projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 2fe5b800 SL |
1 | /* vtimes.c 4.1 83/05/31 */ |
| 2 | ||
| 3 | #include <sys/time.h> | |
| 4 | #include <sys/resource.h> | |
| 5 | ||
| 6 | /* | |
| 7 | * Backwards compatible vtimes. | |
| 8 | */ | |
| 9 | struct vtimes { | |
| 10 | int vm_utime; /* user time (60'ths) */ | |
| 11 | int vm_stime; /* system time (60'ths) */ | |
| 12 | /* divide next two by utime+stime to get averages */ | |
| 13 | unsigned vm_idsrss; /* integral of d+s rss */ | |
| 14 | unsigned vm_ixrss; /* integral of text rss */ | |
| 15 | int vm_maxrss; /* maximum rss */ | |
| 16 | int vm_majflt; /* major page faults */ | |
| 17 | int vm_minflt; /* minor page faults */ | |
| 18 | int vm_nswap; /* number of swaps */ | |
| 19 | int vm_inblk; /* block reads */ | |
| 20 | int vm_oublk; /* block writes */ | |
| 21 | }; | |
| 22 | ||
| 23 | vtimes(par, chi) | |
| 24 | register struct vtimes *par, *chi; | |
| 25 | { | |
| 26 | struct rusage ru; | |
| 27 | ||
| 28 | if (par) { | |
| 29 | if (getrusage(RUSAGE_SELF, &ru) < 0) | |
| 30 | return (-1); | |
| 31 | getvtimes(&ru, par); | |
| 32 | } | |
| 33 | if (chi) { | |
| 34 | if (getrusage(RUSAGE_CHILDREN, &ru) < 0) | |
| 35 | return (-1); | |
| 36 | getvtimes(&ru, chi); | |
| 37 | } | |
| 38 | return (0); | |
| 39 | } | |
| 40 | ||
| 41 | static | |
| 42 | getvtimes(aru, avt) | |
| 43 | register struct rusage *aru; | |
| 44 | register struct vtimes *avt; | |
| 45 | { | |
| 46 | ||
| 47 | avt->vm_utime = scale60(&aru->ru_utime); | |
| 48 | avt->vm_stime = scale60(&aru->ru_stime); | |
| 49 | avt->vm_idsrss = ((aru->ru_idrss+aru->ru_isrss) / 100) * 60; | |
| 50 | avt->vm_ixrss = aru->ru_ixrss / 100 * 60; | |
| 51 | avt->vm_maxrss = aru->ru_maxrss; | |
| 52 | avt->vm_majflt = aru->ru_majflt; | |
| 53 | avt->vm_minflt = aru->ru_minflt; | |
| 54 | avt->vm_nswap = aru->ru_nswap; | |
| 55 | avt->vm_inblk = aru->ru_inblock; | |
| 56 | avt->vm_oublk = aru->ru_oublock; | |
| 57 | } | |
| 58 | ||
| 59 | static | |
| 60 | scale60(tvp) | |
| 61 | register struct timeval *tvp; | |
| 62 | { | |
| 63 | ||
| 64 | return (tvp->tv_sec * 60 + tvp->tv_usec / 16667); | |
| 65 | } |