ufs_bufstats becomes vfs_bufstats

SCCS-vsn: sys/kern/vfs_bio.c 7.53
SCCS-vsn: sys/kern/vfs_cluster.c 7.53

diff --git a/usr/src/sys/kern/vfs_bio.c b/usr/src/sys/kern/vfs_bio.c
index de4854d..683afaf 100644 (file)
--- a/usr/src/sys/kern/vfs_bio.c
+++ b/usr/src/sys/kern/vfs_bio.c
@@ -633,3 +633,36 @@ biodone(bp)
                wakeup((caddr_t)bp);
        }
 }
                wakeup((caddr_t)bp);
        }
 }

+
+#ifdef DIAGNOSTIC
+/*
+ * Print out statistics on the current allocation of the buffer pool.
+ * Can be enabled to print out on every ``sync'' by setting "syncprt"
+ * above.
+ */
+void
+vfs_bufstats()
+{
+       int s, i, j, count;
+       register struct buf *dp, *bp;
+       int counts[MAXBSIZE/CLBYTES+1];
+       static char *bname[BQUEUES] = { "LOCKED", "LRU", "AGE", "EMPTY" };
+
+       for (dp = bfreelist, i = 0; dp < &bfreelist[BQUEUES]; dp++, i++) {
+               count = 0;
+               for (j = 0; j <= MAXBSIZE/CLBYTES; j++)
+                       counts[j] = 0;
+               s = splbio();
+               for (bp = dp->av_forw; dp != bp; bp = bp->av_forw) {
+                       counts[bp->b_bufsize/CLBYTES]++;
+                       count++;
+               }
+               splx(s);
+               printf("%s: total-%d", bname[i], count);
+               for (j = 0; j <= MAXBSIZE/CLBYTES; j++)
+                       if (counts[j] != 0)
+                               printf(", %d-%d", j * CLBYTES, counts[j]);
+               printf("\n");
+       }
+}
+#endif /* DIAGNOSTIC */

diff --git a/usr/src/sys/kern/vfs_cluster.c b/usr/src/sys/kern/vfs_cluster.c
index 0ec3a1b..81356d2 100644 (file)
--- a/usr/src/sys/kern/vfs_cluster.c
+++ b/usr/src/sys/kern/vfs_cluster.c
@@ -633,3 +633,36 @@ biodone(bp)
                wakeup((caddr_t)bp);
        }
 }
                wakeup((caddr_t)bp);
        }
 }

+
+#ifdef DIAGNOSTIC
+/*
+ * Print out statistics on the current allocation of the buffer pool.
+ * Can be enabled to print out on every ``sync'' by setting "syncprt"
+ * above.
+ */
+void
+vfs_bufstats()
+{
+       int s, i, j, count;
+       register struct buf *dp, *bp;
+       int counts[MAXBSIZE/CLBYTES+1];
+       static char *bname[BQUEUES] = { "LOCKED", "LRU", "AGE", "EMPTY" };
+
+       for (dp = bfreelist, i = 0; dp < &bfreelist[BQUEUES]; dp++, i++) {
+               count = 0;
+               for (j = 0; j <= MAXBSIZE/CLBYTES; j++)
+                       counts[j] = 0;
+               s = splbio();
+               for (bp = dp->av_forw; dp != bp; bp = bp->av_forw) {
+                       counts[bp->b_bufsize/CLBYTES]++;
+                       count++;
+               }
+               splx(s);
+               printf("%s: total-%d", bname[i], count);
+               for (j = 0; j <= MAXBSIZE/CLBYTES; j++)
+                       if (counts[j] != 0)
+                               printf(", %d-%d", j * CLBYTES, counts[j]);
+               printf("\n");
+       }
+}
+#endif /* DIAGNOSTIC */