Files
kernel_arpi/include/trace/hooks/debug.h
Changki Kim bad091cc4b ANDROID: vendor_hooks: Add vendor hooks for getting printk messages
When sudden reset by watchdog occurs, kernel log is very helpful.
But the log has saved structure type in log_buf.
So we want to collect the log on runtime to string format at other
reserved memory.

Bug: 167766040

Change-Id: Ic9686acc7c284e2ab81395fb9cc076fafe142bf9
Signed-off-by: Changki Kim <changki.kim@samsung.com>
2020-09-14 14:42:20 +00:00

30 lines
785 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM debug
#define TRACE_INCLUDE_PATH trace/hooks
#if !defined(_TRACE_HOOK_DEBUG_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HOOK_DEBUG_H
#include <linux/tracepoint.h>
#include <trace/hooks/vendor_hooks.h>
#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS)
struct pt_regs;
DECLARE_HOOK(android_vh_ipi_stop,
TP_PROTO(struct pt_regs *regs),
TP_ARGS(regs))
DECLARE_HOOK(android_vh_printk_store,
TP_PROTO(int facility, int level),
TP_ARGS(facility, level))
#else
#define trace_android_vh_ipi_stop(regs)
#define trace_android_vh_printk_store(facility, level)
#endif
#endif /* _TRACE_HOOK_DEBUG_H */
/* This part must be outside protection */
#include <trace/define_trace.h>