Commit | Line | Data |
---|---|---|
b79f4fa9 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
094e80ed | 3 | * All rights reserved. The Berkeley Software License Agreement |
b79f4fa9 DF |
4 | * specifies the terms and conditions for redistribution. |
5 | */ | |
6 | ||
f6227721 | 7 | #ifndef lint |
fad613b5 | 8 | static char *sccsid = "@(#)time.c 5.6 (Berkeley) %G%"; |
094e80ed | 9 | #endif |
35867765 BJ |
10 | |
11 | #include "sh.h" | |
12 | ||
13 | /* | |
14 | * C Shell - routines handling process timing and niceing | |
15 | */ | |
35867765 BJ |
16 | |
17 | settimes() | |
18 | { | |
ea775389 | 19 | struct rusage ruch; |
35867765 | 20 | |
35371dec EW |
21 | (void) gettimeofday(&time0, (struct timezone *)0); |
22 | (void) getrusage(RUSAGE_SELF, &ru0); | |
23 | (void) getrusage(RUSAGE_CHILDREN, &ruch); | |
ea775389 | 24 | ruadd(&ru0, &ruch); |
35867765 BJ |
25 | } |
26 | ||
27 | /* | |
28 | * dotime is only called if it is truly a builtin function and not a | |
29 | * prefix to another command | |
30 | */ | |
31 | dotime() | |
32 | { | |
ae3d9709 | 33 | struct timeval timedol; |
ea775389 | 34 | struct rusage ru1, ruch; |
35867765 | 35 | |
35371dec EW |
36 | (void) getrusage(RUSAGE_SELF, &ru1); |
37 | (void) getrusage(RUSAGE_CHILDREN, &ruch); | |
ea775389 | 38 | ruadd(&ru1, &ruch); |
35371dec | 39 | (void) gettimeofday(&timedol, (struct timezone *)0); |
ae3d9709 | 40 | prusage(&ru0, &ru1, &timedol, &time0); |
35867765 BJ |
41 | } |
42 | ||
43 | /* | |
44 | * donice is only called when it on the line by itself or with a +- value | |
45 | */ | |
46 | donice(v) | |
47 | register char **v; | |
48 | { | |
49 | register char *cp; | |
1ab62557 | 50 | int nval; |
35867765 BJ |
51 | |
52 | v++, cp = *v++; | |
38474cb5 | 53 | if (cp == 0) |
1ab62557 | 54 | nval = 4; |
38474cb5 | 55 | else if (*v == 0 && any(cp[0], "+-")) |
1ab62557 | 56 | nval = getn(cp); |
8b948fd2 | 57 | (void) setpriority(PRIO_PROCESS, 0, nval); |
35867765 BJ |
58 | } |
59 | ||
ea775389 SL |
60 | ruadd(ru, ru2) |
61 | register struct rusage *ru, *ru2; | |
35867765 | 62 | { |
ea775389 SL |
63 | register long *lp, *lp2; |
64 | register int cnt; | |
65 | ||
66 | tvadd(&ru->ru_utime, &ru2->ru_utime); | |
67 | tvadd(&ru->ru_stime, &ru2->ru_stime); | |
68 | if (ru2->ru_maxrss > ru->ru_maxrss) | |
69 | ru->ru_maxrss = ru2->ru_maxrss; | |
70 | cnt = &ru->ru_last - &ru->ru_first + 1; | |
71 | lp = &ru->ru_first; lp2 = &ru2->ru_first; | |
72 | do | |
73 | *lp++ += *lp2++; | |
74 | while (--cnt > 0); | |
35867765 BJ |
75 | } |
76 | ||
ae3d9709 | 77 | prusage(r0, r1, e, b) |
ea775389 | 78 | register struct rusage *r0, *r1; |
ae3d9709 | 79 | struct timeval *e, *b; |
35867765 BJ |
80 | { |
81 | register time_t t = | |
ea775389 SL |
82 | (r1->ru_utime.tv_sec-r0->ru_utime.tv_sec)*100+ |
83 | (r1->ru_utime.tv_usec-r0->ru_utime.tv_usec)/10000+ | |
84 | (r1->ru_stime.tv_sec-r0->ru_stime.tv_sec)*100+ | |
85 | (r1->ru_stime.tv_usec-r0->ru_stime.tv_usec)/10000; | |
35867765 | 86 | register char *cp; |
1f7b623f | 87 | register long i; |
35867765 | 88 | register struct varent *vp = adrof("time"); |
