diff options
| author | Jonathan Wicks <jwicks@codeaurora.org> | 2017-07-31 20:31:06 -0600 |
|---|---|---|
| committer | Jonathan Wicks <jwicks@codeaurora.org> | 2017-08-02 11:13:31 -0600 |
| commit | e18cd5657a6d306a4599db7c9daebcdf82331251 (patch) | |
| tree | 23fe2e692f4187dc9ff33831d3337a55c768b9b0 | |
| parent | 03f28c162d00d96731e730e0f171c3f0e182c44d (diff) | |
msm: kgsl: Add a trace event for the GPU clock
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>
| -rw-r--r-- | drivers/gpu/msm/adreno_ringbuffer.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/msm/adreno_trace.h | 25 |
2 files changed, 30 insertions, 2 deletions
diff --git a/drivers/gpu/msm/adreno_ringbuffer.c b/drivers/gpu/msm/adreno_ringbuffer.c index d79d9613043f..ddc53edce3c1 100644 --- a/drivers/gpu/msm/adreno_ringbuffer.c +++ b/drivers/gpu/msm/adreno_ringbuffer.c @@ -26,6 +26,7 @@ #include "adreno_iommu.h" #include "adreno_pm4types.h" #include "adreno_ringbuffer.h" +#include "adreno_trace.h" #include "a3xx_reg.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, + struct adreno_ringbuffer *rb, struct adreno_submit_time *time) { unsigned long flags; @@ -87,6 +89,9 @@ static void adreno_get_submit_time(struct adreno_device *adreno_dev, } else 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 */ time->ktime = local_clock(); @@ -128,7 +133,7 @@ void adreno_ringbuffer_submit(struct adreno_ringbuffer *rb, _cff_write_ringbuffer(rb); if (time != NULL) - adreno_get_submit_time(adreno_dev, time); + adreno_get_submit_time(adreno_dev, rb, time); adreno_ringbuffer_wptr(adreno_dev, rb); } diff --git a/drivers/gpu/msm/adreno_trace.h b/drivers/gpu/msm/adreno_trace.h index 16ca0980cfbe..74c4c4e6e1fa 100644 --- a/drivers/gpu/msm/adreno_trace.h +++ b/drivers/gpu/msm/adreno_trace.h @@ -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 * 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, TP_PROTO(struct kgsl_drawobj_cmd *cmdobj, unsigned int fault), TP_ARGS(cmdobj, fault), |