Actual source code: mtr.c
petsc-3.4.2 2013-07-02
2: /*
3: Interface to malloc() and free(). This code allows for
4: logging of memory usage and some error checking
5: */
6: #include <petscsys.h> /*I "petscsys.h" I*/
7: #include <petscviewer.h>
8: #if defined(PETSC_HAVE_MALLOC_H)
9: #include <malloc.h>
10: #endif
13: /*
14: These are defined in mal.c and ensure that malloced space is PetscScalar aligned
15: */
16: extern PetscErrorCode PetscMallocAlign(size_t,int,const char[],const char[],const char[],void**);
17: extern PetscErrorCode PetscFreeAlign(void*,int,const char[],const char[],const char[]);
18: extern PetscErrorCode PetscTrMallocDefault(size_t,int,const char[],const char[],const char[],void**);
19: extern PetscErrorCode PetscTrFreeDefault(void*,int,const char[],const char[],const char[]);
22: #define CLASSID_VALUE ((PetscClassId) 0xf0e0d0c9)
23: #define ALREADY_FREED ((PetscClassId) 0x0f0e0d9c)
25: typedef struct _trSPACE {
26: size_t size;
27: int id;
28: int lineno;
29: const char *filename;
30: const char *functionname;
31: const char *dirname;
32: PetscClassId classid;
33: #if defined(PETSC_USE_DEBUG)
34: PetscStack stack;
35: #endif
36: struct _trSPACE *next,*prev;
37: } TRSPACE;
39: /* HEADER_BYTES is the number of bytes in a PetscMalloc() header.
40: It is sizeof(TRSPACE) padded to be a multiple of PETSC_MEMALIGN.
41: */
43: #define HEADER_BYTES ((sizeof(TRSPACE)+(PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1))
46: /* This union is used to insure that the block passed to the user retains
47: a minimum alignment of PETSC_MEMALIGN.
48: */
49: typedef union {
50: TRSPACE sp;
51: char v[HEADER_BYTES];
52: } TrSPACE;
55: static size_t TRallocated = 0;
56: static int TRfrags = 0;
57: static TRSPACE *TRhead = 0;
58: static int TRid = 0;
59: static PetscBool TRdebugLevel = PETSC_FALSE;
60: static size_t TRMaxMem = 0;
61: /*
62: Arrays to log information on all Mallocs
63: */
64: static int PetscLogMallocMax = 10000,PetscLogMalloc = -1;
65: static size_t PetscLogMallocThreshold = 0;
66: static size_t *PetscLogMallocLength;
67: static const char **PetscLogMallocDirectory,**PetscLogMallocFile,**PetscLogMallocFunction;
71: PetscErrorCode PetscSetUseTrMalloc_Private(void)
72: {
76: PetscMallocSet(PetscTrMallocDefault,PetscTrFreeDefault);
78: TRallocated = 0;
79: TRfrags = 0;
80: TRhead = 0;
81: TRid = 0;
82: TRdebugLevel = PETSC_FALSE;
83: TRMaxMem = 0;
84: PetscLogMallocMax = 10000;
85: PetscLogMalloc = -1;
86: return(0);
87: }
91: /*@C
92: PetscMallocValidate - Test the memory for corruption. This can be used to
93: check for memory overwrites.
95: Input Parameter:
96: + line - line number where call originated.
97: . function - name of function calling
98: . file - file where function is
99: - dir - directory where function is
101: Return value:
102: The number of errors detected.
104: Output Effect:
105: Error messages are written to stdout.
107: Level: advanced
109: Notes:
110: You should generally use CHKMEMQ as a short cut for calling this
111: routine.
113: The line, function, file and dir are given by the C preprocessor as
114: __LINE__, __FUNCT__, __FILE__, and __DIR__
116: The Fortran calling sequence is simply PetscMallocValidate(ierr)
118: No output is generated if there are no problems detected.
