Actual source code: mtr.c
petsc-3.6.4 2016-04-12
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[],void**);
17: extern PetscErrorCode PetscFreeAlign(void*,int,const char[],const char[]);
18: extern PetscErrorCode PetscTrMallocDefault(size_t,int,const char[],const char[],void**);
19: extern PetscErrorCode PetscTrFreeDefault(void*,int,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: PetscClassId classid;
32: #if defined(PETSC_USE_DEBUG)
33: PetscStack stack;
34: #endif
35: struct _trSPACE *next,*prev;
36: } TRSPACE;
38: /* HEADER_BYTES is the number of bytes in a PetscMalloc() header.
39: It is sizeof(TRSPACE) padded to be a multiple of PETSC_MEMALIGN.
40: */
42: #define HEADER_BYTES ((sizeof(TRSPACE)+(PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1))
45: /* This union is used to insure that the block passed to the user retains
46: a minimum alignment of PETSC_MEMALIGN.
47: */
48: typedef union {
49: TRSPACE sp;
50: char v[HEADER_BYTES];
51: } TrSPACE;
54: static size_t TRallocated = 0;
55: static int TRfrags = 0;
56: static TRSPACE *TRhead = NULL;
57: static int TRid = 0;
58: static PetscBool TRdebugLevel = PETSC_FALSE;
59: static size_t TRMaxMem = 0;
60: /*
61: Arrays to log information on all Mallocs
62: */
63: static int PetscLogMallocMax = 10000;
64: static int PetscLogMalloc = -1;
65: static size_t PetscLogMallocThreshold = 0;
66: static size_t *PetscLogMallocLength;
67: static const char **PetscLogMallocFile,**PetscLogMallocFunction;
71: PetscErrorCode PetscSetUseTrMalloc_Private(void)
72: {
76: PetscMallocSet(PetscTrMallocDefault,PetscTrFreeDefault);
78: TRallocated = 0;
79: TRfrags = 0;
80: TRhead = NULL;
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
100: Return value:
101: The number of errors detected.
103: Output Effect:
104: Error messages are written to stdout.
106: Level: advanced
108: Notes:
109: You should generally use CHKMEMQ as a short cut for calling this
110: routine.
112: The line, function, file are given by the C preprocessor as
113: __LINE__, __FUNCT__, __FILE__
115: The Fortran calling sequence is simply PetscMallocValidate(ierr)
117: No output is generated if there are no problems detected.
119: .seealso: CHKMEMQ
121: @*/
122: PetscErrorCode PetscMallocValidate(int line,const char function[],const char file[])
123: {
124: TRSPACE *head,*lasthead;
125: char *a;
126: PetscClassId *nend;
129: head = TRhead; lasthead = NULL;
130: while (head) {
131: if (head->classid != CLASSID_VALUE) {
132: (*PetscErrorPrintf)("PetscMallocValidate: error detected at %s() line %d in %s\n",function,line,file);
133: (*PetscErrorPrintf)("Memory at address %p is corrupted\n",head);
134: (*PetscErrorPrintf)("Probably write past beginning or end of array\n");
135: if (lasthead) (*PetscErrorPrintf)("Last intact block allocated in %s() line %d in %s\n",lasthead->functionname,lasthead->lineno,lasthead->filename);
136: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC," ");
137: }
138: a = (char*)(((TrSPACE*)head) + 1);
139: nend = (PetscClassId*)(a + head->size);
140: if (*nend != CLASSID_VALUE) {
141: (*PetscErrorPrintf)("PetscMallocValidate: error detected at %s() line %d in %s\n",function,line,file);
142: if (*nend == ALREADY_FREED) {
143: (*PetscErrorPrintf)("Memory [id=%d(%.0f)] at address %p already freed\n",head->id,(PetscLogDouble)head->size,a);
144: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC," ");
145: } else {
146: (*PetscErrorPrintf)("Memory [id=%d(%.0f)] at address %p is corrupted (probably write past end of array)\n",head->id,(PetscLogDouble)head->size,a);
147: (*PetscErrorPrintf)("Memory originally allocated in %s() line %d in %s\n",head->functionname,head->lineno,head->filename);
148: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC," ");
149: }
150: }
151: lasthead = head;
152: head = head->next;
153: }
154: return(0);
155: }
159: /*
160: PetscTrMallocDefault - Malloc with tracing.
162: Input Parameters:
163: + a - number of bytes to allocate
164: . lineno - line number where used. Use __LINE__ for this
165: . function - function calling routine. Use __FUNCT__ for this
166: - filename - file name where used. Use __FILE__ for this
168: Returns:
169: double aligned pointer to requested storage, or null if not
170: available.
