[Mesa-dev] [PATCH 5/6] radeonsi: print CE IBs into ddebug reports

Marek Olšák maraeo at gmail.com
Mon Jul 31 22:43:37 UTC 2017


From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/r600/r600_hw_context.c    |  2 +-
 src/gallium/drivers/radeon/r600_pipe_common.c |  7 +++++--
 src/gallium/drivers/radeon/r600_pipe_common.h |  2 +-
 src/gallium/drivers/radeonsi/si_debug.c       | 14 ++++++++++++--
 src/gallium/drivers/radeonsi/si_hw_context.c  | 10 ++++++----
 src/gallium/drivers/radeonsi/si_pipe.h        |  1 +
 src/gallium/drivers/radeonsi/si_state_draw.c  | 15 +++++++++++++++
 7 files changed, 41 insertions(+), 10 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c
index ca7f41d..a821c35 100644
--- a/src/gallium/drivers/r600/r600_hw_context.c
+++ b/src/gallium/drivers/r600/r600_hw_context.c
@@ -277,21 +277,21 @@ void r600_context_gfx_flush(void *context, unsigned flags,
 	if (ctx->trace_buf)
 		eg_trace_emit(ctx);
 	/* old kernels and userspace don't set SX_MISC, so we must reset it to 0 here */
 	if (ctx->b.chip_class == R600) {
 		radeon_set_context_reg(cs, R_028350_SX_MISC, 0);
 	}
 
 	if (ctx->is_debug) {
 		/* Save the IB for debug contexts. */
 		radeon_clear_saved_cs(&ctx->last_gfx);
-		radeon_save_cs(ws, cs, &ctx->last_gfx);
+		radeon_save_cs(ws, cs, &ctx->last_gfx, true);
 		r600_resource_reference(&ctx->last_trace_buf, ctx->trace_buf);
 		r600_resource_reference(&ctx->trace_buf, NULL);
 	}
 	/* Flush the CS. */
 	ws->cs_flush(cs, flags, &ctx->b.last_gfx_fence);
 	if (fence)
 		ws->fence_reference(fence, ctx->b.last_gfx_fence);
 	ctx->b.num_gfx_cs_flushes++;
 
 	if (ctx->is_debug) {
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
index 8c66cc3..c58048f 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -435,21 +435,21 @@ static void r600_flush_dma_ring(void *ctx, unsigned flags,
 		(rctx->screen->debug_flags & DBG_CHECK_VM) &&
 		rctx->check_vm_faults;
 
 	if (!radeon_emitted(cs, 0)) {
 		if (fence)
 			rctx->ws->fence_reference(fence, rctx->last_sdma_fence);
 		return;
 	}
 
 	if (check_vm)
-		radeon_save_cs(rctx->ws, cs, &saved);
+		radeon_save_cs(rctx->ws, cs, &saved, true);
 
 	rctx->ws->cs_flush(cs, flags, &rctx->last_sdma_fence);
 	if (fence)
 		rctx->ws->fence_reference(fence, rctx->last_sdma_fence);
 
 	if (check_vm) {
 		/* Use conservative timeout 800ms, after which we won't wait any
 		 * longer and assume the GPU is hung.
 		 */
 		rctx->ws->fence_wait(rctx->ws, rctx->last_sdma_fence, 800*1000*1000);
@@ -457,38 +457,41 @@ static void r600_flush_dma_ring(void *ctx, unsigned flags,
 		rctx->check_vm_faults(rctx, &saved, RING_DMA);
 		radeon_clear_saved_cs(&saved);
 	}
 }
 
 /**
  * Store a linearized copy of all chunks of \p cs together with the buffer
  * list in \p saved.
  */
 void radeon_save_cs(struct radeon_winsys *ws, struct radeon_winsys_cs *cs,
-		    struct radeon_saved_cs *saved)
+		    struct radeon_saved_cs *saved, bool get_buffer_list)
 {
 	void *buf;
 	unsigned i;
 