120: .seealso: CHKMEMQ
122: @*/
123: PetscErrorCode PetscMallocValidate(int line,const char function[],const char file[],const char dir[])
124: {
125: TRSPACE *head,*lasthead;
126: char *a;
127: PetscClassId *nend;
130: head = TRhead; lasthead = NULL;
131: while (head) {
132: if (head->classid != CLASSID_VALUE) {
133: (*PetscErrorPrintf)("PetscMallocValidate: error detected at %s() line %d in %s%s\n",function,line,dir,file);
134: (*PetscErrorPrintf)("Memory at address %p is corrupted\n",head);
135: (*PetscErrorPrintf)("Probably write past beginning or end of array\n");
136: if (lasthead) (*PetscErrorPrintf)("Last intact block allocated in %s() line %d in %s%s\n",lasthead->functionname,lasthead->lineno,lasthead->dirname,lasthead->filename);
137: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC," ");
138: }
139: a = (char*)(((TrSPACE*)head) + 1);
140: nend = (PetscClassId*)(a + head->size);
141: if (*nend != CLASSID_VALUE) {
142: (*PetscErrorPrintf)("PetscMallocValidate: error detected at %s() line %d in %s%s\n",function,line,dir,file);
143: if (*nend == ALREADY_FREED) {
144: (*PetscErrorPrintf)("Memory [id=%d(%.0f)] at address %p already freed\n",head->id,(PetscLogDouble)head->size,a);
145: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC," ");
146: } else {
147: (*PetscErrorPrintf)("Memory [id=%d(%.0f)] at address %p is corrupted (probably write past end of array)\n",head->id,(PetscLogDouble)head->size,a);
148: (*PetscErrorPrintf)("Memory originally allocated in %s() line %d in %s%s\n",head->functionname,head->lineno,head->dirname,head->filename);
149: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC," ");
150: }
151: }
152: lasthead = head;
153: head = head->next;
154: }
155: return(0);
156: }
160: /*
161: PetscTrMallocDefault - Malloc with tracing.
163: Input Parameters:
164: + a - number of bytes to allocate
165: . lineno - line number where used. Use __LINE__ for this
166: . function - function calling routine. Use __FUNCT__ for this
167: . filename - file name where used. Use __FILE__ for this
168: - dir - directory where file is. Use __SDIR__ for this
170: Returns:
171: double aligned pointer to requested storage, or null if not
172: available.
173: */
174: PetscErrorCode PetscTrMallocDefault(size_t a,int lineno,const char function[],const char filename[],const char dir[],void **result)
175: {
176: TRSPACE *head;
177: char *inew;
178: size_t nsize;
182: if (!a) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Trying to malloc zero size array");
184: if (TRdebugLevel) {
185: PetscMallocValidate(lineno,function,filename,dir); if (ierr) PetscFunctionReturn(ierr);
186: }
188: nsize = (a + (PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1);
189: PetscMallocAlign(nsize+sizeof(TrSPACE)+sizeof(PetscClassId),lineno,function,filename,dir,(void**)&inew);
191: head = (TRSPACE*)inew;
192: inew += sizeof(TrSPACE);
194: if (TRhead) TRhead->prev = head;
195: head->next = TRhead;
196: TRhead = head;
197: head->prev = 0;
198: head->size = nsize;
199: head->id = TRid;
200: head->lineno = lineno;
202: head->filename = filename;
203: head->functionname = function;
204: head->dirname = dir;
205: head->classid = CLASSID_VALUE;
206: *(PetscClassId*)(inew + nsize) = CLASSID_VALUE;
208: TRallocated += nsize;
209: if (TRallocated > TRMaxMem) TRMaxMem = TRallocated;
210: TRfrags++;
212: #if defined(PETSC_USE_DEBUG)
213: PetscStackCopy((PetscStack*)PetscThreadLocalGetValue(petscstack),&head->stack);
215: head->stack.line[head->stack.currentsize-2] = lineno;
216: #endif
218: /*
219: Allow logging of all mallocs made
220: */
221: if (PetscLogMalloc > -1 && PetscLogMalloc < PetscLogMallocMax && a >= PetscLogMallocThreshold) {
222: if (!PetscLogMalloc) {
223: PetscLogMallocLength = (size_t*)malloc(PetscLogMallocMax*sizeof(size_t));
224: if (!PetscLogMallocLength) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM," ");
226: PetscLogMallocDirectory = (const char**)malloc(PetscLogMallocMax*sizeof(char*));
227: if (!PetscLogMallocDirectory) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM," ");
229: PetscLogMallocFile = (const char**)malloc(PetscLogMallocMax*sizeof(char*));
