kernel_stats.cc (2665:a124942bacb8) kernel_stats.cc (2680:246e7104f744)
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;

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30 */
31
32#include <map>
33#include <stack>
34#include <string>
35
36#include "arch/alpha/osfpal.hh"
37#include "base/trace.hh"
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;

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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/exec_context.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 {

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179
180 _swap_context
181 .name(name() + ".swap_context")
182 .desc("number of times the context was actually changed")
183 ;
184}
185
186void
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 {

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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, ExecContext *xc)
187Statistics::setIdleProcess(Addr idlepcbb, ThreadContext *tc)
188{
189 assert(themode == kernel || themode == interrupt);
190 idleProcess = idlepcbb;
191 themode = idle;
188{
189 assert(themode == kernel || themode == interrupt);
190 idleProcess = idlepcbb;
191 themode = idle;
192 changeMode(themode, xc);
192 changeMode(themode, tc);
193}
194
195void
193}
194
195void
196Statistics::changeMode(cpu_mode newmode, ExecContext *xc)
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
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
209 xc->getSystemPtr()->kernelBinning->changeMode(newmode);
209 tc->getSystemPtr()->kernelBinning->changeMode(newmode);
210
211 lastModeTick = curTick;
212 themode = newmode;
213}
214
215void
216Statistics::swpipl(int ipl)
217{

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224
225 _iplGood[ipl]++;
226 _iplTicks[iplLast] += curTick - iplLastTick;
227 iplLastTick = curTick;
228 iplLast = ipl;
229}
230
231void
210
211 lastModeTick = curTick;
212 themode = newmode;
213}
214
215void
216Statistics::swpipl(int ipl)
217{

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224
225 _iplGood[ipl]++;
226 _iplTicks[iplLast] += curTick - iplLastTick;
227 iplLastTick = curTick;
228 iplLast = ipl;
229}
230
231void
232Statistics::mode(cpu_mode newmode, ExecContext *xc)
232Statistics::mode(cpu_mode newmode, ThreadContext *tc)
233{
233{
234 Addr pcbb = xc->readMiscReg(AlphaISA::IPR_PALtemp23);
234 Addr pcbb = tc->readMiscReg(AlphaISA::IPR_PALtemp23);
235
236 if ((newmode == kernel || newmode == interrupt) &&
237 pcbb == idleProcess)
238 newmode = idle;
239
240 if (bin_int == false && newmode == interrupt)
241 newmode = kernel;
242
235
236 if ((newmode == kernel || newmode == interrupt) &&
237 pcbb == idleProcess)
238 newmode = idle;
239
240 if (bin_int == false && newmode == interrupt)
241 newmode = kernel;
242
243 changeMode(newmode, xc);
243 changeMode(newmode, tc);
244}
245
246void
244}
245
246void
247Statistics::context(Addr oldpcbb, Addr newpcbb, ExecContext *xc)
247Statistics::context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc)
248{
249 assert(themode != user);
250
251 _swap_context++;
248{
249 assert(themode != user);
250
251 _swap_context++;
252 changeMode(newpcbb == idleProcess ? idle : kernel, xc);
252 changeMode(newpcbb == idleProcess ? idle : kernel, tc);
253}
254
255void
253}
254
255void
256Statistics::callpal(int code, ExecContext *xc)
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: {
257{
258 if (!PAL::name(code))
259 return;
260
261 _callpal[code]++;
262
263 switch (code) {
264 case PAL::callsys: {
265 int number = xc->readIntReg(0);
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;
271
272 case PAL::swpctx:
266 if (SystemCalls<Tru64>::validSyscallNumber(number)) {
267 int cvtnum = SystemCalls<Tru64>::convert(number);
268 _syscall[cvtnum]++;
269 }
270 } break;
271
272 case PAL::swpctx:
273 if (xc->getSystemPtr()->kernelBinning)
274 xc->getSystemPtr()->kernelBinning->palSwapContext(xc);
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;

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276 }
277}
278
279void
280Statistics::serialize(ostream &os)
281{
282 int exemode = themode;

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