17d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin/* 27d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl> 37d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> 47d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com> 57d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl> 67d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Copyright (c) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation 77d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Linux for s390 port by D.J. Barrow 87d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * <barrow_dj@mail.yahoo.com,djbarrow@de.ibm.com> 97d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Copyright (c) 2004 Roland McGrath <roland@redhat.com> 107d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Copyright (c) 2006 Dmitry V. Levin <ldv@altlinux.org> 117d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * All rights reserved. 127d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * 137d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * Redistribution and use in source and binary forms, with or without 147d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * modification, are permitted provided that the following conditions 157d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * are met: 167d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * 1. Redistributions of source code must retain the above copyright 177d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * notice, this list of conditions and the following disclaimer. 187d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * 2. Redistributions in binary form must reproduce the above copyright 197d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * notice, this list of conditions and the following disclaimer in the 207d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * documentation and/or other materials provided with the distribution. 217d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * 3. The name of the author may not be used to endorse or promote products 227d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * derived from this software without specific prior written permission. 237d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * 247d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 257d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 267d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 277d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 287d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 297d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 307d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 317d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 327d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 337d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 347d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin */ 357d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 367d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin#include "defs.h" 377d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 388050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko/* Per-syscall stats structure */ 397d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstruct call_counts { 40e53bf23f1c33076090b51184b82af4dd98d0c51cMark Hills /* time may be total latency or system time */ 417d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin struct timeval time; 427d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin int calls, errors; 437d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin}; 447d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 457d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstatic struct call_counts *countv[SUPPORTED_PERSONALITIES]; 467d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin#define counts (countv[current_personality]) 477d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 487d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstatic struct timeval shortest = { 1000000, 0 }; 497d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 50c95a88f124895042345473fad58daa30da9e1565Denys Vlasenkovoid 51ac5133d0cb5c18a39f6fa9b7ca2ebcba9277a904Dmitry V. Levincount_syscall(struct tcb *tcp, const struct timeval *syscall_exiting_tv) 527d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin{ 53ac5133d0cb5c18a39f6fa9b7ca2ebcba9277a904Dmitry V. Levin struct timeval wtv; 54ac5133d0cb5c18a39f6fa9b7ca2ebcba9277a904Dmitry V. Levin struct timeval *tv = &wtv; 558050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko struct call_counts *cc; 5674ec14f968a418691b851cbbfeb0269174c64b08Denys Vlasenko unsigned long scno = tcp->scno; 5774ec14f968a418691b851cbbfeb0269174c64b08Denys Vlasenko 5874ec14f968a418691b851cbbfeb0269174c64b08Denys Vlasenko if (!SCNO_IN_RANGE(scno)) 59c95a88f124895042345473fad58daa30da9e1565Denys Vlasenko return; 607d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 617b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko if (!counts) { 627d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin counts = calloc(nsyscalls, sizeof(*counts)); 631d46ba57a8ab16b353b531f2bbefe2ad7f354ca9Denys Vlasenko if (!counts) 641d46ba57a8ab16b353b531f2bbefe2ad7f354ca9Denys Vlasenko die_out_of_memory(); 657d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 668050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko cc = &counts[scno]; 677d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 688050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko cc->calls++; 697d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (tcp->u_error) 708050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko cc->errors++; 717d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 728050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko /* tv = wall clock time spent while in syscall */ 73ac5133d0cb5c18a39f6fa9b7ca2ebcba9277a904Dmitry V. Levin tv_sub(tv, syscall_exiting_tv, &tcp->etime); 748050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko 758050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko /* Spent more wall clock time than spent system time? (usually yes) */ 767b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko if (tv_cmp(tv, &tcp->dtime) > 0) { 778050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko static struct timeval one_tick = { -1, 0 }; 787d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 798050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko if (one_tick.tv_sec == -1) { 807d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin /* Initialize it. */ 817d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin struct itimerval it; 827d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 837d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin memset(&it, 0, sizeof it); 847d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin it.it_interval.tv_usec = 1; 857d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin