ANDROID: vendor_hooks: Add hooks to recognize special worker thread.

Recognize special worker thread.

Bug: 184571803
Signed-off-by: Liujie Xie <xieliujie@oppo.com>
Change-Id: I2ad112627eb18b98d0868bac6bd00bbfd84b34c4

include/trace/hooks/workqueue.h

@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM workqueue
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_WORKQUEUE_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct worker;
+DECLARE_HOOK(android_vh_create_worker,
+	TP_PROTO(struct worker *worker, struct workqueue_attrs *attrs),
+	TP_ARGS(worker, attrs));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_WORKQUEUE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>