[BACK]Return to printgprof.c CVS log [TXT][DIR] Up to [local] / src / usr.bin / gprof

Annotation of src/usr.bin/gprof/printgprof.c, Revision 1.12

1.12    ! deraadt     1: /*     $OpenBSD: printgprof.c,v 1.11 2006/03/25 19:06:36 espie Exp $   */
1.1       deraadt     2: /*     $NetBSD: printgprof.c,v 1.5 1995/04/19 07:16:21 cgd Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (c) 1983, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
1.8       millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  */
1.9       david      32:
                     33: #include <string.h>
1.1       deraadt    34:
                     35: #include "gprof.h"
                     36: #include "pathnames.h"
                     37:
1.11      espie      38: int namecmp(nltype **, nltype **);
                     39:
1.3       mickey     40: void
1.1       deraadt    41: printprof()
                     42: {
1.5       mpech      43:     nltype             *np;
1.1       deraadt    44:     nltype             **sortednlp;
1.3       mickey     45:     int                        index;
1.1       deraadt    46:
                     47:     actime = 0.0;
                     48:     printf( "\f\n" );
                     49:     flatprofheader();
                     50:        /*
                     51:         *      Sort the symbol table in by time
                     52:         */
                     53:     sortednlp = (nltype **) calloc( nname , sizeof(nltype *) );
1.3       mickey     54:     if ( sortednlp == (nltype **) 0 )
                     55:        warnx("[printprof] ran out of memory for time sorting");
1.1       deraadt    56:     for ( index = 0 ; index < nname ; index += 1 ) {
                     57:        sortednlp[ index ] = &nl[ index ];
                     58:     }
                     59:     qsort( sortednlp , nname , sizeof(nltype *) , timecmp );
                     60:     for ( index = 0 ; index < nname ; index += 1 ) {
                     61:        np = sortednlp[ index ];
                     62:        flatprofline( np );
                     63:     }
                     64:     actime = 0.0;
                     65:     free( sortednlp );
                     66: }
                     67:
1.3       mickey     68: int
1.11      espie      69: timecmp(nltype **npp1, nltype **npp2)
1.1       deraadt    70: {
                     71:     double     timediff;
                     72:     long       calldiff;
                     73:
                     74:     timediff = (*npp2) -> time - (*npp1) -> time;
                     75:     if ( timediff > 0.0 )
                     76:        return 1 ;
                     77:     if ( timediff < 0.0 )
                     78:        return -1;
                     79:     calldiff = (*npp2) -> ncall - (*npp1) -> ncall;
                     80:     if ( calldiff > 0 )
                     81:        return 1;
                     82:     if ( calldiff < 0 )
                     83:        return -1;
                     84:     return( strcmp( (*npp1) -> name , (*npp2) -> name ) );
                     85: }
                     86:
                     87:     /*
                     88:      * header for flatprofline
                     89:      */
1.3       mickey     90: void
1.1       deraadt    91: flatprofheader()
                     92: {
                     93:
1.3       mickey     94:     if (bflag)
1.1       deraadt    95:        printblurb( _PATH_FLAT_BLURB );
1.3       mickey     96:     printf("\ngranularity: each sample hit covers %ld byte(s)",
                     97:            (long) scale * sizeof(UNIT));
                     98:     if (totime > 0.0)
                     99:        printf(" for %.2f%% of %.2f seconds\n\n" , 100.0/totime, totime / hz);
                    100:     else {
1.1       deraadt   101:        printf( " no time accumulated\n\n" );
                    102:            /*
                    103:             *  this doesn't hurt sinc eall the numerators will be zero.
