VMS/VMS_Implementations/VMS_impls/VMS__MC_shared

view VMS.h @ 167:981acd1db6af

Separate UCC recording from VMS core and put it into SSR plugin

author	Nina Engelhardt
date	Mon, 05 Dec 2011 18:59:48 +0100
parents	aefd87f9d12f
children	3bd35fc83c61

line source

1 /*

3 * Licensed under GNU General Public License version 2

4 *

5 * Author: seanhalle@yahoo.com

6 *

7 */

9 #ifndef _VMS_H

10 #define _VMS_H

11 #define _GNU_SOURCE

13 #include "VMS_primitive_data_types.h"

14 #include "Queue_impl/PrivateQueue.h"

15 #include "Histogram/Histogram.h"

16 #include "DynArray/DynArray.h"

17 #include "Hash_impl/PrivateHash.h"

18 #include "vmalloc.h"

19 #include "Counters/Counters.h"

20 #include "loop.h"

22 #include <pthread.h>

23 #include <sys/time.h>

26 //=============================== Debug ===================================

27 //

28 //When SEQUENTIAL is defined, VMS does sequential exe in the main thread

29 // It still does co-routines and all the mechanisms are the same, it just

30 // has only a single thread and animates VPs one at a time

31 //#define SEQUENTIAL

33 //#define USE_WORK_STEALING

35 //turns on the probe-instrumentation in the application -- when not

36 // defined, the calls to the probe functions turn into comments

37 //#define STATS__ENABLE_PROBES

38 //#define TURN_ON_DEBUG_PROBES

40 //These defines turn types of bug messages on and off

41 // be sure debug messages are un-commented (next block of defines)

42 #define dbgAppFlow FALSE /* Top level flow of application code -- general*/

43 #define dbgProbes FALSE /* for issues inside probes themselves*/

44 #define dbgB2BMaster FALSE /* in coreloop, back to back master VPs*/

45 #define dbgRqstHdlr FALSE /* in request handler code*/

46 #define dbgDependency TRUE /* in request handler code, print dependencies */

48 //Comment or un- the substitute half to turn on/off types of debug message

49 #define DEBUG( bool, msg) \

50 if( bool){ printf(msg); fflush(stdin);}

51 #define DEBUG1( bool, msg, param) \

52 if(bool){printf(msg, param); fflush(stdin);}

53 #define DEBUG2( bool, msg, p1, p2) \

54 if(bool) {printf(msg, p1, p2); fflush(stdin);}

56 #define ERROR(msg) printf(msg);

57 #define ERROR1(msg, param) printf(msg, param);

58 #define ERROR2(msg, p1, p2) printf(msg, p1, p2);

60 //=========================== STATS =======================

62 //when MEAS__TIME_STAMP_SUSP is defined, causes code to be inserted and

63 // compiled-in that saves the low part of the time stamp count just before

64 // suspending a processor and just after resuming that processor. It is

65 // saved into a field added to VirtProcr. Have to sanity-check for

66 // rollover of low portion into high portion.

67 //#define MEAS__TIME_STAMP_SUSP

68 //#define MEAS__TIME_MASTER

69 //#define MEAS__TIME_PLUGIN

70 //#define MEAS__TIME_MALLOC

71 //#define MEAS__TIME_MASTER_LOCK

72 //#define MEAS__NUM_TIMES_TO_RUN 100000

74 //For code that calculates normalization-offset between TSC counts of

75 // different cores.

