trace.hh (11168:f98eb2da15a4) trace.hh (13804:f53a9c35b287)
1/*
2 * Copyright (c) 2014 ARM Limited
3 * All rights reserved
4 *
5 * Copyright (c) 2001-2006 The Regents of The University of Michigan
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met: redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer;
12 * redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution;
15 * neither the name of the copyright holders nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Authors: Nathan Binkert
32 * Steve Reinhardt
33 * Andrew Bardsley
34 */
35
36#ifndef __BASE_TRACE_HH__
37#define __BASE_TRACE_HH__
38
39#include <string>
40
41#include "base/cprintf.hh"
42#include "base/debug.hh"
43#include "base/match.hh"
44#include "base/types.hh"
45#include "sim/core.hh"
46
47namespace Trace {
48
49/** Debug logging base class. Handles formatting and outputting
50 * time/name/message messages */
51class Logger
52{
53 protected:
54 /** Name match for objects to ignore */
55 ObjectMatch ignore;
56
57 public:
58 /** Log a single message */
59 template <typename ...Args>
60 void dprintf(Tick when, const std::string &name, const char *fmt,
61 const Args &...args)
62 {
63 if (!name.empty() && ignore.match(name))
64 return;
65
66 std::ostringstream line;
67 ccprintf(line, fmt, args...);
68 logMessage(when, name, line.str());
69 }
70
71 /** Dump a block of data of length len */
72 virtual void dump(Tick when, const std::string &name,
73 const void *d, int len);
74
75 /** Log formatted message */
76 virtual void logMessage(Tick when, const std::string &name,
77 const std::string &message) = 0;
78
79 /** Return an ostream that can be used to send messages to
80 * the 'same place' as formatted logMessage messages. This
81 * can be implemented to use a logger's underlying ostream,
82 * to provide an ostream which formats the output in some
83 * way, or just set to one of std::cout, std::cerr */
84 virtual std::ostream &getOstream() = 0;
85
86 /** Set objects to ignore */
87 void setIgnore(ObjectMatch &ignore_) { ignore = ignore_; }
88
1/*
2 * Copyright (c) 2014 ARM Limited
3 * All rights reserved
4 *
5 * Copyright (c) 2001-2006 The Regents of The University of Michigan
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met: redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer;
12 * redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution;
15 * neither the name of the copyright holders nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Authors: Nathan Binkert
32 * Steve Reinhardt
33 * Andrew Bardsley
34 */
35
36#ifndef __BASE_TRACE_HH__
37#define __BASE_TRACE_HH__
38
39#include <string>
40
41#include "base/cprintf.hh"
42#include "base/debug.hh"
43#include "base/match.hh"
44#include "base/types.hh"
45#include "sim/core.hh"
46
47namespace Trace {
48
49/** Debug logging base class. Handles formatting and outputting
50 * time/name/message messages */
51class Logger
52{
53 protected:
54 /** Name match for objects to ignore */
55 ObjectMatch ignore;
56
57 public:
58 /** Log a single message */
59 template <typename ...Args>
60 void dprintf(Tick when, const std::string &name, const char *fmt,
61 const Args &...args)
62 {
63 if (!name.empty() && ignore.match(name))
64 return;
65
66 std::ostringstream line;
67 ccprintf(line, fmt, args...);
68 logMessage(when, name, line.str());
69 }
70
71 /** Dump a block of data of length len */
72 virtual void dump(Tick when, const std::string &name,
73 const void *d, int len);
74
75 /** Log formatted message */
76 virtual void logMessage(Tick when, const std::string &name,
77 const std::string &message) = 0;
78
79 /** Return an ostream that can be used to send messages to
80 * the 'same place' as formatted logMessage messages. This
81 * can be implemented to use a logger's underlying ostream,
82 * to provide an ostream which formats the output in some
83 * way, or just set to one of std::cout, std::cerr */
