Commit | Line | Data |
---|---|---|
f6227721 | 1 | #ifndef lint |
35371dec | 2 | static char *sccsid = "@(#)time.c 4.6 (Berkeley) %G%"; |
f6227721 | 3 | #endif |
35867765 BJ |
4 | |
5 | #include "sh.h" | |
6 | ||
7 | /* | |
8 | * C Shell - routines handling process timing and niceing | |
9 | */ | |
35867765 BJ |
10 | |
11 | settimes() | |
12 | { | |
ea775389 | 13 | struct rusage ruch; |
35867765 | 14 | |
35371dec EW |
15 | (void) gettimeofday(&time0, (struct timezone *)0); |
16 | (void) getrusage(RUSAGE_SELF, &ru0); | |
17 | (void) getrusage(RUSAGE_CHILDREN, &ruch); | |
ea775389 | 18 | ruadd(&ru0, &ruch); |
35867765 BJ |
19 | } |
20 | ||
21 | /* | |
22 | * dotime is only called if it is truly a builtin function and not a | |
23 | * prefix to another command | |
24 | */ | |
25 | dotime() | |
26 | { | |
ae3d9709 | 27 | struct timeval timedol; |
ea775389 | 28 | struct rusage ru1, ruch; |
35867765 | 29 | |
35371dec EW |
30 | (void) getrusage(RUSAGE_SELF, &ru1); |
31 | (void) getrusage(RUSAGE_CHILDREN, &ruch); | |
ea775389 | 32 | ruadd(&ru1, &ruch); |
35371dec | 33 | (void) gettimeofday(&timedol, (struct timezone *)0); |
ae3d9709 | 34 | prusage(&ru0, &ru1, &timedol, &time0); |
35867765 BJ |
35 | } |
36 | ||
37 | /* | |
38 | * donice is only called when it on the line by itself or with a +- value | |
39 | */ | |
40 | donice(v) | |
41 | register char **v; | |
42 | { | |
43 | register char *cp; | |
44 | ||
45 | v++, cp = *v++; | |
38474cb5 SL |
46 | if (cp == 0) |
47 | (void) setpriority(PRIO_PROCESS, 0, 4); | |
48 | else if (*v == 0 && any(cp[0], "+-")) | |
49 | (void) setpriority(PRIO_PROCESS, 0, | |
50 | getpriority(PRIO_PROCESS, 0) + getn(cp)); | |
35867765 BJ |
51 | } |
52 | ||
ea775389 SL |
53 | ruadd(ru, ru2) |
54 | register struct rusage *ru, *ru2; | |
35867765 | 55 | { |
ea775389 SL |
56 | register long *lp, *lp2; |
57 | register int cnt; | |
58 | ||
59 | tvadd(&ru->ru_utime, &ru2->ru_utime); | |
60 | tvadd(&ru->ru_stime, &ru2->ru_stime); | |
61 | if (ru2->ru_maxrss > ru->ru_maxrss) | |
62 | ru->ru_maxrss = ru2->ru_maxrss; | |
63 | cnt = &ru->ru_last - &ru->ru_first + 1; | |
64 | lp = &ru->ru_first; lp2 = &ru2->ru_first; | |
65 | do | |
66 | *lp++ += *lp2++; | |
67 | while (--cnt > 0); | |
35867765 BJ |
68 | } |
69 | ||
ae3d9709 | 70 | prusage(r0, r1, e, b) |
ea775389 | 71 | register struct rusage *r0, *r1; |
ae3d9709 | 72 | struct timeval *e, *b; |
35867765 BJ |
73 | { |
74 | register time_t t = | |
ea775389 SL |
75 | (r1->ru_utime.tv_sec-r0->ru_utime.tv_sec)*100+ |
76 | (r1->ru_utime.tv_usec-r0->ru_utime.tv_usec)/10000+ | |
77 | (r1->ru_stime.tv_sec-r0->ru_stime.tv_sec)*100+ | |
78 | (r1->ru_stime.tv_usec-r0->ru_stime.tv_usec)/10000; | |
35867765 BJ |
79 | register char *cp; |
80 | register int i; | |
81 | register struct varent *vp = adrof("time"); | |
ae3d9709 SL |
82 | int ms = |
83 | (e->tv_sec-b->tv_sec)*100 + (e->tv_usec-b->tv_usec)/10000; | |
