evie/android_kernel_oneplus_msm8998
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msm: kgsl: Add a trace event for the GPU clock

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If requested, trace the GPU time to ensure
a useful mapping regardless of the chosen
trace clock.

Change-Id: I76a893975de9a278c8178f935991191354f29e2f
Signed-off-by: Jonathan Wicks <jwicks@codeaurora.org>
This commit is contained in:
Jonathan Wicks 2017-07-31 20:31:06 -06:00
parent 03f28c162d
commit e18cd5657a
2 changed files with 30 additions and 2 deletions
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7
drivers/gpu/msm/adreno_ringbuffer.c
View file

@ -26,6 +26,7 @@
#include "adreno_iommu.h" #include "adreno_iommu.h"
#include "adreno_pm4types.h" #include "adreno_pm4types.h"
#include "adreno_ringbuffer.h" #include "adreno_ringbuffer.h"
#include "adreno_trace.h"
#include "a3xx_reg.h" #include "a3xx_reg.h"
#include "adreno_a5xx.h" #include "adreno_a5xx.h"
@ -58,6 +59,7 @@ static void _cff_write_ringbuffer(struct adreno_ringbuffer *rb)
} }
static void adreno_get_submit_time(struct adreno_device *adreno_dev, static void adreno_get_submit_time(struct adreno_device *adreno_dev,
struct adreno_ringbuffer *rb,
struct adreno_submit_time *time) struct adreno_submit_time *time)
{ {
unsigned long flags; unsigned long flags;
@ -87,6 +89,9 @@ static void adreno_get_submit_time(struct adreno_device *adreno_dev,
} else } else
time->ticks = 0; time->ticks = 0;
/* Trace the GPU time to create a mapping to ftrace time */
trace_adreno_cmdbatch_sync(rb->drawctxt_active, time->ticks);
/* Get the kernel clock for time since boot */ /* Get the kernel clock for time since boot */
time->ktime = local_clock(); time->ktime = local_clock();
@ -128,7 +133,7 @@ void adreno_ringbuffer_submit(struct adreno_ringbuffer *rb,
_cff_write_ringbuffer(rb); _cff_write_ringbuffer(rb);
if (time != NULL) if (time != NULL)
adreno_get_submit_time(adreno_dev, time); adreno_get_submit_time(adreno_dev, rb, time);
adreno_ringbuffer_wptr(adreno_dev, rb); adreno_ringbuffer_wptr(adreno_dev, rb);
} }

25
drivers/gpu/msm/adreno_trace.h
View file

@ -1,4 +1,4 @@
/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved. /* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License version 2 and
@ -148,6 +148,29 @@ TRACE_EVENT(adreno_cmdbatch_retired,
) )
); );
TRACE_EVENT(adreno_cmdbatch_sync,
TP_PROTO(struct adreno_context *drawctxt,
uint64_t ticks),
TP_ARGS(drawctxt, ticks),
TP_STRUCT__entry(
__field(unsigned int, id)
__field(unsigned int, timestamp)
__field(uint64_t, ticks)
__field(int, prio)
),
TP_fast_assign(
__entry->id = drawctxt->base.id;
__entry->timestamp = drawctxt->timestamp;
__entry->ticks = ticks;
__entry->prio = drawctxt->base.priority;
),
TP_printk(
"ctx=%u ctx_prio=%d ts=%u ticks=%lld",
__entry->id, __entry->prio, __entry->timestamp,
__entry->ticks
)
);
TRACE_EVENT(adreno_cmdbatch_fault, TRACE_EVENT(adreno_cmdbatch_fault,
TP_PROTO(struct kgsl_drawobj_cmd *cmdobj, unsigned int fault), TP_PROTO(struct kgsl_drawobj_cmd *cmdobj, unsigned int fault),
TP_ARGS(cmdobj, fault), TP_ARGS(cmdobj, fault),