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/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <stdint.h>
#ifdef __cplusplus
#include <type_traits>
namespace android {
namespace gpuwork {
#endif
typedef struct {
uint32_t gpu_id;
uint32_t uid;
} GpuIdUid;
typedef struct {
// The end time of the previous period where the GPU was active for the UID,
// in nanoseconds.
uint64_t previous_active_end_time_ns;
// The total amount of time the GPU has spent running work for the UID, in
// nanoseconds.
uint64_t total_active_duration_ns;
// The total amount of time of the "gaps" between "continuous" GPU work for
// the UID, in nanoseconds. This is estimated by ignoring large gaps between
// GPU work for this UID.
uint64_t total_inactive_duration_ns;
// The number of errors detected due to |GpuWorkPeriodEvent| events for the
// UID violating the specification in some way. E.g. periods with a zero or
// negative duration.
uint32_t error_count;
} UidTrackingInfo;
typedef struct {
// We cannot query the number of entries in BPF map |gpu_work_map|. We track
// the number of entries (approximately) using a counter so we can check if
// the map is nearly full.
uint64_t num_map_entries;
} GlobalData;
// The maximum number of tracked GPU ID and UID pairs (|GpuIdUid|).
static const uint32_t kMaxTrackedGpuIdUids = 512;
#ifdef __cplusplus
} // namespace gpuwork
} // namespace android
#endif
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