230: if (!PetscLogMallocFile) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM," ");
232: PetscLogMallocFunction = (const char**)malloc(PetscLogMallocMax*sizeof(char*));
233: if (!PetscLogMallocFunction) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM," ");
234: }
235: PetscLogMallocLength[PetscLogMalloc] = nsize;
236: PetscLogMallocDirectory[PetscLogMalloc] = dir;
237: PetscLogMallocFile[PetscLogMalloc] = filename;
238: PetscLogMallocFunction[PetscLogMalloc++] = function;
239: }
240: *result = (void*)inew;
241: return(0);
242: }
247: /*
248: PetscTrFreeDefault - Free with tracing.
250: Input Parameters:
251: . a - pointer to a block allocated with PetscTrMalloc
252: . lineno - line number where used. Use __LINE__ for this
253: . function - function calling routine. Use __FUNCT__ for this
254: . file - file name where used. Use __FILE__ for this
255: . dir - directory where file is. Use __SDIR__ for this
256: */
257: PetscErrorCode PetscTrFreeDefault(void *aa,int line,const char function[],const char file[],const char dir[])
258: {
259: char *a = (char*)aa;
260: TRSPACE *head;
261: char *ahead;
263: PetscClassId *nend;
266: /* Do not try to handle empty blocks */
267: if (!a) {
268: (*PetscErrorPrintf)("PetscTrFreeDefault called from %s() line %d in %s%s\n",function,line,dir,file);
269: SETERRQ4(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Trying to free null block: Free called from %s() line %d in %s%s\n",function,line,dir,file);
270: }
272: if (TRdebugLevel) {
273: PetscMallocValidate(line,function,file,dir);
274: }
276: ahead = a;
277: a = a - sizeof(TrSPACE);
278: head = (TRSPACE*)a;
280: if (head->classid != CLASSID_VALUE) {
281: (*PetscErrorPrintf)("PetscTrFreeDefault() called from %s() line %d in %s%s\n",function,line,dir,file);
282: (*PetscErrorPrintf)("Block at address %p is corrupted; cannot free;\nmay be block not allocated with PetscMalloc()\n",a);
283: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC,"Bad location or corrupted memory");
284: }
285: nend = (PetscClassId*)(ahead + head->size);
286: if (*nend != CLASSID_VALUE) {
287: if (*nend == ALREADY_FREED) {
288: (*PetscErrorPrintf)("PetscTrFreeDefault() called from %s() line %d in %s%s\n",function,line,dir,file);
289: (*PetscErrorPrintf)("Block [id=%d(%.0f)] at address %p was already freed\n",head->id,(PetscLogDouble)head->size,a + sizeof(TrSPACE));
290: if (head->lineno > 0 && head->lineno < 50000 /* sanity check */) {
291: (*PetscErrorPrintf)("Block freed in %s() line %d in %s%s\n",head->functionname,head->lineno,head->dirname,head->filename);
292: } else {
293: (*PetscErrorPrintf)("Block allocated in %s() line %d in %s%s\n",head->functionname,-head->lineno,head->dirname,head->filename);
294: }
295: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONG,"Memory already freed");
296: } else {
297: /* Damaged tail */
298: (*PetscErrorPrintf)("PetscTrFreeDefault() called from %s() line %d in %s%s\n",function,line,dir,file);
299: (*PetscErrorPrintf)("Block [id=%d(%.0f)] at address %p is corrupted (probably write past end of array)\n",head->id,(PetscLogDouble)head->size,a);
300: (*PetscErrorPrintf)("Block allocated in %s() line %d in %s%s\n",head->functionname,head->lineno,head->dirname,head->filename);
301: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC,"Corrupted memory");
302: }
303: }
304: /* Mark the location freed */
305: *nend = ALREADY_FREED;
306: /* Save location where freed. If we suspect the line number, mark as allocated location */
307: if (line > 0 && line < 50000) {
308: head->lineno = line;
309: head->filename = file;
310: head->functionname = function;
311: head->dirname = dir;
312: } else {
313: head->lineno = -head->lineno;
314: }
315: /* zero out memory - helps to find some reuse of already freed memory */
316: PetscMemzero(aa,head->size);
318: TRallocated -= head->size;
319: TRfrags--;
320: if (head->prev) head->prev->next = head->next;
321: else TRhead = head->next;
323: if (head->next) head->next->prev = head->prev;
324: PetscFreeAlign(a,line,function,file,dir);
325: return(0);
326: }
331: /*@C
332: PetscMemoryShowUsage - Shows the amount of memory currently being used
333: in a communicator.
