1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
//
// Copyright © 2019 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "SendTimelinePacket.hpp"
namespace armnn
{
namespace profiling
{
void SendTimelinePacket::Commit()
{
if (m_WriteBuffer == nullptr)
{
// Can't commit from a null buffer
return;
}
if (!m_DirectoryPackage)
{
// Datalength should be Offset minus the two header words
m_PacketDataLength = m_Offset - m_uint32_t_size * 2;
// Reset offset to prepend header with full packet datalength
m_Offset = 0;
// Add header before commit
m_PacketHeader = CreateTimelinePacketHeader(1,0,1,0,0,m_PacketDataLength);
// Write the timeline binary packet header to the buffer
WriteUint32(m_WriteBuffer->GetWritableData(), m_Offset, m_PacketHeader.first);
m_Offset += m_uint32_t_size;
WriteUint32(m_WriteBuffer->GetWritableData(), m_Offset, m_PacketHeader.second);
m_BufferManager.Commit(m_WriteBuffer, m_PacketDataLength + m_uint32_t_size * 2);
}
else
{
m_DirectoryPackage = false;
m_BufferManager.Commit(m_WriteBuffer, m_Offset);
}
// Commit the message
m_WriteBuffer.reset(nullptr);
// Reset offset to start after prepended header
m_Offset = 8;
m_RemainingBufferSize = 0;
}
void SendTimelinePacket::ReserveBuffer()
{
if (m_WriteBuffer != nullptr)
{
// Buffer already reserved
return;
}
uint32_t reserved = 0;
// Reserve the buffer
m_WriteBuffer = m_BufferManager.Reserve(MAX_METADATA_PACKET_LENGTH, reserved);
// Check if there is enough space in the buffer
if (m_WriteBuffer == nullptr)
{
throw BufferExhaustion("No free buffers left", CHECK_LOCATION());
}
if (reserved < m_Offset)
{
throw BufferExhaustion("Reserved space too small for use", CHECK_LOCATION());
}
if (m_DirectoryPackage)
{
m_RemainingBufferSize = reserved;
return;
}
// Account for the header size which is added at Commit()
m_RemainingBufferSize = reserved - 8;
}
void SendTimelinePacket::SendTimelineEntityBinaryPacket(uint64_t profilingGuid)
{
ForwardWriteBinaryFunction(WriteTimelineEntityBinary,
profilingGuid);
}
void SendTimelinePacket::SendTimelineEventBinaryPacket(uint64_t timestamp,
std::thread::id threadId,
uint64_t profilingGuid)
{
ForwardWriteBinaryFunction(WriteTimelineEventBinary,
timestamp,
threadId,
profilingGuid);
}
void SendTimelinePacket::SendTimelineEventClassBinaryPacket(uint64_t profilingGuid, uint64_t nameGuid)
{
ForwardWriteBinaryFunction(WriteTimelineEventClassBinary,
profilingGuid,
nameGuid);
}
void SendTimelinePacket::SendTimelineLabelBinaryPacket(uint64_t profilingGuid, const std::string& label)
{
ForwardWriteBinaryFunction(WriteTimelineLabelBinaryPacket,
profilingGuid,
label);
}
void SendTimelinePacket::SendTimelineRelationshipBinaryPacket(ProfilingRelationshipType relationshipType,
uint64_t relationshipGuid,
uint64_t headGuid,
uint64_t tailGuid,
uint64_t attributeGuid)
{
ForwardWriteBinaryFunction(WriteTimelineRelationshipBinary,
relationshipType,
relationshipGuid,
headGuid,
tailGuid,
attributeGuid);
}
void SendTimelinePacket::SendTimelineMessageDirectoryPackage()
{
try
{
// Flag to Reserve & Commit() that a DirectoryPackage is being sent
m_DirectoryPackage = true;
// Reserve buffer if it hasn't already been reserved
ReserveBuffer();
// Write to buffer
unsigned int numberOfBytesWritten = 0;
// Offset is initialised to 8
m_Offset = 0;
TimelinePacketStatus result = WriteTimelineMessageDirectoryPackage(&m_WriteBuffer->GetWritableData()[m_Offset],
m_RemainingBufferSize,
numberOfBytesWritten);
if (result != armnn::profiling::TimelinePacketStatus::Ok)
{
throw RuntimeException("Error processing TimelineMessageDirectoryPackage", CHECK_LOCATION());
}
// Commit the message
m_Offset += numberOfBytesWritten;
m_RemainingBufferSize -= numberOfBytesWritten;
Commit();
}
catch (...)
{
throw RuntimeException("Error processing TimelineMessageDirectoryPackage", CHECK_LOCATION());
}
}
} // namespace profiling
} // namespace armnn
|
