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 | } |