Merge "msm: msm_bus: Log Bus client request transitions" (77780b12) · Commits · e / devices / android_kernel_sony_msm8994

arch/arm/mach-msm/include/mach/trace_msm_bus.h

0 → 100644

+65 −0

Original line number	Diff line number	Diff line
		/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		* only version 2 as published by the Free Software Foundation.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*/

		#undef TRACE_SYSTEM
		#define TRACE_SYSTEM msm_bus

		#if !defined(_TRACE_MSM_BUS_H) \|\| defined(TRACE_HEADER_MULTI_READ)
		#define _TRACE_MSM_BUS_H

		#include <linux/tracepoint.h>

		TRACE_EVENT(bus_update_request,

		TP_PROTO(int sec, int nsec, const char *name, unsigned int index,
		int src, int dest, unsigned long long ab,
		unsigned long long ib),

		TP_ARGS(sec, nsec, name, index, src, dest, ab, ib),

		TP_STRUCT__entry(
		__field(int, sec)
		__field(int, nsec)
		__string(name, name)
		__field(u32, index)
		__field(int, src)
		__field(int, dest)
		__field(u64, ab)
		__field(u64, ib)
		),

		TP_fast_assign(
		__entry->sec = sec;
		__entry->nsec = nsec;
		__assign_str(name, name);
		__entry->index = index;
		__entry->src = src;
		__entry->dest = dest;
		__entry->ab = ab;
		__entry->ib = ib;
		),

		TP_printk("time= %d.%d name=%s index=%u src=%d dest=%d ab=%llu ib=%llu",
		__entry->sec,
		__entry->nsec,
		__get_str(name),
		(unsigned int)__entry->index,
		__entry->src,
		__entry->dest,
		(unsigned long long)__entry->ab,
		(unsigned long long)__entry->ib)
		);
		#endif
		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH mach
		#define TRACE_INCLUDE_FILE trace_msm_bus
		#include <trace/define_trace.h>

drivers/platform/msm/msm_bus/msm_bus_dbg.c

+12 −1

Original line number	Diff line number	Diff line
		/* Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
		/* Copyright (c) 2010-2012, 2014, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -26,6 +26,9 @@
		#include <linux/msm-bus.h>
		#include "msm_bus_core.h"

		#define CREATE_TRACE_POINTS
		#include <mach/trace_msm_bus.h>

		#define MAX_BUFF_SIZE 4096
		#define FILL_LIMIT 128

		@@ -406,6 +409,14 @@ static int msm_bus_dbg_fill_cl_buffer(const struct msm_bus_scale_pdata *pdata,
		pdata->usecase[index].vectors[j].ib);
		i += scnprintf(buf + i, MAX_BUFF_SIZE - i, "\n");

		for (j = 0; j < pdata->usecase->num_paths; j++)
		trace_bus_update_request((int)ts.tv_sec, (int)ts.tv_nsec,
		pdata->name, index,
		pdata->usecase[index].vectors[j].src,
		pdata->usecase[index].vectors[j].dst,
		pdata->usecase[index].vectors[j].ab,
		pdata->usecase[index].vectors[j].ib);

		cldata->size = i;
		return i;
		}