1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Lisa Hsu
29 * Nathan Binkert
30 */
31
32#include "arch/alpha/kernel_stats.hh"
33
34#include <map>
35#include <stack>
36#include <string>
37
38#include "arch/alpha/osfpal.hh"
39#include "arch/generic/linux/threadinfo.hh"
40#include "base/trace.hh"
41#include "cpu/thread_context.hh"
42#include "debug/Context.hh"
43#include "sim/system.hh"
44
45using namespace std;
46using namespace Stats;
47
48namespace AlphaISA {
49namespace Kernel {
50
51const char *modestr[] = { "kernel", "user", "idle" };
52
53Statistics::Statistics()
54 : ::Kernel::Statistics(),
| 1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Lisa Hsu
29 * Nathan Binkert
30 */
31
32#include "arch/alpha/kernel_stats.hh"
33
34#include <map>
35#include <stack>
36#include <string>
37
38#include "arch/alpha/osfpal.hh"
39#include "arch/generic/linux/threadinfo.hh"
40#include "base/trace.hh"
41#include "cpu/thread_context.hh"
42#include "debug/Context.hh"
43#include "sim/system.hh"
44
45using namespace std;
46using namespace Stats;
47
48namespace AlphaISA {
49namespace Kernel {
50
51const char *modestr[] = { "kernel", "user", "idle" };
52
53Statistics::Statistics()
54 : ::Kernel::Statistics(),
|
55 idleProcess((Addr)-1), themode(kernel), lastModeTick(0)
| 55 idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
56 iplLast(0), iplLastTick(0)
|
56{
57}
58
59void
60Statistics::regStats(const string &_name)
61{
62 ::Kernel::Statistics::regStats(_name);
63
64 _callpal
65 .init(256)
66 .name(name() + ".callpal")
67 .desc("number of callpals executed")
68 .flags(total | pdf | nozero | nonan)
69 ;
70
71 for (int i = 0; i < PAL::NumCodes; ++i) {
72 const char *str = PAL::name(i);
73 if (str)
74 _callpal.subname(i, str);
75 }
76
77 _hwrei
78 .name(name() + ".inst.hwrei")
79 .desc("number of hwrei instructions executed")
80 ;
81
82 _mode
83 .init(cpu_mode_num)
84 .name(name() + ".mode_switch")
85 .desc("number of protection mode switches")
86 ;
87
88 for (int i = 0; i < cpu_mode_num; ++i)
89 _mode.subname(i, modestr[i]);
90
91 _modeGood
92 .init(cpu_mode_num)
93 .name(name() + ".mode_good")
94 ;
95
96 for (int i = 0; i < cpu_mode_num; ++i)
97 _modeGood.subname(i, modestr[i]);
98
99 _modeFraction
100 .name(name() + ".mode_switch_good")
101 .desc("fraction of useful protection mode switches")
102 .flags(total)
103 ;
104
105 for (int i = 0; i < cpu_mode_num; ++i)
106 _modeFraction.subname(i, modestr[i]);
107
108 _modeFraction = _modeGood / _mode;
109
110 _modeTicks
111 .init(cpu_mode_num)
112 .name(name() + ".mode_ticks")
113 .desc("number of ticks spent at the given mode")
114 .flags(pdf)
115 ;
116 for (int i = 0; i < cpu_mode_num; ++i)
117 _modeTicks.subname(i, modestr[i]);
118
119 _swap_context
120 .name(name() + ".swap_context")
121 .desc("number of times the context was actually changed")
122 ;
| 57{
58}
59
60void
61Statistics::regStats(const string &_name)
62{
63 ::Kernel::Statistics::regStats(_name);
64
65 _callpal
66 .init(256)
67 .name(name() + ".callpal")
68 .desc("number of callpals executed")
69 .flags(total | pdf | nozero | nonan)
70 ;
71
72 for (int i = 0; i < PAL::NumCodes; ++i) {
