Module: Mesa
Branch: master
Commit: 435bff34e34dd15c37f7cf5f839b3800314b1ccf
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=435bff34e34dd15c37f7cf5f839b3800314b1ccf

Author: Samuel Pitoiset <[email protected]>
Date:   Fri Feb 26 14:01:19 2021 +0100

ac/rgp: report the number of memory operations per clock

So that RGP reports the memory type and the memory throughput.
Based on AMDVLK.

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9303>

---

 src/amd/common/ac_rgp.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/amd/common/ac_rgp.c b/src/amd/common/ac_rgp.c
index 3b37612c417..9d85e98e4f8 100644
--- a/src/amd/common/ac_rgp.c
+++ b/src/amd/common/ac_rgp.c
@@ -398,6 +398,29 @@ static enum sqtt_memory_type 
ac_vram_type_to_sqtt_memory_type(uint32_t vram_type
    }
 }
 
+static uint32_t ac_memory_ops_per_clock(uint32_t vram_type)
+{
+   switch (vram_type) {
+   case AMDGPU_VRAM_TYPE_UNKNOWN:
+      return 0;
+   case AMDGPU_VRAM_TYPE_DDR2:
+   case AMDGPU_VRAM_TYPE_DDR3:
+   case AMDGPU_VRAM_TYPE_DDR4:
+   case AMDGPU_VRAM_TYPE_HBM:
+      return 2;
+   case AMDGPU_VRAM_TYPE_DDR5:
+   case AMDGPU_VRAM_TYPE_GDDR5:
+      return 4;
+   case AMDGPU_VRAM_TYPE_GDDR6:
+      return 16;
+   case AMDGPU_VRAM_TYPE_GDDR1:
+   case AMDGPU_VRAM_TYPE_GDDR3:
+   case AMDGPU_VRAM_TYPE_GDDR4:
+   default:
+      unreachable("Invalid vram type");
+   }
+}
+
 static void ac_fill_sqtt_asic_info(struct radeon_info *rad_info,
                                    struct sqtt_file_chunk_asic_info *chunk)
 {
@@ -469,7 +492,7 @@ static void ac_fill_sqtt_asic_info(struct radeon_info 
*rad_info,
    chunk->gpu_timestamp_frequency = rad_info->clock_crystal_freq * 1000;
    chunk->max_shader_core_clock = rad_info->max_shader_clock * 1000000;
    chunk->max_memory_clock = rad_info->max_memory_clock * 1000000;
-   chunk->memory_ops_per_clock = 0;
+   chunk->memory_ops_per_clock = ac_memory_ops_per_clock(rad_info->vram_type);
    chunk->memory_chip_type = 
ac_vram_type_to_sqtt_memory_type(rad_info->vram_type);
    chunk->lds_granularity = rad_info->lds_encode_granularity;
 

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