Commit | Line | Data |
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42a58cd1 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <fcntl.h> | |
212421d8 | 4 | #include <string.h> |
42a58cd1 JA |
5 | #include <unistd.h> |
6 | ||
ced8a9bf JA |
7 | #define MAX_CPUS (512) |
8 | ||
42a58cd1 JA |
9 | int main(int argc, char *argv[]) |
10 | { | |
11 | double this_time, last_time; | |
212421d8 | 12 | char line[256], last_line[256], *p; |
b444507c | 13 | int major, minor, cpu, nr, alias; |
fd8a68ba | 14 | unsigned long long total_entries; |
b444507c | 15 | unsigned int last_seq[MAX_CPUS], seq; |
42a58cd1 JA |
16 | FILE *f; |
17 | ||
ced8a9bf JA |
18 | for (nr = 0; nr < MAX_CPUS; nr++) |
19 | last_seq[nr] = -1; | |
20 | ||
42a58cd1 JA |
21 | if (argc < 2) { |
22 | fprintf(stderr, "%s: file\n", argv[0]); | |
23 | return 1; | |
24 | } | |
25 | ||
26 | f = fopen(argv[1], "r"); | |
27 | if (!f) { | |
28 | perror("fopen"); | |
29 | return 1; | |
30 | } | |
31 | ||
32 | last_time = 0; | |
8c0221bf | 33 | alias = nr = 0; |
fd8a68ba | 34 | total_entries = 0; |
42a58cd1 | 35 | while ((p = fgets(line, sizeof(line), f)) != NULL) { |
58261c75 | 36 | if (sscanf(p, "%3d,%3d %2d %8d %lf", &major, &minor, &cpu, &seq, &this_time) != 5) |
42a58cd1 JA |
37 | break; |
38 | ||
cf4b68a5 | 39 | if (this_time < last_time) { |
212421d8 JA |
40 | fprintf(stdout, "last: %s", last_line); |
41 | fprintf(stdout, "this: %s", p); | |
cf4b68a5 | 42 | nr++; |
212421d8 JA |
43 | } |
44 | ||
45 | last_time = this_time; | |
63c7bd75 | 46 | |
ced8a9bf JA |
47 | if (cpu >= MAX_CPUS) { |
48 | fprintf(stderr, "cpu%d too large\n", cpu); | |
49 | break; | |
50 | } | |
51 | ||
52 | if (last_seq[cpu] == seq) { | |
b99d1637 | 53 | fprintf(stdout, "alias on sequence %u\n", seq); |
63c7bd75 | 54 | alias++; |
b99d1637 | 55 | } |
63c7bd75 | 56 | |
ced8a9bf | 57 | last_seq[cpu] = seq; |
fd8a68ba | 58 | total_entries++; |
212421d8 | 59 | strcpy(last_line, line); |
42a58cd1 JA |
60 | } |
61 | ||
fd8a68ba | 62 | fprintf(stdout, "Events %Lu: %d unordered, %d aliases\n", total_entries, nr, alias); |
42a58cd1 | 63 | fclose(f); |
cf4b68a5 JA |
64 | |
65 | return nr != 0; | |
42a58cd1 | 66 | } |