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freedreno/ir3: add scheduler traces

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Add some infrastructure to trace scheduler decisions.  The next patch
will add some more traces, just splitting this out to reduce clutter.

Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Rob Clark 2019-11-22 11:13:19 -08:00
parent dd34ccb2c5
commit ad92aa36ac
4 changed files with 24 additions and 0 deletions
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3
src/freedreno/ir3/ir3_compiler.c
View file

@ -39,6 +39,9 @@ static const struct debug_named_value shader_debug_options[] = {
{"optmsgs", IR3_DBG_OPTMSGS, "Enable optimizer debug messages"},
{"forces2en", IR3_DBG_FORCES2EN, "Force s2en mode for tex sampler instructions"},
{"nouboopt", IR3_DBG_NOUBOOPT, "Disable lowering UBO to uniform"},
#ifdef DEBUG
{"schedmsgs", IR3_DBG_SCHEDMSGS, "Enable scheduler debug messages"},
#endif
DEBUG_NAMED_VALUE_END
};

1
src/freedreno/ir3/ir3_compiler.h
View file

@ -92,6 +92,7 @@ enum ir3_shader_debug {
IR3_DBG_OPTMSGS = 0x080,
IR3_DBG_FORCES2EN = 0x100,
IR3_DBG_NOUBOOPT = 0x200,
IR3_DBG_SCHEDMSGS = 0x400,
};
extern enum ir3_shader_debug ir3_shader_debug;

1
src/freedreno/ir3/ir3_print.c
View file

@ -73,6 +73,7 @@ static void print_instr_name(struct ir3_instruction *instr, bool flags)
printf("%04u:", instr->name);
printf("%04u:", instr->ip);
printf("%03d:", instr->depth);
printf("%03u: ", instr->use_count);
if (flags) {
printf("\t");

19
src/freedreno/ir3/ir3_sched.c
View file

@ -28,6 +28,21 @@
#include "util/u_math.h"
#include "ir3.h"
#include "ir3_compiler.h"
#ifdef DEBUG
#define SCHED_DEBUG (ir3_shader_debug & IR3_DBG_SCHEDMSGS)
#else
#define SCHED_DEBUG 0
#endif
#define d(fmt, ...) do { if (SCHED_DEBUG) { \
printf("SCHED: "fmt"\n", ##__VA_ARGS__); \
} } while (0)
#define di(instr, fmt, ...) do { if (SCHED_DEBUG) { \
printf("SCHED: "fmt": ", ##__VA_ARGS__); \
ir3_print_instr(instr); \
} } while (0)
/*
* Instruction Scheduling:
@ -214,6 +229,8 @@ schedule(struct ir3_sched_ctx *ctx, struct ir3_instruction *instr)
instr->flags |= IR3_INSTR_MARK;
di(instr, "schedule");
list_addtail(&instr->node, &instr->block->instr_list);
ctx->scheduled = instr;
@ -812,6 +829,8 @@ sched_block(struct ir3_sched_ctx *ctx, struct ir3_block *block)
if (instr) {
unsigned delay = delay_calc(ctx->block, instr, false, false);
d("delay=%u", delay);
/* and if we run out of instructions that can be scheduled,
* then it is time for nop's:
*/