84 virtual std::ostream &getOstream() = 0;
85
86 /** Set objects to ignore */
87 void setIgnore(ObjectMatch &ignore_) { ignore = ignore_; }
88
89 /** Add objects to ignore */
90 void addIgnore(const ObjectMatch &ignore_) { ignore.add(ignore_); }
91
89 virtual ~Logger() { }
90};
91
92/** Logging wrapper for ostreams with the format:
93 * <when>: <name>: <message-body> */
94class OstreamLogger : public Logger
95{
96 protected:
97 std::ostream &stream;
98
99 public:
100 OstreamLogger(std::ostream &stream_) : stream(stream_)
101 { }
102
103 void logMessage(Tick when, const std::string &name,
104 const std::string &message) override;
105
106 std::ostream &getOstream() override { return stream; }
107};
108
109/** Get the current global debug logger. This takes ownership of the given
110 * logger which should be allocated using 'new' */
111Logger *getDebugLogger();
112
113/** Get the ostream from the current global logger */
114std::ostream &output();
115
116/** Delete the current global logger and assign a new one */
117void setDebugLogger(Logger *logger);
118
119/** Enable/disable debug logging */
120void enable();
121void disable();
122
123} // namespace Trace
124
125// This silly little class allows us to wrap a string in a functor
126// object so that we can give a name() that DPRINTF will like
127struct StringWrap
128{
129 std::string str;
130 StringWrap(const std::string &s) : str(s) {}
131 const std::string &operator()() const { return str; }
132};
133
134// Return the global context name "global". This function gets called when
135// the DPRINTF macros are used in a context without a visible name() function
136const std::string &name();
137
138// Interface for things with names. (cf. SimObject but without other
139// functionality). This is useful when using DPRINTF
140class Named
141{
142 protected:
143 const std::string _name;
144
145 public:
146 Named(const std::string &name_) : _name(name_) { }
147
148 public:
149 const std::string &name() const { return _name; }
150};
151
152//
153// DPRINTF is a debugging trace facility that allows one to
154// selectively enable tracing statements. To use DPRINTF, there must
155// be a function or functor called name() that returns a const
156// std::string & in the current scope.
157//
158// If you desire that the automatic printing not occur, use DPRINTFR
159// (R for raw)
160//
161
162#if TRACING_ON
163
164#define DTRACE(x) (Debug::x)
165
166#define DDUMP(x, data, count) do { \
167 using namespace Debug; \
168 if (DTRACE(x)) \
169 Trace::getDebugLogger()->dump(curTick(), name(), data, count); \
170} while (0)
171
172#define DPRINTF(x, ...) do { \
173 using namespace Debug; \
174 if (DTRACE(x)) { \
175 Trace::getDebugLogger()->dprintf(curTick(), name(), \
176 __VA_ARGS__); \
177 } \
178} while (0)
179
180#define DPRINTFS(x, s, ...) do { \
181 using namespace Debug; \
182 if (DTRACE(x)) { \
183 Trace::getDebugLogger()->dprintf(curTick(), s->name(), \
184 __VA_ARGS__); \
185 } \
186} while (0)
187
188#define DPRINTFR(x, ...) do { \
189 using namespace Debug; \
190 if (DTRACE(x)) { \
191 Trace::getDebugLogger()->dprintf((Tick)-1, std::string(), \
192 __VA_ARGS__); \
193 } \
194} while (0)
195
196#define DDUMPN(data, count) do { \
197 Trace::getDebugLogger()->dump(curTick(), name(), data, count); \
198} while (0)
199
200#define DPRINTFN(...) do { \
201 Trace::getDebugLogger()->dprintf(curTick(), name(), __VA_ARGS__); \
202} while (0)
203
204#define DPRINTFNR(...) do { \
205 Trace::getDebugLogger()->dprintf((Tick)-1, string(), __VA_ARGS__); \
206} while (0)
207
208#else // !TRACING_ON
209
210#define DTRACE(x) (false)
211#define DDUMP(x, data, count) do {} while (0)
212#define DPRINTF(x, ...) do {} while (0)
213#define DPRINTFS(x, ...) do {} while (0)
214#define DPRINTFR(...) do {} while (0)
215#define DDUMPN(data, count) do {} while (0)
