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-rwxr-xr-xtools/testing/selftests/coredump/stackdump14
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/testing/selftests/coredump/stackdump b/tools/testing/selftests/coredump/stackdump
new file mode 100755
index 000000000000..96714ce42d12
--- /dev/null
+++ b/tools/testing/selftests/coredump/stackdump
@@ -0,0 +1,14 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+CRASH_PROGRAM_ID=$1
+STACKDUMP_FILE=$2
+
+TMP=$(mktemp)
+
+for t in /proc/$CRASH_PROGRAM_ID/task/*; do
+ tid=$(basename $t)
+ cat /proc/$tid/stat | awk '{print $29}' >> $TMP
+done
+
+mv $TMP $STACKDUMP_FILE