                    104:             */
                    105:        totime = 1.0;
                    106:     }
1.3       mickey    107:     printf("%5.5s %10.10s %8.8s %8.8s %8.8s %8.8s  %-8.8s\n" ,
                    108:        "%  " , "cumulative" , "self  " , "" , "self  " , "total " , "" );
                    109:     printf("%5.5s %10.10s %8.8s %8.8s %8.8s %8.8s  %-8.8s\n" ,
                    110:        "time" , "seconds " , "seconds" , "calls" ,
                    111:        "ms/call" , "ms/call" , "name" );
1.1       deraadt   112: }
                    113:
1.3       mickey    114: void
1.11      espie     115: flatprofline(nltype *np)
1.1       deraadt   116: {
                    117:
                    118:     if ( zflag == 0 && np -> ncall == 0 && np -> time == 0 ) {
                    119:        return;
                    120:     }
                    121:     actime += np -> time;
                    122:     printf( "%5.1f %10.2f %8.2f" ,
                    123:        100 * np -> time / totime , actime / hz , np -> time / hz );
                    124:     if ( np -> ncall != 0 ) {
1.3       mickey    125:        printf( " %8ld %8.2f %8.2f  " , np -> ncall ,
1.1       deraadt   126:            1000 * np -> time / hz / np -> ncall ,
                    127:            1000 * ( np -> time + np -> childtime ) / hz / np -> ncall );
                    128:     } else {
                    129:        printf( " %8.8s %8.8s %8.8s  " , "" , "" , "" );
                    130:     }
                    131:     printname( np );
                    132:     printf( "\n" );
                    133: }
                    134:
1.3       mickey    135: void
1.1       deraadt   136: gprofheader()
                    137: {
                    138:
                    139:     if ( bflag ) {
                    140:        printblurb( _PATH_CALLG_BLURB );
                    141:     }
1.3       mickey    142:     printf( "\ngranularity: each sample hit covers %ld byte(s)" ,
1.1       deraadt   143:            (long) scale * sizeof(UNIT) );
                    144:     if ( printtime > 0.0 ) {
                    145:        printf( " for %.2f%% of %.2f seconds\n\n" ,
                    146:                100.0/printtime , printtime / hz );
                    147:     } else {
                    148:        printf( " no time propagated\n\n" );
                    149:            /*
                    150:             *  this doesn't hurt, since all the numerators will be 0.0
                    151:             */
                    152:        printtime = 1.0;
                    153:     }
                    154:     printf( "%6.6s %5.5s %7.7s %11.11s %7.7s/%-7.7s     %-8.8s\n" ,
                    155:        "" , "" , "" , "" , "called" , "total" , "parents");
                    156:     printf( "%-6.6s %5.5s %7.7s %11.11s %7.7s+%-7.7s %-8.8s\t%5.5s\n" ,
                    157:        "index" , "%time" , "self" , "descendents" ,
                    158:        "called" , "self" , "name" , "index" );
                    159:     printf( "%6.6s %5.5s %7.7s %11.11s %7.7s/%-7.7s     %-8.8s\n" ,
                    160:        "" , "" , "" , "" , "called" , "total" , "children");
                    161:     printf( "\n" );
                    162: }
                    163:
1.3       mickey    164: void
1.11      espie     165: gprofline(nltype *np)
1.1       deraadt   166: {
                    167:     char       kirkbuffer[ BUFSIZ ];
                    168:
1.7       deraadt   169:     snprintf(kirkbuffer, sizeof kirkbuffer, "[%d]" , np -> index );
1.3       mickey    170:     printf( "%-6.6s %5.1f %7.2f %11.2f" , kirkbuffer ,
1.1       deraadt   171:            100 * ( np -> propself + np -> propchild ) / printtime ,
1.3       mickey    172:            np -> propself / hz , np -> propchild / hz );
1.1       deraadt   173:     if ( ( np -> ncall + np -> selfcalls ) != 0 ) {
1.3       mickey    174:        printf( " %7ld" , np -> npropcall );
1.1       deraadt   175:        if ( np -> selfcalls != 0 ) {
1.3       mickey    176:            printf( "+%-7ld " , np -> selfcalls );
1.1       deraadt   177:        } else {
                    178:            printf( " %7.7s " , "" );
                    179:        }
                    180:     } else {
                    181:        printf( " %7.7s %7.7s " , "" , "" );
                    182:     }
                    183:     printname( np );
                    184:     printf( "\n" );
                    185: }
                    186:
1.3       mickey    187: void
1.11      espie     188: printgprof(nltype **timesortnlp)
1.1       deraadt   189: {
                    190:     int                index;
                    191:     nltype     *parentp;
                    192:
                    193:        /*
                    194:         *      Print out the structured profiling list
                    195:         */
                    196:     gprofheader();
