mirror of https://gitlab.freedesktop.org/mesa/mesa
274 lines
8.9 KiB
C
274 lines
8.9 KiB
C
/*
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* Copyright © 2021 Raspberry Pi Ltd
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/**
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* Gallium query object support for performance counters
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*
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* This contains the performance V3D counters queries.
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*/
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#include "v3d_query.h"
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#include "common/v3d_performance_counters.h"
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struct v3d_query_perfcnt
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{
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struct v3d_query base;
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unsigned num_queries;
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struct v3d_perfmon_state *perfmon;
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};
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static void
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kperfmon_destroy(struct v3d_context *v3d, struct v3d_perfmon_state *perfmon)
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{
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struct drm_v3d_perfmon_destroy destroyreq;
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destroyreq.id = perfmon->kperfmon_id;
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int ret = v3d_ioctl(v3d->fd, DRM_IOCTL_V3D_PERFMON_DESTROY, &destroyreq);
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if (ret != 0)
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fprintf(stderr, "failed to destroy perfmon %d: %s\n",
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perfmon->kperfmon_id, strerror(errno));
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}
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int
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v3dX(get_driver_query_group_info_perfcnt)(struct v3d_screen *screen, unsigned index,
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struct pipe_driver_query_group_info *info)
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{
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if (!screen->has_perfmon)
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return 0;
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if (!info)
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return 1;
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if (index > 0)
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return 0;
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info->name = "V3D counters";
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info->max_active_queries = DRM_V3D_MAX_PERF_COUNTERS;
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info->num_queries = ARRAY_SIZE(v3d_performance_counters);
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return 1;
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}
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int
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v3dX(get_driver_query_info_perfcnt)(struct v3d_screen *screen, unsigned index,
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struct pipe_driver_query_info *info)
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{
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if (!screen->has_perfmon)
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return 0;
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if (!info)
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return ARRAY_SIZE(v3d_performance_counters);
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if (index >= ARRAY_SIZE(v3d_performance_counters))
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return 0;
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info->group_id = 0;
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info->name = v3d_performance_counters[index][V3D_PERFCNT_NAME];
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info->query_type = PIPE_QUERY_DRIVER_SPECIFIC + index;
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info->result_type = PIPE_DRIVER_QUERY_RESULT_TYPE_CUMULATIVE;
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info->type = PIPE_DRIVER_QUERY_TYPE_UINT64;
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info->flags = PIPE_DRIVER_QUERY_FLAG_BATCH;
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return 1;
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}
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static void
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v3d_destroy_query_perfcnt(struct v3d_context *v3d, struct v3d_query *query)
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{
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struct v3d_query_perfcnt *pquery = (struct v3d_query_perfcnt *)query;
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assert(pquery->perfmon);
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if (v3d->active_perfmon == pquery->perfmon) {
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fprintf(stderr, "Query is active; end query before destroying\n");
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return;
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}
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if (pquery->perfmon->kperfmon_id)
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kperfmon_destroy(v3d, pquery->perfmon);
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v3d_fence_unreference(&pquery->perfmon->last_job_fence);
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free(pquery->perfmon);
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free(query);
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}
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static bool
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v3d_begin_query_perfcnt(struct v3d_context *v3d, struct v3d_query *query)
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{
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struct v3d_query_perfcnt *pquery = (struct v3d_query_perfcnt *)query;
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struct drm_v3d_perfmon_create createreq = { 0 };
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int i, ret;
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/* Only one perfmon can be activated per context */
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if (v3d->active_perfmon) {
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fprintf(stderr,
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"Another query is already active; "
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"finish it before starting a new one\n");
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return false;
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}
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assert(pquery->perfmon);
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/* Reset the counters by destroying the previously allocated perfmon */
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if (pquery->perfmon->kperfmon_id)
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kperfmon_destroy(v3d, pquery->perfmon);
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for (i = 0; i < pquery->num_queries; i++)
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createreq.counters[i] = pquery->perfmon->counters[i];
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createreq.ncounters = pquery->num_queries;
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ret = v3d_ioctl(v3d->fd, DRM_IOCTL_V3D_PERFMON_CREATE, &createreq);
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if (ret != 0)
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return false;
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pquery->perfmon->kperfmon_id = createreq.id;
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pquery->perfmon->job_submitted = false;
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v3d_fence_unreference(&pquery->perfmon->last_job_fence);
