Commit | Line | Data |
---|---|---|
ae3d9709 | 1 | /* time.c 4.3 83/02/03 */ |
35867765 BJ |
2 | |
3 | #include "sh.h" | |
4 | ||
5 | /* | |
6 | * C Shell - routines handling process timing and niceing | |
7 | */ | |
35867765 BJ |
8 | struct tms times0; |
9 | struct tms timesdol; | |
35867765 BJ |
10 | |
11 | settimes() | |
12 | { | |
ea775389 | 13 | struct rusage ruch; |
35867765 | 14 | |
ae3d9709 | 15 | gettimeofday(&time0, (struct timezone *)0); |
ea775389 SL |
16 | getrusage(RUSAGE_SELF, &ru0); |
17 | getrusage(RUSAGE_CHILDREN, &ruch); | |
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 | |
ea775389 SL |
30 | getrusage(RUSAGE_SELF, &ru1); |
31 | getrusage(RUSAGE_CHILDREN, &ruch); | |
32 | ruadd(&ru1, &ruch); | |
ae3d9709 SL |
33 | gettimeofday(&timedol, (struct timezone *)0); |
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++; | |
46 | if (cp == 0) { | |
47 | #ifndef V6 | |
48 | nice(20); | |
49 | nice(-10); | |
50 | #endif | |
51 | nice(4); | |
52 | } else if (*v == 0 && any(cp[0], "+-")) { | |
53 | #ifndef V6 | |
54 | nice(20); | |
55 | nice(-10); | |
56 | #endif | |
57 | nice(getn(cp)); | |
58 | } | |
59 | } | |
60 | ||
ea775389 SL |
61 | ruadd(ru, ru2) |
62 | register struct rusage *ru, *ru2; | |
35867765 | 63 | { |
ea775389 SL |
64 | register long *lp, *lp2; |
65 | register int cnt; | |
66 | ||
67 | tvadd(&ru->ru_utime, &ru2->ru_utime); | |
68 | tvadd(&ru->ru_stime, &ru2->ru_stime); | |
69 | if (ru2->ru_maxrss > ru->ru_maxrss) | |
70 | ru->ru_maxrss = ru2->ru_maxrss; | |
71 | cnt = &ru->ru_last - &ru->ru_first + 1; | |
72 | lp = &ru->ru_first; lp2 = &ru2->ru_first; | |
73 | do | |
74 | *lp++ += *lp2++; | |
75 | while (--cnt > 0); | |
35867765 BJ |
76 | } |
77 | ||
ae3d9709 | 78 | prusage(r0, r1, e, b) |
ea775389 | 79 | register struct rusage *r0, *r1; |
ae3d9709 | 80 | struct timeval *e, *b; |
35867765 BJ |
81 | { |
82 | register time_t t = | |
ea775389 SL |
83 | (r1->ru_utime.tv_sec-r0->ru_utime.tv_sec)*100+ |
84 | (r1->ru_utime.tv_usec-r0->ru_utime.tv_usec)/10000+ | |
85 | (r1->ru_stime.tv_sec-r0->ru_stime.tv_sec)*100+ | |
86 | (r1->ru_stime.tv_usec-r0->ru_stime.tv_usec)/10000; | |
35867765 BJ |
87 | register char *cp; |
88 | register int i; | |
89 | register struct varent *vp = adrof("time"); | |
ae3d9709 SL |
90 | int ms = |
91 | (e->tv_sec-b->tv_sec)*100 + (e->tv_usec-b->tv_usec)/10000; | |
35867765 BJ |
92 | |
93 | cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww"; | |
94 | if (vp && vp->vec[0] && vp->vec[1]) | |
95 | cp = vp->vec[1]; | |
96 | for (; *cp; cp++) | |
97 | if (*cp != '%') | |
98 | putchar(*cp); | |
