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 <map>
33#include <stack>
34#include <string>
35
36#include "arch/alpha/osfpal.hh"
37#include "base/trace.hh"
38#include "cpu/thread_context.hh"
39#include "kern/kernel_stats.hh"
40#include "kern/tru64/tru64_syscalls.hh"
41#include "sim/system.hh"
42
43using namespace std;
44using namespace Stats;
45
46namespace Kernel {
47
| 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 <map>
33#include <stack>
34#include <string>
35
36#include "arch/alpha/osfpal.hh"
37#include "base/trace.hh"
38#include "cpu/thread_context.hh"
39#include "kern/kernel_stats.hh"
40#include "kern/tru64/tru64_syscalls.hh"
41#include "sim/system.hh"
42
43using namespace std;
44using namespace Stats;
45
46namespace Kernel {
47
|
48const char *modestr[] = { "kernel", "user", "idle", "interrupt" };
| 48const char *modestr[] = { "kernel", "user", "idle" };
|
49
50Statistics::Statistics(System *system)
51 : idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
52 iplLast(0), iplLastTick(0)
53{
| 49
50Statistics::Statistics(System *system)
51 : idleProcess((Addr)-1), themode(kernel), lastModeTick(0),
52 iplLast(0), iplLastTick(0)
53{
|
54 bin_int = system->params()->bin_int;
| |
55}
56
57void
58Statistics::regStats(const string &_name)
59{
60 myname = _name;
61
62 _arm
63 .name(name() + ".inst.arm")
64 .desc("number of arm instructions executed")
65 ;
66
67 _quiesce
68 .name(name() + ".inst.quiesce")
69 .desc("number of quiesce instructions executed")
70 ;
71
72 _ivlb
73 .name(name() + ".inst.ivlb")
74 .desc("number of ivlb instructions executed")
75 ;
76
77 _ivle
78 .name(name() + ".inst.ivle")
79 .desc("number of ivle instructions executed")
80 ;
81
82 _hwrei
83 .name(name() + ".inst.hwrei")
84 .desc("number of hwrei instructions executed")
85 ;
86
87 _iplCount
88 .init(32)
89 .name(name() + ".ipl_count")
90 .desc("number of times we switched to this ipl")
91 .flags(total | pdf | nozero | nonan)
92 ;
93
94 _iplGood
95 .init(32)
96 .name(name() + ".ipl_good")
97 .desc("number of times we switched to this ipl from a different ipl")
98 .flags(total | pdf | nozero | nonan)
99 ;
100
101 _iplTicks
102 .init(32)
103 .name(name() + ".ipl_ticks")
104 .desc("number of cycles we spent at this ipl")
105 .flags(total | pdf | nozero | nonan)
106 ;
107
108 _iplUsed
109 .name(name() + ".ipl_used")
110 .desc("fraction of swpipl calls that actually changed the ipl")
111 .flags(total | nozero | nonan)
112 ;
113
114 _iplUsed = _iplGood / _iplCount;
115
116 _callpal
117 .init(256)
118 .name(name() + ".callpal")
119 .desc("number of callpals executed")
120 .flags(total | pdf | nozero | nonan)
121 ;
122
123 for (int i = 0; i < PAL::NumCodes; ++i) {
124 const char *str = PAL::name(i);
125 if (str)
126 _callpal.subname(i, str);
127 }
128
129 _syscall
130 .init(SystemCalls<Tru64>::Number)
131 .name(name() + ".syscall")
132 .desc("number of syscalls executed")
133 .flags(total | pdf | nozero | nonan)
134 ;
135
136 for (int i = 0; i < SystemCalls<Tru64>::Number; ++i) {
