[PATCH v2 7/9] rtla/tests: Add tests for actions

Tomas Glozar
2025-06-26T12:36:34Z

Add a bunch of tests covering most of both --on-threshold and --on-end.
Parts sensitive to implementation of hist/top are tested for both.

Signed-off-by: Tomas Glozar <tglozar@redhat.com>
---
tools/tracing/rtla/tests/timerlat.t | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/tools/tracing/rtla/tests/timerlat.t b/tools/tracing/rtla/tests/timerlat.t
index 579c12a85e8f..b354bacd78f8 100644
--- a/tools/tracing/rtla/tests/timerlat.t
+++ b/tools/tracing/rtla/tests/timerlat.t
@@ -18,6 +18,8 @@ fi
for option in $no_bpf_options
do
export RTLA_NO_BPF=$option
+
+# Basic tests
check "verify help page" \
"timerlat --help"
check "verify -s/--stack" \
@@ -36,6 +38,32 @@ 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
+
+# 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
--
2.49.0