                    197:     for ( index = 0 ; index < nname + ncycle ; index ++ ) {
                    198:        parentp = timesortnlp[ index ];
                    199:        if ( zflag == 0 &&
                    200:             parentp -> ncall == 0 &&
                    201:             parentp -> selfcalls == 0 &&
                    202:             parentp -> propself == 0 &&
                    203:             parentp -> propchild == 0 ) {
                    204:            continue;
                    205:        }
                    206:        if ( ! parentp -> printflag ) {
                    207:            continue;
                    208:        }
                    209:        if ( parentp -> name == 0 && parentp -> cycleno != 0 ) {
                    210:                /*
                    211:                 *      cycle header
                    212:                 */
                    213:            printcycle( parentp );
                    214:            printmembers( parentp );
                    215:        } else {
                    216:            printparents( parentp );
                    217:            gprofline( parentp );
                    218:            printchildren( parentp );
                    219:        }
                    220:        printf( "\n" );
                    221:        printf( "-----------------------------------------------\n" );
                    222:        printf( "\n" );
                    223:     }
                    224:     free( timesortnlp );
                    225: }
                    226:
                    227:     /*
                    228:      * sort by decreasing propagated time
                    229:      * if times are equal, but one is a cycle header,
                    230:      *         say that's first (e.g. less, i.e. -1).
                    231:      * if one's name doesn't have an underscore and the other does,
                    232:      *         say the one is first.
                    233:      * all else being equal, sort by names.
                    234:      */
                    235: int
1.11      espie     236: totalcmp(nltype **npp1, nltype **npp2)
1.1       deraadt   237: {
1.5       mpech     238:     nltype             *np1 = *npp1;
                    239:     nltype             *np2 = *npp2;
1.1       deraadt   240:     double             diff;
                    241:
                    242:     diff =    ( np1 -> propself + np1 -> propchild )
                    243:            - ( np2 -> propself + np2 -> propchild );
                    244:     if ( diff < 0.0 )
                    245:            return 1;
                    246:     if ( diff > 0.0 )
                    247:            return -1;
                    248:     if ( np1 -> name == 0 && np1 -> cycleno != 0 )
                    249:        return -1;
                    250:     if ( np2 -> name == 0 && np2 -> cycleno != 0 )
                    251:        return 1;
                    252:     if ( np1 -> name == 0 )
                    253:        return -1;
                    254:     if ( np2 -> name == 0 )
                    255:        return 1;
                    256:     if ( *(np1 -> name) != '_' && *(np2 -> name) == '_' )
                    257:        return -1;
                    258:     if ( *(np1 -> name) == '_' && *(np2 -> name) != '_' )
                    259:        return 1;
                    260:     if ( np1 -> ncall > np2 -> ncall )
                    261:        return -1;
                    262:     if ( np1 -> ncall < np2 -> ncall )
                    263:        return 1;
                    264:     return strcmp( np1 -> name , np2 -> name );
                    265: }
                    266:
1.3       mickey    267: void
1.11      espie     268: printparents(nltype *childp)
1.1       deraadt   269: {
                    270:     nltype     *parentp;
                    271:     arctype    *arcp;
                    272:     nltype     *cycleheadp;
                    273:
                    274:     if ( childp -> cyclehead != 0 ) {
                    275:        cycleheadp = childp -> cyclehead;
                    276:     } else {
                    277:        cycleheadp = childp;
                    278:     }
                    279:     if ( childp -> parents == 0 ) {
                    280:        printf( "%6.6s %5.5s %7.7s %11.11s %7.7s %7.7s     <spontaneous>\n" ,
                    281:                "" , "" , "" , "" , "" , "" );
                    282:        return;
                    283:     }
                    284:     sortparents( childp );
                    285:     for ( arcp = childp -> parents ; arcp ; arcp = arcp -> arc_parentlist ) {
                    286:        parentp = arcp -> arc_parentp;
                    287:        if ( childp == parentp || ( arcp -> arc_flags & DEADARC ) ||
                    288:             ( childp->cycleno != 0 && parentp->cycleno == childp->cycleno ) ) {
