diff options
Diffstat (limited to 'tools/tracing/rtla/tests/timerlat.t')
| -rw-r--r-- | tools/tracing/rtla/tests/timerlat.t | 72 |
1 files changed, 72 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..c71aed5534bf --- /dev/null +++ b/tools/tracing/rtla/tests/timerlat.t @@ -0,0 +1,72 @@ +#!/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 + +# Basic tests +check "verify help page" \ + "timerlat --help" 0 "timerlat version" +check "verify -s/--stack" \ + "timerlat top -s 3 -T 10 -t" 2 "Blocking thread stack trace" +check "verify -P/--priority" \ + "timerlat top -P F:1 -c 0 -d 10s -q -T 1 --on-threshold shell,command=\"tests/scripts/check-priority.sh timerlatu/ SCHED_FIFO 1\"" \ + 2 "Priorities are set correctly" +check "test in nanoseconds" \ + "timerlat top -i 2 -c 0 -n -d 10s" 2 "ns" +check "set the automatic trace mode" \ + "timerlat top -a 5" 2 "analyzing it" +check "dump tasks" \ + "timerlat top -a 5 --dump-tasks" 2 "Printing CPU tasks" +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 10s" +check "hist test in nanoseconds" \ + "timerlat hist -i 2 -c 0 -n -d 10s" 2 "ns" + +# Actions tests +check "trace output through -t" \ + "timerlat hist -T 2 -t" 2 "^ Saving trace to timerlat_trace.txt$" +check "trace output through -t with custom filename" \ + "timerlat hist -T 2 -t custom_filename.txt" 2 "^ Saving trace to custom_filename.txt$" +check "trace output through -A trace" \ + "timerlat hist -T 2 --on-threshold trace" 2 "^ Saving trace to timerlat_trace.txt$" +check "trace output through -A trace with custom filename" \ + "timerlat hist -T 2 --on-threshold trace,file=custom_filename.txt" 2 "^ Saving trace to custom_filename.txt$" +check "exec command" \ + "timerlat hist -T 2 --on-threshold shell,command='echo TestOutput'" 2 "^TestOutput$" +check "multiple actions" \ + "timerlat hist -T 2 --on-threshold shell,command='echo -n 1' --on-threshold shell,command='echo 2'" 2 "^12$" +check "hist stop at failed action" \ + "timerlat hist -T 2 --on-threshold shell,command='echo -n 1; false' --on-threshold shell,command='echo -n 2'" 2 "^1# RTLA timerlat histogram$" +check "top stop at failed action" \ + "timerlat top -T 2 --on-threshold shell,command='echo -n 1; false' --on-threshold shell,command='echo -n 2'" 2 "^1ALL" +check "hist with continue" \ + "timerlat hist -T 2 -d 1s --on-threshold shell,command='echo TestOutput' --on-threshold continue" 0 "^TestOutput$" +check "top with continue" \ + "timerlat top -q -T 2 -d 1s --on-threshold shell,command='echo TestOutput' --on-threshold continue" 0 "^TestOutput$" +check "hist with trace output at end" \ + "timerlat hist -d 1s --on-end trace" 0 "^ Saving trace to timerlat_trace.txt$" +check "top with trace output at end" \ + "timerlat top -d 1s --on-end trace" 0 "^ Saving trace to timerlat_trace.txt$" +done + +test_end |