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Commitb81a3a100c("tracing/histogram: Add simple tests for stacktrace usage of synthetic events") changed the output text in tracefs README, but missed updating some of the dependencies specified in selftests. This causes some of the tests to exit as unsupported. Fix this by changing the grep pattern. Since we want these tests to work on older kernels, match only against the common last part of the pattern. Link: https://lore.kernel.org/linux-trace-kernel/20230614091046.2178539-1-naveen@kernel.org Cc: <linux-kselftest@vger.kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Fixes:b81a3a100c("tracing/histogram: Add simple tests for stacktrace usage of synthetic events") Signed-off-by: Naveen N Rao <naveen@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
31 lines
1.3 KiB
Bash
31 lines
1.3 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: event trigger - test inter-event histogram trigger trace action with dynamic string param
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# requires: set_event synthetic_events events/sched/sched_process_exec/hist "' >> synthetic_events":README ping:program
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fail() { #msg
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echo $1
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exit_fail
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}
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echo "Test create synthetic event"
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echo 'ping_test_latency u64 lat; char filename[]' > synthetic_events
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if [ ! -d events/synthetic/ping_test_latency ]; then
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fail "Failed to create ping_test_latency synthetic event"
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fi
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echo "Test create histogram for synthetic event using trace action and dynamic strings"
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echo "Test histogram dynamic string variables,simple expression support and trace action"
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echo 'hist:key=pid:filenamevar=filename:ts0=common_timestamp.usecs' > events/sched/sched_process_exec/trigger
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echo 'hist:key=pid:lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_process_exec).ping_test_latency($lat,$filenamevar) if comm == "ping"' > events/sched/sched_process_exit/trigger
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echo 'hist:keys=filename,lat:sort=filename,lat' > events/synthetic/ping_test_latency/trigger
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ping $LOCALHOST -c 5
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if ! grep -q "ping" events/synthetic/ping_test_latency/hist; then
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fail "Failed to create dynamic string trace action inter-event histogram"
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fi
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exit 0
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