                    289:                /*
                    290:                 *      selfcall or call among siblings
                    291:                 */
1.3       mickey    292:            printf( "%6.6s %5.5s %7.7s %11.11s %7ld %7.7s     " ,
1.1       deraadt   293:                    "" , "" , "" , "" ,
                    294:                    arcp -> arc_count , "" );
                    295:            printname( parentp );
                    296:            printf( "\n" );
                    297:        } else {
                    298:                /*
                    299:                 *      regular parent of child
                    300:                 */
1.3       mickey    301:            printf( "%6.6s %5.5s %7.2f %11.2f %7ld/%-7ld     " ,
1.1       deraadt   302:                    "" , "" ,
                    303:                    arcp -> arc_time / hz , arcp -> arc_childtime / hz ,
                    304:                    arcp -> arc_count , cycleheadp -> npropcall );
                    305:            printname( parentp );
                    306:            printf( "\n" );
                    307:        }
                    308:     }
                    309: }
                    310:
1.3       mickey    311: void
1.11      espie     312: printchildren(nltype *parentp)
1.1       deraadt   313: {
                    314:     nltype     *childp;
                    315:     arctype    *arcp;
                    316:
                    317:     sortchildren( parentp );
                    318:     arcp = parentp -> children;
                    319:     for ( arcp = parentp -> children ; arcp ; arcp = arcp -> arc_childlist ) {
                    320:        childp = arcp -> arc_childp;
                    321:        if ( childp == parentp || ( arcp -> arc_flags & DEADARC ) ||
                    322:            ( childp->cycleno != 0 && childp->cycleno == parentp->cycleno ) ) {
                    323:                /*
                    324:                 *      self call or call to sibling
                    325:                 */
1.3       mickey    326:            printf( "%6.6s %5.5s %7.7s %11.11s %7ld %7.7s     " ,
1.1       deraadt   327:                    "" , "" , "" , "" , arcp -> arc_count , "" );
                    328:            printname( childp );
                    329:            printf( "\n" );
                    330:        } else {
                    331:                /*
                    332:                 *      regular child of parent
                    333:                 */
1.3       mickey    334:            printf( "%6.6s %5.5s %7.2f %11.2f %7ld/%-7ld     " ,
1.1       deraadt   335:                    "" , "" ,
                    336:                    arcp -> arc_time / hz , arcp -> arc_childtime / hz ,
                    337:                    arcp -> arc_count , childp -> cyclehead -> npropcall );
                    338:            printname( childp );
                    339:            printf( "\n" );
                    340:        }
                    341:     }
                    342: }
                    343:
1.3       mickey    344: void
1.11      espie     345: printname(nltype *selfp)
1.1       deraadt   346: {
                    347:
                    348:     if ( selfp -> name != 0 ) {
                    349:        printf( "%s" , selfp -> name );
                    350: #      ifdef DEBUG
                    351:            if ( debug & DFNDEBUG ) {
                    352:                printf( "{%d} " , selfp -> toporder );
                    353:            }
                    354:            if ( debug & PROPDEBUG ) {
                    355:                printf( "%5.2f%% " , selfp -> propfraction );
                    356:            }
1.6       danh      357: #      endif /* DEBUG */
1.1       deraadt   358:     }
                    359:     if ( selfp -> cycleno != 0 ) {
                    360:        printf( " <cycle %d>" , selfp -> cycleno );
                    361:     }
                    362:     if ( selfp -> index != 0 ) {
                    363:        if ( selfp -> printflag ) {
                    364:            printf( " [%d]" , selfp -> index );
                    365:        } else {
                    366:            printf( " (%d)" , selfp -> index );
                    367:        }
                    368:     }
                    369: }
                    370:
1.3       mickey    371: void
1.11      espie     372: sortchildren(nltype *parentp)
1.1       deraadt   373: {
                    374:     arctype    *arcp;
                    375:     arctype    *detachedp;
                    376:     arctype    sorted;
                    377:     arctype    *prevp;
                    378:
                    379:        /*
                    380:         *      unlink children from parent,
                    381:         *      then insertion sort back on to sorted's children.