137 const char *str = SystemCalls<Tru64>::name(i);
138 if (str) {
139 _syscall.subname(i, str);
140 }
141 }
142
143 _mode
144 .init(cpu_mode_num)
145 .name(name() + ".mode_switch")
146 .desc("number of protection mode switches")
147 ;
148
149 for (int i = 0; i < cpu_mode_num; ++i)
150 _mode.subname(i, modestr[i]);
151
152 _modeGood
153 .init(cpu_mode_num)
154 .name(name() + ".mode_good")
155 ;
156
157 for (int i = 0; i < cpu_mode_num; ++i)
158 _modeGood.subname(i, modestr[i]);
159
160 _modeFraction
161 .name(name() + ".mode_switch_good")
162 .desc("fraction of useful protection mode switches")
163 .flags(total)
164 ;
165
166 for (int i = 0; i < cpu_mode_num; ++i)
167 _modeFraction.subname(i, modestr[i]);
168
169 _modeFraction = _modeGood / _mode;
170
171 _modeTicks
172 .init(cpu_mode_num)
173 .name(name() + ".mode_ticks")
174 .desc("number of ticks spent at the given mode")
175 .flags(pdf)
176 ;
177 for (int i = 0; i < cpu_mode_num; ++i)
178 _modeTicks.subname(i, modestr[i]);
179
180 _swap_context
181 .name(name() + ".swap_context")
182 .desc("number of times the context was actually changed")
183 ;
184}
185
186void
187Statistics::setIdleProcess(Addr idlepcbb, ThreadContext *tc)
188{
| 54}
55
56void
57Statistics::regStats(const string &_name)
58{
59 myname = _name;
60
61 _arm
62 .name(name() + ".inst.arm")
63 .desc("number of arm instructions executed")
64 ;
65
66 _quiesce
67 .name(name() + ".inst.quiesce")
68 .desc("number of quiesce instructions executed")
69 ;
70
71 _ivlb
72 .name(name() + ".inst.ivlb")
73 .desc("number of ivlb instructions executed")
74 ;
75
76 _ivle
77 .name(name() + ".inst.ivle")
78 .desc("number of ivle instructions executed")
79 ;
80
81 _hwrei
82 .name(name() + ".inst.hwrei")
83 .desc("number of hwrei instructions executed")
84 ;
85
86 _iplCount
87 .init(32)
88 .name(name() + ".ipl_count")
89 .desc("number of times we switched to this ipl")
90 .flags(total | pdf | nozero | nonan)
91 ;
92
93 _iplGood
94 .init(32)
95 .name(name() + ".ipl_good")
96 .desc("number of times we switched to this ipl from a different ipl")
97 .flags(total | pdf | nozero | nonan)
98 ;
99
100 _iplTicks
101 .init(32)
102 .name(name() + ".ipl_ticks")
103 .desc("number of cycles we spent at this ipl")
104 .flags(total | pdf | nozero | nonan)
105 ;
106
107 _iplUsed
108 .name(name() + ".ipl_used")
109 .desc("fraction of swpipl calls that actually changed the ipl")
110 .flags(total | nozero | nonan)
111 ;
112
113 _iplUsed = _iplGood / _iplCount;
114
115 _callpal
116 .init(256)
117 .name(name() + ".callpal")
118 .desc("number of callpals executed")
119 .flags(total | pdf | nozero | nonan)
120 ;
121
122 for (int i = 0; i < PAL::NumCodes; ++i) {
123 const char *str = PAL::name(i);
124 if (str)
125 _callpal.subname(i, str);
126 }
127
128 _syscall
129 .init(SystemCalls<Tru64>::Number)
130 .name(name() + ".syscall")
131 .desc("number of syscalls executed")
132 .flags(total | pdf | nozero | nonan)
133 ;
134
135 for (int i = 0; i < SystemCalls<Tru64>::Number; ++i) {
