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msm: kgsl: Add timeline traces

Browse source 
Add some traces to make it easier to debug and track timeline behavior.

Change-Id: Ic0dedbadbfe623c675616a0d2fdd800b49f14705
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
This commit is contained in:
Jordan Crouse 2020-08-05 17:11:28 -06:00
commit 70461f8b85
4 changed files with 194 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/gpu/msm/kgsl.c
View file

@ -1904,6 +1904,9 @@ long kgsl_ioctl_gpu_aux_command(struct kgsl_device_private *dev_priv,
return -ENOMEM;
}
trace_kgsl_aux_command(context->id, param->numcmds, param->flags,
param->timestamp);
if (param->flags & KGSL_GPU_AUX_COMMAND_SYNC) {
struct kgsl_drawobj_sync *syncobj =
kgsl_drawobj_sync_create(device, context);

1
drivers/gpu/msm/kgsl_drawobj.c
View file

@ -910,6 +910,7 @@ int kgsl_drawobj_add_timeline(struct kgsl_device_private *dev_priv,
goto err;
}
trace_kgsl_drawobj_timeline(val.timeline, val.seqno);
timelineobj->timelines[i].seqno = val.seqno;
}

13
drivers/gpu/msm/kgsl_timeline.c
View file

@ -13,6 +13,7 @@
#include "kgsl_device.h"
#include "kgsl_sharedmem.h"
#include "kgsl_timeline.h"
#include "kgsl_trace.h"
static DEFINE_SPINLOCK(fence_lock);
@ -102,6 +103,8 @@ void kgsl_timeline_destroy(struct kref *kref)
WARN_ON(!list_empty(&timeline->fences));
trace_kgsl_timeline_destroy(timeline->id);
kfree(timeline);
}
@ -142,6 +145,8 @@ static struct kgsl_timeline *kgsl_timeline_alloc(struct kgsl_device *device,
snprintf((char *) timeline->name, sizeof(timeline->name),
"kgsl-sw-timeline-%d", id);
trace_kgsl_timeline_alloc(id, initial);
spin_lock_init(&timeline->lock);
kref_init(&timeline->ref);
@ -173,6 +178,8 @@ static void timeline_fence_release(struct dma_fence *fence)
}
spin_unlock_irqrestore(&fence_lock, flags);
trace_kgsl_timeline_fence_release(f->timeline->id, fence->seqno);
kgsl_timeline_put(f->timeline);
dma_fence_free(fence);
}
@ -245,6 +252,8 @@ void kgsl_timeline_signal(struct kgsl_timeline *timeline, u64 seqno)
if (seqno < timeline->value)
goto unlock;
trace_kgsl_timeline_signal(timeline->id, seqno);
timeline->value = seqno;
/* Copy the list out so we can walk it without holding the lock */
@ -288,6 +297,8 @@ struct dma_fence *kgsl_timeline_fence_alloc(struct kgsl_timeline *timeline,
if (!dma_fence_is_signaled(&fence->base))
kgsl_timeline_add_fence(timeline, fence);
trace_kgsl_timeline_fence_alloc(timeline->id, seqno);
return &fence->base;
}
@ -345,6 +356,8 @@ long kgsl_ioctl_timeline_wait(struct kgsl_device_private *dev_priv,
timeout = msecs_to_jiffies(ktime_to_ms(time));
}
trace_kgsl_timeline_wait(param->flags, param->tv_sec, param->tv_nsec);
/* secs.nsecs to jiffies */
if (!timeout)
ret = dma_fence_is_signaled(fence) ? 0 : -EBUSY;

