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nvc0: add new warp_execution_efficiency metric on SM30+

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Samuel Pitoiset 2016-11-02 23:57:25 +01:00
parent 51fe48660a
commit 524703da58
2 changed files with 24 additions and 0 deletions
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23
src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_metric.c
View file

@ -83,6 +83,12 @@ static const struct nvc0_hw_metric_cfg {
UINT64,
"Average number of replays due to shared memory conflicts for each "
"instruction executed"),
_Q(WARP_EXECUTION_EFFICIENCY,
"metric-warp_execution_efficiency",
PERCENTAGE,
"Ratio of the average active threads per warp to the maximum number of "
"threads per warp supported on a multiprocessor"),
};
#undef _Q
@ -314,6 +320,15 @@ sm30_shared_replay_overhead =
.num_queries = 3,
};
static const struct nvc0_hw_metric_query_cfg
sm30_warp_execution_efficiency =
{
.type = NVC0_HW_METRIC_QUERY_WARP_EXECUTION_EFFICIENCY,
.queries[0] = _SM(INST_EXECUTED),
.queries[1] = _SM(TH_INST_EXECUTED),
.num_queries = 2,
};
static const struct nvc0_hw_metric_query_cfg *sm30_hw_metric_queries[] =
{
&sm20_achieved_occupancy,
@ -326,6 +341,7 @@ static const struct nvc0_hw_metric_query_cfg *sm30_hw_metric_queries[] =
&sm30_issue_slots,
&sm30_issue_slot_utilization,
&sm30_shared_replay_overhead,
&sm30_warp_execution_efficiency,
};
/* ==== Compute capability 3.5 (GK110) ==== */
@ -340,6 +356,7 @@ static const struct nvc0_hw_metric_query_cfg *sm35_hw_metric_queries[] =
&sm30_inst_issued,
&sm30_issue_slot_utilization,
&sm30_shared_replay_overhead,
&sm30_warp_execution_efficiency,
};
#undef _SM
@ -573,6 +590,12 @@ sm30_hw_metric_calc_result(struct nvc0_hw_query *hq, uint64_t res64[8])
if (res64[2])
return (res64[0] + res64[1]) / (double)res64[2];
break;
case NVC0_HW_METRIC_QUERY_WARP_EXECUTION_EFFICIENCY:
/* thread_inst_executed / (inst_executed * max. number of threads per
* wrap) * 100 */
if (res64[0])
return (res64[1] / ((double)res64[0] * 32)) * 100;
break;
default:
debug_printf("invalid metric type: %d\n",
hq->base.type - NVC0_HW_METRIC_QUERY(0));

1
src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_metric.h
View file

@ -32,6 +32,7 @@ enum nvc0_hw_metric_queries
NVC0_HW_METRIC_QUERY_ISSUE_SLOT_UTILIZATION,
NVC0_HW_METRIC_QUERY_IPC,
NVC0_HW_METRIC_QUERY_SHARED_REPLAY_OVERHEAD,
NVC0_HW_METRIC_QUERY_WARP_EXECUTION_EFFICIENCY,
NVC0_HW_METRIC_QUERY_COUNT
};