rtla/tests: Add tests for actions

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.

Cc: John Kacur <jkacur@redhat.com>
Cc: Luis Goncalves <lgoncalv@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Chang Yin <cyin@redhat.com>
Cc: Costa Shulyupin <costa.shul@redhat.com>
Cc: Crystal Wood <crwood@redhat.com>
Cc: Gabriele Monaco <gmonaco@redhat.com>
Link: https://lore.kernel.org/20250626123405.1496931-8-tglozar@redhat.com
Signed-off-by: Tomas Glozar <tglozar@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

Author: lenticularis39

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