Actual source code: verboseinfo.c

petsc-3.5.1 2014-08-06
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  2: /*
  3:       PetscInfo() is contained in a different file from the other profiling to
  4:    allow it to be replaced at link time by an alternative routine.
  5: */
  6: #include <petsc-private/petscimpl.h>        /*I    "petscsys.h"   I*/

  8: /*
  9:   The next three variables determine which, if any, PetscInfo() calls are used.
 10:   If PetscLogPrintInfo is zero, no info messages are printed.
 11:   If PetscLogPrintInfoNull is zero, no info messages associated with a null object are printed.

 13:   If PetscInfoFlags[OBJECT_CLASSID - PETSC_SMALLEST_CLASSID] is zero, no messages related
 14:   to that object are printed. OBJECT_CLASSID is, for example, MAT_CLASSID.
 15: */
 16: PetscBool PetscLogPrintInfo     = PETSC_FALSE;
 17: PetscBool PetscLogPrintInfoNull = PETSC_FALSE;
 18: int       PetscInfoFlags[]      = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
 19:                                    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
 20:                                    1,1,1,1,1,1,1,1,1,1,1,1};
 21: FILE      *PetscInfoFile = NULL;

 25: /*@C
 26:     PetscInfoAllow - Causes PetscInfo() messages to be printed to standard output.

 28:     Not Collective, each processor may call this separately, but printing is only
 29:     turned on if the lowest processor number associated with the PetscObject associated
 30:     with the call to PetscInfo() has called this routine.

 32:     Input Parameter:
 33: +   flag - PETSC_TRUE or PETSC_FALSE
 34: -   filename - optional name of file to write output to (defaults to stdout)

 36:     Options Database Key:
 37: .   -info [optional filename] - Activates PetscInfoAllow()

 39:     Level: advanced

 41:    Concepts: debugging^detailed runtime information
 42:    Concepts: dumping detailed runtime information

 44: .seealso: PetscInfo()
 45: @*/
 46: PetscErrorCode  PetscInfoAllow(PetscBool flag, const char filename[])
 47: {
 48:   char           fname[PETSC_MAX_PATH_LEN], tname[5];
 49:   PetscMPIInt    rank;

 53:   if (flag && filename) {
 54:     PetscFixFilename(filename, fname);
 55:     MPI_Comm_rank(PETSC_COMM_WORLD, &rank);
 56:     sprintf(tname, ".%d", rank);
 57:     PetscStrcat(fname, tname);
 58:     PetscFOpen(MPI_COMM_SELF, fname, "w", &PetscInfoFile);
 59:     if (!PetscInfoFile) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN, "Cannot open requested file for writing: %s",fname);
 60:   } else if (flag) PetscInfoFile = PETSC_STDOUT;

 62:   PetscLogPrintInfo     = flag;
 63:   PetscLogPrintInfoNull = flag;
 64:   return(0);
 65: }

 69: /*@
 70:   PetscInfoDeactivateClass - Deactivates PlogInfo() messages for a PETSc object class.

 72:   Not Collective

 74:   Input Parameter:
 75: . objclass - The object class,  e.g., MAT_CLASSID, SNES_CLASSID, etc.

 77:   Notes:
 78:   One can pass 0 to deactivate all messages that are not associated with an object.

 80:   Level: developer

 82: .keywords: allow, information, printing, monitoring
 83: .seealso: PetscInfoActivateClass(), PetscInfo(), PetscInfoAllow()
 84: @*/
 85: PetscErrorCode  PetscInfoDeactivateClass(int objclass)
 86: {
 88:   if (!objclass) {
 89:     PetscLogPrintInfoNull = PETSC_FALSE;
 90:     return(0);
 91:   }
 92:   PetscInfoFlags[objclass - PETSC_SMALLEST_CLASSID - 1] = 0;
 93:   return(0);
 94: }

 98: /*@
 99:   PetscInfoActivateClass - Activates PlogInfo() messages for a PETSc object class.

101:   Not Collective

103:   Input Parameter:
104: . objclass - The object class, e.g., MAT_CLASSID, SNES_CLASSID, etc.

106:   Notes:
107:   One can pass 0 to activate all messages that are not associated with an object.

109:   Level: developer

111: .keywords: allow, information, printing, monitoring
112: .seealso: PetscInfoDeactivateClass(), PetscInfo(), PetscInfoAllow()
113: @*/
114: PetscErrorCode  PetscInfoActivateClass(int objclass)
115: {
117:   if (!objclass) PetscLogPrintInfoNull = PETSC_TRUE;
118:   else PetscInfoFlags[objclass - PETSC_SMALLEST_CLASSID - 1] = 1;
119:   return(0);
120: }

122: /*
123:    If the option -history was used, then all printed PetscInfo()
124:   messages are also printed to the history file, called by default
125:   .petschistory in ones home directory.
126: */
127: extern FILE *petsc_history;

131: /*MC
132:     PetscInfo - Logs informative data, which is printed to standard output
133:     or a file when the option -info <file> is specified.

135:    Synopsis:
136:        #include <petscsys.h>
137:        PetscErrorCode PetscInfo(void *vobj, const char message[])
138:        PetscErrorCode PetscInfo1(void *vobj, const char formatmessage[],arg1)
139:        PetscErrorCode PetscInfo2(void *vobj, const char formatmessage[],arg1,arg2)
140:        etc

142:     Collective over PetscObject argument

144:     Input Parameter:
145: +   vobj - object most closely associated with the logging statement or NULL
146: .   message - logging message
147: -   formatmessage - logging message using standard "printf" format

149:     Options Database Key:
150: $    -info : activates printing of PetscInfo() messages

152:     Level: intermediate

154:     Fortran Note: This function does not take the vobj argument, there is only the PetscInfo()
155:      version, not PetscInfo1() etc.

157:     Example of Usage:
158: $
159: $     Mat A
160: $     double alpha
161: $     PetscInfo1(A,"Matrix uses parameter alpha=%g\n",alpha);
162: $

164:    Concepts: runtime information

166: .seealso: PetscInfoAllow()
167: M*/
168: PetscErrorCode  PetscInfo_Private(const char func[],void *vobj, const char message[], ...)
169: {
170:   va_list        Argp;
171:   PetscMPIInt    rank,urank;
172:   size_t         len;
173:   PetscObject    obj = (PetscObject)vobj;
174:   char           string[8*1024];
176:   size_t         fullLength;
177:   int            err;

182:   if (!PetscLogPrintInfo) return(0);
183:   if ((!PetscLogPrintInfoNull) && !vobj) return(0);
184:   if (obj && !PetscInfoFlags[obj->classid - PETSC_SMALLEST_CLASSID - 1]) return(0);
185:   if (!obj) rank = 0;
186:   else {
187:     MPI_Comm_rank(obj->comm, &rank);
188:   }
189:   if (rank) return(0);

191:   MPI_Comm_rank(MPI_COMM_WORLD, &urank);
192:   va_start(Argp, message);
193:   sprintf(string, "[%d] %s(): ", urank,func);
194:   PetscStrlen(string, &len);
195:   PetscVSNPrintf(string+len, 8*1024-len,message,&fullLength, Argp);
196:   PetscFPrintf(PETSC_COMM_SELF,PetscInfoFile, "%s", string);
197:   err  = fflush(PetscInfoFile);
198:   if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fflush() failed on file");
199:   if (petsc_history) {
200:     va_start(Argp, message);
201:     (*PetscVFPrintf)(petsc_history, message, Argp);
202:   }
203:   va_end(Argp);
204:   return(0);
205: }