[Mesa-dev] [PATCH] radv: emit PIPELINESTAT_{START, STOP} events for pipeline stats queries

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Tue Jun 26 10:00:43 UTC 2018


I assume the extra START when doing a stop and then a start
immediately is not a problem?

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

On Fri, Jun 22, 2018 at 7:16 PM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> Ported from RadeonSI.
> This appears to fix some random fails with:
> dEQP-VK.query_pool.statistics_query.*
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_device.c   |  6 ++++--
>  src/amd/vulkan/radv_private.h  |  4 ++++
>  src/amd/vulkan/radv_query.c    | 11 +++++++++++
>  src/amd/vulkan/si_cmd_buffer.c | 10 ++++++++++
>  4 files changed, 29 insertions(+), 2 deletions(-)
>
> diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
> index ffeb6450b3..eb2351702b 100644
> --- a/src/amd/vulkan/radv_device.c
> +++ b/src/amd/vulkan/radv_device.c
> @@ -2238,7 +2238,8 @@ radv_get_preamble_cs(struct radv_queue *queue,
>                                                RADV_CMD_FLAG_INV_ICACHE |
>                                                RADV_CMD_FLAG_INV_SMEM_L1 |
>                                                RADV_CMD_FLAG_INV_VMEM_L1 |
> -                                              RADV_CMD_FLAG_INV_GLOBAL_L2);
> +                                              RADV_CMD_FLAG_INV_GLOBAL_L2 |
> +                                              RADV_CMD_FLAG_START_PIPELINE_STATS);
>                 } else if (i == 1) {
>                         si_cs_emit_cache_flush(cs,
>                                                queue->device->physical_device->rad_info.chip_class,
> @@ -2248,7 +2249,8 @@ radv_get_preamble_cs(struct radv_queue *queue,
>                                                RADV_CMD_FLAG_INV_ICACHE |
>                                                RADV_CMD_FLAG_INV_SMEM_L1 |
>                                                RADV_CMD_FLAG_INV_VMEM_L1 |
> -                                              RADV_CMD_FLAG_INV_GLOBAL_L2);
> +                                              RADV_CMD_FLAG_INV_GLOBAL_L2 |
> +                                              RADV_CMD_FLAG_START_PIPELINE_STATS);
>                 }
>
>                 if (!queue->device->ws->cs_finalize(cs))
> diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
> index c77a8b297f..1faa218722 100644
> --- a/src/amd/vulkan/radv_private.h
> +++ b/src/amd/vulkan/radv_private.h
> @@ -833,6 +833,9 @@ enum radv_cmd_flush_bits {
>         RADV_CMD_FLAG_PS_PARTIAL_FLUSH = 1 << 10,
>         RADV_CMD_FLAG_CS_PARTIAL_FLUSH = 1 << 11,
>         RADV_CMD_FLAG_VGT_FLUSH        = 1 << 12,
> +       /* Pipeline query controls. */
> +       RADV_CMD_FLAG_START_PIPELINE_STATS = 1 << 13,
> +       RADV_CMD_FLAG_STOP_PIPELINE_STATS  = 1 << 14,
>
>         RADV_CMD_FLUSH_AND_INV_FRAMEBUFFER = (RADV_CMD_FLAG_FLUSH_AND_INV_CB |
>                                               RADV_CMD_FLAG_FLUSH_AND_INV_CB_META |
> @@ -966,6 +969,7 @@ struct radv_cmd_state {
>         enum radv_cmd_flush_bits                     flush_bits;
>         unsigned                                     active_occlusion_queries;
>         bool                                         perfect_occlusion_queries_enabled;
> +       unsigned                                     active_pipeline_queries;
>         float                                        offset_scale;
>         uint32_t                                      trace_id;
>         uint32_t                                      last_ia_multi_vgt_param;
> diff --git a/src/amd/vulkan/radv_query.c b/src/amd/vulkan/radv_query.c
> index e1c91630ff..384d75c210 100644
> --- a/src/amd/vulkan/radv_query.c
> +++ b/src/amd/vulkan/radv_query.c
> @@ -1118,6 +1118,12 @@ static void emit_begin_query(struct radv_cmd_buffer *cmd_buffer,
>         case VK_QUERY_TYPE_PIPELINE_STATISTICS:
>                 radeon_check_space(cmd_buffer->device->ws, cs, 4);
>
> +               ++cmd_buffer->state.active_pipeline_queries;
> +               if (cmd_buffer->state.active_pipeline_queries == 1) {
> +                       cmd_buffer->state.flush_bits &= ~RADV_CMD_FLAG_STOP_PIPELINE_STATS;
> +                       cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_START_PIPELINE_STATS;
> +               }
> +
>                 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 2, 0));
>                 radeon_emit(cs, EVENT_TYPE(V_028A90_SAMPLE_PIPELINESTAT) | EVENT_INDEX(2));
>                 radeon_emit(cs, va);
> @@ -1157,6 +1163,11 @@ static void emit_end_query(struct radv_cmd_buffer *cmd_buffer,
>         case VK_QUERY_TYPE_PIPELINE_STATISTICS:
>                 radeon_check_space(cmd_buffer->device->ws, cs, 16);
>
> +               cmd_buffer->state.active_pipeline_queries--;
> +               if (cmd_buffer->state.active_pipeline_queries == 0) {
> +                       cmd_buffer->state.flush_bits &= ~RADV_CMD_FLAG_START_PIPELINE_STATS;
> +                       cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_STOP_PIPELINE_STATS;
> +               }
>                 va += pipelinestat_block_size;
>
>                 radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 2, 0));
> diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
> index e350bccae3..3491710ad8 100644
> --- a/src/amd/vulkan/si_cmd_buffer.c
> +++ b/src/amd/vulkan/si_cmd_buffer.c
> @@ -937,6 +937,16 @@ si_cs_emit_cache_flush(struct radeon_cmdbuf *cs,
>          */
>         if (cp_coher_cntl)
>                 si_emit_acquire_mem(cs, is_mec, false, chip_class >= GFX9, cp_coher_cntl);
> +
> +       if (flush_bits & RADV_CMD_FLAG_START_PIPELINE_STATS) {
> +               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
> +               radeon_emit(cs, EVENT_TYPE(V_028A90_PIPELINESTAT_START) |
> +                               EVENT_INDEX(0));
> +       } else if (flush_bits & RADV_CMD_FLAG_STOP_PIPELINE_STATS) {
> +               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
> +               radeon_emit(cs, EVENT_TYPE(V_028A90_PIPELINESTAT_STOP) |
> +                               EVENT_INDEX(0));
> +       }
>  }
>
>  void
> --
> 2.17.1
>
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