[src/trunk]: src/usr.bin/vmstat dopoolcache: don't print unused caches unless...

[yamt <yamt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d044b8cca5f7
branches:  trunk
changeset: 767667:d044b8cca5f7
user:      yamt <yamt%NetBSD.org@localhost>
date:      Tue Jul 26 13:24:38 2011 +0000

description:
dopoolcache: don't print unused caches unless verbose

diffstat:

 usr.bin/vmstat/vmstat.c |  12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diffs (54 lines):

diff -r c27e7c4a174e -r d044b8cca5f7 usr.bin/vmstat/vmstat.c
--- a/usr.bin/vmstat/vmstat.c   Tue Jul 26 13:18:55 2011 +0000
+++ b/usr.bin/vmstat/vmstat.c   Tue Jul 26 13:24:38 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vmstat.c,v 1.181 2011/05/17 04:18:07 mrg Exp $ */
+/* $NetBSD: vmstat.c,v 1.182 2011/07/26 13:24:38 yamt Exp $ */
 
 /*-
  * Copyright (c) 1998, 2000, 2001, 2007 The NetBSD Foundation, Inc.
@@ -70,7 +70,7 @@
 #if 0
 static char sccsid[] = "@(#)vmstat.c   8.2 (Berkeley) 3/1/95";
 #else
-__RCSID("$NetBSD: vmstat.c,v 1.181 2011/05/17 04:18:07 mrg Exp $");
+__RCSID("$NetBSD: vmstat.c,v 1.182 2011/07/26 13:24:38 yamt Exp $");
 #endif
 #endif /* not lint */
 
@@ -304,7 +304,7 @@
 void   dointr(int verbose);
 void   domem(void);
 void   dopool(int, int);
-void   dopoolcache(void);
+void   dopoolcache(int);
 void   dosum(void);
 void   dovmstat(struct timespec *, int);
 void   print_total_hdr(void);
@@ -498,7 +498,7 @@
                                (void)putchar('\n');
                        }
                        if (todo & POOLCACHESTAT) {
-                               dopoolcache();
+                               dopoolcache(verbose);
                                (void)putchar('\n');
                        }
                        if (todo & SUMSTAT) {
@@ -1456,7 +1456,7 @@
 }
 
 void
-dopoolcache(void)
+dopoolcache(int verbose)
 {
        struct pool_cache pool_cache, *pc = &pool_cache;
        pool_cache_cpu_t cache_cpu, *cc = &cache_cpu;
@@ -1480,6 +1480,8 @@
                deref_kptr(pp->pr_wchan, name, sizeof(name),
                    "pool wait channel trashed");
                deref_kptr(pp->pr_cache, pc, sizeof(*pc), "pool cache trashed");
+               if (pc->pc_misses == 0 && !verbose)
+                       continue;
                name[sizeof(name)-1] = '\0';
 
                cpuhit = 0;