1 files changed, 92 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/amd-ibs-swfilt.sh b/tools/perf/tests/shell/amd-ibs-swfilt.sh
new file mode 100755
index 000000000000..e7f66df05c4b
--- /dev/null
+++ b/tools/perf/tests/shell/amd-ibs-swfilt.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+# AMD IBS software filtering
+
+ParanoidAndNotRoot() {
+  [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
+}
+
+echo "check availability of IBS swfilt"
+
+# check if IBS PMU is available
+if [ ! -d /sys/bus/event_source/devices/ibs_op ]; then
+    echo "[SKIP] IBS PMU does not exist"
+    exit 2
+fi
+
+# check if IBS PMU has swfilt format
+if [ ! -f /sys/bus/event_source/devices/ibs_op/format/swfilt ]; then
+    echo "[SKIP] IBS PMU does not have swfilt"
+    exit 2
+fi
+
+echo "run perf record with modifier and swfilt"
+err=0
+
+# setting any modifiers should fail
+perf record -B -e ibs_op//u -o /dev/null true 2> /dev/null
+if [ $? -eq 0 ]; then
+    echo "[FAIL] IBS PMU should not accept exclude_kernel"
+    exit 1
+fi
+
+# setting it with swfilt should be fine
+perf record -B -e ibs_op/swfilt/u -o /dev/null true
+if [ $? -ne 0 ]; then
+    echo "[FAIL] IBS op PMU cannot handle swfilt for exclude_kernel"
+    exit 1
+fi
+
+if ! ParanoidAndNotRoot 1
+then
+    # setting it with swfilt=1 should be fine
+    perf record -B -e ibs_op/swfilt=1/k -o /dev/null true
+    if [ $? -ne 0 ]; then
+        echo "[FAIL] IBS op PMU cannot handle swfilt for exclude_user"
+        exit 1
+    fi
+else
+    echo "[SKIP] not root and perf_event_paranoid too high for exclude_user"
+    err=2
+fi
+
+# check ibs_fetch PMU as well
+perf record -B -e ibs_fetch/swfilt/u -o /dev/null true
+if [ $? -ne 0 ]; then
+    echo "[FAIL] IBS fetch PMU cannot handle swfilt for exclude_kernel"
+    exit 1
+fi
+
+# check system wide recording
+if ! ParanoidAndNotRoot 0
+then
+    perf record -aB --synth=no -e ibs_op/swfilt/k -o /dev/null true
+    if [ $? -ne 0 ]; then
+        echo "[FAIL] IBS op PMU cannot handle swfilt in system-wide mode"
+        exit 1
+    fi
+else
+    echo "[SKIP] not root and perf_event_paranoid too high for system-wide/exclude_user"
+    err=2
+fi
+
+echo "check number of samples with swfilt"
+
+kernel_sample=$(perf record -e ibs_op/swfilt/u -o- true | perf script -i- -F misc | grep -c ^K)
+if [ ${kernel_sample} -ne 0 ]; then
+    echo "[FAIL] unexpected kernel samples: " ${kernel_sample}
+    exit 1
+fi
+
+if ! ParanoidAndNotRoot 1
+then
+    user_sample=$(perf record -e ibs_fetch/swfilt/k -o- true | perf script -i- -F misc | grep -c ^U)
+    if [ ${user_sample} -ne 0 ]; then
+        echo "[FAIL] unexpected user samples: " ${user_sample}
+        exit 1
+    fi
+else
+    echo "[SKIP] not root and perf_event_paranoid too high for exclude_user"
+    err=2
+fi
+
+exit $err