76 //#define NUM_TSC_ROUND_TRIPS 10

78 #define MEAS__PERF_COUNTERS

79 #define OBSERVE_UCC

80 #define DETECT_LOOP_GRAPH

82 //========================= Hardware related Constants =====================

83 //This value is the number of hardware threads in the shared memory

84 // machine

85 #define NUM_CORES 2

87 // tradeoff amortizing master fixed overhead vs imbalance potential

88 // when work-stealing, can make bigger, at risk of losing cache affinity

89 #define NUM_SCHED_SLOTS 5

91 #define MIN_WORK_UNIT_CYCLES 20000

93 #define MASTERLOCK_RETRIES 10000

95 // stack size in virtual processors created

96 #define VIRT_PROCR_STACK_SIZE 0x8000 /* 32K */

98 // memory for VMS__malloc

99 #define MALLOC_ADDITIONAL_MEM_FROM_OS_SIZE 0x10000000 /* 256M */

100

101 #define CACHE_LINE 64

102 #define PAGE_SIZE 4096

103

104

105 //==============================

106

107 #define SUCCESS 0

108

109 #define writeVMSQ writePrivQ

110 #define readVMSQ readPrivQ

111 #define makeVMSQ makeVMSPrivQ

112 #define numInVMSQ numInPrivQ

113 #define VMSQueueStruc PrivQueueStruc

114

115

116

117 //===========================================================================

118 typedef unsigned long long TSCount;

119

120 typedef struct _SchedSlot SchedSlot;

121 typedef struct _VMSReqst VMSReqst;

122 typedef struct _VirtProcr VirtProcr;

123 typedef struct _IntervalProbe IntervalProbe;

124 typedef struct _GateStruc GateStruc;

125

126

127 typedef VirtProcr * (*SlaveScheduler) ( void *, int ); //semEnv, coreIdx

128 typedef void (*RequestHandler) ( VirtProcr *, void * ); //prWReqst, semEnv

129 typedef void (*VirtProcrFnPtr) ( void *, VirtProcr * ); //initData, animPr

130 typedef void VirtProcrFn ( void *, VirtProcr * ); //initData, animPr

131 typedef void (*ResumePrFnPtr) ( VirtProcr *, void * );

132

133

134 //============= Requests ===========

135 //

136

137 enum VMSReqstType //avoid starting enums at 0, for debug reasons

138 {

139 semantic = 1,

140 createReq,

141 dissipate,

142 VMSSemantic //goes with VMSSemReqst below

143 };

144

145 struct _VMSReqst

146 {

147 enum VMSReqstType reqType;//used for dissipate and in future for IO requests

148 void *semReqData;

149

150 VMSReqst *nextReqst;

151 };

152 //VMSReqst

153

154 enum VMSSemReqstType //These are equivalent to semantic requests, but for

155 { // VMS's services available directly to app, like OS

156 createProbe = 1, // and probe services -- like a VMS-wide built-in lang

157 openFile,

158 otherIO

159 };

160

161 typedef struct

162 { enum VMSSemReqstType reqType;

163 VirtProcr *requestingPr;

164 char *nameStr; //for create probe

165 }

166 VMSSemReq;

167

168

169 //==================== Core data structures ===================

170

171 struct _SchedSlot

172 {

173 int workIsDone;

174 int needsProcrAssigned;

175 VirtProcr *procrAssignedToSlot;

176 };

177 //SchedSlot

178

179 /*WARNING: re-arranging this data structure could cause VP switching

180 * assembly code to fail -- hard-codes offsets of fields

181 */

182 struct _VirtProcr

183 { int procrID; //for debugging -- count up each time create

184 int coreAnimatedBy;

185 void *startOfStack;

186 void *stackPtr;

187 void *framePtr;

188 void *nextInstrPt;

189

190 void *coreLoopStartPt; //allows proto-runtime to be linked later

191 void *coreLoopFramePtr; //restore before jmp back to core loop

192 void *coreLoopStackPtr; //restore before jmp back to core loop

193

194 void *initialData;

195

196 SchedSlot *schedSlot;

197 VMSReqst *requests;

198

199 void *semanticData; //this livesUSE_GNU here for the life of VP

200 void *dataRetFromReq;//values returned from plugin to VP go here

201

202 //=========== MEASUREMENT STUFF ==========

203 #ifdef MEAS__TIME_STAMP_SUSP

204 unsigned int preSuspTSCLow;

205 unsigned int postSuspTSCLow;

206 #endif

207 #ifdef MEAS__TIME_MASTER /* in VirtProcr because multiple masterVPs*/

208 unsigned int startMasterTSCLow;USE_GNU

209 unsigned int endMasterTSCLow;

