1 files changed, 44 insertions, 0 deletions

diff --git a/tools/perf/tests/perf-hooks.c b/tools/perf/tests/perf-hooks.c
new file mode 100644
index 000000000000..9338cb2c25ab
--- /dev/null
+++ b/tools/perf/tests/perf-hooks.c
@@ -0,0 +1,44 @@
+#include <signal.h>
+#include <stdlib.h>
+
+#include "tests.h"
+#include "debug.h"
+#include "util.h"
+#include "perf-hooks.h"
+
+static void sigsegv_handler(int sig __maybe_unused)
+{
+        pr_debug("SIGSEGV is observed as expected, try to recover.\n");
+        perf_hooks__recover();
+        signal(SIGSEGV, SIG_DFL);
+        raise(SIGSEGV);
+        exit(-1);
+}
+
+static int hook_flags;
+
+static void the_hook(void)
+{
+        int *p = NULL;
+
+        hook_flags = 1234;
+
+        /* Generate a segfault, test perf_hooks__recover */
+        *p = 0;
+}
+
+int test__perf_hooks(int subtest __maybe_unused)
+{
+        signal(SIGSEGV, sigsegv_handler);
+        perf_hooks__set_hook("test", the_hook);
+        perf_hooks__invoke_test();
+
+        /* hook is triggered? */
+        if (hook_flags != 1234)
+                return TEST_FAIL;
+
+        /* the buggy hook is removed? */
+        if (perf_hooks__get_hook("test"))
+                return TEST_FAIL;
+        return TEST_OK;
+}