diff options
author | Alyssa Rosenzweig <[email protected]> | 2019-07-08 16:42:29 -0700 |
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committer | Alyssa Rosenzweig <[email protected]> | 2019-07-10 06:45:20 -0700 |
commit | 138e40d471900a0b9852b248b95955705502324d (patch) | |
tree | 989191b9acc5d5a4ee9be93bad864aae9e486061 /src/gallium/drivers | |
parent | a2f1a06a5e5260f1deacc9b2669e72b6fd9adbc2 (diff) |
panfrost/midgard: Dump shader-db stats
All the kool kids are doing it.
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r-- | src/gallium/drivers/panfrost/midgard/midgard.h | 1 | ||||
-rw-r--r-- | src/gallium/drivers/panfrost/midgard/midgard_compile.c | 39 |
2 files changed, 40 insertions, 0 deletions
diff --git a/src/gallium/drivers/panfrost/midgard/midgard.h b/src/gallium/drivers/panfrost/midgard/midgard.h index d632063e8a4..ab10b9b8cb1 100644 --- a/src/gallium/drivers/panfrost/midgard/midgard.h +++ b/src/gallium/drivers/panfrost/midgard/midgard.h @@ -33,6 +33,7 @@ #define MIDGARD_DBG_MSGS 0x0001 #define MIDGARD_DBG_SHADERS 0x0002 +#define MIDGARD_DBG_SHADERDB 0x0004 extern int midgard_debug; diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c index 9c86f19fd06..43f451c79db 100644 --- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c +++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c @@ -54,11 +54,14 @@ static const struct debug_named_value debug_options[] = { {"msgs", MIDGARD_DBG_MSGS, "Print debug messages"}, {"shaders", MIDGARD_DBG_SHADERS, "Dump shaders in NIR and MIR"}, + {"shaderdb", MIDGARD_DBG_SHADERDB, "Prints shader-db statistics"}, DEBUG_NAMED_VALUE_END }; DEBUG_GET_ONCE_FLAGS_OPTION(midgard_debug, "MIDGARD_MESA_DEBUG", debug_options, 0) +unsigned SHADER_DB_COUNT = 0; + int midgard_debug = 0; #define DBG(fmt, ...) \ @@ -2852,5 +2855,41 @@ midgard_compile_shader_nir(nir_shader *nir, midgard_program *program, bool is_bl if (midgard_debug & MIDGARD_DBG_SHADERS) disassemble_midgard(program->compiled.data, program->compiled.size); + if (midgard_debug & MIDGARD_DBG_SHADERDB) { + unsigned nr_bundles = 0, nr_ins = 0; + + /* Count instructions and bundles */ + + mir_foreach_instr_global(ctx, ins) { + nr_ins++; + } + + mir_foreach_block(ctx, block) { + nr_bundles += util_dynarray_num_elements( + &block->bundles, midgard_bundle); + } + + /* Calculate thread count. There are certain cutoffs by + * register count for thread count */ + + unsigned nr_registers = program->work_register_count; + + unsigned nr_threads = + (nr_registers <= 4) ? 4 : + (nr_registers <= 8) ? 2 : + 1; + + /* Dump stats */ + + fprintf(stderr, "shader%d - %s shader: " + "%u inst, %u bundles, " + "%u registers, %u threads, 0 loops\n", + SHADER_DB_COUNT++, + gl_shader_stage_name(ctx->stage), + nr_ins, nr_bundles, + nr_registers, nr_threads); + } + + return 0; } |