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Commit 8f2a1261 authored by Narendra Muppalla's avatar Narendra Muppalla Committed by Gerrit - the friendly Code Review server
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drm/msm/sde: add kernel trace support for crtc commit 



This change adds kernel tracing support for crtc commit updates.

Change-Id: I39771230f1bbbdcc95aaf6f92af8892f4ecf5ebb
Signed-off-by: default avatarNarendra Muppalla <NarendraM@codeaurora.org>
parent 6a9b4102

drivers/gpu/drm/msm/sde/sde_core_perf.c

+3 −0
Original line number Diff line number Diff line
@@ -482,6 +482,9 @@ void sde_core_perf_crtc_update(struct drm_crtc *crtc, 
		update_bus = 1;

		update_clk = 1;

	}

	trace_sde_perf_crtc_update(crtc->base.id, new->bw_ctl,

				new->core_clk_rate, stop_req,

				update_bus, update_clk);



	if (update_bus)

		_sde_core_perf_crtc_update_bus(kms, crtc);

drivers/gpu/drm/msm/sde/sde_trace.h

+31 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2017, 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
@@ -180,6 +180,36 @@ TRACE_EVENT(sde_evtlog, 
			__entry->tag_id, __entry->value1, __entry->value2)

)



TRACE_EVENT(sde_perf_crtc_update,

	TP_PROTO(u32 crtc, u64 bw_ctl, u32 core_clk_rate,

		bool stop_req, u32 update_bus, u32 update_clk),

	TP_ARGS(crtc, bw_ctl, core_clk_rate,

		stop_req, update_bus, update_clk),

	TP_STRUCT__entry(

			__field(u32, crtc)

			__field(u64, bw_ctl)

			__field(u32, core_clk_rate)

			__field(bool, stop_req)

			__field(u32, update_bus)

			__field(u32, update_clk)

	),

	TP_fast_assign(

			__entry->crtc = crtc;

			__entry->bw_ctl = bw_ctl;

			__entry->core_clk_rate = core_clk_rate;

			__entry->stop_req = stop_req;

			__entry->update_bus = update_bus;

			__entry->update_clk = update_clk;

	),

	 TP_printk("crtc=%d bw=%llu clk_rate=%u stop_req=%d u_bus=%d u_clk=%d",

			 __entry->crtc,

			 __entry->bw_ctl,

			 __entry->core_clk_rate,

			 __entry->stop_req,

			 __entry->update_bus,

			 __entry->update_clk)

);



#define SDE_ATRACE_END(name) trace_sde_mark_write(current->tgid, name, 0)

#define SDE_ATRACE_BEGIN(name) trace_sde_mark_write(current->tgid, name, 1)

#define SDE_ATRACE_FUNC() SDE_ATRACE_BEGIN(__func__)