exetrace.cc (3380:382e21bc32f3) exetrace.cc (3506:99f86646ba5c)
1/*
2 * Copyright (c) 2001-2005 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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28 * Authors: Steve Reinhardt
29 * Lisa Hsu
30 * Nathan Binkert
31 * Steve Raasch
32 */
33
34#include <fstream>
35#include <iomanip>
1/*
2 * Copyright (c) 2001-2005 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;

--- 19 unchanged lines hidden (view full) ---

28 * Authors: Steve Reinhardt
29 * Lisa Hsu
30 * Nathan Binkert
31 * Steve Raasch
32 */
33
34#include <fstream>
35#include <iomanip>
36#include <sys/ipc.h>
37#include <sys/shm.h>
36
37#include "arch/regfile.hh"
38#include "base/loader/symtab.hh"
39#include "cpu/base.hh"
40#include "cpu/exetrace.hh"
41#include "cpu/static_inst.hh"
42#include "sim/param.hh"
43#include "sim/system.hh"
44
45//XXX This is temporary
46#include "arch/isa_specific.hh"
38
39#include "arch/regfile.hh"
40#include "base/loader/symtab.hh"
41#include "cpu/base.hh"
42#include "cpu/exetrace.hh"
43#include "cpu/static_inst.hh"
44#include "sim/param.hh"
45#include "sim/system.hh"
46
47//XXX This is temporary
48#include "arch/isa_specific.hh"
49#include "cpu/m5legion_interface.h"
47
48using namespace std;
49using namespace TheISA;
50
50
51using namespace std;
52using namespace TheISA;
53
54namespace Trace {
55SharedData *shared_data = NULL;
56}
57
51////////////////////////////////////////////////////////////////////////
52//
53// Methods for the InstRecord object
54//
55
56
57void
58Trace::InstRecord::dump(ostream &outs)
59{
60 if (flags[PRINT_REG_DELTA])
61 {
62#if THE_ISA == SPARC_ISA
58////////////////////////////////////////////////////////////////////////
59//
60// Methods for the InstRecord object
61//
62
63
64void
65Trace::InstRecord::dump(ostream &outs)
66{
67 if (flags[PRINT_REG_DELTA])
68 {
69#if THE_ISA == SPARC_ISA
70#if 0
63 //Don't print what happens for each micro-op, just print out
64 //once at the last op, and for regular instructions.
65 if(!staticInst->isMicroOp() || staticInst->isLastMicroOp())
66 {
67 static uint64_t regs[32] = {
68 0, 0, 0, 0, 0, 0, 0, 0,
69 0, 0, 0, 0, 0, 0, 0, 0,
70 0, 0, 0, 0, 0, 0, 0, 0,

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116 sprintf(buf, " F%d = 0x%016llx", 2 * y, newVal);
117 outs << buf;
118 floats[y] = newVal;
119 }
120 }
121 outs << endl;
122 }
123#endif
71 //Don't print what happens for each micro-op, just print out
72 //once at the last op, and for regular instructions.
73 if(!staticInst->isMicroOp() || staticInst->isLastMicroOp())
74 {
75 static uint64_t regs[32] = {
76 0, 0, 0, 0, 0, 0, 0, 0,
77 0, 0, 0, 0, 0, 0, 0, 0,
78 0, 0, 0, 0, 0, 0, 0, 0,

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124 sprintf(buf, " F%d = 0x%016llx", 2 * y, newVal);
125 outs << buf;
126 floats[y] = newVal;
127 }
128 }
129 outs << endl;
130 }
131#endif
132#endif
124 }
125 else if (flags[INTEL_FORMAT]) {
126#if FULL_SYSTEM
127 bool is_trace_system = (thread->getCpuPtr()->system->name() == trace_system);
128#else
129 bool is_trace_system = true;
130#endif
131 if (is_trace_system) {

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217 if (flags[PRINT_CP_SEQ] && cp_seq_valid)
218 outs << " CPSeq=" << dec << cp_seq;
219
220 //
221 // End of line...
222 //
223 outs << endl;
224 }
133 }
134 else if (flags[INTEL_FORMAT]) {
135#if FULL_SYSTEM
136 bool is_trace_system = (thread->getCpuPtr()->system->name() == trace_system);
137#else
138 bool is_trace_system = true;
139#endif
140 if (is_trace_system) {

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226 if (flags[PRINT_CP_SEQ] && cp_seq_valid)
227 outs << " CPSeq=" << dec << cp_seq;
228
229 //
230 // End of line...
231 //
232 outs << endl;
233 }
234 // Compare
235 if (flags[LEGION_LOCKSTEP])
236 {
237 bool compared = false;
238 bool diffPC = false;
239 bool diffInst = false;
240 bool diffRegs = false;
241
242 while (!compared) {
243 if (shared_data->flags == OWN_M5) {
244 if (shared_data->pc != PC)
245 diffPC = true;
246 if (shared_data->instruction != staticInst->machInst)
247 diffInst = true;
248 for (int i = 0; i < TheISA::NumIntRegs; i++) {
249 if (thread->readIntReg(i) != shared_data->intregs[i])
250 diffRegs = true;
251 }
252
253 if (diffPC || diffInst || diffRegs ) {
254 outs << "Differences found between M5 and Legion:";
255 if (diffPC)
256 outs << " PC";
257 if (diffInst)
258 outs << " Instruction";
259 if (diffRegs)
260 outs << " IntRegs";
261 outs << endl;
262
263 outs << "M5 PC: " << setw(20) << "0x" << hex << PC;
264 outs << "Legion PC: " << setw(20) << "0x" << hex <<
265 shared_data->pc << endl;
266
267
268
269 outs << "M5 Instruction: " << staticInst->machInst << "("
270 << staticInst->disassemble(PC, debugSymbolTable)
271 << ")" << "Legion Instruction: " <<
272 shared_data->instruction << "("
273 /*<< legionInst->disassemble(shared_data->pc,
274 debugSymbolTable)*/
275 << ")" << endl;
276
277 for (int i = 0; i < TheISA::NumIntRegs; i++) {
278 outs << setw(16) << "0x" << hex << thread->readIntReg(i)
279 << setw(16) << "0x" << hex << shared_data->intregs[i];
280
281 if (thread->readIntReg(i) != shared_data->intregs[i])
282 outs << "<--- Different";
283 outs << endl;
284 }
285 }
286
287 compared = true;
288 shared_data->flags = OWN_LEGION;
289 }
290 }
291
292 }
225}
226
227
228vector<bool> Trace::InstRecord::flags(NUM_BITS);
229string Trace::InstRecord::trace_system;
230
231////////////////////////////////////////////////////////////////////////
232//

