perf tests: Add auto counter reload (ACR) sampling test

Add auto counter reload sampling test to verify that the intended event
records can be captured and the self-reloaded events won't generate any
records.

Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

1 files changed, 43 insertions, 0 deletions

diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index dd90fef2088b..625240809fce 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -403,6 +403,48 @@ test_callgraph() {
   echo "Callgraph test [Success]"
 }
 
+test_acr_sampling() {
+  events="{instructions/period=40000,acr_mask=0x2/u,cycles/period=20000,acr_mask=0x3/u}"
+  pebs_events="{instructions/period=40000,acr_mask=0x2/pu,cycles/period=20000,acr_mask=0x3/u}"
+  echo "Auto counter reload (ACR) sampling test"
+  if ! perf record -o "${perfdata}" -e "${events}" ${testprog} 2> /dev/null
+  then
+    echo "Auto counter reload sampling [Skipped not supported]"
+    return
+  fi
+  if ! perf script -i "${perfdata}" -F event | grep -q "instructions"
+  then
+    echo "Auto counter reload sampling [Failed missing instructions event]"
+    err=1
+    return
+  fi
+  if perf script -i "${perfdata}" -F event | grep -q "cycles"
+  then
+    echo "Auto counter reload sampling [Failed cycles event shouldn't be sampled]"
+    err=1
+    return
+  fi
+  if ! perf record -o "${perfdata}" -e "${pebs_events}" ${testprog} 2> /dev/null
+  then
+    echo "Auto counter reload PEBS sampling [Skipped not supported]"
+    echo "Auto counter reload sampling [Success]"
+    return
+  fi
+  if ! perf script -i "${perfdata}" -F event | grep -q "instructions"
+  then
+    echo "Auto counter reload PEBS sampling [Failed missing instructions event]"
+    err=1
+    return
+  fi
+  if perf script -i "${perfdata}" -F event | grep -q "cycles"
+  then
+    echo "Auto counter reload PEBS sampling [Failed cycles event shouldn't be sampled]"
+    err=1
+    return
+  fi
+  echo "Auto counter reload sampling [Success]"
+}
+
 test_ratio_to_prev() {
   echo "ratio-to-prev test"
   if ! perf record -o /dev/null -e "{instructions, cycles/period=100000,ratio-to-prev=0.5/}" \
@@ -458,6 +500,7 @@ test_leader_sampling
 test_topdown_leader_sampling
 test_precise_max
 test_callgraph
+test_acr_sampling
 test_ratio_to_prev
 
 # restore the default value