171: */
172: PetscErrorCode PetscTrMallocDefault(size_t a,int lineno,const char function[],const char filename[],void **result)
173: {
174: TRSPACE *head;
175: char *inew;
176: size_t nsize;
180: /* Do not try to handle empty blocks */
181: if (!a) { *result = NULL; return(0); }
183: if (TRdebugLevel) {
184: PetscMallocValidate(lineno,function,filename); if (ierr) PetscFunctionReturn(ierr);
185: }
187: nsize = (a + (PETSC_MEMALIGN-1)) & ~(PETSC_MEMALIGN-1);
188: PetscMallocAlign(nsize+sizeof(TrSPACE)+sizeof(PetscClassId),lineno,function,filename,(void**)&inew);
190: head = (TRSPACE*)inew;
191: inew += sizeof(TrSPACE);
193: if (TRhead) TRhead->prev = head;
194: head->next = TRhead;
195: TRhead = head;
196: head->prev = NULL;
197: head->size = nsize;
198: head->id = TRid;
199: head->lineno = lineno;
201: head->filename = filename;
202: head->functionname = function;
203: head->classid = CLASSID_VALUE;
204: *(PetscClassId*)(inew + nsize) = CLASSID_VALUE;
206: TRallocated += nsize;
207: if (TRallocated > TRMaxMem) TRMaxMem = TRallocated;
208: TRfrags++;
210: #if defined(PETSC_USE_DEBUG)
211: if (PetscStackActive()) {
212: PetscStackCopy(petscstack,&head->stack);
214: head->stack.line[head->stack.currentsize-2] = lineno;
215: }
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: PetscLogMallocFile = (const char**)malloc(PetscLogMallocMax*sizeof(char*));
227: if (!PetscLogMallocFile) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM," ");
229: PetscLogMallocFunction = (const char**)malloc(PetscLogMallocMax*sizeof(char*));
230: if (!PetscLogMallocFunction) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEM," ");
231: }
232: PetscLogMallocLength[PetscLogMalloc] = nsize;
233: PetscLogMallocFile[PetscLogMalloc] = filename;
234: PetscLogMallocFunction[PetscLogMalloc++] = function;
235: }
236: *result = (void*)inew;
237: return(0);
238: }
243: /*
244: PetscTrFreeDefault - Free with tracing.
246: Input Parameters:
247: . a - pointer to a block allocated with PetscTrMalloc
248: . lineno - line number where used. Use __LINE__ for this
249: . function - function calling routine. Use __FUNCT__ for this
250: . file - file name where used. Use __FILE__ for this
251: */
252: PetscErrorCode PetscTrFreeDefault(void *aa,int line,const char function[],const char file[])
253: {
254: char *a = (char*)aa;
255: TRSPACE *head;
256: char *ahead;
258: PetscClassId *nend;
261: /* Do not try to handle empty blocks */
262: if (!a) return(0);
264: if (TRdebugLevel) {
265: PetscMallocValidate(line,function,file);
266: }
268: ahead = a;
269: a = a - sizeof(TrSPACE);
270: head = (TRSPACE*)a;
272: if (head->classid != CLASSID_VALUE) {
273: (*PetscErrorPrintf)("PetscTrFreeDefault() called from %s() line %d in %s\n",function,line,file);
274: (*PetscErrorPrintf)("Block at address %p is corrupted; cannot free;\nmay be block not allocated with PetscMalloc()\n",a);
275: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC,"Bad location or corrupted memory");
276: }
277: nend = (PetscClassId*)(ahead + head->size);
278: if (*nend != CLASSID_VALUE) {
279: if (*nend == ALREADY_FREED) {
280: (*PetscErrorPrintf)("PetscTrFreeDefault() called from %s() line %d in %s\n",function,line,file);
281: (*PetscErrorPrintf)("Block [id=%d(%.0f)] at address %p was already freed\n",head->id,(PetscLogDouble)head->size,a + sizeof(TrSPACE));
282: if (head->lineno > 0 && head->lineno < 50000 /* sanity check */) {
283: (*PetscErrorPrintf)("Block freed in %s() line %d in %s\n",head->functionname,head->lineno,head->filename);
284: } else {
285: (*PetscErrorPrintf)("Block allocated in %s() line %d in %s\n",head->functionname,-head->lineno,head->filename);
286: }
287: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_WRONG,"Memory already freed");
288: } else {
289: /* Damaged tail */
290: (*PetscErrorPrintf)("PetscTrFreeDefault() called from %s() line %d in %s\n",function,line,file);
291: (*PetscErrorPrintf)("Block [id=%d(%.0f)] at address %p is corrupted (probably write past end of array)\n",head->id,(PetscLogDouble)head->size,a);
292: (*PetscErrorPrintf)("Block allocated in %s() line %d in %s\n",head->functionname,head->lineno,head->filename);
293: SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MEMC,"Corrupted memory");
294: }
295: }
296: /* Mark the location freed */
297: *nend = ALREADY_FREED;
298: /* Save location where freed. If we suspect the line number, mark as allocated location */
299: if (line > 0 && line < 50000) {
300: head->lineno = line;
301: head->filename = file;
302: head->functionname = function;
303: } else {
304: head->lineno = -head->lineno;
305: }
306: /* zero out memory - helps to find some reuse of already freed memory */
307: PetscMemzero(aa,head->size);
309: TRallocated -= head->size;
310: TRfrags--;
311: if (head->prev) head->prev->next = head->next;
312: else TRhead = head->next;
314: if (head->next) head->next->prev = head->prev;
315: PetscFreeAlign(a,line,function,file);
316: return(0);
317: }
322: /*@C
323: PetscMemoryShowUsage - Shows the amount of memory currently being used
324: in a communicator.
