[PATCH] verify_blkparse: update for per-CPU sequences

diff --git a/verify_blkparse.c b/verify_blkparse.c
index 50a1c816a8c026e594d23cca14b5473a20dddd39..36287fc48486c72313892095bbd1518d98d605ba 100644 (file)
--- a/verify_blkparse.c
+++ b/verify_blkparse.c
@@ -3,14 +3,20 @@
 #include <fcntl.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, nr, alias, last_seq;
+       int major, minor, cpu, seq, nr, alias;
        unsigned long long total_entries;
+       unsigned long last_seq[MAX_CPUS];
        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;
@@ -22,7 +28,6 @@ int main(int argc, char *argv[])
                return 1;
        }
 
-       last_seq = -1;
        last_time = 0;
        alias = nr = 0;
        total_entries = 0;
@@ -36,12 +41,17 @@ int main(int argc, char *argv[])
                } else
                        last_time = this_time;
 
-               if (last_seq == seq) {
+               if (cpu >= MAX_CPUS) {
+                       fprintf(stderr, "cpu%d too large\n", cpu);
+                       break;
+               }
+
+               if (last_seq[cpu] == seq) {
                        fprintf(stdout, "alias on sequence %u\n", seq);
                        alias++;
                }
 
-               last_seq = seq;
+               last_seq[cpu] = seq;
                total_entries++;
        }