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/*
* Copyright (c) 2017 Etnaviv Project
* Copyright (C) 2017 Zodiac Inflight Innovations
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
* Christian Gmeiner <christian.gmeiner@gmail.com>
*/
#include "util/u_memory.h"
#include "etnaviv_context.h"
#include "etnaviv_debug.h"
#include "etnaviv_emit.h"
#include "etnaviv_query_acc.h"
struct etna_pm_query
{
struct etna_acc_query base;
struct etna_perfmon_signal *signal;
unsigned sequence;
};
static inline struct etna_pm_query *
etna_pm_query(struct etna_acc_query *aq)
{
return (struct etna_pm_query *)aq;
}
static inline void
pm_add_signal(struct etna_pm_query *pq, struct etna_perfmon *perfmon,
const struct etna_perfmon_config *cfg)
{
struct etna_perfmon_signal *signal = etna_pm_query_signal(perfmon, cfg->source);
pq->signal = signal;
}
static void
pm_query(struct etna_context *ctx, struct etna_acc_query *aq, unsigned flags)
{
struct etna_cmd_stream *stream = ctx->stream;
struct etna_pm_query *pq = etna_pm_query(aq);
unsigned offset;
assert(flags);
if (aq->samples > 127) {
aq->samples = 127;
BUG("samples overflow perfmon");
}
/* offset 0 is reserved for seq number */
offset = 1 + aq->samples;
pq->sequence++;
/* skip seq number of 0 as the buffer got zeroed out */
pq->sequence = MAX2(pq->sequence, 1);
struct etna_perf p = {
.flags = flags,
.sequence = pq->sequence,
.bo = etna_resource(aq->prsc)->bo,
.signal = pq->signal,
.offset = offset
};
etna_cmd_stream_perf(stream, &p);
resource_written(ctx, aq->prsc);
/* force a flush in !wait case in etna_acc_get_query_result(..) */
aq->no_wait_cnt = 10;
}
static bool
perfmon_supports(unsigned query_type)
{
return !!etna_pm_query_config(query_type);
}
static struct etna_acc_query *
perfmon_allocate(struct etna_context *ctx, unsigned query_type)
{
struct etna_pm_query *pq;
const struct etna_perfmon_config *cfg;
cfg = etna_pm_query_config(query_type);
if (!cfg)
return false;
if (!etna_pm_cfg_supported(ctx->screen->perfmon, cfg))
return false;
pq = CALLOC_STRUCT(etna_pm_query);
if (!pq)
return NULL;
pm_add_signal(pq, ctx->screen->perfmon, cfg);
return &pq->base;
}
static void
perfmon_resume(struct etna_acc_query *aq, struct etna_context *ctx)
{
pm_query(ctx, aq, ETNA_PM_PROCESS_PRE);
}
static void
perfmon_suspend(struct etna_acc_query *aq, struct etna_context *ctx)
{
pm_query(ctx, aq, ETNA_PM_PROCESS_POST);
}
static bool
perfmon_result(struct etna_acc_query *aq, void *buf,
union pipe_query_result *result)
{
const struct etna_pm_query *pq = etna_pm_query(aq);
uint32_t sum = 0;
uint32_t *ptr = (uint32_t *)buf;
/* check seq number */
if (pq->sequence > ptr[0])
return false;
/* jump over seq number */
ptr++;
assert(aq->samples % 2 == 0);
/* each pair has a start and end value */
for (unsigned i = 0; i < aq->samples; i += 2)
sum += *(ptr + i + 1) - *(ptr + i);
result->u32 = sum;
return true;
}
const struct etna_acc_sample_provider perfmon_provider = {
.supports = perfmon_supports,
.allocate = perfmon_allocate,
.resume = perfmon_resume,
.suspend = perfmon_suspend,
.result = perfmon_result,
};
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