android_kernel_xiaomi_sm8350/include/trace/hooks/futex.h
JianMin Liu 2f0f512eb0 ANDROID: futex: Add vendor hook for wait queue
Add the hook for the waiter list of futex to allow
vendor perform wait queue enhancement

Bug: 163431711

Signed-off-by: JianMin Liu <jian-min.liu@mediatek.com>
Change-Id: I68218b89c35b23aa5529099bb0bbbd031bdeafef
2020-08-20 19:30:35 +00:00

27 lines
921 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM futex
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH trace/hooks
#if !defined(_TRACE_HOOK_FUTEX_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HOOK_FUTEX_H
#include <linux/tracepoint.h>
#include <trace/hooks/vendor_hooks.h>
#include <linux/plist.h>
/*
* Following tracepoints are not exported in tracefs and provide a
* mechanism for vendor modules to hook and extend functionality
*/
#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS)
DECLARE_HOOK(android_vh_alter_futex_plist_add,
TP_PROTO(struct plist_node *node,
struct plist_head *head,
bool *already_on_hb),
TP_ARGS(node, head, already_on_hb));
#else
#define trace_android_vh_alter_futex_plist_add(node, head, already_on_hb)
#endif
#endif /* _TRACE_HOOK_FUTEX_H */
/* This part must be outside protection */
#include <trace/define_trace.h>