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/* Ensure all pending jobs are flushed before activating the
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* perfmon
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*/
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v3d_flush((struct pipe_context *)v3d);
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v3d->active_perfmon = pquery->perfmon;
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return true;
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}
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static bool
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v3d_end_query_perfcnt(struct v3d_context *v3d, struct v3d_query *query)
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{
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struct v3d_query_perfcnt *pquery = (struct v3d_query_perfcnt *)query;
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assert(pquery->perfmon);
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if (v3d->active_perfmon != pquery->perfmon) {
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fprintf(stderr, "This query is not active\n");
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return false;
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}
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/* Ensure all pending jobs are flushed before deactivating the
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* perfmon
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*/
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v3d_flush((struct pipe_context *)v3d);
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/* Get a copy of latest submitted job's fence to wait for its
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* completion
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*/
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if (v3d->active_perfmon->job_submitted) {
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int fd = -1;
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drmSyncobjExportSyncFile(v3d->fd, v3d->out_sync, &fd);
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if (fd == -1) {
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fprintf(stderr, "export failed\n");
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v3d->active_perfmon->last_job_fence = NULL;
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} else {
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v3d->active_perfmon->last_job_fence =
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v3d_fence_create(v3d, fd);
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}
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}
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v3d->active_perfmon = NULL;
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return true;
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}
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static bool
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v3d_get_query_result_perfcnt(struct v3d_context *v3d, struct v3d_query *query,
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bool wait, union pipe_query_result *vresult)
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{
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struct v3d_query_perfcnt *pquery = (struct v3d_query_perfcnt *)query;
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struct drm_v3d_perfmon_get_values req = { 0 };
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int i, ret;
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assert(pquery->perfmon);
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if (pquery->perfmon->job_submitted) {
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if (!v3d_fence_wait(v3d->screen,
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pquery->perfmon->last_job_fence,
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wait ? OS_TIMEOUT_INFINITE : 0))
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return false;
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req.id = pquery->perfmon->kperfmon_id;
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req.values_ptr = (uintptr_t)pquery->perfmon->values;
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ret = v3d_ioctl(v3d->fd, DRM_IOCTL_V3D_PERFMON_GET_VALUES, &req);
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if (ret != 0) {
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fprintf(stderr, "Can't request perfmon counters values\n");
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return false;
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}
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}
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for (i = 0; i < pquery->num_queries; i++)
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vresult->batch[i].u64 = pquery->perfmon->values[i];
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return true;
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}
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static const struct v3d_query_funcs perfcnt_query_funcs = {
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.destroy_query = v3d_destroy_query_perfcnt,
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.begin_query = v3d_begin_query_perfcnt,
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.end_query = v3d_end_query_perfcnt,
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.get_query_result = v3d_get_query_result_perfcnt,
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};
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struct pipe_query *
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v3dX(create_batch_query_perfcnt)(struct v3d_context *v3d, unsigned num_queries,
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unsigned *query_types)
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{
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struct v3d_query_perfcnt *pquery = NULL;
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struct v3d_query *query;
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struct v3d_perfmon_state *perfmon = NULL;
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int i;
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/* Validate queries */
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for (i = 0; i < num_queries; i++) {
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if (query_types[i] < PIPE_QUERY_DRIVER_SPECIFIC ||
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query_types[i] >= PIPE_QUERY_DRIVER_SPECIFIC +
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ARRAY_SIZE(v3d_performance_counters)) {
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fprintf(stderr, "Invalid query type\n");
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return NULL;
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}
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}
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pquery = calloc(1, sizeof(*pquery));
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if (!pquery)
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return NULL;
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perfmon = calloc(1, sizeof(*perfmon));
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if (!perfmon) {
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free(pquery);
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return NULL;
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}
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for (i = 0; i < num_queries; i++)
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perfmon->counters[i] = query_types[i] - PIPE_QUERY_DRIVER_SPECIFIC;
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pquery->perfmon = perfmon;
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pquery->num_queries = num_queries;
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query = &pquery->base;
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query->funcs = &perfcnt_query_funcs;
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/* Note that struct pipe_query isn't actually defined anywhere. */
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return (struct pipe_query *)query;
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}
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