                    382:         *          *arcp       the arc you have detached and are inserting.
                    383:         *          *detachedp  the rest of the arcs to be sorted.
                    384:         *          sorted      arc list onto which you insertion sort.
                    385:         *          *prevp      arc before the arc you are comparing.
                    386:         */
                    387:     sorted.arc_childlist = 0;
1.4       fgsch     388:     for ((arcp = parentp -> children) && (detachedp = arcp -> arc_childlist);
1.1       deraadt   389:            arcp ;
1.4       fgsch     390:           (arcp = detachedp) && (detachedp = detachedp -> arc_childlist)) {
1.1       deraadt   391:            /*
                    392:             *  consider *arcp as disconnected
                    393:             *  insert it into sorted
                    394:             */
                    395:        for (   prevp = &sorted ;
                    396:                prevp -> arc_childlist ;
                    397:                prevp = prevp -> arc_childlist ) {
                    398:            if ( arccmp( arcp , prevp -> arc_childlist ) != LESSTHAN ) {
                    399:                break;
                    400:            }
                    401:        }
                    402:        arcp -> arc_childlist = prevp -> arc_childlist;
                    403:        prevp -> arc_childlist = arcp;
                    404:     }
                    405:        /*
                    406:         *      reattach sorted children to parent
                    407:         */
                    408:     parentp -> children = sorted.arc_childlist;
                    409: }
                    410:
1.3       mickey    411: void
1.11      espie     412: sortparents(nltype *childp)
1.1       deraadt   413: {
                    414:     arctype    *arcp;
                    415:     arctype    *detachedp;
                    416:     arctype    sorted;
                    417:     arctype    *prevp;
                    418:
                    419:        /*
                    420:         *      unlink parents from child,
                    421:         *      then insertion sort back on to sorted's parents.
                    422:         *          *arcp       the arc you have detached and are inserting.
                    423:         *          *detachedp  the rest of the arcs to be sorted.
                    424:         *          sorted      arc list onto which you insertion sort.
                    425:         *          *prevp      arc before the arc you are comparing.