73 const char *str = PAL::name(i);
74 if (str)
75 _callpal.subname(i, str);
76 }
77
78 _hwrei
79 .name(name() + ".inst.hwrei")
80 .desc("number of hwrei instructions executed")
81 ;
82
83 _mode
84 .init(cpu_mode_num)
85 .name(name() + ".mode_switch")
86 .desc("number of protection mode switches")
87 ;
88
89 for (int i = 0; i < cpu_mode_num; ++i)
90 _mode.subname(i, modestr[i]);
91
92 _modeGood
93 .init(cpu_mode_num)
94 .name(name() + ".mode_good")
95 ;
96
97 for (int i = 0; i < cpu_mode_num; ++i)
98 _modeGood.subname(i, modestr[i]);
99
100 _modeFraction
101 .name(name() + ".mode_switch_good")
102 .desc("fraction of useful protection mode switches")
103 .flags(total)
104 ;
105
106 for (int i = 0; i < cpu_mode_num; ++i)
107 _modeFraction.subname(i, modestr[i]);
108
109 _modeFraction = _modeGood / _mode;
110
111 _modeTicks
112 .init(cpu_mode_num)
113 .name(name() + ".mode_ticks")
114 .desc("number of ticks spent at the given mode")
115 .flags(pdf)
116 ;
117 for (int i = 0; i < cpu_mode_num; ++i)
118 _modeTicks.subname(i, modestr[i]);
119
120 _swap_context
121 .name(name() + ".swap_context")
122 .desc("number of times the context was actually changed")
123 ;
|
| 124
125 _iplCount
126 .init(32)
127 .name(name() + ".ipl_count")
128 .desc("number of times we switched to this ipl")
129 .flags(total | pdf | nozero | nonan)
130 ;
131
132 _iplGood
133 .init(32)
134 .name(name() + ".ipl_good")
135 .desc("number of times we switched to this ipl from a different ipl")
136 .flags(total | pdf | nozero | nonan)
137 ;
138
139 _iplTicks
140 .init(32)
141 .name(name() + ".ipl_ticks")
142 .desc("number of cycles we spent at this ipl")
143 .flags(total | pdf | nozero | nonan)
144 ;
145
146 _iplUsed
147 .name(name() + ".ipl_used")
148 .desc("fraction of swpipl calls that actually changed the ipl")
149 .flags(total | nozero | nonan)
150 ;
151
152 _iplUsed = _iplGood / _iplCount;
|
123}
124
125void
126Statistics::setIdleProcess(Addr idlepcbb, ThreadContext *tc)
127{
128 assert(themode == kernel);
129 idleProcess = idlepcbb;
130 themode = idle;
131 changeMode(themode, tc);
132}
133
134void
135Statistics::changeMode(cpu_mode newmode, ThreadContext *tc)
136{
137 _mode[newmode]++;
138
139 if (newmode == themode)
140 return;
141
142 DPRINTF(Context, "old mode=%s new mode=%s pid=%d\n",
143 modestr[themode], modestr[newmode],
144 Linux::ThreadInfo(tc).curTaskPID());
145
146 _modeGood[newmode]++;
147 _modeTicks[themode] += curTick() - lastModeTick;
148
149 lastModeTick = curTick();
150 themode = newmode;
151}
152
153void
154Statistics::mode(cpu_mode newmode, ThreadContext *tc)
155{
156 Addr pcbb = tc->readMiscRegNoEffect(IPR_PALtemp23);
157
158 if (newmode == kernel && pcbb == idleProcess)
159 newmode = idle;
160
161 changeMode(newmode, tc);
162}
163
164void
165Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc)
166{
167 assert(themode != user);
168
169 _swap_context++;
170 changeMode(newpcbb == idleProcess ? idle : kernel, tc);
171
172 DPRINTF(Context, "Context Switch old pid=%d new pid=%d\n",
173 Linux::ThreadInfo(tc, oldpcbb).curTaskPID(),
174 Linux::ThreadInfo(tc, newpcbb).curTaskPID());
