evie/android_kernel_oneplus_msm8998
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drm/msm: profile submit_time in nanosecond resolution

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The initial version of the patch save the command submit_time and
queue_time in seconds, but its desired by the users of this profiling
API to return the time in nanoseconds resolution.

Change-Id: I3a56e3ffd3ebe86f51a00a12b7c3e7c4b4c9a956
Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
This commit is contained in:
Sharat Masetty 2017-05-15 11:57:05 +05:30
parent c6d1c1699e
commit c22f7e9569
2 changed files with 2 additions and 4 deletions
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2
drivers/gpu/drm/msm/adreno/a5xx_gpu.c
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@ -263,8 +263,6 @@ static int a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
local_irq_restore(flags);
do_div(ktime, NSEC_PER_SEC);
profile_buf->queue_time = ktime;
profile_buf->submit_time = ktime;
}

4
include/uapi/drm/msm_drm.h
View file

@ -221,8 +221,8 @@ struct drm_msm_gem_submit {
};
struct drm_msm_gem_submit_profile_buffer {
__s64 queue_time; /* out, Ringbuffer queue time (seconds) */
__s64 submit_time; /* out, Ringbuffer submission time (seconds) */
__s64 queue_time; /* out, Ringbuffer queue time (nsecs) */
__s64 submit_time; /* out, Ringbuffer submission time (nsecs) */
__u64 ticks_queued; /* out, GPU ticks at ringbuffer submission */
__u64 ticks_submitted; /* out, GPU ticks before cmdstream execution*/
__u64 ticks_retired; /* out, GPU ticks after cmdstream execution */