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/*
* Copyright (C) 2019 Intel Corporation
*
* 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, sublicense, 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 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 NONINFRINGEMENT. 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.
*/
#ifndef PERF_DATA_READER_H
#define PERF_DATA_READER_H
#ifdef __cplusplus
extern "C" {
#endif
/* Helper to read a i915-perf recording. */
#include <stdbool.h>
#include <stdint.h>
#include "perf.h"
#include "perf_data.h"
struct intel_perf_timeline_item {
uint64_t ts_start;
uint64_t ts_end;
uint64_t cpu_ts_start;
uint64_t cpu_ts_end;
/* Offsets into intel_perf_data_reader.records */
uint32_t record_start;
uint32_t record_end;
uint32_t hw_id;
/* User associated data with a given item on the i915 perf
* timeline.
*/
void *user_data;
};
struct intel_perf_data_reader {
/* Array of pointers into the mmapped i915 perf file. */
const struct drm_i915_perf_record_header **records;
uint32_t n_records;
uint32_t n_allocated_records;
/**/
struct intel_perf_timeline_item *timelines;
uint32_t n_timelines;
uint32_t n_allocated_timelines;
/**/
const struct intel_perf_record_timestamp_correlation **correlations;
uint32_t n_correlations;
uint32_t n_allocated_correlations;
struct {
uint64_t gpu_ts_begin;
uint64_t gpu_ts_end;
uint32_t idx;
} correlation_chunks[4];
uint32_t n_correlation_chunks;
const char *metric_set_uuid;
const char *metric_set_name;
struct intel_perf_devinfo devinfo;
struct intel_perf *perf;
struct intel_perf_metric_set *metric_set;
char error_msg[256];
/**/
const void *record_info;
const void *record_topology;
const uint8_t *mmap_data;
size_t mmap_size;
};
bool intel_perf_data_reader_init(struct intel_perf_data_reader *reader,
int perf_file_fd);
void intel_perf_data_reader_fini(struct intel_perf_data_reader *reader);
#ifdef __cplusplus
};
#endif
#endif /* PERF_DATA_READER_H */
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