Dump the buffers on the empty and age queues

SCCS-vsn: sys/scripts/bdump 7.2

diff --git a/usr/src/sys/scripts/bdump b/usr/src/sys/scripts/bdump
index f50101b..55984c0 100644 (file)
--- a/usr/src/sys/scripts/bdump
+++ b/usr/src/sys/scripts/bdump
@@ -1,7 +1,7 @@
 # Count the number of buffers in the buffer cache for which
 # bp->b_flags & $bufcount_match is non-0.
 #
 # Count the number of buffers in the buffer cache for which
 # bp->b_flags & $bufcount_match is non-0.
 #

-#      @(#)bdump       7.1 (Berkeley) %G%
+#      @(#)bdump       7.2 (Berkeley) %G%

 
 set $bufcount_match=0x020000
 define bufcount
 
 set $bufcount_match=0x020000
 define bufcount


@@ -57,3 +57,47 @@ define dumpbucket
        end
        printf "Number of buffers in bucket %d: %d\n", $arg0, $num
 end
        end
        printf "Number of buffers in bucket %d: %d\n", $arg0, $num
 end

+
+# Dump the buffers on the empty and age queues
+
+define bdumpnew
+
+       set $i = 0
+       set $num = 0
+
+       while ($i < 4)
+
+               printf "Queue %d\n", $i
+               set $bp = (struct buf *)bufqueues[$i].qe_next
+               while ($bp)
+                       printf "bp=0x%x flags=0x%x vp=0x%x lbn=%d size=0x%x\n", $bp, $bp->b_flags, $bp->b_vp, $bp->b_lblkno, $bp->b_bufsize
+                       set $num++
+                       set $bp = (struct buf *)$bp->b_freelist.qe_next
+               end
+               set $i++
+       end
+       printf "Number of buffers in free lists: %d\n", $num
+end
+
+define dumpchain
+
+       set $bp = (struct buf *)$arg0
+       while ($bp)
+               printf "bp=0x%x flags=0x%x bn=0x%x lbn=%d count=%d size=%d\n", $bp, $bp->b_flags, $bp->b_blkno, $bp->b_lblkno, $bp->b_bcount, $bp->b_bufsize
+               set $bp = (struct buf *)$bp->b_vnbufs.qe_next
+       end
+end
+
+define dumpq
+
+       set $num = 0
+
+       printf "Queue %d\n", $arg0
+       set $bp = (struct buf *)bufqueues[$arg0].qe_next
+       while ($bp)
+               printf "bp=0x%x flags=0x%x vp=0x%x lbn=%d size=0x%x\n", $bp, $bp->b_flags, $bp->b_vp, $bp->b_lblkno, $bp->b_bufsize
+               set $num++
+               set $bp = (struct buf *)$bp->b_freelist.qe_next
+       end
+       printf "Number of buffers on queue %d: %d\n", $arg0, $num
+end