175}
176
177void
178Statistics::callpal(int code, ThreadContext *tc)
179{
180 if (!PAL::name(code))
181 return;
182
183 _callpal[code]++;
184}
185
186void
| 153}
154
155void
156Statistics::setIdleProcess(Addr idlepcbb, ThreadContext *tc)
157{
158 assert(themode == kernel);
159 idleProcess = idlepcbb;
160 themode = idle;
161 changeMode(themode, tc);
162}
163
164void
165Statistics::changeMode(cpu_mode newmode, ThreadContext *tc)
166{
167 _mode[newmode]++;
168
169 if (newmode == themode)
170 return;
171
172 DPRINTF(Context, "old mode=%s new mode=%s pid=%d\n",
173 modestr[themode], modestr[newmode],
174 Linux::ThreadInfo(tc).curTaskPID());
175
176 _modeGood[newmode]++;
177 _modeTicks[themode] += curTick() - lastModeTick;
178
179 lastModeTick = curTick();
180 themode = newmode;
181}
182
183void
184Statistics::mode(cpu_mode newmode, ThreadContext *tc)
185{
186 Addr pcbb = tc->readMiscRegNoEffect(IPR_PALtemp23);
187
188 if (newmode == kernel && pcbb == idleProcess)
189 newmode = idle;
190
191 changeMode(newmode, tc);
192}
193
194void
195Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc)
196{
197 assert(themode != user);
198
199 _swap_context++;
200 changeMode(newpcbb == idleProcess ? idle : kernel, tc);
201
202 DPRINTF(Context, "Context Switch old pid=%d new pid=%d\n",
203 Linux::ThreadInfo(tc, oldpcbb).curTaskPID(),
204 Linux::ThreadInfo(tc, newpcbb).curTaskPID());
205}
206
207void
208Statistics::callpal(int code, ThreadContext *tc)
209{
210 if (!PAL::name(code))
211 return;
212
213 _callpal[code]++;
214}
215
216void
|
| 217Statistics::swpipl(int ipl)
218{
219 assert(ipl >= 0 && ipl <= 0x1f && "invalid IPL\n");
220
221 _iplCount[ipl]++;
222
223 if (ipl == iplLast)
224 return;
225
226 _iplGood[ipl]++;
227 _iplTicks[iplLast] += curTick() - iplLastTick;
228 iplLastTick = curTick();
229 iplLast = ipl;
230}
231
232void
|
187Statistics::serialize(CheckpointOut &cp) const
188{
189 ::Kernel::Statistics::serialize(cp);
190 int exemode = themode;
191 SERIALIZE_SCALAR(exemode);
192 SERIALIZE_SCALAR(idleProcess);
193 SERIALIZE_SCALAR(lastModeTick);
| 233Statistics::serialize(CheckpointOut &cp) const
234{
235 ::Kernel::Statistics::serialize(cp);
236 int exemode = themode;
237 SERIALIZE_SCALAR(exemode);
238 SERIALIZE_SCALAR(idleProcess);
239 SERIALIZE_SCALAR(lastModeTick);
|
| 240 SERIALIZE_SCALAR(iplLast);
241 SERIALIZE_SCALAR(iplLastTick);
|
194}
195
196void
197Statistics::unserialize(CheckpointIn &cp)
198{
199 ::Kernel::Statistics::unserialize(cp);
200 int exemode;
201 UNSERIALIZE_SCALAR(exemode);
202 UNSERIALIZE_SCALAR(idleProcess);
203 UNSERIALIZE_SCALAR(lastModeTick);
204 themode = (cpu_mode)exemode;
| 242}
243
244void
245Statistics::unserialize(CheckpointIn &cp)
246{
247 ::Kernel::Statistics::unserialize(cp);
248 int exemode;
249 UNSERIALIZE_SCALAR(exemode);
250 UNSERIALIZE_SCALAR(idleProcess);
251 UNSERIALIZE_SCALAR(lastModeTick);
252 themode = (cpu_mode)exemode;
|
| 253 UNSERIALIZE_SCALAR(iplLast);
254 UNSERIALIZE_SCALAR(iplLastTick);
|
205}
206
207} // namespace Kernel
208} // namespace AlphaISA
| 255}
256
257} // namespace Kernel
258} // namespace AlphaISA
|