1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
3 # description: trace_marker trigger - test histogram with synthetic event
4 # requires: set_event synthetic_events events/ftrace/print/trigger events/ftrace/print/hist
5 # flags:
6
7 fail() { #msg
8 echo $1
9 exit_fail
10 }
11
12 echo "Test histogram trace_marker to trace_marker latency histogram trigger"
13
14 echo 'latency u64 lat' > synthetic_events
15 echo 'hist:keys=common_pid:ts0=common_timestamp.usecs if buf == "start"' > events/ftrace/print/trigger
16 echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) if buf == "end"' >> events/ftrace/print/trigger
17 echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger
18 echo -n "start" > trace_marker
19 echo -n "end" > trace_marker
20
21 cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l`
22
23 if [ $cnt -ne 2 ]; then
24 fail "hist trace_marker trigger did not trigger correctly"
25 fi
26
27 grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
28 fail "hist trigger did not trigger "
29
30 exit 0
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