177
drivers/gpu/msm/kgsl_trace.h
View file

@ -1159,6 +1159,183 @@ TRACE_EVENT(kgsl_opp_notify,
__entry->min_freq, __entry->max_freq
)
);
TRACE_EVENT(kgsl_timeline_alloc,
TP_PROTO(
u32 id,
u64 seqno
),
TP_ARGS(
id,
seqno
),
TP_STRUCT__entry(
__field(u32, id)
__field(u64, seqno)
),
TP_fast_assign(
__entry->id = id;
__entry->seqno = seqno;
),
TP_printk("id=%u initial=%llu",
__entry->id, __entry->seqno
)
);
TRACE_EVENT(kgsl_timeline_destroy,
TP_PROTO(
u32 id
),
TP_ARGS(
id
),
TP_STRUCT__entry(
__field(u32, id)
),
TP_fast_assign(
__entry->id = id;
),
TP_printk("id=%u",
__entry->id
)
);
TRACE_EVENT(kgsl_timeline_signal,
TP_PROTO(
u32 id,
u64 seqno
),
TP_ARGS(
id,
seqno
),
TP_STRUCT__entry(
__field(u32, id)
__field(u64, seqno)
),
TP_fast_assign(
__entry->id = id;
__entry->seqno = seqno;
),
TP_printk("id=%u seqno=%llu",
__entry->id, __entry->seqno
)
);
TRACE_EVENT(kgsl_timeline_fence_alloc,
TP_PROTO(
u32 timeline,
u64 seqno
),
TP_ARGS(
timeline,
seqno
),
TP_STRUCT__entry(
__field(u32, timeline)
__field(u64, seqno)
),
TP_fast_assign(
__entry->timeline = timeline;
__entry->seqno = seqno;
),
TP_printk("timeline=%u seqno=%llu",
__entry->timeline, __entry->seqno
)
);
TRACE_EVENT(kgsl_timeline_fence_release,
TP_PROTO(
u32 timeline,
u64 seqno
),
TP_ARGS(
timeline,
seqno
),
TP_STRUCT__entry(
__field(u32, timeline)
__field(u64, seqno)
),
TP_fast_assign(
__entry->timeline = timeline;
__entry->seqno = seqno;
),
TP_printk("timeline=%u seqno=%llu",
__entry->timeline, __entry->seqno
)
);
TRACE_EVENT(kgsl_timeline_wait,
TP_PROTO(
u32 flags,
s64 tv_sec,
s64 tv_nsec
),
TP_ARGS(
flags,
tv_sec,
tv_nsec
),
TP_STRUCT__entry(
__field(u32, flags)
__field(s64, tv_sec)
__field(s64, tv_nsec)
),
TP_fast_assign(
__entry->flags = flags;
__entry->tv_sec = tv_sec;
__entry->tv_nsec = tv_nsec;
),
TP_printk("flags=0x%x tv_sec=%llu tv_nsec=%llu",
__entry->flags, __entry->tv_sec, __entry->tv_nsec
)
);
TRACE_EVENT(kgsl_aux_command,
TP_PROTO(u32 drawctxt_id, u32 numcmds, u32 flags, u32 timestamp
),
TP_ARGS(drawctxt_id, numcmds, flags, timestamp
),
TP_STRUCT__entry(
__field(u32, drawctxt_id)
__field(u32, numcmds)
__field(u32, flags)
__field(u32, timestamp)
),
TP_fast_assign(
__entry->drawctxt_id = drawctxt_id;
__entry->numcmds = numcmds;
__entry->flags = flags;
__entry->timestamp = timestamp;
),
TP_printk("context=%u numcmds=%u flags=0x%x timestamp=%u",
__entry->drawctxt_id, __entry->numcmds, __entry->flags,
__entry->timestamp
)
);
TRACE_EVENT(kgsl_drawobj_timeline,
TP_PROTO(u32 timeline, u64 seqno
),
TP_ARGS(timeline, seqno
),
TP_STRUCT__entry(
__field(u32, timeline)
__field(u64, seqno)
),
TP_fast_assign(
__entry->timeline = timeline;
__entry->seqno = seqno;
),
TP_printk("timeline=%u seqno=%llu",
__entry->timeline, __entry->seqno
)
);
#endif /* _KGSL_TRACE_H */
/* This part must be outside protection */