                    426:         */
                    427:     sorted.arc_parentlist = 0;
1.4       fgsch     428:     for ((arcp = childp->parents) && (detachedp = arcp->arc_parentlist);
                    429:         arcp; (arcp = detachedp) && (detachedp = detachedp->arc_parentlist)) {
1.1       deraadt   430:            /*
                    431:             *  consider *arcp as disconnected
                    432:             *  insert it into sorted
                    433:             */
1.3       mickey    434:        for (prevp = &sorted; prevp->arc_parentlist;
                    435:             prevp = prevp->arc_parentlist)
                    436:            if (arccmp(arcp , prevp->arc_parentlist) != GREATERTHAN)
1.1       deraadt   437:                break;
1.3       mickey    438:        arcp->arc_parentlist = prevp->arc_parentlist;
                    439:        prevp->arc_parentlist = arcp;
1.1       deraadt   440:     }
                    441:        /*
                    442:         *      reattach sorted arcs to child
                    443:         */
                    444:     childp -> parents = sorted.arc_parentlist;
                    445: }
                    446:
                    447:     /*
                    448:      * print a cycle header
                    449:      */
1.3       mickey    450: void
1.11      espie     451: printcycle(nltype *cyclep)
1.1       deraadt   452: {
                    453:     char       kirkbuffer[ BUFSIZ ];
                    454:
1.7       deraadt   455:     snprintf(kirkbuffer, sizeof kirkbuffer, "[%d]" , cyclep->index);
1.3       mickey    456:     printf("%-6.6s %5.1f %7.2f %11.2f %7ld", kirkbuffer,
                    457:            100 * (cyclep->propself + cyclep->propchild) / printtime,
                    458:            cyclep->propself / hz, cyclep->propchild / hz, cyclep->npropcall);
                    459:     if (cyclep -> selfcalls != 0)
                    460:        printf("+%-7ld" , cyclep->selfcalls);
                    461:     else
                    462:        printf(" %7.7s" , "");
                    463:     printf(" <cycle %d as a whole>\t[%d]\n" ,
                    464:            cyclep->cycleno , cyclep->index );
1.1       deraadt   465: }
                    466:
                    467:     /*
                    468:      * print the members of a cycle
                    469:      */
1.3       mickey    470: void
1.11      espie     471: printmembers(nltype *cyclep)
1.1       deraadt   472: {
                    473:     nltype     *memberp;
                    474:
                    475:     sortmembers( cyclep );
                    476:     for ( memberp = cyclep -> cnext ; memberp ; memberp = memberp -> cnext ) {
1.3       mickey    477:        printf( "%6.6s %5.5s %7.2f %11.2f %7ld" , "", "",
                    478:          memberp->propself / hz, memberp->propchild / hz, memberp->npropcall );
                    479:        if (memberp -> selfcalls != 0)
                    480:            printf("+%-7ld" , memberp -> selfcalls);
                    481:        else
                    482:            printf(" %7.7s", "");
                    483:        printf("     ");
                    484:        printname(memberp);
                    485:        printf("\n");
1.1       deraadt   486:     }
                    487: }
                    488:
                    489:     /*
                    490:      * sort members of a cycle
                    491:      */
1.3       mickey    492: void
1.11      espie     493: sortmembers(nltype *cyclep)
1.1       deraadt   494: {
                    495:     nltype     *todo;
                    496:     nltype     *doing;
                    497:     nltype     *prev;
                    498:
                    499:        /*
                    500:         *      detach cycle members from cyclehead,
                    501:         *      and insertion sort them back on.
                    502:         */
                    503:     todo = cyclep -> cnext;
                    504:     cyclep -> cnext = 0;
1.4       fgsch     505:     for ((doing = todo) && (todo = doing -> cnext);
                    506:         doing; (doing = todo) && (todo = doing -> cnext)) {
1.3       mickey    507:        for (prev = cyclep; prev -> cnext; prev = prev -> cnext)
                    508:            if (membercmp(doing, prev->cnext ) == GREATERTHAN)
1.1       deraadt   509:                break;
                    510:        doing -> cnext = prev -> cnext;
                    511:        prev -> cnext = doing;
                    512:     }
                    513: }
                    514:
                    515:     /*
                    516:      * major sort is on propself + propchild,
                    517:      * next is sort on ncalls + selfcalls.
                    518:      */
                    519: int
1.11      espie     520: membercmp(nltype *this , nltype *that)
1.1       deraadt   521: {
                    522:     double     thistime = this -> propself + this -> propchild;
                    523:     double     thattime = that -> propself + that -> propchild;
                    524:     long       thiscalls = this -> ncall + this -> selfcalls;
                    525:     long       thatcalls = that -> ncall + that -> selfcalls;
                    526:
                    527:     if ( thistime > thattime ) {
                    528:        return GREATERTHAN;
                    529:     }
                    530:     if ( thistime < thattime ) {
                    531:        return LESSTHAN;
                    532:     }
                    533:     if ( thiscalls > thatcalls ) {
                    534:        return GREATERTHAN;
                    535:     }
                    536:     if ( thiscalls < thatcalls ) {
                    537:        return LESSTHAN;
                    538:     }
                    539:     return EQUALTO;
                    540: }
                    541:     /*
                    542:      * compare two arcs to/from the same child/parent.