99 | else if (cp[1]) switch(*++cp) { | |
100 | ||
101 | case 'U': | |
ea775389 | 102 | pdeltat(&r1->ru_utime, &r0->ru_utime); |
35867765 BJ |
103 | break; |
104 | ||
105 | case 'S': | |
ea775389 | 106 | pdeltat(&r1->ru_stime, &r0->ru_stime); |
35867765 BJ |
107 | break; |
108 | ||
109 | case 'E': | |
ae3d9709 | 110 | psecs(ms / 100); |
35867765 BJ |
111 | break; |
112 | ||
113 | case 'P': | |
ae3d9709 | 114 | printf("%d%%", (int) (t*100 / ((ms ? ms : 1)))); |
35867765 BJ |
115 | break; |
116 | ||
117 | case 'W': | |
ea775389 | 118 | i = r1->ru_nswap - r0->ru_nswap; |
35867765 BJ |
119 | printf("%d", i); |
120 | break; | |
121 | ||
122 | case 'X': | |
ea775389 | 123 | printf("%d", t == 0 ? 0 : (r1->ru_ixrss-r0->ru_ixrss)/t); |
35867765 BJ |
124 | break; |
125 | ||
126 | case 'D': | |
ea775389 SL |
127 | printf("%d", t == 0 ? 0 : |
128 | (r1->ru_idrss+r1->ru_isrss-(r0->ru_idrss+r0->ru_isrss))/t); | |
35867765 BJ |
129 | break; |
130 | ||
131 | case 'K': | |
ea775389 SL |
132 | printf("%d", t == 0 ? 0 : |
133 | ((r1->ru_ixrss+r1->ru_isrss+r1->ru_idrss) - | |
134 | (r0->ru_ixrss+r0->ru_idrss+r0->ru_isrss))/t); | |
35867765 BJ |
135 | break; |
136 | ||
137 | case 'M': | |
ea775389 | 138 | printf("%d", r1->ru_maxrss/2); |
35867765 BJ |
139 | break; |
140 | ||
141 | case 'F': | |
ea775389 | 142 | printf("%d", r1->ru_majflt-r0->ru_majflt); |
35867765 BJ |
143 | break; |
144 | ||
145 | case 'R': | |
ea775389 | 146 | printf("%d", r1->ru_minflt-r0->ru_minflt); |
35867765 BJ |
147 | break; |
148 | ||
149 | case 'I': | |
ea775389 | 150 | printf("%d", r1->ru_inblock-r0->ru_inblock); |
35867765 BJ |
151 | break; |
152 | ||
153 | case 'O': | |
ea775389 | 154 | printf("%d", r1->ru_oublock-r0->ru_oublock); |
35867765 | 155 | break; |
35867765 BJ |
156 | } |
157 | putchar('\n'); | |
158 | } | |
ea775389 SL |
159 | |
160 | pdeltat(t1, t0) | |
161 | struct timeval *t1, *t0; | |
162 | { | |
163 | struct timeval td; | |
164 | ||
165 | tvsub(&td, t1, t0); | |
166 | printf("%d.%01d", td.tv_sec, td.tv_usec/100000); | |
167 | } | |
168 | ||
169 | tvadd(tsum, t0) | |
170 | struct timeval *tsum, *t0; | |
171 | { | |
172 | ||
173 | tsum->tv_sec += t0->tv_sec; | |
174 | tsum->tv_usec += t0->tv_usec; | |
175 | if (tsum->tv_usec > 1000000) | |
176 | tsum->tv_sec++, tsum->tv_usec -= 1000000; | |
177 | } | |
178 | ||
179 | tvsub(tdiff, t1, t0) | |
180 | struct timeval *tdiff, *t1, *t0; | |
181 | { | |
182 | ||
183 | tdiff->tv_sec = t1->tv_sec - t0->tv_sec; | |
184 | tdiff->tv_usec = t1->tv_usec - t0->tv_usec; | |
185 | if (tdiff->tv_usec < 0) | |
186 | tdiff->tv_sec--, tdiff->tv_usec += 1000000; | |
187 | } |