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panfrost: Add lots of perf_debug annotations

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Should make it easier to diagnose performance issues in the future.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19358>
This commit is contained in:
Alyssa Rosenzweig 2022-10-27 17:48:02 -04:00 • committed by Marge Bot
parent 1ff3b87ba2
commit 041f484588
3 changed files with 11 additions and 0 deletions
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8
src/gallium/drivers/panfrost/pan_cmdstream.c
View file

@ -298,6 +298,9 @@ panfrost_get_blend_shaders(struct panfrost_batch *batch,
c, &shader_bo, &shader_offset);
}
}
if (shader_bo)
perf_debug_ctx(batch->ctx, "Blend shader use");
}
#if PAN_ARCH >= 5
@ -3547,6 +3550,8 @@ panfrost_launch_xfb(struct panfrost_batch *batch,
if (count == 0)
return;
perf_debug_ctx(batch->ctx, "Emulating transform feedback");
struct panfrost_shader_state *vs = panfrost_get_shader_state(ctx, PIPE_SHADER_VERTEX);
struct panfrost_shader_variants v = { .variants = vs->xfb };
@ -3800,6 +3805,8 @@ panfrost_indirect_draw(struct panfrost_batch *batch,
struct panfrost_context *ctx = batch->ctx;
struct panfrost_device *dev = pan_device(ctx->base.screen);
perf_debug(dev, "Emulating indirect draw on the GPU");
/* TODO: update statistics (see panfrost_statistics_record()) */
/* TODO: Increment transform feedback offsets */
assert(ctx->streamout.num_targets == 0);
@ -3991,6 +3998,7 @@ panfrost_draw_vbo(struct pipe_context *pipe,
if ((!(dev->debug & PAN_DBG_INDIRECT) || !PAN_GPU_INDIRECTS) && indirect && indirect->buffer) {
assert(num_draws == 1);
util_draw_indirect(pipe, info, indirect);
perf_debug(dev, "Emulating indirect draw on the CPU");
return;
}

1
src/gallium/drivers/panfrost/pan_context.c
View file

@ -78,6 +78,7 @@ panfrost_clear(
/* Once there is content, clear with a fullscreen quad */
panfrost_blitter_save(ctx, false /* render condition */);
perf_debug_ctx(ctx, "Clearing with quad");
util_blitter_clear(ctx->blitter,
ctx->pipe_framebuffer.width,
ctx->pipe_framebuffer.height,

2
src/gallium/drivers/panfrost/pan_resource.c
View file

@ -1401,6 +1401,8 @@ panfrost_generate_mipmap(
{
struct panfrost_resource *rsrc = pan_resource(prsrc);
perf_debug_ctx(pan_context(pctx), "Unoptimized mipmap generation");
/* Generating a mipmap invalidates the written levels, so make that
* explicit so we don't try to wallpaper them back and end up with
* u_blitter recursion */