Merge "msm: rtb: Add timestamp to rtb logging"

/*

 * Copyright (c) 2013, The Linux Foundation. All rights reserved.

 * Copyright (c) 2013-2014, 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

#define RTB_COMPAT_STR	"qcom,msm-rtb"

/* Write

 * 1) 11 bytes sentinel

 * 1) 3 bytes sentinel

 * 2) 1 bytes of log type

 * 3) 8 bytes of where the caller came from

 * 4) 4 bytes index

 * 4) 8 bytes extra data from the caller

 * 5) 8 bytes of timestamp

 *

 * Total = 32 bytes.

 */

struct msm_rtb_layout {

	unsigned char sentinel[11];

	unsigned char sentinel[3];

	unsigned char log_type;

	uint32_t idx;

	uint64_t caller;

	uint64_t data;

	uint64_t timestamp;

} __attribute__ ((__packed__));

	start->data = data;

}

static void msm_rtb_write_timestamp(struct msm_rtb_layout *start)

{

	start->timestamp = sched_clock();

}

static void uncached_logk_pc_idx(enum logk_event_type log_type, uint64_t caller,

				 uint64_t data, int idx)

{

	msm_rtb_write_caller(caller, start);

	msm_rtb_write_idx(idx, start);

	msm_rtb_write_data(data, start);

	msm_rtb_write_timestamp(start);

	mb();

	return;