -f set_event ]; then
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echo "event tracing is not supported"
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exit_unsupported
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fi
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if [ ! -f synthetic_events ]; then
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echo "synthetic events not supported"
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exit_unsupported
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fi
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if [ ! -d events/ftrace/print ]; then
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echo "event trace_marker is not supported"
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exit_unsupported
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fi
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if [ ! -f events/ftrace/print/trigger ]; then
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echo "event trigger is not supported"
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exit_unsupported
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fi
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if [ ! -f events/ftrace/print/hist ]; then
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echo "hist trigger is not supported"
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exit_unsupported
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fi
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do_reset
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echo "Test histogram trace_marker to trace_marker latency histogram trigger"
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echo 'latency u64 lat' > synthetic_events
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echo 'hist:keys=common_pid:ts0=common_timestamp.usecs if buf == "start"' > events/ftrace/print/trigger
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echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) if buf == "end"' >> events/ftrace/print/trigger
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echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger
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echo -n "start" > trace_marker
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echo -n "end" > trace_marker
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cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l`
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if [ $cnt -ne 2 ]; then
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fail "hist trace_marker trigger did not trigger correctly"
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fi
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grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
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fail "hist trigger did not trigger "
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do_reset
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exit 0
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