perf tests record: Cleanup improvements

Remove the script output file. Add a trap debug message. Minor style
consistency changes.

Signed-off-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250410173631.1713627-2-irogers@google.com
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Levi Yun <yeoreum.yun@arm.com>
Cc: Dominique Martinet <asmadeus@codewreck.org>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Tengda Wu <wutengda@huaweicloud.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Hao Ge <gehao@kylinos.cn>
Cc: James Clark <james.clark@linaro.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Xu Yang <xu.yang_2@nxp.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Veronika Molnarova <vmolnaro@redhat.com>
Cc: Dr. David Alan Gilbert <linux@treblig.org>
Cc: bpf@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index ba8d873d3ca7347ce07cf4ce022eefd14fd87569..05d91a663fda9640a1cf14e8279cf29bddd10993 100755 (executable)
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -34,13 +34,15 @@ default_fd_limit=$(ulimit -Sn)
 min_fd_limit=$(($(getconf _NPROCESSORS_ONLN) * 16))
 
 cleanup() {
-  rm -rf "${perfdata}"
-  rm -rf "${perfdata}".old
+  rm -f "${perfdata}"
+  rm -f "${perfdata}".old
+  rm -f "${script_output}"
 
   trap - EXIT TERM INT
 }
 
 trap_cleanup() {
+  echo "Unexpected signal in ${FUNCNAME[1]}"
   cleanup
   exit 1
 }
@@ -239,7 +241,7 @@ test_leader_sampling() {
     return
   fi
   index=0
-  perf script -i "${perfdata}" > $script_output
+  perf script -i "${perfdata}" > "${script_output}"
   while IFS= read -r line
   do
     # Check if the two instruction counts are equal in each record
@@ -252,7 +254,7 @@ test_leader_sampling() {
     fi
     index=$(($index+1))
     prev_cycles=$cycles
-  done < $script_output
+  done < "${script_output}"
   echo "Basic leader sampling test [Success]"
 }