210 #endif

211 #ifdef MEAS__PERF_COUNTERS //

212 CounterRecord** counter_history;

213 PrivDynArrayInfo* counter_history_array_info;

214 #endif

215 //========================================

216

217 float64 createPtInSecs; //have space but don't use on some configs

218 int numTimesScheduled; //defines units together w/ procrID

219 };

220 //VirtProcr

221

222

223 /*WARNING: re-arranging this data structure could cause VP-switching

224 * assembly code to fail -- hard-codes offsets of fields

225 * (because -O3 messes with things otherwise)

226 */

227 typedef struct

228 {

229 SlaveScheduler slaveScheduler;

230 RequestHandler requestHandler;

231

232 SchedSlot ***allSchedSlots;

233 VMSQueueStruc **readyToAnimateQs;

234 VirtProcr **masterVPs;

235

236 void *semanticEnv;

237 void *OSEventStruc; //for future, when add I/O to BLIS

238 MallocProlog *freeListHead;

239 int32 amtOfOutstandingMem; //total currently allocated

240

241 void *coreLoopReturnPt;//addr to jump to to re-enter coreLoop

242

243 int32 setupComplete;

244 volatile int32 masterLock;

245

246 int32 numMasterInARow[NUM_CORES];//detect back-to-back masterVP

247 GateStruc *workStealingGates[ NUM_CORES ]; //concurrent work-steal

248 int32 workStealingLock;

249

250 int32 numProcrsCreated; //gives ordering to processor creation

251

252 //=========== MEASUREMENT STUFF =============

253 IntervalProbe **intervalProbes;

254 PrivDynArrayInfo *dynIntervalProbesInfo;

255 HashTable *probeNameHashTbl;

256 int32 masterCreateProbeID;

257 float64 createPtInSecs;

258 Histogram **measHists;

259 PrivDynArrayInfo *measHistsInfo;

260 #ifdef MEAS__TIME_PLUGIN

261 Histogram *reqHdlrLowTimeHist;

262 Histogram *reqHdlrHighTimeHist;

263 #endif

264 #ifdef MEAS__TIME_MALLOC

265 Histogram *mallocTimeHist;

266 Histogram *freeTimeHist;

267 #endif

268 #ifdef MEAS__TIME_MASTER_LOCK

269 Histogram *masterLockLowTimeHist;

270 Histogram *masterLockHighTimeHist;

271 #endif

272 #ifdef MEAS__PERF_COUNTERS

273 int cycles_counter_fd[NUM_CORES];

274 int instrs_counter_fd[NUM_CORES];

275 FILE* counteroutput;

276 #endif

277 #ifdef MEAS__PERF_COUNTERS //

278 CounterRecord** counter_history;

279 PrivDynArrayInfo* counter_history_array_info;

280 #endif

281 #ifdef DETECT_LOOP_GRAPH

282 bulb* loop_graph;

283 PrivDynArrayInfo* loop_graph_array_info;

284 int loop_counter[NUM_CORES];

285 #endif

286 }

287 MasterEnv;

288

289 //========================= Extra Stuff Data Strucs =======================

290 typedef struct

291 {

292

293 }

294 VMSExcp;

295

296 struct _GateStruc

297 {

298 int32 gateClosed;

299 int32 preGateProgress;

300 int32 waitProgress;

301 int32 exitProgress;

302 };

303 //GateStruc

304

305 //======================= OS Thread related ===============================

306

307 void * coreLoop( void *paramsIn ); //standard PThreads fn prototype

308 void * coreLoop_Seq( void *paramsIn ); //standard PThreads fn prototype

309 void masterLoop( void *initData, VirtProcr *masterPr );

310

311

312 typedef struct

313 {

314 void *endThdPt;

315 unsigned int coreNum;

316 }

317 ThdParams;

318

319 pthread_t coreLoopThdHandles[ NUM_CORES ]; //pthread's virt-procr state

320 ThdParams *coreLoopThdParams [ NUM_CORES ];

321 pthread_mutex_t suspendLock;

322 pthread_cond_t suspend_cond;