35867765 BJ |
84 | |
85 | cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww"; | |
86 | if (vp && vp->vec[0] && vp->vec[1]) | |
87 | cp = vp->vec[1]; | |
88 | for (; *cp; cp++) | |
89 | if (*cp != '%') | |
90 | putchar(*cp); | |
91 | else if (cp[1]) switch(*++cp) { | |
92 | ||
93 | case 'U': | |
ea775389 | 94 | pdeltat(&r1->ru_utime, &r0->ru_utime); |
35867765 BJ |
95 | break; |
96 | ||
97 | case 'S': | |
ea775389 | 98 | pdeltat(&r1->ru_stime, &r0->ru_stime); |
35867765 BJ |
99 | break; |
100 | ||
101 | case 'E': | |
35371dec | 102 | psecs((long)(ms / 100)); |
35867765 BJ |
103 | break; |
104 | ||
105 | case 'P': | |
ae3d9709 | 106 | printf("%d%%", (int) (t*100 / ((ms ? ms : 1)))); |
35867765 BJ |
107 | break; |
108 | ||
109 | case 'W': | |
ea775389 | 110 | i = r1->ru_nswap - r0->ru_nswap; |
35867765 BJ |
111 | printf("%d", i); |
112 | break; | |
113 | ||
114 | case 'X': | |
ea775389 | 115 | printf("%d", t == 0 ? 0 : (r1->ru_ixrss-r0->ru_ixrss)/t); |
35867765 BJ |
116 | break; |
117 | ||
118 | case 'D': | |
ea775389 SL |
119 | printf("%d", t == 0 ? 0 : |
120 | (r1->ru_idrss+r1->ru_isrss-(r0->ru_idrss+r0->ru_isrss))/t); | |
35867765 BJ |
121 | break; |
122 | ||
123 | case 'K': | |
ea775389 SL |
124 | printf("%d", t == 0 ? 0 : |
125 | ((r1->ru_ixrss+r1->ru_isrss+r1->ru_idrss) - | |
126 | (r0->ru_ixrss+r0->ru_idrss+r0->ru_isrss))/t); | |
35867765 BJ |
127 | break; |
128 | ||
129 | case 'M': | |
ea775389 | 130 | printf("%d", r1->ru_maxrss/2); |
35867765 BJ |
131 | break; |
132 | ||
133 | case 'F': | |
ea775389 | 134 | printf("%d", r1->ru_majflt-r0->ru_majflt); |
35867765 BJ |
135 | break; |
136 | ||
137 | case 'R': | |
ea775389 | 138 | printf("%d", r1->ru_minflt-r0->ru_minflt); |
35867765 BJ |
139 | break; |
140 | ||
141 | case 'I': | |
ea775389 | 142 | printf("%d", r1->ru_inblock-r0->ru_inblock); |
35867765 BJ |
143 | break; |
144 | ||
145 | case 'O': | |
ea775389 | 146 | printf("%d", r1->ru_oublock-r0->ru_oublock); |
35867765 | 147 | break; |
35867765 BJ |
148 | } |
149 | putchar('\n'); | |
150 | } | |
ea775389 SL |
151 | |
152 | pdeltat(t1, t0) | |
153 | struct timeval *t1, *t0; | |
154 | { | |
155 | struct timeval td; | |
156 | ||
157 | tvsub(&td, t1, t0); | |
158 | printf("%d.%01d", td.tv_sec, td.tv_usec/100000); | |
159 | } | |
160 | ||
161 | tvadd(tsum, t0) | |
162 | struct timeval *tsum, *t0; | |
163 | { | |
164 | ||
165 | tsum->tv_sec += t0->tv_sec; | |
166 | tsum->tv_usec += t0->tv_usec; | |
167 | if (tsum->tv_usec > 1000000) | |
168 | tsum->tv_sec++, tsum->tv_usec -= 1000000; | |
169 | } | |
170 | ||
171 | tvsub(tdiff, t1, t0) | |
172 | struct timeval *tdiff, *t1, *t0; | |
173 | { | |
174 | ||
175 | tdiff->tv_sec = t1->tv_sec - t0->tv_sec; | |
176 | tdiff->tv_usec = t1->tv_usec - t0->tv_usec; | |
177 | if (tdiff->tv_usec < 0) | |
178 | tdiff->tv_sec--, tdiff->tv_usec += 1000000; | |
179 | } |