1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 */ 6 7 #if defined(LIBC_SCCS) && !defined(lint) 8 static char sccsid[] = "@(#)vtimes.c 5.2 (Berkeley) 03/09/86"; 9 #endif LIBC_SCCS and not lint 10 11 #include <sys/time.h> 12 #include <sys/resource.h> 13 14 /* 15 * Backwards compatible vtimes. 16 */ 17 struct vtimes { 18 int vm_utime; /* user time (60'ths) */ 19 int vm_stime; /* system time (60'ths) */ 20 /* divide next two by utime+stime to get averages */ 21 unsigned vm_idsrss; /* integral of d+s rss */ 22 unsigned vm_ixrss; /* integral of text rss */ 23 int vm_maxrss; /* maximum rss */ 24 int vm_majflt; /* major page faults */ 25 int vm_minflt; /* minor page faults */ 26 int vm_nswap; /* number of swaps */ 27 int vm_inblk; /* block reads */ 28 int vm_oublk; /* block writes */ 29 }; 30 31 vtimes(par, chi) 32 register struct vtimes *par, *chi; 33 { 34 struct rusage ru; 35 36 if (par) { 37 if (getrusage(RUSAGE_SELF, &ru) < 0) 38 return (-1); 39 getvtimes(&ru, par); 40 } 41 if (chi) { 42 if (getrusage(RUSAGE_CHILDREN, &ru) < 0) 43 return (-1); 44 getvtimes(&ru, chi); 45 } 46 return (0); 47 } 48 49 static 50 getvtimes(aru, avt) 51 register struct rusage *aru; 52 register struct vtimes *avt; 53 { 54 55 avt->vm_utime = scale60(&aru->ru_utime); 56 avt->vm_stime = scale60(&aru->ru_stime); 57 avt->vm_idsrss = ((aru->ru_idrss+aru->ru_isrss) / 100) * 60; 58 avt->vm_ixrss = aru->ru_ixrss / 100 * 60; 59 avt->vm_maxrss = aru->ru_maxrss; 60 avt->vm_majflt = aru->ru_majflt; 61 avt->vm_minflt = aru->ru_minflt; 62 avt->vm_nswap = aru->ru_nswap; 63 avt->vm_inblk = aru->ru_inblock; 64 avt->vm_oublk = aru->ru_oublock; 65 } 66 67 static 68 scale60(tvp) 69 register struct timeval *tvp; 70 { 71 72 return (tvp->tv_sec * 60 + tvp->tv_usec / 16667); 73 } 74