1f7b623f | 89 | long ms = |
ae3d9709 | 90 | (e->tv_sec-b->tv_sec)*100 + (e->tv_usec-b->tv_usec)/10000; |
35867765 BJ |
91 | |
92 | cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww"; | |
93 | if (vp && vp->vec[0] && vp->vec[1]) | |
94 | cp = vp->vec[1]; | |
95 | for (; *cp; cp++) | |
96 | if (*cp != '%') | |
fad613b5 | 97 | cshputchar(*cp); |
35867765 BJ |
98 | else if (cp[1]) switch(*++cp) { |
99 | ||
100 | case 'U': | |
ea775389 | 101 | pdeltat(&r1->ru_utime, &r0->ru_utime); |
35867765 BJ |
102 | break; |
103 | ||
104 | case 'S': | |
ea775389 | 105 | pdeltat(&r1->ru_stime, &r0->ru_stime); |
35867765 BJ |
106 | break; |
107 | ||
108 | case 'E': | |
1f7b623f | 109 | psecs(ms / 100); |
35867765 BJ |
110 | break; |
111 | ||
112 | case 'P': | |
ae3d9709 | 113 | printf("%d%%", (int) (t*100 / ((ms ? ms : 1)))); |
35867765 BJ |
114 | break; |
115 | ||
116 | case 'W': | |
ea775389 | 117 | i = r1->ru_nswap - r0->ru_nswap; |
1f7b623f | 118 | printf("%ld", i); |
35867765 BJ |
119 | break; |
120 | ||
121 | case 'X': | |
1f7b623f | 122 | printf("%ld", t == 0 ? 0L : (r1->ru_ixrss-r0->ru_ixrss)/t); |
35867765 BJ |
123 | break; |
124 | ||
125 | case 'D': | |
1f7b623f | 126 | printf("%ld", t == 0 ? 0L : |
ea775389 | 127 | (r1->ru_idrss+r1->ru_isrss-(r0->ru_idrss+r0->ru_isrss))/t); |
35867765 BJ |
128 | break; |
129 | ||
130 | case 'K': | |
1f7b623f | 131 | printf("%ld", t == 0 ? 0L : |
ea775389 SL |
132 | ((r1->ru_ixrss+r1->ru_isrss+r1->ru_idrss) - |
133 | (r0->ru_ixrss+r0->ru_idrss+r0->ru_isrss))/t); | |
35867765 BJ |
134 | break; |
135 | ||
136 | case 'M': | |
1f7b623f | 137 | printf("%ld", r1->ru_maxrss/2); |
35867765 BJ |
138 | break; |
139 | ||
140 | case 'F': | |
1f7b623f | 141 | printf("%ld", r1->ru_majflt-r0->ru_majflt); |
35867765 BJ |
142 | break; |
143 | ||
144 | case 'R': | |
1f7b623f | 145 | printf("%ld", r1->ru_minflt-r0->ru_minflt); |
35867765 BJ |
146 | break; |
147 | ||
148 | case 'I': | |
1f7b623f | 149 | printf("%ld", r1->ru_inblock-r0->ru_inblock); |
35867765 BJ |
150 | break; |
151 | ||
152 | case 'O': | |
1f7b623f | 153 | printf("%ld", r1->ru_oublock-r0->ru_oublock); |
35867765 | 154 | break; |
35867765 | 155 | } |
fad613b5 | 156 | cshputchar('\n'); |
35867765 | 157 | } |
ea775389 SL |
158 | |
159 | pdeltat(t1, t0) | |
160 | struct timeval *t1, *t0; | |
161 | { | |
162 | struct timeval td; | |
163 | ||
164 | tvsub(&td, t1, t0); | |
165 | printf("%d.%01d", td.tv_sec, td.tv_usec/100000); | |
166 | } | |
167 | ||
168 | tvadd(tsum, t0) | |
169 | struct timeval *tsum, *t0; | |
170 | { | |
171 | ||
172 | tsum->tv_sec += t0->tv_sec; | |
173 | tsum->tv_usec += t0->tv_usec; | |
174 | if (tsum->tv_usec > 1000000) | |
175 | tsum->tv_sec++, tsum->tv_usec -= 1000000; | |
176 | } | |
177 | ||
178 | tvsub(tdiff, t1, t0) | |
179 | struct timeval *tdiff, *t1, *t0; | |
180 | { | |
181 | ||
182 | tdiff->tv_sec = t1->tv_sec - t0->tv_sec; | |
183 | tdiff->tv_usec = t1->tv_usec - t0->tv_usec; | |
184 | if (tdiff->tv_usec < 0) | |
185 | tdiff->tv_sec--, tdiff->tv_usec += 1000000; | |
186 | } |