                    543:      * - if one arc is a self arc, it's least.
                    544:      * - if one arc is within a cycle, it's less than.
                    545:      * - if both arcs are within a cycle, compare arc counts.
                    546:      * - if neither arc is within a cycle, compare with
                    547:      *         arc_time + arc_childtime as major key
                    548:      *         arc count as minor key
                    549:      */
                    550: int
1.11      espie     551: arccmp(arctype *thisp, arctype *thatp)
1.1       deraadt   552: {
                    553:     nltype     *thisparentp = thisp -> arc_parentp;
                    554:     nltype     *thischildp = thisp -> arc_childp;
                    555:     nltype     *thatparentp = thatp -> arc_parentp;
                    556:     nltype     *thatchildp = thatp -> arc_childp;
                    557:     double     thistime;
                    558:     double     thattime;
                    559:
                    560: #   ifdef DEBUG
                    561:        if ( debug & TIMEDEBUG ) {
                    562:            printf( "[arccmp] " );
                    563:            printname( thisparentp );
                    564:            printf( " calls " );
                    565:            printname ( thischildp );
1.10      art       566:            printf( " %f + %f %ld/%ld\n" ,
1.1       deraadt   567:                    thisp -> arc_time , thisp -> arc_childtime ,
                    568:                    thisp -> arc_count , thischildp -> ncall );
                    569:            printf( "[arccmp] " );
                    570:            printname( thatparentp );
                    571:            printf( " calls " );
                    572:            printname( thatchildp );
1.10      art       573:            printf( " %f + %f %ld/%ld\n" ,
1.1       deraadt   574:                    thatp -> arc_time , thatp -> arc_childtime ,
                    575:                    thatp -> arc_count , thatchildp -> ncall );
                    576:            printf( "\n" );
                    577:        }
1.6       danh      578: #   endif /* DEBUG */
1.1       deraadt   579:     if ( thisparentp == thischildp ) {
                    580:            /* this is a self call */
                    581:        return LESSTHAN;
                    582:     }
                    583:     if ( thatparentp == thatchildp ) {
                    584:            /* that is a self call */
                    585:        return GREATERTHAN;
                    586:     }
                    587:     if ( thisparentp -> cycleno != 0 && thischildp -> cycleno != 0 &&
                    588:        thisparentp -> cycleno == thischildp -> cycleno ) {
                    589:            /* this is a call within a cycle */
                    590:        if ( thatparentp -> cycleno != 0 && thatchildp -> cycleno != 0 &&
                    591:            thatparentp -> cycleno == thatchildp -> cycleno ) {
                    592:                /* that is a call within the cycle, too */
                    593:            if ( thisp -> arc_count < thatp -> arc_count ) {
                    594:                return LESSTHAN;
                    595:            }
                    596:            if ( thisp -> arc_count > thatp -> arc_count ) {
                    597:                return GREATERTHAN;
                    598:            }
                    599:            return EQUALTO;
                    600:        } else {
                    601:                /* that isn't a call within the cycle */
                    602:            return LESSTHAN;
                    603:        }
                    604:     } else {
                    605:            /* this isn't a call within a cycle */
                    606:        if ( thatparentp -> cycleno != 0 && thatchildp -> cycleno != 0 &&
                    607:            thatparentp -> cycleno == thatchildp -> cycleno ) {
                    608:                /* that is a call within a cycle */
                    609:            return GREATERTHAN;
                    610:        } else {
                    611:                /* neither is a call within a cycle */
                    612:            thistime = thisp -> arc_time + thisp -> arc_childtime;
                    613:            thattime = thatp -> arc_time + thatp -> arc_childtime;
