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Diffstat (limited to 'tools/tracing/rtla/tests/timerlat.t')
| -rw-r--r-- | tools/tracing/rtla/tests/timerlat.t | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/tracing/rtla/tests/timerlat.t b/tools/tracing/rtla/tests/timerlat.t new file mode 100644 index 000000000000..579c12a85e8f --- /dev/null +++ b/tools/tracing/rtla/tests/timerlat.t @@ -0,0 +1,41 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +source tests/engine.sh +test_begin + +set_timeout 2m +timerlat_sample_event='/sys/kernel/tracing/events/osnoise/timerlat_sample' + +if ldd $RTLA | grep libbpf >/dev/null && [ -d "$timerlat_sample_event" ] +then + # rtla build with BPF and system supports BPF mode + no_bpf_options='0 1' +else + no_bpf_options='1' +fi + +# Do every test with and without BPF +for option in $no_bpf_options +do +export RTLA_NO_BPF=$option +check "verify help page" \ + "timerlat --help" +check "verify -s/--stack" \ + "timerlat top -s 3 -T 10 -t" 2 +check "verify -P/--priority" \ + "timerlat top -P F:1 -c 0 -d 1M -q" +check "test in nanoseconds" \ + "timerlat top -i 2 -c 0 -n -d 30s" 2 +check "set the automatic trace mode" \ + "timerlat top -a 5 --dump-tasks" 2 +check "print the auto-analysis if hits the stop tracing condition" \ + "timerlat top --aa-only 5" 2 +check "disable auto-analysis" \ + "timerlat top -s 3 -T 10 -t --no-aa" 2 +check "verify -c/--cpus" \ + "timerlat hist -c 0 -d 30s" +check "hist test in nanoseconds" \ + "timerlat hist -i 2 -c 0 -n -d 30s" 2 +done + +test_end |