53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
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// Copyright 2021 The ChromiumOS Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef VM_TOOLS_SOMMELIER_SOMMELIER_TIMING_H_
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#define VM_TOOLS_SOMMELIER_SOMMELIER_TIMING_H_
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#include <stdint.h>
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#include <time.h>
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const int kUnknownBufferId = -1;
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const int kUnknownSurfaceId = -1;
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class Timing {
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public:
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explicit Timing(const char* fname) : filename(fname) {}
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void RecordStartTime();
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void UpdateLastAttach(int surface_id, int buffer_id);
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void UpdateLastCommit(int surface_id);
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void UpdateLastRelease(int buffer_id);
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void OutputLog();
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private:
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// 10 min * 60 sec/min * 60 frames/sec * 3 actions/frame = 108000 actions
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static const int kMaxNumActions = 10 * 60 * 60 * 3;
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struct BufferAction {
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enum Type { UNKNOWN, ATTACH, COMMIT, RELEASE };
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int64_t delta_time;
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int surface_id;
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int buffer_id;
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Type action_type;
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BufferAction()
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: surface_id(kUnknownSurfaceId),
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buffer_id(kUnknownBufferId),
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action_type(UNKNOWN) {}
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explicit BufferAction(int64_t dt,
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int sid = kUnknownSurfaceId,
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int bid = kUnknownBufferId,
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Type type = UNKNOWN)
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: delta_time(dt), surface_id(sid), buffer_id(bid), action_type(type) {}
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};
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BufferAction actions[kMaxNumActions];
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int event_id = 0;
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int saves = 0;
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const char* filename;
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timespec last_event;
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int64_t GetTime();
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}; // class Timing
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#endif // VM_TOOLS_SOMMELIER_SOMMELIER_TIMING_H_
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