326: Collective on PetscViewer
328: Input Parameter:
329: + viewer - the viewer that defines the communicator
330: - message - string printed before values
332: Level: intermediate
334: Concepts: memory usage
336: .seealso: PetscMallocDump(), PetscMemoryGetCurrentUsage()
337: @*/
338: PetscErrorCode PetscMemoryShowUsage(PetscViewer viewer,const char message[])
339: {
340: PetscLogDouble allocated,maximum,resident,residentmax;
342: PetscMPIInt rank;
343: MPI_Comm comm;
346: if (!viewer) viewer = PETSC_VIEWER_STDOUT_WORLD;
347: PetscMallocGetCurrentUsage(&allocated);
348: PetscMallocGetMaximumUsage(&maximum);
349: PetscMemoryGetCurrentUsage(&resident);
350: PetscMemoryGetMaximumUsage(&residentmax);
351: if (residentmax > 0) residentmax = PetscMax(resident,residentmax);
352: PetscObjectGetComm((PetscObject)viewer,&comm);
353: MPI_Comm_rank(comm,&rank);
354: PetscViewerASCIIPrintf(viewer,message);
355: PetscViewerASCIISynchronizedAllow(viewer,PETSC_TRUE);
356: if (resident && residentmax && allocated) {
357: 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);
358: } else if (resident && residentmax) {
359: 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);
360: } else if (resident && allocated) {
361: 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);
362: } else if (allocated) {
363: PetscViewerASCIISynchronizedPrintf(viewer,"[%d]Current space PetscMalloc()ed %g, max space PetscMalloced() %g\n[%d]OS cannot compute process memory\n",rank,allocated,maximum,rank);
364: } else {
365: PetscViewerASCIIPrintf(viewer,"Run with -malloc to get statistics on PetscMalloc() calls\nOS cannot compute process memory\n");
366: }
367: PetscViewerFlush(viewer);
368: PetscViewerASCIISynchronizedAllow(viewer,PETSC_FALSE);
369: return(0);
370: }
374: /*@C
375: PetscMallocGetCurrentUsage - gets the current amount of memory used that was PetscMalloc()ed
377: Not Collective
379: Output Parameters:
380: . space - number of bytes currently allocated
382: Level: intermediate
384: Concepts: memory usage
386: .seealso: PetscMallocDump(), PetscMallocDumpLog(), PetscMallocGetMaximumUsage(), PetscMemoryGetCurrentUsage(),
387: PetscMemoryGetMaximumUsage()
388: @*/
389: PetscErrorCode PetscMallocGetCurrentUsage(PetscLogDouble *space)
390: {
392: *space = (PetscLogDouble) TRallocated;
393: return(0);
394: }
398: /*@C
399: PetscMallocGetMaximumUsage - gets the maximum amount of memory used that was PetscMalloc()ed at any time
400: during this run.
402: Not Collective
404: Output Parameters:
405: . space - maximum number of bytes ever allocated at one time
407: Level: intermediate
409: Concepts: memory usage
411: .seealso: PetscMallocDump(), PetscMallocDumpLog(), PetscMallocGetMaximumUsage(), PetscMemoryGetCurrentUsage(),
412: PetscMemoryGetCurrentUsage()
413: @*/
414: PetscErrorCode PetscMallocGetMaximumUsage(PetscLogDouble *space)
415: {
417: *space = (PetscLogDouble) TRMaxMem;
418: return(0);
419: }
421: #if defined(PETSC_USE_DEBUG)
424: /*@C
425: PetscMallocGetStack - returns a pointer to the stack for the location in the program a call to PetscMalloc() was used to obtain that memory
427: Collective on PETSC_COMM_WORLD
429: Input Parameter:
430: . ptr - the memory location
432: Output Paramter:
433: . stack - the stack indicating where the program allocated this memory
435: Level: intermediate
437: .seealso: PetscMallocGetCurrentUsage(), PetscMallocDumpLog()
438: @*/
439: PetscErrorCode PetscMallocGetStack(void *ptr,PetscStack **stack)
440: {
441: TRSPACE *head;
444: head = (TRSPACE*) (((char*)ptr) - HEADER_BYTES);
445: *stack = &head->stack;
446: return(0);
447: }
448: #else
451: PetscErrorCode PetscMallocGetStack(void *ptr,void **stack)
452: {
454: *stack = NULL;
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\n",rank,(PetscLogDouble)head->size,head->functionname,head->lineno,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: }