136 const char *str = SystemCalls<Tru64>::name(i);
137 if (str) {
138 _syscall.subname(i, str);
139 }
140 }
141
142 _mode
143 .init(cpu_mode_num)
144 .name(name() + ".mode_switch")
145 .desc("number of protection mode switches")
146 ;
147
148 for (int i = 0; i < cpu_mode_num; ++i)
149 _mode.subname(i, modestr[i]);
150
151 _modeGood
152 .init(cpu_mode_num)
153 .name(name() + ".mode_good")
154 ;
155
156 for (int i = 0; i < cpu_mode_num; ++i)
157 _modeGood.subname(i, modestr[i]);
158
159 _modeFraction
160 .name(name() + ".mode_switch_good")
161 .desc("fraction of useful protection mode switches")
162 .flags(total)
163 ;
164
165 for (int i = 0; i < cpu_mode_num; ++i)
166 _modeFraction.subname(i, modestr[i]);
167
168 _modeFraction = _modeGood / _mode;
169
170 _modeTicks
171 .init(cpu_mode_num)
172 .name(name() + ".mode_ticks")
173 .desc("number of ticks spent at the given mode")
174 .flags(pdf)
175 ;
176 for (int i = 0; i < cpu_mode_num; ++i)
177 _modeTicks.subname(i, modestr[i]);
178
179 _swap_context
180 .name(name() + ".swap_context")
181 .desc("number of times the context was actually changed")
182 ;
183}
184
185void
186Statistics::setIdleProcess(Addr idlepcbb, ThreadContext *tc)
187{
|
189 assert(themode == kernel || themode == interrupt);
| 188 assert(themode == kernel);
|
190 idleProcess = idlepcbb;
191 themode = idle;
192 changeMode(themode, tc);
193}
194
195void
196Statistics::changeMode(cpu_mode newmode, ThreadContext *tc)
197{
198 _mode[newmode]++;
199
200 if (newmode == themode)
201 return;
202
203 DPRINTF(Context, "old mode=%-8s new mode=%-8s\n",
204 modestr[themode], modestr[newmode]);
205
206 _modeGood[newmode]++;
207 _modeTicks[themode] += curTick - lastModeTick;
208
| 189 idleProcess = idlepcbb;
190 themode = idle;
191 changeMode(themode, tc);
192}
193
194void
195Statistics::changeMode(cpu_mode newmode, ThreadContext *tc)
196{
197 _mode[newmode]++;
198
199 if (newmode == themode)
200 return;
201
202 DPRINTF(Context, "old mode=%-8s new mode=%-8s\n",
203 modestr[themode], modestr[newmode]);
204
205 _modeGood[newmode]++;
206 _modeTicks[themode] += curTick - lastModeTick;
207
|
209 tc->getSystemPtr()->kernelBinning->changeMode(newmode);
210
| |
211 lastModeTick = curTick;
212 themode = newmode;
213}
214
215void
216Statistics::swpipl(int ipl)
217{
218 assert(ipl >= 0 && ipl <= 0x1f && "invalid IPL\n");
219
220 _iplCount[ipl]++;
221
222 if (ipl == iplLast)
223 return;
224
225 _iplGood[ipl]++;
226 _iplTicks[iplLast] += curTick - iplLastTick;
227 iplLastTick = curTick;
228 iplLast = ipl;
229}
230
231void
232Statistics::mode(cpu_mode newmode, ThreadContext *tc)
233{
234 Addr pcbb = tc->readMiscReg(AlphaISA::IPR_PALtemp23);
235
| 208 lastModeTick = curTick;
209 themode = newmode;
210}
211
212void
213Statistics::swpipl(int ipl)
214{
215 assert(ipl >= 0 && ipl <= 0x1f && "invalid IPL\n");
216
217 _iplCount[ipl]++;
218
219 if (ipl == iplLast)
220 return;
221
222 _iplGood[ipl]++;
223 _iplTicks[iplLast] += curTick - iplLastTick;
224 iplLastTick = curTick;