216#define DPRINTFN(...) do {} while (0)
217#define DPRINTFNR(...) do {} while (0)
218
219#endif // TRACING_ON
220
221#endif // __BASE_TRACE_HH__
92 virtual ~Logger() { }
93};
94
95/** Logging wrapper for ostreams with the format:
96 * <when>: <name>: <message-body> */
97class OstreamLogger : public Logger
98{
99 protected:
100 std::ostream &stream;
101
102 public:
103 OstreamLogger(std::ostream &stream_) : stream(stream_)
104 { }
105
106 void logMessage(Tick when, const std::string &name,
107 const std::string &message) override;
108
109 std::ostream &getOstream() override { return stream; }
110};
111
112/** Get the current global debug logger. This takes ownership of the given
113 * logger which should be allocated using 'new' */
114Logger *getDebugLogger();
115
116/** Get the ostream from the current global logger */
117std::ostream &output();
118
119/** Delete the current global logger and assign a new one */
120void setDebugLogger(Logger *logger);
121
122/** Enable/disable debug logging */
123void enable();
124void disable();
125
126} // namespace Trace
127
128// This silly little class allows us to wrap a string in a functor
129// object so that we can give a name() that DPRINTF will like
130struct StringWrap
131{
132 std::string str;
133 StringWrap(const std::string &s) : str(s) {}
134 const std::string &operator()() const { return str; }
135};
136
137// Return the global context name "global". This function gets called when
138// the DPRINTF macros are used in a context without a visible name() function
139const std::string &name();
140
141// Interface for things with names. (cf. SimObject but without other
142// functionality). This is useful when using DPRINTF
143class Named
144{
145 protected:
146 const std::string _name;
147
148 public:
149 Named(const std::string &name_) : _name(name_) { }
150
151 public:
152 const std::string &name() const { return _name; }
153};
154
155//
156// DPRINTF is a debugging trace facility that allows one to
157// selectively enable tracing statements. To use DPRINTF, there must
158// be a function or functor called name() that returns a const
159// std::string & in the current scope.
160//
161// If you desire that the automatic printing not occur, use DPRINTFR
162// (R for raw)
163//
164
165#if TRACING_ON
166
167#define DTRACE(x) (Debug::x)
168
169#define DDUMP(x, data, count) do { \
170 using namespace Debug; \
171 if (DTRACE(x)) \
172 Trace::getDebugLogger()->dump(curTick(), name(), data, count); \
173} while (0)
174
175#define DPRINTF(x, ...) do { \
176 using namespace Debug; \
177 if (DTRACE(x)) { \
178 Trace::getDebugLogger()->dprintf(curTick(), name(), \
179 __VA_ARGS__); \
180 } \
181} while (0)
182
183#define DPRINTFS(x, s, ...) do { \
184 using namespace Debug; \
185 if (DTRACE(x)) { \
186 Trace::getDebugLogger()->dprintf(curTick(), s->name(), \
187 __VA_ARGS__); \
188 } \
189} while (0)
190
191#define DPRINTFR(x, ...) do { \
192 using namespace Debug; \
193 if (DTRACE(x)) { \
194 Trace::getDebugLogger()->dprintf((Tick)-1, std::string(), \
195 __VA_ARGS__); \
196 } \
197} while (0)
198
199#define DDUMPN(data, count) do { \
200 Trace::getDebugLogger()->dump(curTick(), name(), data, count); \
201} while (0)
202
203#define DPRINTFN(...) do { \
204 Trace::getDebugLogger()->dprintf(curTick(), name(), __VA_ARGS__); \
205} while (0)
206
207#define DPRINTFNR(...) do { \
208 Trace::getDebugLogger()->dprintf((Tick)-1, string(), __VA_ARGS__); \
209} while (0)
210
211#else // !TRACING_ON
212
213#define DTRACE(x) (false)
214#define DDUMP(x, data, count) do {} while (0)
215#define DPRINTF(x, ...) do {} while (0)
216#define DPRINTFS(x, ...) do {} while (0)
217#define DPRINTFR(...) do {} while (0)
218#define DDUMPN(data, count) do {} while (0)
219#define DPRINTFN(...) do {} while (0)
220#define DPRINTFNR(...) do {} while (0)
221
222#endif // TRACING_ON
223
224#endif // __BASE_TRACE_HH__