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005682b403
Using the RTLA_NO_BPF environmental variable, execute rtla-timerlat tests both with and without BPF support to cover both paths. If rtla is built without BPF or the osnoise:timerlat_sample trace event is not available, test only the non-BPF path. Cc: John Kacur <jkacur@redhat.com> Cc: Luis Goncalves <lgoncalv@redhat.com> Cc: Gabriele Monaco <gmonaco@redhat.com> Cc: Clark Williams <williams@redhat.com> Link: https://lore.kernel.org/20250218145859.27762-9-tglozar@redhat.com Signed-off-by: Tomas Glozar <tglozar@redhat.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
42 lines
1.0 KiB
Bash
42 lines
1.0 KiB
Bash
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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source tests/engine.sh
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test_begin
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set_timeout 2m
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timerlat_sample_event='/sys/kernel/tracing/events/osnoise/timerlat_sample'
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if ldd $RTLA | grep libbpf >/dev/null && [ -d "$timerlat_sample_event" ]
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then
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# rtla build with BPF and system supports BPF mode
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no_bpf_options='0 1'
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else
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no_bpf_options='1'
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fi
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# Do every test with and without BPF
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for option in $no_bpf_options
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do
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export RTLA_NO_BPF=$option
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check "verify help page" \
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"timerlat --help"
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check "verify -s/--stack" \
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"timerlat top -s 3 -T 10 -t"
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check "verify -P/--priority" \
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"timerlat top -P F:1 -c 0 -d 1M -q"
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check "test in nanoseconds" \
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"timerlat top -i 2 -c 0 -n -d 30s"
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check "set the automatic trace mode" \
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"timerlat top -a 5 --dump-tasks"
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check "print the auto-analysis if hits the stop tracing condition" \
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"timerlat top --aa-only 5"
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check "disable auto-analysis" \
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"timerlat top -s 3 -T 10 -t --no-aa"
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check "verify -c/--cpus" \
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"timerlat hist -c 0 -d 30s"
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check "hist test in nanoseconds" \
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"timerlat hist -i 2 -c 0 -n -d 30s"
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done
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test_end
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