1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/record_sideband.sh b/tools/perf/tests/shell/record_sideband.sh
new file mode 100755
index 000000000000..ac70ac27d590
--- /dev/null
+++ b/tools/perf/tests/shell/record_sideband.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+# perf record sideband tests
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+err=0
+perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
+
+cleanup()
+{
+    rm -rf ${perfdata}
+    trap - EXIT TERM INT
+}
+
+trap_cleanup()
+{
+    cleanup
+    exit 1
+}
+trap trap_cleanup EXIT TERM INT
+
+can_cpu_wide()
+{
+    if ! perf record -o ${perfdata} -BN --no-bpf-event -C $1 true > /dev/null 2>&1
+    then
+        echo "record sideband test [Skipped cannot record cpu$1]"
+        err=2
+    fi
+
+    rm -f ${perfdata}
+    return $err
+}
+
+test_system_wide_tracking()
+{
+    # Need CPU 0 and CPU 1
+    can_cpu_wide 0 || return 0
+    can_cpu_wide 1 || return 0
+
+    # Record on CPU 0 a task running on CPU 1
+    perf record -BN --no-bpf-event -o ${perfdata} -C 0 -- taskset --cpu-list 1 true
+
+    # Should get MMAP events from CPU 1
+    mmap_cnt=`perf script -i ${perfdata} --show-mmap-events -C 1 2>/dev/null | grep MMAP | wc -l`
+
+    if [ ${mmap_cnt} -gt 0 ] ; then
+        return 0
+    fi
+
+    echo "Failed to record MMAP events on CPU 1 when tracing CPU 0"
+    return 1
+}
+
+test_system_wide_tracking
+
+cleanup
+exit $err