323

324

325

326 //===================== Global Vars ===================

327

328 volatile MasterEnv *_VMSMasterEnv;

329

330

331

332

333 //=========================== Function Prototypes =========================

334

335

336 //========== Setup and shutdown ==========

337 void

338 VMS__init();

339

340 void

341 VMS__init_Seq();

342

343 void

344 VMS__start_the_work_then_wait_until_done();

345

346 void

347 VMS__start_the_work_then_wait_until_done_Seq();

348

349 inline VirtProcr *

350 VMS__create_procr( VirtProcrFnPtr fnPtr, void *initialData );

351

352 void

353 VMS__dissipate_procr( VirtProcr *procrToDissipate );

354

355 //Use this to create processor inside entry point & other places outside

356 // the VMS system boundary (IE, not run in slave nor Master)

357 VirtProcr *

358 VMS_ext__create_procr( VirtProcrFnPtr fnPtr, void *initialData );

359

360 void

361 VMS_ext__dissipate_procr( VirtProcr *procrToDissipate );

362

363 void

364 VMS__throw_exception( char *msgStr, VirtProcr *reqstPr, VMSExcp *excpData );

365

366 void

367 VMS__shutdown();

368

369 void

370 VMS__cleanup_at_end_of_shutdown();

371

372 void *

373 VMS__give_sem_env_for( VirtProcr *animPr );

374

375

376 //============== Request Related ===============

377

378 void

379 VMS__suspend_procr( VirtProcr *callingPr );

380

381 inline void

382 VMS__add_sem_request_in_mallocd_VMSReqst( void *semReqData, VirtProcr *callingPr );

383

384 /*inline*/ __attribute__ ((noinline)) void

385 VMS__send_sem_request( void *semReqData, VirtProcr *callingPr );

386

387 void

388 VMS__send_create_procr_req( void *semReqData, VirtProcr *reqstingPr );

389

390 void /*inline**/ __attribute__ ((noinline))

391 VMS__send_dissipate_req( VirtProcr *prToDissipate );

392

393 /*inline**/ __attribute__ ((noinline)) void

394 VMS__send_VMSSem_request( void *semReqData, VirtProcr *callingPr );

395

396 VMSReqst *

397 VMS__take_next_request_out_of( VirtProcr *procrWithReq );

398

399 inline void *

400 VMS__take_sem_reqst_from( VMSReqst *req );

401

402 void inline

403 VMS__handle_VMSSemReq( VMSReqst *req, VirtProcr *requestingPr, void *semEnv,

404 ResumePrFnPtr resumePrFnPtr );

405

406 //======================== STATS ======================

407

408 //===== RDTSC wrapper ===== //Also runs with x86_64 code

409

410 #define saveTimeStampCountInto(low, high) \

411 asm volatile("RDTSC; \

412 movl %%eax, %0; \

413 movl %%edx, %1;" \

414 /* outputs */ : "=m" (low), "=m" (high)\

415 /* inputs */ : \

416 /* clobber */ : "%eax", "%edx" \

417 );

418

419 #define saveLowTimeStampCountInto(low) \

420 asm volatile("RDTSC; \

421 movl %%eax, %0;" \

422 /* outputs */ : "=m" (low) \

423 /* inputs */ : \

424 /* clobber */ : "%eax", "%edx" \

425 );

426

427 //====================

428 #define makeAMeasHist( idx, name, numBins, startVal, binWidth ) \

429 makeHighestDynArrayIndexBeAtLeast( _VMSMasterEnv->measHistsInfo, idx ); \

430 _VMSMasterEnv->measHists[idx] = \

431 makeFixedBinHist( numBins, startVal, binWidth, name );

432

433 #define saveCyclesAndInstrs(core,cycles,instrs) do{ \

434 int cycles_fd = _VMSMasterEnv->cycles_counter_fd[core]; \

435 int instrs_fd = _VMSMasterEnv->instrs_counter_fd[core]; \

436 int nread; \

437 \

438 nread = read(cycles_fd,&(cycles),sizeof(cycles)); \

439 if(nread<0){ \

440 perror("Error reading cycles counter"); \

441 cycles = 0; \

442 } \

443 \

444 nread = read(instrs_fd,&(instrs),sizeof(instrs)); \

445 if(nread<0){ \

446 perror("Error reading cycles counter"); \

447 instrs = 0; \

448 } \

449 } while (0)

