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Commit 2e2e52bf authored by Shi Zhongbo's avatar Shi Zhongbo
Browse files

msm: vidc: add new video custom trace point 



Add new custom trace point to print video firmware
and kernel logs into tracer for debug.

Change-Id: Ic20903c2226790c455ab32f5f7a5ec872831f69a
Signed-off-by: default avatarShi Zhongbo <zhongbos@codeaurora.org>
parent 394ec00f

include/trace/events/msm_vidc_events.h

+34 −1
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

/*

 * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 */

#undef TRACE_SYSTEM

#define TRACE_SYSTEM msm_vidc_events
@@ -335,6 +335,39 @@ DEFINE_EVENT(msm_vidc_perf, msm_vidc_perf_bus_vote, 
	TP_ARGS(governor_mode, ab)

);



#define MAX_TRACER_LOG_LENGTH 128



DECLARE_EVENT_CLASS(msm_v4l2_vidc_log,



	TP_PROTO(char *dummy, int length),



	TP_ARGS(dummy, length),



	TP_STRUCT__entry(

		__array(char, dummy, MAX_TRACER_LOG_LENGTH)

		__field(int, length)

	),



	TP_fast_assign(

		__entry->length = length < MAX_TRACER_LOG_LENGTH ?

						length  : MAX_TRACER_LOG_LENGTH;

		__entry->dummy[0] = '\0';

		if (__entry->length > 0) {

			memcpy(__entry->dummy, dummy, __entry->length);

			if (__entry->dummy[__entry->length - 1] == '\n')

				__entry->dummy[__entry->length - 1] = '\0';

		}

	),



	TP_printk("%s", __entry->dummy)

);



DEFINE_EVENT(msm_v4l2_vidc_log, msm_vidc_printf,



	TP_PROTO(char *dummy, int length),



	TP_ARGS(dummy, length)

);

#endif



#include <trace/define_trace.h>