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[PATCH 39/76] xfs: add refcount btree stats infrastructure

To: david@xxxxxxxxxxxxx, darrick.wong@xxxxxxxxxx
Subject: [PATCH 39/76] xfs: add refcount btree stats infrastructure
From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Date: Sat, 19 Dec 2015 01:00:40 -0800
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20151219085622.12713.88678.stgit@xxxxxxxxxxxxxxxx>
References: <20151219085622.12713.88678.stgit@xxxxxxxxxxxxxxxx>
User-agent: StGit/0.17.1-dirty
The refcount btree presents the same stats as the other btrees, so
add all the code for that now.

Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 fs/xfs/libxfs/xfs_btree.h |    5 +++--
 fs/xfs/xfs_stats.c        |    1 +
 fs/xfs/xfs_stats.h        |   18 +++++++++++++++++-
 3 files changed, 21 insertions(+), 3 deletions(-)


diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index ddb66fd..ec37ac7 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -100,7 +100,7 @@ do {    \
        case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \
        case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \
        case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \
-       case XFS_BTNUM_REFC: break; \
+       case XFS_BTNUM_REFC: __XFS_BTREE_STATS_INC(__mp, refcbt, stat); break; \
        case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \
        }       \
 } while (0)
@@ -123,7 +123,8 @@ do {    \
                __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \
        case XFS_BTNUM_RMAP:    \
                __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \
-       case XFS_BTNUM_REFC: break;     \
+       case XFS_BTNUM_REFC:    \
+               __XFS_BTREE_STATS_ADD(__mp, refcbt, 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 f04f547..e447deb 100644
--- a/fs/xfs/xfs_stats.c
+++ b/fs/xfs/xfs_stats.c
@@ -62,6 +62,7 @@ int xfs_stats_format(struct xfsstats __percpu *stats, char 
*buf)
                { "ibt2",               XFSSTAT_END_IBT_V2              },
                { "fibt2",              XFSSTAT_END_FIBT_V2             },
                { "rmapbt",             XFSSTAT_END_RMAP_V2             },
+               { "refcntbt",           XFSSTAT_END_REFCOUNT            },
                /* 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 657865f..79ad2e6 100644
--- a/fs/xfs/xfs_stats.h
+++ b/fs/xfs/xfs_stats.h
@@ -213,7 +213,23 @@ struct xfsstats {
        __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)
+#define XFSSTAT_END_REFCOUNT           (XFSSTAT_END_RMAP_V2 + 15)
+       __uint32_t              xs_refcbt_2_lookup;
+       __uint32_t              xs_refcbt_2_compare;
+       __uint32_t              xs_refcbt_2_insrec;
+       __uint32_t              xs_refcbt_2_delrec;
+       __uint32_t              xs_refcbt_2_newroot;
+       __uint32_t              xs_refcbt_2_killroot;
+       __uint32_t              xs_refcbt_2_increment;
+       __uint32_t              xs_refcbt_2_decrement;
+       __uint32_t              xs_refcbt_2_lshift;
+       __uint32_t              xs_refcbt_2_rshift;
+       __uint32_t              xs_refcbt_2_split;
+       __uint32_t              xs_refcbt_2_join;
+       __uint32_t              xs_refcbt_2_alloc;
+       __uint32_t              xs_refcbt_2_free;
+       __uint32_t              xs_refcbt_2_moves;
+#define XFSSTAT_END_XQMSTAT            (XFSSTAT_END_REFCOUNT + 6)
        __uint32_t              xs_qm_dqreclaims;
        __uint32_t              xs_qm_dqreclaim_misses;
        __uint32_t              xs_qm_dquot_dups;

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