335: Collective on PetscViewer
337: Input Parameter:
338: + viewer - the viewer that defines the communicator
339: - message - string printed before values
341: Level: intermediate
343: Concepts: memory usage
345: .seealso: PetscMallocDump(), PetscMemoryGetCurrentUsage()
346: @*/
347: PetscErrorCode PetscMemoryShowUsage(PetscViewer viewer,const char message[])
348: {
349: PetscLogDouble allocated,maximum,resident,residentmax;
351: PetscMPIInt rank;
352: MPI_Comm comm;
355: if (!viewer) viewer = PETSC_VIEWER_STDOUT_WORLD;
356: PetscMallocGetCurrentUsage(&allocated);
357: PetscMallocGetMaximumUsage(&maximum);
358: PetscMemoryGetCurrentUsage(&resident);
359: PetscMemoryGetMaximumUsage(&residentmax);
360: if (residentmax > 0) residentmax = PetscMax(resident,residentmax);
361: PetscObjectGetComm((PetscObject)viewer,&comm);
362: MPI_Comm_rank(comm,&rank);
363: PetscViewerASCIIPrintf(viewer,message);
364: PetscViewerASCIISynchronizedAllow(viewer,PETSC_TRUE);
365: if (resident && residentmax && allocated) {
366: PetscViewerASCIISynchronizedPrintf(viewer,"[%d]Current space PetscMalloc()ed %g, max space PetscMalloced() %g\n[%d]Current process memory %g max process memory %g\n",rank,allocated,maximum,rank,resident,residentmax);
367: } else if (resident && residentmax) {
368: PetscViewerASCIISynchronizedPrintf(viewer,"[%d]Run with -malloc to get statistics on PetscMalloc() calls\n[%d]Current process memory %g max process memory %g\n",rank,rank,resident,residentmax);
369: } else if (resident && allocated) {
370: PetscViewerASCIISynchronizedPrintf(viewer,"[%d]Current space PetscMalloc()ed %g, max space PetscMalloced() %g\n[%d]Current process memory %g, run with -memory_info to get max memory usage\n",rank,allocated,maximum,rank,resident);
371: } else if (allocated) {
372: PetscViewerASCIISynchronizedPrintf(viewer,"[%d]Current space PetscMalloc()ed %g, max space PetscMalloced() %g\n[%d]OS cannot compute process memory\n",rank,allocated,maximum,rank);
373: } else {
374: PetscViewerASCIIPrintf(viewer,"Run with -malloc to get statistics on PetscMalloc() calls\nOS cannot compute process memory\n");
375: }
376: PetscViewerFlush(viewer);
377: PetscViewerASCIISynchronizedAllow(viewer,PETSC_FALSE);
378: return(0);
379: }
383: /*@C
384: PetscMallocGetCurrentUsage - gets the current amount of memory used that was PetscMalloc()ed
386: Not Collective
388: Output Parameters:
389: . space - number of bytes currently allocated
391: Level: intermediate
393: Concepts: memory usage
395: .seealso: PetscMallocDump(), PetscMallocDumpLog(), PetscMallocGetMaximumUsage(), PetscMemoryGetCurrentUsage(),
396: PetscMemoryGetMaximumUsage()
397: @*/
398: PetscErrorCode PetscMallocGetCurrentUsage(PetscLogDouble *space)
399: {
401: *space = (PetscLogDouble) TRallocated;
402: return(0);
403: }
407: /*@C
408: PetscMallocGetMaximumUsage - gets the maximum amount of memory used that was PetscMalloc()ed at any time
409: during this run.