 	/* Save the IB chunks. */
 	saved->num_dw = cs->prev_dw + cs->current.cdw;
 	saved->ib = MALLOC(4 * saved->num_dw);
 	if (!saved->ib)
 		goto oom;
 
 	buf = saved->ib;
 	for (i = 0; i < cs->num_prev; ++i) {
 		memcpy(buf, cs->prev[i].buf, cs->prev[i].cdw * 4);
 		buf += cs->prev[i].cdw;
 	}
 	memcpy(buf, cs->current.buf, cs->current.cdw * 4);
 
+	if (!get_buffer_list)
+		return;
+
 	/* Save the buffer list. */
 	saved->bo_count = ws->cs_get_buffer_list(cs, NULL);
 	saved->bo_list = CALLOC(saved->bo_count,
 				sizeof(saved->bo_list[0]));
 	if (!saved->bo_list) {
 		FREE(saved->ib);
 		goto oom;
 	}
 	ws->cs_get_buffer_list(cs, saved->bo_list);
 
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index 4839c76..b391cbb 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -760,21 +760,21 @@ bool r600_can_dump_shader(struct r600_common_screen *rscreen,
 bool r600_extra_shader_checks(struct r600_common_screen *rscreen,
 			      unsigned processor);
 void r600_screen_clear_buffer(struct r600_common_screen *rscreen, struct pipe_resource *dst,
 			      uint64_t offset, uint64_t size, unsigned value);
 struct pipe_resource *r600_resource_create_common(struct pipe_screen *screen,
 						  const struct pipe_resource *templ);
 const char *r600_get_llvm_processor_name(enum radeon_family family);
 void r600_need_dma_space(struct r600_common_context *ctx, unsigned num_dw,
 			 struct r600_resource *dst, struct r600_resource *src);
 void radeon_save_cs(struct radeon_winsys *ws, struct radeon_winsys_cs *cs,
-		    struct radeon_saved_cs *saved);
+		    struct radeon_saved_cs *saved, bool get_buffer_list);
 void radeon_clear_saved_cs(struct radeon_saved_cs *saved);
 bool r600_check_device_reset(struct r600_common_context *rctx);
 
 /* r600_gpu_load.c */
 void r600_gpu_load_kill_thread(struct r600_common_screen *rscreen);
 uint64_t r600_begin_counter(struct r600_common_screen *rscreen, unsigned type);
 unsigned r600_end_counter(struct r600_common_screen *rscreen, unsigned type,
 			  uint64_t begin);
 
 /* r600_perfcounters.c */
diff --git a/src/gallium/drivers/radeonsi/si_debug.c b/src/gallium/drivers/radeonsi/si_debug.c
index 7c8a0fe..5a6d391 100644
--- a/src/gallium/drivers/radeonsi/si_debug.c
+++ b/src/gallium/drivers/radeonsi/si_debug.c
@@ -213,51 +213,60 @@ static void si_dump_debug_registers(struct si_context *sctx, FILE *f)
 	si_dump_mmapped_reg(sctx, f, R_008218_CP_CPC_STALLED_STAT1);
 	si_dump_mmapped_reg(sctx, f, R_00821C_CP_CPF_STATUS);
 	si_dump_mmapped_reg(sctx, f, R_008220_CP_CPF_BUSY_STAT);
 	si_dump_mmapped_reg(sctx, f, R_008224_CP_CPF_STALLED_STAT1);
 	fprintf(f, "\n");
 }
 
 static void si_dump_last_ib(struct si_context *sctx, FILE *f)
 {
 	int last_trace_id = -1;
+	int last_ce_trace_id = -1;
 
 	if (!sctx->last_gfx.ib)
 		return;
 
 	if (sctx->last_trace_buf) {
 		/* We are expecting that the ddebug pipe has already
 		 * waited for the context, so this buffer should be idle.
 		 * If the GPU is hung, there is no point in waiting for it.
 		 */
 		uint32_t *map = sctx->b.ws->buffer_map(sctx->last_trace_buf->buf,
 						       NULL,
 						       PIPE_TRANSFER_UNSYNCHRONIZED |
 						       PIPE_TRANSFER_READ);
-		if (map)
-			last_trace_id = *map;
+		if (map) {
+			last_trace_id = map[0];
+			last_ce_trace_id = map[1];
+		}
 	}
 