setitimer(ITIMER_REAL, &it, NULL); 867d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin getitimer(ITIMER_REAL, &it); 877d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin one_tick = it.it_interval; 888050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko//FIXME: this hack doesn't work (tested on linux-3.6.11): one_tick = 0.000000 898050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko//tprintf(" one_tick.tv_usec:%u\n", (unsigned)one_tick.tv_usec); 907d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 917d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 927d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (tv_nz(&tcp->dtime)) 938050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko /* tv = system time spent, if it isn't 0 */ 94ac5133d0cb5c18a39f6fa9b7ca2ebcba9277a904Dmitry V. Levin tv = &tcp->dtime; 957b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko else if (tv_cmp(tv, &one_tick) > 0) { 968050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko /* tv = smallest "sane" time interval */ 977d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (tv_cmp(&shortest, &one_tick) < 0) 98ac5133d0cb5c18a39f6fa9b7ca2ebcba9277a904Dmitry V. Levin tv = &shortest; 997d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin else 100ac5133d0cb5c18a39f6fa9b7ca2ebcba9277a904Dmitry V. Levin tv = &one_tick; 1017d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 1027d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 1037d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (tv_cmp(tv, &shortest) < 0) 1047d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin shortest = *tv; 105e53bf23f1c33076090b51184b82af4dd98d0c51cMark Hills tv_add(&cc->time, &cc->time, count_wallclock ? &wtv : tv); 1067d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin} 1077d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1087d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstatic int 1097d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levintime_cmp(void *a, void *b) 1107d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin{ 1117d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin return -tv_cmp(&counts[*((int *) a)].time, 1127d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin &counts[*((int *) b)].time); 1137d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin} 1147d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1157d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstatic int 1167d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinsyscall_cmp(void *a, void *b) 1177d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin{ 1187d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin return strcmp(sysent[*((int *) a)].sys_name, 1197d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin sysent[*((int *) b)].sys_name); 1207d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin} 1217d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1227d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstatic int 1237d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levincount_cmp(void *a, void *b) 1247d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin{ 1257d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin int m = counts[*((int *) a)].calls; 1267d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin int n = counts[*((int *) b)].calls; 1277d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1287d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin return (m < n) ? 1 : (m > n) ? -1 : 0; 1297d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin} 1307d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1317d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstatic int (*sortfun)(); 1327d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstatic struct timeval overhead = { -1, -1 }; 1337d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1347d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinvoid 13530145dda9d7ff70df1d5ad750a183572c73e8963Dmitry V. Levinset_sortby(const char *sortby) 1367d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin{ 1377d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (strcmp(sortby, "time") == 0) 1387d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin sortfun = time_cmp; 1397d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin else if (strcmp(sortby, "calls") == 0) 1407d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin sortfun = count_cmp; 1417d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin else if (strcmp(sortby, "name") == 0) 1427d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin sortfun = syscall_cmp; 1437d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin else if (strcmp(sortby, "nothing") == 0) 1447d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin sortfun = NULL; 1457b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko else { 1464c65c44478f1591d96cda425d78451334fe1d401Denys Vlasenko error_msg_and_die("invalid sortby: '%s'", sortby); 1477d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 1487d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin} 1497d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1507d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinvoid set_overhead(int n) 1517d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin{ 1527d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin overhead.tv_sec = n / 1000000; 1537d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin overhead.tv_usec = n % 1000000; 1547d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin} 1557d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1567d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinstatic void 1577d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levincall_summary_pers(FILE *outf) 1587d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin{ 1598050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko int i; 1607d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin int call_cum, error_cum; 1617d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin struct timeval tv_cum, dtv; 1628050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko double float_tv_cum; 1637d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin double percent; 1648050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko const char *dashes = "----------------"; 1658050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko char error_str[sizeof(int)*3]; 1668050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko int *sorted_count; 1678050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko 1688050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko fprintf(outf, "%6.6s %11.11s %11.11s %9.9s %9.9s %s\n", 1698050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko "% time", "seconds", "usecs/call", 1708050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko "calls", "errors", "syscall"); 