450

451 #define getReturnAddressBeforeLibraryCall(vp_ptr, res_ptr) do{ \

452 void* frame_ptr0 = vp_ptr->framePtr; \

453 void* frame_ptr1 = *((void**)frame_ptr0); \

454 void* frame_ptr2 = *((void**)frame_ptr1); \

455 void* frame_ptr3 = *((void**)frame_ptr2); \

456 void* ret_addr = *((void**)frame_ptr3 + 1); \

457 *res_ptr = ret_addr; \

458 } while (0)

459

460 #define MEAS__SUB_CREATE /*turn on/off subtraction of create from plugin*/

461

462 #ifdef VPTHREAD

463

464 //VPThread

465 #define createHistIdx 1

466 #define mutexLockHistIdx 2

467 #define mutexUnlockHistIdx 3

468 #define condWaitHistIdx 4

469 #define condSignalHistIdx 5

470

471 #define MakeTheMeasHists() \

472 _VMSMasterEnv->measHistsInfo = \

473 makePrivDynArrayOfSize( (void***)&(_VMSMasterEnv->measHists), 200); \

474 makeAMeasHist( createHistIdx, "create", 250, 0, 100 ) \

475 makeAMeasHist( mutexLockHistIdx, "mutex_lock", 50, 0, 100 ) \

476 makeAMeasHist( mutexUnlockHistIdx, "mutex_unlock", 50, 0, 100 ) \

477 makeAMeasHist( condWaitHistIdx, "cond_wait", 50, 0, 100 ) \

478 makeAMeasHist( condSignalHistIdx, "cond_signal", 50, 0, 100 )

479

480 #endif

481

482

483 #ifdef VCILK

484

485 //VCilk

486 #define spawnHistIdx 1

487 #define syncHistIdx 2

488

489 #define MakeTheMeasHists() \

490 _VMSMasterEnv->measHistsInfo = \

491 makePrivDynArrayOfSize( (void***)&(_VMSMasterEnv->measHists), 200); \

492 makeAMeasHist( spawnHistIdx, "Spawn", 50, 0, 200 ) \

493 makeAMeasHist( syncHistIdx, "Sync", 50, 0, 200 )

494

495

496 #endif

497

498 #ifdef SSR

499

500 //SSR

501 #define SendFromToHistIdx 1

502 #define SendOfTypeHistIdx 2

503 #define ReceiveFromToHistIdx 3

504 #define ReceiveOfTypeHistIdx 4

505

506 #define MakeTheMeasHists() \

507 _VMSMasterEnv->measHistsInfo = \

508 makePrivDynArrayOfSize( (void***)&(_VMSMasterEnv->measHists), 200); \

509 makeAMeasHist( SendFromToHistIdx, "SendFromTo", 50, 0, 100 ) \

510 makeAMeasHist( SendOfTypeHistIdx, "SendOfType", 50, 0, 100 ) \

511 makeAMeasHist( ReceiveFromToHistIdx,"ReceiveFromTo", 50, 0, 100 ) \

512 makeAMeasHist( ReceiveOfTypeHistIdx,"ReceiveOfType", 50, 0, 100 )

513

514 #endif

515

516 //===========================================================================

517 //VPThread

518

519

520 #define Meas_startCreate \

521 int32 startStamp, endStamp; \

522 saveLowTimeStampCountInto( startStamp ); \

523

524 #define Meas_endCreate \

525 saveLowTimeStampCountInto( endStamp ); \

526 addIntervalToHist( startStamp, endStamp, \

527 _VMSMasterEnv->measHists[ createHistIdx ] );

528

529 #define Meas_startMutexLock \

530 int32 startStamp, endStamp; \

531 saveLowTimeStampCountInto( startStamp ); \

532

533 #define Meas_endMutexLock \

534 saveLowTimeStampCountInto( endStamp ); \

535 addIntervalToHist( startStamp, endStamp, \

536 _VMSMasterEnv->measHists[ mutexLockHistIdx ] );

