#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
+#include <string.h>
#include <unistd.h>
+#define MAX_CPUS (512)
+
int main(int argc, char *argv[])
{
double this_time, last_time;
- char line[256], *p;
- int major, minor, cpu, seq;
+ char line[256], last_line[256], *p;
+ int major, minor, cpu, nr, alias;
+ unsigned long long total_entries;
+ unsigned int last_seq[MAX_CPUS], seq;
FILE *f;
+ for (nr = 0; nr < MAX_CPUS; nr++)
+ last_seq[nr] = -1;
+
if (argc < 2) {
fprintf(stderr, "%s: file\n", argv[0]);
return 1;
}
last_time = 0;
+ alias = nr = 0;
+ total_entries = 0;
while ((p = fgets(line, sizeof(line), f)) != NULL) {
- if (!sscanf(p, "%3d,%3d %2d %8d %lf", &major, &minor, &cpu, &seq, &this_time))
+ if (sscanf(p, "%3d,%3d %2d %8d %lf", &major, &minor, &cpu, &seq, &this_time) != 5)
+ break;
+
+ if (this_time < last_time) {
+ fprintf(stdout, "last: %s", last_line);
+ fprintf(stdout, "this: %s", p);
+ nr++;
+ }
+
+ last_time = this_time;
+
+ if (cpu >= MAX_CPUS) {
+ fprintf(stderr, "cpu%d too large\n", cpu);
break;
+ }
- if (this_time < last_time)
- printf("%s", p);
- else
- last_time = this_time;
+ if (last_seq[cpu] == seq) {
+ fprintf(stdout, "alias on sequence %u\n", seq);
+ alias++;
+ }
+
+ last_seq[cpu] = seq;
+ total_entries++;
+ strcpy(last_line, line);
}
+ fprintf(stdout, "Events %Lu: %d unordered, %d aliases\n", total_entries, nr, alias);
fclose(f);
- return 0;
+
+ return nr != 0;
}