It just check trace record and replay could display correct output.
It uses 'sleep' process and sees there's a clock_nanosleep syscall.
$ sudo perf test -vv replay
108: perf trace record and replay:
--- start ---
test child forked, pid
1563219
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.077 MB /tmp/temporary_file.w1ApA (242 samples) ]
0.686 (1000.068 ms): sleep/
1563226 clock_nanosleep(rqtp: 0x7ffc20ffee10, rmtp: 0x7ffc20ffee50) = 0
---- end(0) ----
108: perf trace record and replay : Ok
Tested-by: Thomas Falcon <thomas.falcon@intel.com>
Cc: Howard Chu <howardchu95@gmail.com>
Link: https://lore.kernel.org/r/20250304022837.1877845-5-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
--- /dev/null
+#!/bin/sh
+# perf trace record and replay
+# SPDX-License-Identifier: GPL-2.0
+
+# Check that perf trace works with record and replay
+
+# shellcheck source=lib/probe.sh
+. "$(dirname $0)"/lib/probe.sh
+
+skip_if_no_perf_trace || exit 2
+[ "$(id -u)" = 0 ] || exit 2
+
+file=$(mktemp /tmp/temporary_file.XXXXX)
+
+perf trace record -o ${file} sleep 1 || exit 1
+if ! perf trace -i ${file} 2>&1 | grep nanosleep; then
+ echo "Failed: cannot find *nanosleep syscall"
+ exit 1
+fi
+
+rm -f ${file}