reprint headers

SCCS-vsn: usr.sbin/iostat/iostat.c 4.2

diff --git a/usr/src/usr.sbin/iostat/iostat.c b/usr/src/usr.sbin/iostat/iostat.c
index 5224f17..1c6b0b6 100644 (file)
--- a/usr/src/usr.sbin/iostat/iostat.c
+++ b/usr/src/usr.sbin/iostat/iostat.c
@@ -1,4 +1,4 @@
-static char *sccsid = "@(#)iostat.c    4.1 (Berkeley) %G%";
+static char *sccsid = "@(#)iostat.c    4.2 (Berkeley) %G%";

 /*
  * iostat
  */
 /*
  * iostat
  */


@@ -50,6 +50,7 @@ char *argv[];
        int iter;
        double f1, f2;
        long t;
        int iter;
        double f1, f2;
        long t;

+       int tohdr = 1;

 
        nlist("/vmunix", nl);
        if(nl[X_DK_BUSY].n_type == 0) {
 
        nlist("/vmunix", nl);
        if(nl[X_DK_BUSY].n_type == 0) {


@@ -70,18 +71,20 @@ char *argv[];
        read(mf, s.dk_mspw, sizeof s.dk_mspw);
        if(argc > 2)
                iter = atoi(argv[2]);
        read(mf, s.dk_mspw, sizeof s.dk_mspw);
        if(argc > 2)
                iter = atoi(argv[2]);

-       printf("      TTY");
-       for (i = 0; i < DK_NDRIVE; i++)
-               if (s.dk_mspw[i] != 0.0)
-                       printf("           D%d ", i);
-       printf("         CPU\n");
-       printf(" tin tout");
-       for (i = 0; i < DK_NDRIVE; i++)
-               if (s.dk_mspw[i] != 0.0)
-                       printf(" sps tps msps ");
-       printf(" us ni sy id\n");
-

 loop:
 loop:

+       if (--tohdr == 0) {
+               printf("      TTY");
+               for (i = 0; i < DK_NDRIVE; i++)
+                       if (s.dk_mspw[i] != 0.0)
+                               printf("           D%d ", i);
+               printf("         CPU\n");
+               printf(" tin tout");
+               for (i = 0; i < DK_NDRIVE; i++)
+                       if (s.dk_mspw[i] != 0.0)
+                               printf(" sps tps msps ");
+               printf(" us ni sy id\n");
+               tohdr = 19;
+       }

        lseek(mf, (long)nl[X_DK_BUSY].n_value, 0);
        read(mf, &s.dk_busy, sizeof s.dk_busy);
        lseek(mf, (long)nl[X_DK_TIME].n_value, 0);
        lseek(mf, (long)nl[X_DK_BUSY].n_value, 0);
        read(mf, &s.dk_busy, sizeof s.dk_busy);
        lseek(mf, (long)nl[X_DK_TIME].n_value, 0);