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-rwxr-xr-xtools/perf/tests/shell/stat+shadow_stat.sh81
1 files changed, 81 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/stat+shadow_stat.sh b/tools/perf/tests/shell/stat+shadow_stat.sh
new file mode 100755
index 000000000..e6e35fc6c
--- /dev/null
+++ b/tools/perf/tests/shell/stat+shadow_stat.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+# perf stat metrics (shadow stat) test
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+# skip if system-wide mode is forbidden
+perf stat -a true > /dev/null 2>&1 || exit 2
+
+# skip if on hybrid platform
+perf stat -a -e cycles sleep 1 2>&1 | grep -e cpu_core && exit 2
+
+test_global_aggr()
+{
+ perf stat -a --no-big-num -e cycles,instructions sleep 1 2>&1 | \
+ grep -e cycles -e instructions | \
+ while read num evt hash ipc rest
+ do
+ # skip not counted events
+ if [ "$num" = "<not" ]; then
+ continue
+ fi
+
+ # save cycles count
+ if [ "$evt" = "cycles" ]; then
+ cyc=$num
+ continue
+ fi
+
+ # skip if no cycles
+ if [ -z "$cyc" ]; then
+ continue
+ fi
+
+ # use printf for rounding and a leading zero
+ res=`printf "%.2f" $(echo "scale=6; $num / $cyc" | bc -q)`
+ if [ "$ipc" != "$res" ]; then
+ echo "IPC is different: $res != $ipc ($num / $cyc)"
+ exit 1
+ fi
+ done
+}
+
+test_no_aggr()
+{
+ perf stat -a -A --no-big-num -e cycles,instructions sleep 1 2>&1 | \
+ grep ^CPU | \
+ while read cpu num evt hash ipc rest
+ do
+ # skip not counted events
+ if [ "$num" = "<not" ]; then
+ continue
+ fi
+
+ # save cycles count
+ if [ "$evt" = "cycles" ]; then
+ results="$results $cpu:$num"
+ continue
+ fi
+
+ cyc=${results##* $cpu:}
+ cyc=${cyc%% *}
+
+ # skip if no cycles
+ if [ -z "$cyc" ]; then
+ continue
+ fi
+
+ # use printf for rounding and a leading zero
+ res=`printf "%.2f" $(echo "scale=6; $num / $cyc" | bc -q)`
+ if [ "$ipc" != "$res" ]; then
+ echo "IPC is different for $cpu: $res != $ipc ($num / $cyc)"
+ exit 1
+ fi
+ done
+}
+
+test_global_aggr
+test_no_aggr
+
+exit 0