![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to stat.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [CSRG BSD Unix] / 43BSDReno / sys / nfs / TEST / unix-tests / general|
Return to stat.c CVS log | Up to [CSRG BSD Unix] / 43BSDReno / sys / nfs / TEST / unix-tests / general |
1.1 root 1: /* @(#)stat.c 1.2 90/01/03 NFS Rev 2 Testsuite */
2: /* 1.3 Lachman ONC Test Suite source */
3:
4: #include <stdio.h>
5: #include <math.h>
6:
7: /*
8: * crunch through time stat files. This program will handle two
9: * formats: BSD
10: * 1.7 real 0.0 user 0.4 sys
11: * and ATT
12: * real 1.4
13: * user 0.0
14: * sys 0.2
15: *
16: * ATT format may break out minutes -- 2:03.2
17: */
18: #define MAXINDEX 100
19: double real[MAXINDEX];
20: double user[MAXINDEX];
21: double sys[MAXINDEX];
22: char *Prog, *File;
23:
24: main(argc, argv)
25: int argc;
26: char *argv[];
27: {
28: FILE *fp;
29: int i, n;
30: char c, *fmt;
31: int attfmt = 0; /* set if using att time format */
32:
33: Prog = argv[0];
34: if (argc == 1) {
35: fprintf(stderr, "Usage: %s datafile\n", Prog);
36: exit(1);
37: }
38: File = argv[1];
39: fp = fopen(File, "r");
40: if (fp == NULL) {
41: fprintf(stderr, "%s: unable to open %s\n",
42: Prog, File);
43: exit(1);
44: }
45: if ((i = fgetc(fp)) == EOF) {
46: fprintf(stderr, "%s: %s is empty\n",
47: Prog, File);
48: exit(1);
49: }
50: c = i & 0x7f;
51: if (c == '\n' || c == '\r' || c == 'r')
52: attfmt = 1;
53: else
54: fmt = "%F %*s %F %*s %F %*s"; /* BSD fmt */
55: if (ungetc(c, fp) == EOF) {
56: fprintf(stderr, "%s: can't push char back to %s\n",
57: Prog, File);
58: exit(1);
59: }
60:
61: if (attfmt) {
62: for (n = 0; getattfmt(fp, n, 1); n++) {
63: getattfmt(fp, n, 2);
64: getattfmt(fp, n, 3);
65: }
66: } else {
67: n = 0;
68: while(fscanf(fp, fmt, &real[n], &user[n], &sys[n]) == 3)
69: n++;
70: }
71: if (n == 0) {
72: fprintf(stderr, "%s: no data in %s\n",
73: Prog, File);
74: #ifdef SVR3
75: exit(0);
76: #else
77: exit(1);
78: #endif
79: }
80: stat(real, n);
81: printf(" real");
82: stat(user, n);
83: printf(" user");
84: stat(sys, n);
85: printf(" sys\n");
86:
87: exit(0);
88: }
89:
90: /*
91: * which: 1: real, 2:user, 3:sys
92: *
93: * returns 0 if no more data, else 1
94: */
95: getattfmt(fp, n, which)
96: FILE *fp;
97: int n, which;
98: {
99: char buf[BUFSIZ];
100: char *p;
101: char *fmt;
102: double *dp;
103: int min, err = 0;
104:
105: if (n < 0 || n >= MAXINDEX) {
106: fprintf(stderr, "%s: illegal index=%d in getattfmt\n",
107: Prog, n);
108: exit(1);
109: }
110: switch(which) {
111: case 1: /* real */
112: dp = &real[n];
113: break;
114: case 2: /* user */
115: dp = &user[n];
116: break;
117: case 3: /* sys */
118: dp = &sys[n];
119: break;
120: default:
121: fprintf(stderr, "%s: illegal which=%d in getattfmt\n",
122: Prog, which);
123: exit(1);
124: }
125:
126: while (fgets(buf, BUFSIZ, fp)) {
127: /* null out newline */
128: for (p = buf; *p && *p != '\n'; p++)
129: ;
130: if (*p == '\n')
131: *p = '\0';
132:
133: /* look for blank line and skip it */
134: for (p = buf; *p && (*p == ' ' || *p == '\t'); p++)
135: ;
136: if (*p == '\0')
137: continue;
138:
139: min = 0;
140: for (p = buf; *p && *p != ':'; p++)
141: ;
142: if (*p == ':') {
143: fmt = "%*s %d:%F";
144: if (sscanf(buf, fmt, &min, dp) != 2)
145: err = 1;
146: } else {
147: fmt = "%*s %F";
148: if (sscanf(buf, fmt, dp) != 1)
149: err = 1;
150: }
151: if (err) {
152: fprintf(stderr, "%s: bad data format in %s (%s)\n",
153: Prog, File, buf);
154: exit(1);
155: }
156: if (min > 0)
157: *dp += (double)(min * 60);
158: return 1;
159: }
160: /* EOF */
161: if (which == 1)
162: return 0;
163: else {
164: fprintf(stderr, "%s: premature EOF in %s\n",
165: Prog, File);
166: exit(1);
167: }
168: }
169:
170: stat(array, n)
171: double array[];
172: int n;
173: {
174: double avg, sd;
175: int i;
176:
177: avg = 0;
178: for (i = 0; i < n; i++)
179: avg += array[i];
180: avg = avg / (float) n;
181: sd = 0;
182: for (i = 0; i < n; i++)
183: sd += (array[i] - avg)*(array[i] - avg);
184: if (n > 1) {
185: sd = sd / (float) (n - 1);
186: sd = sqrt(sd);
187: } else {
188: sd = 0.0;
189: }
190: printf("\t%.1f (%.1f)", avg, sd);
191: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.