411: Not Collective
413: Output Parameters:
414: . space - maximum number of bytes ever allocated at one time
416: Level: intermediate
418: Concepts: memory usage
420: .seealso: PetscMallocDump(), PetscMallocDumpLog(), PetscMallocGetMaximumUsage(), PetscMemoryGetCurrentUsage(),
421: PetscMemoryGetCurrentUsage()
422: @*/
423: PetscErrorCode PetscMallocGetMaximumUsage(PetscLogDouble *space)
424: {
426: *space = (PetscLogDouble) TRMaxMem;
427: return(0);
428: }
430: #if defined(PETSC_USE_DEBUG)
433: /*@C
434: PetscMallocGetStack - returns a pointer to the stack for the location in the program a call to PetscMalloc() was used to obtain that memory
436: Collective on PETSC_COMM_WORLD
438: Input Parameter:
439: . ptr - the memory location
441: Output Paramter:
442: . stack - the stack indicating where the program allocated this memory
444: Level: intermediate
446: .seealso: PetscMallocGetCurrentUsage(), PetscMallocDumpLog()
447: @*/
448: PetscErrorCode PetscMallocGetStack(void *ptr,PetscStack **stack)
449: {
450: TRSPACE *head;
453: head = (TRSPACE*) (((char*)ptr) - HEADER_BYTES);
454: *stack = &head->stack;
455: return(0);
456: }
457: #endif
461: /*@C
462: PetscMallocDump - Dumps the allocated memory blocks to a file. The information
463: printed is: size of space (in bytes), address of space, id of space,
464: file in which space was allocated, and line number at which it was
465: allocated.
467: Collective on PETSC_COMM_WORLD
469: Input Parameter:
470: . fp - file pointer. If fp is NULL, stdout is assumed.
472: Options Database Key:
473: . -malloc_dump - Dumps unfreed memory during call to PetscFinalize()
475: Level: intermediate
477: Fortran Note:
478: The calling sequence in Fortran is PetscMallocDump(integer ierr)
479: The fp defaults to stdout.
481: Notes: uses MPI_COMM_WORLD, because this may be called in PetscFinalize() after PETSC_COMM_WORLD
482: has been freed.
484: Concepts: memory usage
485: Concepts: memory bleeding
486: Concepts: bleeding memory
488: .seealso: PetscMallocGetCurrentUsage(), PetscMallocDumpLog()
489: @*/
490: PetscErrorCode PetscMallocDump(FILE *fp)
491: {
492: TRSPACE *head;
494: PetscMPIInt rank;
497: MPI_Comm_rank(MPI_COMM_WORLD,&rank);
498: if (!fp) fp = PETSC_STDOUT;
499: if (TRallocated > 0) fprintf(fp,"[%d]Total space allocated %.0f bytes\n",rank,(PetscLogDouble)TRallocated);
500: head = TRhead;
501: while (head) {
502: fprintf(fp,"[%2d]%.0f bytes %s() line %d in %s%s\n",rank,(PetscLogDouble)head->size,head->functionname,head->lineno,head->dirname,head->filename);
503: #if defined(PETSC_USE_DEBUG)
504: PetscStackPrint(&head->stack,fp);
505: #endif
506: head = head->next;
507: }
508: return(0);
509: }
511: /* ---------------------------------------------------------------------------- */
515: /*@C
516: PetscMallocSetDumpLog - Activates logging of all calls to PetscMalloc().
