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-rwxr-xr-xtools/perf/tests/shell/test_stat_intel_tpebs.sh85
1 files changed, 85 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/test_stat_intel_tpebs.sh b/tools/perf/tests/shell/test_stat_intel_tpebs.sh
new file mode 100755
index 000000000000..a330ecdb7ba5
--- /dev/null
+++ b/tools/perf/tests/shell/test_stat_intel_tpebs.sh
@@ -0,0 +1,85 @@
+#!/bin/bash
+# test Intel TPEBS counting mode (exclusive)
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+ParanoidAndNotRoot() {
+ [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
+}
+
+if ! grep -q GenuineIntel /proc/cpuinfo
+then
+ echo "Skipping non-Intel"
+ exit 2
+fi
+
+if ParanoidAndNotRoot 0
+then
+ echo "Skipping paranoid >0 and not root"
+ exit 2
+fi
+
+stat_output=$(mktemp /tmp/__perf_stat_tpebs_output.XXXXX)
+
+cleanup() {
+ rm -rf "${stat_output}"
+ trap - EXIT TERM INT
+}
+
+trap_cleanup() {
+ echo "Unexpected signal in ${FUNCNAME[1]}"
+ cat "${stat_output}"
+ cleanup
+ exit 1
+}
+trap trap_cleanup EXIT TERM INT
+
+# Event to be used in tests
+event=cache-misses
+
+if ! perf record -e "${event}:p" -a -o /dev/null sleep 0.01 > "${stat_output}" 2>&1
+then
+ echo "Missing ${event} support"
+ cleanup
+ exit 2
+fi
+
+test_with_record_tpebs() {
+ echo "Testing with --record-tpebs"
+ if ! perf stat -e "${event}:R" --record-tpebs -a sleep 0.01 > "${stat_output}" 2>&1
+ then
+ echo "Testing with --record-tpebs [Failed perf stat]"
+ cat "${stat_output}"
+ exit 1
+ fi
+
+ # Expected output:
+ # $ perf stat --record-tpebs -e cache-misses:R -a sleep 0.01
+ # Events enabled
+ # [ perf record: Woken up 2 times to write data ]
+ # [ perf record: Captured and wrote 0.056 MB - ]
+ #
+ # Performance counter stats for 'system wide':
+ #
+ # 0 cache-misses:R
+ #
+ # 0.013963299 seconds time elapsed
+ if ! grep "perf record" "${stat_output}"
+ then
+ echo "Testing with --record-tpebs [Failed missing perf record]"
+ cat "${stat_output}"
+ exit 1
+ fi
+ if ! grep "${event}:R" "${stat_output}" && ! grep "/${event}/R" "${stat_output}"
+ then
+ echo "Testing with --record-tpebs [Failed missing event name]"
+ cat "${stat_output}"
+ exit 1
+ fi
+ echo "Testing with --record-tpebs [Success]"
+}
+
+test_with_record_tpebs
+cleanup
+exit 0