[PATCH] verify_blkparse: improve output

diff --git a/verify_blkparse.c b/verify_blkparse.c
index 36287fc48486c72313892095bbd1518d98d605ba..5f018739d2034cb3abe9c3098eaf124aac8e912f 100644 (file)
--- a/verify_blkparse.c
+++ b/verify_blkparse.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <fcntl.h>
+#include <string.h>
 #include <unistd.h>
 
 #define MAX_CPUS       (512)
@@ -8,7 +9,7 @@
 int main(int argc, char *argv[])
 {
        double this_time, last_time;
-       char line[256], *p;
+       char line[256], last_line[256], *p;
        int major, minor, cpu, seq, nr, alias;
        unsigned long long total_entries;
        unsigned long last_seq[MAX_CPUS];
@@ -36,10 +37,12 @@ int main(int argc, char *argv[])
                        break;
 
                if (this_time < last_time) {
-                       fprintf(stdout, "%s", p);
+                       fprintf(stdout, "last: %s", last_line);
+                       fprintf(stdout, "this: %s", p);
                        nr++;
-               } else
-                       last_time = this_time;
+               }
+
+               last_time = this_time;
 
                if (cpu >= MAX_CPUS) {
                        fprintf(stderr, "cpu%d too large\n", cpu);
@@ -53,6 +56,7 @@ int main(int argc, char *argv[])
 
                last_seq[cpu] = seq;
                total_entries++;
+               strcpy(last_line, line);
        }
 
        fprintf(stdout, "Events %Lu: %d unordered, %d aliases\n", total_entries, nr, alias);