518: Not Collective
520: Options Database Key:
521: + -malloc_log <filename> - Activates PetscMallocDumpLog()
522: - -malloc_log_threshold <min> - Activates logging and sets a minimum size
524: Level: advanced
526: .seealso: PetscMallocDump(), PetscMallocDumpLog(), PetscMallocSetDumpLogThreshold()
527: @*/
528: PetscErrorCode PetscMallocSetDumpLog(void)
529: {
533: PetscLogMalloc = 0;
535: PetscMemorySetGetMaximumUsage();
536: return(0);
537: }
541: /*@C
542: PetscMallocSetDumpLogThreshold - Activates logging of all calls to PetscMalloc().
544: Not Collective
546: Input Arguments:
547: . logmin - minimum allocation size to log, or PETSC_DEFAULT
549: Options Database Key:
550: + -malloc_log <filename> - Activates PetscMallocDumpLog()
551: - -malloc_log_threshold <min> - Activates logging and sets a minimum size
553: Level: advanced
555: .seealso: PetscMallocDump(), PetscMallocDumpLog(), PetscMallocSetDumpLog()
556: @*/
557: PetscErrorCode PetscMallocSetDumpLogThreshold(PetscLogDouble logmin)
558: {
562: PetscMallocSetDumpLog();
563: if (logmin < 0) logmin = 0.0; /* PETSC_DEFAULT or PETSC_DECIDE */
564: PetscLogMallocThreshold = (size_t)logmin;
565: return(0);
566: }
570: /*@C
571: PetscMallocGetDumpLog - Determine whether all calls to PetscMalloc() are being logged
573: Not Collective
575: Output Arguments
576: . logging - PETSC_TRUE if logging is active
578: Options Database Key:
579: . -malloc_log - Activates PetscMallocDumpLog()
581: Level: advanced
583: .seealso: PetscMallocDump(), PetscMallocDumpLog()
584: @*/
585: PetscErrorCode PetscMallocGetDumpLog(PetscBool *logging)
586: {
589: *logging = (PetscBool)(PetscLogMalloc >= 0);
590: return(0);
591: }
595: /*@C
596: PetscMallocDumpLog - Dumps the log of all calls to PetscMalloc(); also calls
597: PetscMemoryGetMaximumUsage()
599: Collective on PETSC_COMM_WORLD
601: Input Parameter:
602: . fp - file pointer; or NULL
604: Options Database Key:
605: . -malloc_log - Activates PetscMallocDumpLog()
607: Level: advanced
609: Fortran Note:
610: The calling sequence in Fortran is PetscMallocDumpLog(integer ierr)
611: The fp defaults to stdout.
