0d77fecfb5
This change is a merge of the following changes: 1. Remove MultipleSessions (go/wvgerrit/16763) 2. Increase Memory Budget (go/wvgerrit/16764) 3. Fixing Possible Integer Overflow (go/wvgerrit/16765) 4. Creating Call Table (go/wvgerrit/16766) 5. Creating Call History (go/wvgerrit/16767) 6. Connecting Profiled Scope (go/wvgerrit/16768) 7. Adding Call Table Version Number (go/wvgerrit/16780) 8. Add Version Number to Call History (go/wvgerrit/16781) bug: 27157796 Change-Id: Ia3f088a1714f3f5b426fee6141daa4ea8d832cf4
50 lines
923 B
C++
50 lines
923 B
C++
// Copyright 2016 Google Inc. All Rights Reserved.
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#ifndef WVCDM_CALL_HISTORY_H_
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#define WVCDM_CALL_HISTORY_H_
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#include <stdint.h>
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#include <vector>
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#include "circular_buffer.h"
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#include "oem_functions.h"
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namespace wvcdm {
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namespace oemprofiler {
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class CallHistory {
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public:
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CallHistory();
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void Write(
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OEM_FUNCTION fid,
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uint64_t start_time,
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uint64_t end_time,
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const uint8_t* meta_data,
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size_t meta_data_length);
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void Read(std::vector<uint8_t>& output) const;
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private:
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CircularBuffer buffer_;
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uint64_t time_at_head_;
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uint64_t time_at_tail_;
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bool RequestSpace(uint8_t num_bytes);
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bool ReadNextEntryRealEndTime(uint64_t* output);
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bool DropLastEntry();
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// Read a variable length value. This is the read that matches
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// EntryWriter's WriteVLV.
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int ReadVLV(size_t offset, uint64_t* output) const;
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};
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} // namespace oemprofiler
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} // namespace wvcdm
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#endif
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