225 iplLast = ipl;
226}
227
228void
229Statistics::mode(cpu_mode newmode, ThreadContext *tc)
230{
231 Addr pcbb = tc->readMiscReg(AlphaISA::IPR_PALtemp23);
232
|
236 if ((newmode == kernel || newmode == interrupt) &&
237 pcbb == idleProcess)
| 233 if (newmode == kernel && pcbb == idleProcess)
|
238 newmode = idle;
239
| 234 newmode = idle;
235
|
240 if (bin_int == false && newmode == interrupt)
241 newmode = kernel;
242
| |
243 changeMode(newmode, tc);
244}
245
246void
247Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc)
248{
249 assert(themode != user);
250
251 _swap_context++;
252 changeMode(newpcbb == idleProcess ? idle : kernel, tc);
253}
254
255void
256Statistics::callpal(int code, ThreadContext *tc)
257{
258 if (!PAL::name(code))
259 return;
260
261 _callpal[code]++;
262
263 switch (code) {
264 case PAL::callsys: {
265 int number = tc->readIntReg(0);
266 if (SystemCalls<Tru64>::validSyscallNumber(number)) {
267 int cvtnum = SystemCalls<Tru64>::convert(number);
268 _syscall[cvtnum]++;
269 }
270 } break;
| 236 changeMode(newmode, tc);
237}
238
239void
240Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc)
241{
242 assert(themode != user);
243
244 _swap_context++;
245 changeMode(newpcbb == idleProcess ? idle : kernel, tc);
246}
247
248void
249Statistics::callpal(int code, ThreadContext *tc)
250{
251 if (!PAL::name(code))
252 return;
253
254 _callpal[code]++;
255
256 switch (code) {
257 case PAL::callsys: {
258 int number = tc->readIntReg(0);
259 if (SystemCalls<Tru64>::validSyscallNumber(number)) {
260 int cvtnum = SystemCalls<Tru64>::convert(number);
261 _syscall[cvtnum]++;
262 }
263 } break;
|
271
272 case PAL::swpctx:
273 if (tc->getSystemPtr()->kernelBinning)
274 tc->getSystemPtr()->kernelBinning->palSwapContext(tc);
275 break;
| |
276 }
277}
278
279void
280Statistics::serialize(ostream &os)
281{
282 int exemode = themode;
283 SERIALIZE_SCALAR(exemode);
284 SERIALIZE_SCALAR(idleProcess);
285 SERIALIZE_SCALAR(iplLast);
286 SERIALIZE_SCALAR(iplLastTick);
287 SERIALIZE_SCALAR(lastModeTick);
288}
289
290void
291Statistics::unserialize(Checkpoint *cp, const string §ion)
292{
293 int exemode;
294 UNSERIALIZE_SCALAR(exemode);
295 UNSERIALIZE_SCALAR(idleProcess);
296 UNSERIALIZE_SCALAR(iplLast);
297 UNSERIALIZE_SCALAR(iplLastTick);
298 UNSERIALIZE_SCALAR(lastModeTick);
299 themode = (cpu_mode)exemode;
300}
301
302/* end namespace Kernel */ }
| 264 }
265}
266
267void
268Statistics::serialize(ostream &os)
269{
270 int exemode = themode;
271 SERIALIZE_SCALAR(exemode);
272 SERIALIZE_SCALAR(idleProcess);
273 SERIALIZE_SCALAR(iplLast);
274 SERIALIZE_SCALAR(iplLastTick);
275 SERIALIZE_SCALAR(lastModeTick);
276}
277
278void
279Statistics::unserialize(Checkpoint *cp, const string §ion)
280{
281 int exemode;
282 UNSERIALIZE_SCALAR(exemode);
283 UNSERIALIZE_SCALAR(idleProcess);
284 UNSERIALIZE_SCALAR(iplLast);
285 UNSERIALIZE_SCALAR(iplLastTick);
286 UNSERIALIZE_SCALAR(lastModeTick);
287 themode = (cpu_mode)exemode;
288}
289
290/* end namespace Kernel */ }
|