 	if (sctx->init_config)
 		ac_parse_ib(f, sctx->init_config->pm4, sctx->init_config->ndw,
 			    -1, "IB2: Init config", sctx->b.chip_class,
 			    NULL, NULL);
 
 	if (sctx->init_config_gs_rings)
 		ac_parse_ib(f, sctx->init_config_gs_rings->pm4,
 			    sctx->init_config_gs_rings->ndw,
 			    -1, "IB2: Init GS rings", sctx->b.chip_class,
 			    NULL, NULL);
 
 	ac_parse_ib(f, sctx->last_gfx.ib, sctx->last_gfx.num_dw,
 		    last_trace_id, "IB", sctx->b.chip_class,
 		     NULL, NULL);
+
+	if (sctx->last_ce.ib) {
+		ac_parse_ib(f, sctx->last_ce.ib, sctx->last_ce.num_dw,
+			    last_ce_trace_id, "CE IB", sctx->b.chip_class,
+			    NULL, NULL);
+	}
 }
 
 static const char *priority_to_string(enum radeon_bo_priority priority)
 {
 #define ITEM(x) [RADEON_PRIO_##x] = #x
 	static const char *table[64] = {
 		ITEM(FENCE),
 	        ITEM(TRACE),
 	        ITEM(SO_FILLED_SIZE),
 	        ITEM(QUERY),
@@ -838,20 +847,21 @@ static void si_dump_debug_state(struct pipe_context *ctx, FILE *f,
 	}
 
 	if (flags & PIPE_DUMP_LAST_COMMAND_BUFFER) {
 		si_dump_bo_list(sctx, &sctx->last_gfx, f);
 		si_dump_last_ib(sctx, f);
 
 		fprintf(f, "Done.\n");
 
 		/* dump only once */
 		radeon_clear_saved_cs(&sctx->last_gfx);
+		radeon_clear_saved_cs(&sctx->last_ce);
 		r600_resource_reference(&sctx->last_trace_buf, NULL);
 	}
 }
 
 static void si_dump_dma(struct si_context *sctx,
 			struct radeon_saved_cs *saved, FILE *f)
 {
 	static const char ib_name[] = "sDMA IB";
 	unsigned i;
 
diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c
index 92d0cc5..f2dfcc7 100644
--- a/src/gallium/drivers/radeonsi/si_hw_context.c
+++ b/src/gallium/drivers/radeonsi/si_hw_context.c
@@ -138,21 +138,23 @@ void si_context_gfx_flush(void *context, unsigned flags,
 				SI_CONTEXT_INV_VMEM_L1;
 
 	si_emit_cache_flush(ctx);
 
 	if (ctx->trace_buf)
 		si_trace_emit(ctx);
 
 	if (ctx->is_debug) {
 		/* Save the IB for debug contexts. */
 		radeon_clear_saved_cs(&ctx->last_gfx);
-		radeon_save_cs(ws, cs, &ctx->last_gfx);
+		radeon_save_cs(ws, cs, &ctx->last_gfx, true);
+		radeon_clear_saved_cs(&ctx->last_ce);
+		radeon_save_cs(ws, ctx->ce_ib, &ctx->last_ce, false);
 		r600_resource_reference(&ctx->last_trace_buf, ctx->trace_buf);
 		r600_resource_reference(&ctx->trace_buf, NULL);
 	}
 
 	/* Flush the CS. */
 	ws->cs_flush(cs, flags, &ctx->b.last_gfx_fence);
 	if (fence)
 		ws->fence_reference(fence, ctx->b.last_gfx_fence);
 	ctx->b.num_gfx_cs_flushes++;
 