537

538 #define Meas_startMutexUnlock \

539 int32 startStamp, endStamp; \

540 saveLowTimeStampCountInto( startStamp ); \

541

542 #define Meas_endMutexUnlock \

543 saveLowTimeStampCountInto( endStamp ); \

544 addIntervalToHist( startStamp, endStamp, \

545 _VMSMasterEnv->measHists[ mutexUnlockHistIdx ] );

546

547 #define Meas_startCondWait \

548 int32 startStamp, endStamp; \

549 saveLowTimeStampCountInto( startStamp ); \

550

551 #define Meas_endCondWait \

552 saveLowTimeStampCountInto( endStamp ); \

553 addIntervalToHist( startStamp, endStamp, \

554 _VMSMasterEnv->measHists[ condWaitHistIdx ] );

555

556 #define Meas_startCondSignal \

557 int32 startStamp, endStamp; \

558 saveLowTimeStampCountInto( startStamp ); \

559

560 #define Meas_endCondSignal \

561 saveLowTimeStampCountInto( endStamp ); \

562 addIntervalToHist( startStamp, endStamp, \

563 _VMSMasterEnv->measHists[ condSignalHistIdx ] );

564

565 //===========================================================================

566 // VCilk

567 #define Meas_startSpawn \

568 int32 startStamp, endStamp; \

569 saveLowTimeStampCountInto( startStamp ); \

570

571 #define Meas_endSpawn \

572 saveLowTimeStampCountInto( endStamp ); \

573 addIntervalToHist( startStamp, endStamp, \

574 _VMSMasterEnv->measHists[ spawnHistIdx ] );

575

576 #define Meas_startSync \

577 int32 startStamp, endStamp; \

578 saveLowTimeStampCountInto( startStamp ); \

579

580 #define Meas_endSync \

581 saveLowTimeStampCountInto( endStamp ); \

582 addIntervalToHist( startStamp, endStamp, \

583 _VMSMasterEnv->measHists[ syncHistIdx ] );

584

585 //===========================================================================

586 // SSR

587 #define Meas_startSendFromTo \

588 int32 startStamp, endStamp; \

589 saveLowTimeStampCountInto( startStamp ); \

590

591 #define Meas_endSendFromTo \

592 saveLowTimeStampCountInto( endStamp ); \

593 addIntervalToHist( startStamp, endStamp, \

594 _VMSMasterEnv->measHists[ SendFromToHistIdx ] );

595

596 #define Meas_startSendOfType \

597 int32 startStamp, endStamp; \

598 saveLowTimeStampCountInto( startStamp ); \

599

600 #define Meas_endSendOfType \

601 saveLowTimeStampCountInto( endStamp ); \

602 addIntervalToHist( startStamp, endStamp, \

603 _VMSMasterEnv->measHists[ SendOfTypeHistIdx ] );

604

605 #define Meas_startReceiveFromTo \

606 int32 startStamp, endStamp; \

607 saveLowTimeStampCountInto( startStamp ); \

608

609 #define Meas_endReceiveFromTo \

610 saveLowTimeStampCountInto( endStamp ); \

611 addIntervalToHist( startStamp, endStamp, \

612 _VMSMasterEnv->measHists[ ReceiveFromToHistIdx ] );

613

614 #define Meas_startReceiveOfType \

615 int32 startStamp, endStamp; \

616 saveLowTimeStampCountInto( startStamp ); \

617

618 #define Meas_endReceiveOfType \

619 saveLowTimeStampCountInto( endStamp ); \

620 addIntervalToHist( startStamp, endStamp, \

621 _VMSMasterEnv->measHists[ReceiveOfTypeHistIdx ] );

622

623 //=====

624

625 #include "ProcrContext.h"

626 #include "probes.h"

627 #include "vutilities.h"

628

629 #endif /* _VMS_H */

630

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view VMS.h @ 167:981acd1db6af