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[PATCH 06/20] xfs: add rmap btree stats infrastructure

To: xfs@xxxxxxxxxxx
Subject: [PATCH 06/20] xfs: add rmap btree stats infrastructure
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Wed, 3 Jun 2015 16:04:43 +1000
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1433311497-10245-1-git-send-email-david@xxxxxxxxxxxxx>
References: <1433311497-10245-1-git-send-email-david@xxxxxxxxxxxxx>
From: Dave Chinner <dchinner@xxxxxxxxxx>

The rmap btree will require the same stats as all the other generic
btrees, so add al the code for that now.

Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
---
 fs/xfs/libxfs/xfs_btree.h |  4 ++--
 fs/xfs/xfs_stats.c        |  1 +
 fs/xfs/xfs_stats.h        | 18 +++++++++++++++++-
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index ace1995..494ee0b 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -95,7 +95,7 @@ do {    \
        case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(bmbt, stat); break;  \
        case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(ibt, stat); break;    \
        case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(fibt, stat); break;  \
-       case XFS_BTNUM_RMAP: break;     \
+       case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(rmap, stat); break;  \
        case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break;       \
        }       \
 } while (0)
@@ -110,7 +110,7 @@ do {    \
        case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_ADD(bmbt, stat, val); break; \
        case XFS_BTNUM_INO: __XFS_BTREE_STATS_ADD(ibt, stat, val); break; \
        case XFS_BTNUM_FINO: __XFS_BTREE_STATS_ADD(fibt, stat, val); break; \
-       case XFS_BTNUM_RMAP: break; \
+       case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_ADD(rmap, stat, val); break; \
        case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break;       \
        }       \
 } while (0)
diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c
index f224038..67bbfa2 100644
--- a/fs/xfs/xfs_stats.c
+++ b/fs/xfs/xfs_stats.c
@@ -60,6 +60,7 @@ static int xfs_stat_proc_show(struct seq_file *m, void *v)
                { "bmbt2",              XFSSTAT_END_BMBT_V2             },
                { "ibt2",               XFSSTAT_END_IBT_V2              },
                { "fibt2",              XFSSTAT_END_FIBT_V2             },
+               { "rmapbt",             XFSSTAT_END_RMAP_V2             },
                /* we print both series of quota information together */
                { "qm",                 XFSSTAT_END_QM                  },
        };
diff --git a/fs/xfs/xfs_stats.h b/fs/xfs/xfs_stats.h
index c8f238b..8414db2 100644
--- a/fs/xfs/xfs_stats.h
+++ b/fs/xfs/xfs_stats.h
@@ -199,7 +199,23 @@ struct xfsstats {
        __uint32_t              xs_fibt_2_alloc;
        __uint32_t              xs_fibt_2_free;
        __uint32_t              xs_fibt_2_moves;
-#define XFSSTAT_END_XQMSTAT            (XFSSTAT_END_FIBT_V2+6)
+#define XFSSTAT_END_RMAP_V2            (XFSSTAT_END_FIBT_V2+15)
+       __uint32_t              xs_rmap_2_lookup;
+       __uint32_t              xs_rmap_2_compare;
+       __uint32_t              xs_rmap_2_insrec;
+       __uint32_t              xs_rmap_2_delrec;
+       __uint32_t              xs_rmap_2_newroot;
+       __uint32_t              xs_rmap_2_killroot;
+       __uint32_t              xs_rmap_2_increment;
+       __uint32_t              xs_rmap_2_decrement;
+       __uint32_t              xs_rmap_2_lshift;
+       __uint32_t              xs_rmap_2_rshift;
+       __uint32_t              xs_rmap_2_split;
+       __uint32_t              xs_rmap_2_join;
+       __uint32_t              xs_rmap_2_alloc;
+       __uint32_t              xs_rmap_2_free;
+       __uint32_t              xs_rmap_2_moves;
+#define XFSSTAT_END_XQMSTAT            (XFSSTAT_END_RMAP_V2+6)
        __uint32_t              xs_qm_dqreclaims;
        __uint32_t              xs_qm_dqreclaim_misses;
        __uint32_t              xs_qm_dquot_dups;
-- 
2.0.0

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