1718050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko fprintf(outf, "%6.6s %11.11s %11.11s %9.9s %9.9s %s\n", 1728050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko dashes, dashes, dashes, dashes, dashes, dashes); 1737d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 1748050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko sorted_count = calloc(sizeof(int), nsyscalls); 1751d46ba57a8ab16b353b531f2bbefe2ad7f354ca9Denys Vlasenko if (!sorted_count) 1761d46ba57a8ab16b353b531f2bbefe2ad7f354ca9Denys Vlasenko die_out_of_memory(); 1777d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin call_cum = error_cum = tv_cum.tv_sec = tv_cum.tv_usec = 0; 1787b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko if (overhead.tv_sec == -1) { 1797d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin tv_mul(&overhead, &shortest, 8); 1807d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin tv_div(&overhead, &overhead, 10); 1817d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 1827b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko for (i = 0; i < nsyscalls; i++) { 1837d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin sorted_count[i] = i; 1847d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (counts == NULL || counts[i].calls == 0) 1857d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin continue; 1867d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin tv_mul(&dtv, &overhead, counts[i].calls); 1877d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin tv_sub(&counts[i].time, &counts[i].time, &dtv); 1887d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin call_cum += counts[i].calls; 1897d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin error_cum += counts[i].errors; 1907d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin tv_add(&tv_cum, &tv_cum, &counts[i].time); 1917d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 1928050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko float_tv_cum = tv_float(&tv_cum); 1937b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko if (counts) { 1948050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko if (sortfun) 1958050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko qsort((void *) sorted_count, nsyscalls, sizeof(int), sortfun); 1967b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko for (i = 0; i < nsyscalls; i++) { 1978050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko double float_syscall_time; 1988050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko int idx = sorted_count[i]; 1998050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko struct call_counts *cc = &counts[idx]; 2008050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko if (cc->calls == 0) 2017d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin continue; 2028050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko tv_div(&dtv, &cc->time, cc->calls); 2038050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko error_str[0] = '\0'; 2048050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko if (cc->errors) 2058050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko sprintf(error_str, "%u", cc->errors); 2068050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko float_syscall_time = tv_float(&cc->time); 2078050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko percent = (100.0 * float_syscall_time); 2088050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko if (percent != 0.0) 2098050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko percent /= float_tv_cum; 2108050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko /* else: float_tv_cum can be 0.0 too and we get 0/0 = NAN */ 2118050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko fprintf(outf, "%6.2f %11.6f %11lu %9u %9.9s %s\n", 2128050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko percent, float_syscall_time, 2130b315b65432cda20c7e5608c5124289036522fa7H.J. Lu (long) (1000000 * dtv.tv_sec + dtv.tv_usec), 2148050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko cc->calls, 2158050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko error_str, sysent[idx].sys_name); 2167d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 2177d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 2187d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin free(sorted_count); 2197d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 2208050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko fprintf(outf, "%6.6s %11.11s %11.11s %9.9s %9.9s %s\n", 2217d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin dashes, dashes, dashes, dashes, dashes, dashes); 2228050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko error_str[0] = '\0'; 2237d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (error_cum) 2248050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko sprintf(error_str, "%u", error_cum); 2258050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko fprintf(outf, "%6.6s %11.6f %11.11s %9u %9.9s %s\n", 2268050cdc43c7d804cebe7657d6b5fe8bc37700f2cDenys Vlasenko "100.00", float_tv_cum, "", 2277d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin call_cum, error_str, "total"); 2287d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin} 2297d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 2307d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levinvoid 2317d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levincall_summary(FILE *outf) 2327d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin{ 2337b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko int i, old_pers = current_personality; 2347d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 2357b609d5ba0852e6c56ba311350ebd4412361777bDenys Vlasenko for (i = 0; i < SUPPORTED_PERSONALITIES; ++i) { 2367d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (!countv[i]) 2377d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin continue; 2387d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 2397d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (current_personality != i) 2407d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin set_personality(i); 2417d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (i) 2427d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin fprintf(outf, 243aa6d8504772e7754163a109fb6bcbfbe13c3212bMike Frysinger "System call usage summary for %d bit mode:\n", 244c52826c267aaca5c976b10e13ee6debc0bdf3f43Denys Vlasenko current_wordsize * 8); 2457d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin call_summary_pers(outf); 2467d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin } 2477d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin 2487d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin if (old_pers != current_personality) 2497d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin set_personality(old_pers); 2507d61ff1dbf7226ed35a35c12b8b642bd5fc9a0a9Dmitry V. Levin} 251