613: .seealso: PetscMallocGetCurrentUsage(), PetscMallocDump(), PetscMallocSetDumpLog()
614: @*/
615: PetscErrorCode PetscMallocDumpLog(FILE *fp)
616: {
617: PetscInt i,j,n,dummy,*perm;
618: size_t *shortlength;
619: int *shortcount,err;
620: PetscMPIInt rank,size,tag = 1212 /* very bad programming */;
621: PetscBool match;
622: const char **shortfunction;
623: PetscLogDouble rss;
624: MPI_Status status;
628: MPI_Comm_rank(MPI_COMM_WORLD,&rank);
629: MPI_Comm_size(MPI_COMM_WORLD,&size);
630: /*
631: Try to get the data printed in order by processor. This will only sometimes work
632: */
633: err = fflush(fp);
634: if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fflush() failed on file");
636: MPI_Barrier(MPI_COMM_WORLD);
637: if (rank) {
638: MPI_Recv(&dummy,1,MPIU_INT,rank-1,tag,MPI_COMM_WORLD,&status);
639: }
641: if (PetscLogMalloc < 0) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONGSTATE,"PetscMallocDumpLog() called without call to PetscMallocSetDumpLog() this is often due to\n setting the option -malloc_log AFTER PetscInitialize() with PetscOptionsInsert() or PetscOptionsInsertFile()");
643: if (!fp) fp = PETSC_STDOUT;
644: PetscMemoryGetMaximumUsage(&rss);
645: if (rss) {
646: PetscFPrintf(MPI_COMM_WORLD,fp,"[%d] Maximum memory PetscMalloc()ed %.0f maximum size of entire process %.0f\n",rank,(PetscLogDouble)TRMaxMem,rss);
647: } else {
648: PetscFPrintf(MPI_COMM_WORLD,fp,"[%d] Maximum memory PetscMalloc()ed %.0f OS cannot compute size of entire process\n",rank,(PetscLogDouble)TRMaxMem);
649: }
650: shortcount = (int*)malloc(PetscLogMalloc*sizeof(int));if (!shortcount) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM,"Out of memory");
651: shortlength = (size_t*)malloc(PetscLogMalloc*sizeof(size_t));if (!shortlength) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM,"Out of memory");
652: shortfunction = (const char**)malloc(PetscLogMalloc*sizeof(char*));if (!shortfunction) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM,"Out of memory");
653: for (i=0,n=0; i<PetscLogMalloc; i++) {
654: for (j=0; j<n; j++) {
655: PetscStrcmp(shortfunction[j],PetscLogMallocFunction[i],&match);
656: if (match) {
657: shortlength[j] += PetscLogMallocLength[i];
658: shortcount[j]++;
659: goto foundit;
660: }
661: }
662: shortfunction[n] = PetscLogMallocFunction[i];
663: shortlength[n] = PetscLogMallocLength[i];
664: shortcount[n] = 1;
665: n++;
666: foundit:;
667: }
669: perm = (PetscInt*)malloc(n*sizeof(PetscInt));if (!perm) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM,"Out of memory");
670: for (i=0; i<n; i++) perm[i] = i;
671: PetscSortStrWithPermutation(n,(const char**)shortfunction,perm);
673: PetscFPrintf(MPI_COMM_WORLD,fp,"[%d] Memory usage sorted by function\n",rank);
674: for (i=0; i<n; i++) {
675: PetscFPrintf(MPI_COMM_WORLD,fp,"[%d] %d %.0f %s()\n",rank,shortcount[perm[i]],(PetscLogDouble)shortlength[perm[i]],shortfunction[perm[i]]);
676: }
677: free(perm);
678: free(shortlength);
679: free(shortcount);
680: free((char**)shortfunction);
681: err = fflush(fp);
682: if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fflush() failed on file");
683: if (rank != size-1) {
684: MPI_Send(&dummy,1,MPIU_INT,rank+1,tag,MPI_COMM_WORLD);
685: }
686: return(0);
687: }
689: /* ---------------------------------------------------------------------------- */
693: /*@C
694: PetscMallocDebug - Turns on/off debugging for the memory management routines.
696: Not Collective
698: Input Parameter:
699: . level - PETSC_TRUE or PETSC_FALSE
701: Level: intermediate
703: .seealso: CHKMEMQ(), PetscMallocValidate()
704: @*/
705: PetscErrorCode PetscMallocDebug(PetscBool level)
706: {
708: TRdebugLevel = level;
709: return(0);
710: }
714: /*@C
715: PetscMallocGetDebug - Indicates if any PETSc is doing ANY memory debugging.
717: Not Collective
719: Output Parameter:
720: . flg - PETSC_TRUE if any debugger
722: Level: intermediate
724: Note that by default, the debug version always does some debugging unless you run with -malloc no
727: .seealso: CHKMEMQ(), PetscMallocValidate()
728: @*/
729: PetscErrorCode PetscMallocGetDebug(PetscBool *flg)
730: {
732: if (PetscTrMalloc == PetscTrMallocDefault) *flg = PETSC_TRUE;
733: else *flg = PETSC_FALSE;
734: return(0);
735: }