perf test: Add more test cases to sched test

$ sudo ./perf test -vv 92
   92: perf sched tests:
  --- start ---
  test child forked, pid 1360101
  Sched record
  pid 1360105's current affinity list: 0-3
  pid 1360105's new affinity list: 0
  pid 1360107's current affinity list: 0-3
  pid 1360107's new affinity list: 0
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 4.330 MB /tmp/__perf_test_sched.perf.data.b3319 (12246 samples) ]
  Sched latency
  Sched script
  Sched map
  Sched timehist
  Samples of sched_switch event do not have callchains.
  ---- end(0) ----
   92: perf sched tests                                                : Ok

Reviewed-by: Ian Rogers <irogers@google.com>
Tested-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250703014942.1369397-9-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

tools/perf/tests/shell/sched.sh

@@ -56,38 +56,61 @@ cleanup_noploops() {
   kill "$PID1" "$PID2"
 }
 
-test_sched_latency() {
-  echo "Sched latency"
+test_sched_record() {
+  echo "Sched record"
 
   start_noploops
 
   perf sched record --no-inherit -o "${perfdata}" sleep 1
+
+  cleanup_noploops
+}
+
+test_sched_latency() {
+  echo "Sched latency"
+
   if ! perf sched latency -i "${perfdata}" | grep -q perf-noploop
   then
     echo "Sched latency [Failed missing output]"
     err=1
   fi
-
-  cleanup_noploops
 }
 
 test_sched_script() {
   echo "Sched script"
 
-  start_noploops
-
-  perf sched record --no-inherit -o "${perfdata}" sleep 1
   if ! perf sched script -i "${perfdata}" | grep -q perf-noploop
   then
     echo "Sched script [Failed missing output]"
     err=1
   fi
-
-  cleanup_noploops
 }
 
+test_sched_map() {
+  echo "Sched map"
+
+  if ! perf sched map -i "${perfdata}" | grep -q perf-noploop
+  then
+    echo "Sched map [Failed missing output]"
+    err=1
+  fi
+}
+
+test_sched_timehist() {
+  echo "Sched timehist"
+
+  if ! perf sched timehist -i "${perfdata}" | grep -q perf-noploop
+  then
+    echo "Sched timehist [Failed missing output]"
+    err=1
+  fi
+}
+
+test_sched_record
 test_sched_latency
 test_sched_script
+test_sched_map
+test_sched_timehist
 
 cleanup
 exit $err