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266Param<bool> exe_trace_print_cp_seq(&exeTraceParams, "print_cpseq",
267 "print correct-path sequence number", false);
268Param<bool> exe_trace_print_reg_delta(&exeTraceParams, "print_reg_delta",
269 "print which registers changed to what", false);
270Param<bool> exe_trace_pc_symbol(&exeTraceParams, "pc_symbol",
271 "Use symbols for the PC if available", true);
272Param<bool> exe_trace_intel_format(&exeTraceParams, "intel_format",
273 "print trace in intel compatible format", false);
293}
294
295
296vector<bool> Trace::InstRecord::flags(NUM_BITS);
297string Trace::InstRecord::trace_system;
298
299////////////////////////////////////////////////////////////////////////
300//

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334Param<bool> exe_trace_print_cp_seq(&exeTraceParams, "print_cpseq",
335 "print correct-path sequence number", false);
336Param<bool> exe_trace_print_reg_delta(&exeTraceParams, "print_reg_delta",
337 "print which registers changed to what", false);
338Param<bool> exe_trace_pc_symbol(&exeTraceParams, "pc_symbol",
339 "Use symbols for the PC if available", true);
340Param<bool> exe_trace_intel_format(&exeTraceParams, "intel_format",
341 "print trace in intel compatible format", false);
342Param<bool> exe_trace_legion_lockstep(&exeTraceParams, "legion_lockstep",
343 "Compare sim state to legion state every cycle",
344 false);
274Param<string> exe_trace_system(&exeTraceParams, "trace_system",
275 "print trace of which system (client or server)",
276 "client");
277
278
279//
280// Helper function for ExecutionTraceParamContext::checkParams() just
281// to get us into the InstRecord namespace

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291 flags[PRINT_RESULT_DATA] = exe_trace_print_effaddr;
292 flags[PRINT_EFF_ADDR] = exe_trace_print_data;
293 flags[PRINT_INT_REGS] = exe_trace_print_iregs;
294 flags[PRINT_FETCH_SEQ] = exe_trace_print_fetchseq;
295 flags[PRINT_CP_SEQ] = exe_trace_print_cp_seq;
296 flags[PRINT_REG_DELTA] = exe_trace_print_reg_delta;
297 flags[PC_SYMBOL] = exe_trace_pc_symbol;
298 flags[INTEL_FORMAT] = exe_trace_intel_format;
345Param<string> exe_trace_system(&exeTraceParams, "trace_system",
346 "print trace of which system (client or server)",
347 "client");
348
349
350//
351// Helper function for ExecutionTraceParamContext::checkParams() just
352// to get us into the InstRecord namespace

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362 flags[PRINT_RESULT_DATA] = exe_trace_print_effaddr;
363 flags[PRINT_EFF_ADDR] = exe_trace_print_data;
364 flags[PRINT_INT_REGS] = exe_trace_print_iregs;
365 flags[PRINT_FETCH_SEQ] = exe_trace_print_fetchseq;
366 flags[PRINT_CP_SEQ] = exe_trace_print_cp_seq;
367 flags[PRINT_REG_DELTA] = exe_trace_print_reg_delta;
368 flags[PC_SYMBOL] = exe_trace_pc_symbol;
369 flags[INTEL_FORMAT] = exe_trace_intel_format;
370 flags[LEGION_LOCKSTEP] = exe_trace_legion_lockstep;
299 trace_system = exe_trace_system;
371 trace_system = exe_trace_system;
372
373 // If were going to be in lockstep with Legion
374 // Setup shared memory, and get otherwise ready
375 if (flags[LEGION_LOCKSTEP]) {
376 int shmfd = shmget(getuid(), sizeof(SharedData), 0777);
377 if (shmfd < 0)
378 fatal("Couldn't get shared memory fd. Is Legion running?");
379
380 shared_data = (SharedData*)shmat(shmfd, NULL, SHM_RND);
381 if (shared_data == (SharedData*)-1)
382 fatal("Couldn't allocate shared memory");
383
384 if (shared_data->flags != OWN_M5)
385 fatal("Shared memory has invalid owner");
386
387 if (shared_data->version != VERSION)
388 fatal("Shared Data is wrong version! M5: %d Legion: %d", VERSION,
389 shared_data->version);
390
391 }
300}
301
302void
303ExecutionTraceParamContext::checkParams()
304{
305 Trace::InstRecord::setParams();
306}
307
392}
393
394void
395ExecutionTraceParamContext::checkParams()
396{
397 Trace::InstRecord::setParams();
398}
399