@@ -166,30 +168,30 @@ void si_context_gfx_flush(void *context, unsigned flags,
 		si_check_vm_faults(&ctx->b, &ctx->last_gfx, RING_GFX);
 	}
 
 	si_begin_new_cs(ctx);
 	ctx->gfx_flush_in_progress = false;
 }
 
 void si_begin_new_cs(struct si_context *ctx)
 {
 	if (ctx->is_debug) {
-		uint32_t zero = 0;
+		static const uint32_t zeros[2];
 
 		/* Create a buffer used for writing trace IDs and initialize it to 0. */
 		assert(!ctx->trace_buf);
 		ctx->trace_buf = (struct r600_resource*)
 				 pipe_buffer_create(ctx->b.b.screen, 0,
-						    PIPE_USAGE_STAGING, 4);
+						    PIPE_USAGE_STAGING, 8);
 		if (ctx->trace_buf)
 			pipe_buffer_write_nooverlap(&ctx->b.b, &ctx->trace_buf->b.b,
-						    0, sizeof(zero), &zero);
+						    0, sizeof(zeros), zeros);
 		ctx->trace_id = 0;
 	}
 
 	if (ctx->trace_buf)
 		si_trace_emit(ctx);
 
 	/* Flush read caches at the beginning of CS not flushed by the kernel. */
 	if (ctx->b.chip_class >= CIK)
 		ctx->b.flags |= SI_CONTEXT_INV_SMEM_L1 |
 				SI_CONTEXT_INV_ICACHE;
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index f7e0486..1984299 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -404,20 +404,21 @@ struct si_context {
 	struct si_shader	*last_ls;
 	struct si_shader_selector *last_tcs;
 	int			last_num_tcs_input_cp;
 	int			last_tes_sh_base;
 	bool			last_tess_uses_primid;
 	unsigned		last_num_patches;
 
 	/* Debug state. */
 	bool			is_debug;
 	struct radeon_saved_cs	last_gfx;
+	struct radeon_saved_cs	last_ce;
 	struct r600_resource	*last_trace_buf;
 	struct r600_resource	*trace_buf;
 	unsigned		trace_id;
 	uint64_t		dmesg_timestamp;
 	unsigned		apitrace_call_number;
 
 	/* Other state */
 	bool need_check_render_feedback;
 	bool			decompression_enabled;
 
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index dfe4236..5254645 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -1402,20 +1402,35 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
 		pipe_resource_reference(&indexbuf, NULL);
 }
 
 void si_trace_emit(struct si_context *sctx)
 {
 	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
 
 	sctx->trace_id++;
 	radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, sctx->trace_buf,
 			      RADEON_USAGE_READWRITE, RADEON_PRIO_TRACE);
+
 	radeon_emit(cs, PKT3(PKT3_WRITE_DATA, 3, 0));
 	radeon_emit(cs, S_370_DST_SEL(V_370_MEMORY_SYNC) |
 		    S_370_WR_CONFIRM(1) |
 		    S_370_ENGINE_SEL(V_370_ME));
 	radeon_emit(cs, sctx->trace_buf->gpu_address);
 	radeon_emit(cs, sctx->trace_buf->gpu_address >> 32);
 	radeon_emit(cs, sctx->trace_id);
 	radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
 	radeon_emit(cs, AC_ENCODE_TRACE_POINT(sctx->trace_id));
+
+	if (sctx->ce_ib) {
+		struct radeon_winsys_cs *ce = sctx->ce_ib;
+
+		radeon_emit(ce, PKT3(PKT3_WRITE_DATA, 3, 0));
+		radeon_emit(ce, S_370_DST_SEL(V_370_MEM_ASYNC) |
+			    S_370_WR_CONFIRM(1) |
+			    S_370_ENGINE_SEL(V_370_CE));
+		radeon_emit(ce, sctx->trace_buf->gpu_address + 4);
+		radeon_emit(ce, (sctx->trace_buf->gpu_address + 4) >> 32);
+		radeon_emit(ce, sctx->trace_id);
+		radeon_emit(ce, PKT3(PKT3_NOP, 0, 0));
+		radeon_emit(ce, AC_ENCODE_TRACE_POINT(sctx->trace_id));
+	}
 }
-- 
2.7.4



More information about the mesa-dev mailing list