                    614:            if ( thistime < thattime )
                    615:                return LESSTHAN;
                    616:            if ( thistime > thattime )
                    617:                return GREATERTHAN;
                    618:            if ( thisp -> arc_count < thatp -> arc_count )
                    619:                return LESSTHAN;
                    620:            if ( thisp -> arc_count > thatp -> arc_count )
                    621:                return GREATERTHAN;
                    622:            return EQUALTO;
                    623:        }
                    624:     }
                    625: }
                    626:
1.3       mickey    627: void
1.11      espie     628: printblurb(const char *blurbname)
1.1       deraadt   629: {
                    630:     FILE       *blurbfile;
                    631:     int                input;
                    632:
                    633:     blurbfile = fopen( blurbname , "r" );
                    634:     if ( blurbfile == NULL ) {
1.3       mickey    635:        warn("fopen: %s", blurbname );
1.1       deraadt   636:        return;
                    637:     }
1.3       mickey    638:     while ( ( input = getc( blurbfile ) ) != EOF )
1.1       deraadt   639:        putchar( input );
1.3       mickey    640:
1.1       deraadt   641:     fclose( blurbfile );
                    642: }
                    643:
                    644: int
1.11      espie     645: namecmp(nltype **npp1, nltype **npp2)
1.1       deraadt   646: {
                    647:     return( strcmp( (*npp1) -> name , (*npp2) -> name ) );
                    648: }
                    649:
1.3       mickey    650: void
1.1       deraadt   651: printindex()
                    652: {
                    653:     nltype             **namesortnlp;
1.5       mpech     654:     nltype             *nlp;
1.1       deraadt   655:     int                        index, nnames, todo, i, j;
                    656:     char               peterbuffer[ BUFSIZ ];
                    657:
                    658:        /*
                    659:         *      Now, sort regular function name alphbetically
                    660:         *      to create an index.
                    661:         */
                    662:     namesortnlp = (nltype **) calloc( nname + ncycle , sizeof(nltype *) );
1.3       mickey    663:     if ( namesortnlp == (nltype **) 0 )
                    664:        warnx("ran out of memory for sorting");
1.1       deraadt   665:     for ( index = 0 , nnames = 0 ; index < nname ; index++ ) {
                    666:        if ( zflag == 0 && nl[index].ncall == 0 && nl[index].time == 0 )
                    667:                continue;
                    668:        namesortnlp[nnames++] = &nl[index];
                    669:     }
                    670:     qsort( namesortnlp , nnames , sizeof(nltype *) , namecmp );
                    671:     for ( index = 1 , todo = nnames ; index <= ncycle ; index++ ) {
                    672:        namesortnlp[todo++] = &cyclenl[index];
                    673:     }
                    674:     printf( "\f\nIndex by function name\n\n" );
                    675:     index = ( todo + 2 ) / 3;
                    676:     for ( i = 0; i < index ; i++ ) {
                    677:        for ( j = i; j < todo ; j += index ) {
                    678:            nlp = namesortnlp[ j ];
                    679:            if ( nlp -> printflag ) {
1.7       deraadt   680:                snprintf(peterbuffer, sizeof peterbuffer, "[%d]" , nlp -> index );
1.1       deraadt   681:            } else {
1.7       deraadt   682:                snprintf(peterbuffer, sizeof peterbuffer, "(%d)" , nlp -> index );
1.1       deraadt   683:            }
                    684:            if ( j < nnames ) {
                    685:                printf( "%6.6s %-19.19s" , peterbuffer , nlp -> name );
                    686:            } else {
                    687:                printf( "%6.6s " , peterbuffer );
1.7       deraadt   688:                snprintf(peterbuffer, sizeof peterbuffer, "<cycle %d>"
                    689:                    , nlp -> cycleno );
1.1       deraadt   690:                printf( "%-19.19s" , peterbuffer );
                    691:            }
                    692:        }
                    693:        printf( "\n" );
                    694:     }
                    695:     free( namesortnlp );
                    696: }