mem_trace.cc (12189:18937fe3cc31) mem_trace.cc (12191:402368e3ca19)
1/*
2 * Copyright (c) 2015 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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39 */
40
41#include "mem/probes/mem_trace.hh"
42
43#include "base/callback.hh"
44#include "base/output.hh"
45#include "params/MemTraceProbe.hh"
46#include "proto/packet.pb.h"
1/*
2 * Copyright (c) 2015 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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39 */
40
41#include "mem/probes/mem_trace.hh"
42
43#include "base/callback.hh"
44#include "base/output.hh"
45#include "params/MemTraceProbe.hh"
46#include "proto/packet.pb.h"
47#include "sim/system.hh"
47
48MemTraceProbe::MemTraceProbe(MemTraceProbeParams *p)
49 : BaseMemProbe(p),
50 traceStream(nullptr),
48
49MemTraceProbe::MemTraceProbe(MemTraceProbeParams *p)
50 : BaseMemProbe(p),
51 traceStream(nullptr),
52 system(p->system),
51 withPC(p->with_pc)
52{
53 std::string filename;
54 if (p->trace_file != "") {
55 // If the trace file is not specified as an absolute path,
56 // append the current simulation output directory
57 filename = simout.resolve(p->trace_file);
58

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67 // Generate a filename from the name of the SimObject. Append .trc
68 // and .gz if we want compression enabled.
69 filename = simout.resolve(name() + ".trc" +
70 (p->trace_compress ? ".gz" : ""));
71 }
72
73 traceStream = new ProtoOutputStream(filename);
74
53 withPC(p->with_pc)
54{
55 std::string filename;
56 if (p->trace_file != "") {
57 // If the trace file is not specified as an absolute path,
58 // append the current simulation output directory
59 filename = simout.resolve(p->trace_file);
60

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69 // Generate a filename from the name of the SimObject. Append .trc
70 // and .gz if we want compression enabled.
71 filename = simout.resolve(name() + ".trc" +
72 (p->trace_compress ? ".gz" : ""));
73 }
74
75 traceStream = new ProtoOutputStream(filename);
76
77 // Register a callback to compensate for the destructor not
78 // being called. The callback forces the stream to flush and
79 // closes the output file.
80 registerExitCallback(
81 new MakeCallback<MemTraceProbe, &MemTraceProbe::closeStreams>(this));
82}
83
84void
85MemTraceProbe::startup()
86{
75 // Create a protobuf message for the header and write it to
76 // the stream
77 ProtoMessage::PacketHeader header_msg;
78 header_msg.set_obj_id(name());
79 header_msg.set_tick_freq(SimClock::Frequency);
87 // Create a protobuf message for the header and write it to
88 // the stream
89 ProtoMessage::PacketHeader header_msg;
90 header_msg.set_obj_id(name());
91 header_msg.set_tick_freq(SimClock::Frequency);
80 traceStream->write(header_msg);
81
92
82 // Register a callback to compensate for the destructor not
83 // being called. The callback forces the stream to flush and
84 // closes the output file.
85 registerExitCallback(
86 new MakeCallback<MemTraceProbe, &MemTraceProbe::closeStreams>(this));
93 for (int i = 0; i < system->maxMasters(); i++) {
94 auto id_string = header_msg.add_id_strings();
95 id_string->set_key(i);
96 id_string->set_value(system->getMasterName(i));
97 }
98
99 traceStream->write(header_msg);
87}
88
89void
90MemTraceProbe::closeStreams()
91{
92 if (traceStream != NULL)
93 delete traceStream;
94}

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101
102void
103MemTraceProbe::closeStreams()
104{
105 if (traceStream != NULL)
106 delete traceStream;
107}

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