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authorDavid Howells <dhowells@redhat.com>2009-11-19 21:11:08 +0300
committerDavid Howells <dhowells@redhat.com>2009-11-19 21:11:08 +0300
commit52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc (patch)
tree4fad4fa37ce533c520a4575e5b7df90e19c6a666 /fs/fscache/stats.c
parent4fbf4291aa15926cd4fdca0ffe9122e89d0459db (diff)
downloadlinux-52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc.tar.xz
FS-Cache: Add counters for entry/exit to/from cache operation functions
Count entries to and exits from cache operation table functions. Maintain these as a single counter that's added to or removed from as appropriate. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/fscache/stats.c')
-rw-r--r--fs/fscache/stats.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
index 65deb99e756b..20233fb44bfd 100644
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -93,6 +93,23 @@ atomic_t fscache_n_checkaux_okay;
atomic_t fscache_n_checkaux_update;
atomic_t fscache_n_checkaux_obsolete;
+atomic_t fscache_n_cop_alloc_object;
+atomic_t fscache_n_cop_lookup_object;
+atomic_t fscache_n_cop_lookup_complete;
+atomic_t fscache_n_cop_grab_object;
+atomic_t fscache_n_cop_update_object;
+atomic_t fscache_n_cop_drop_object;
+atomic_t fscache_n_cop_put_object;
+atomic_t fscache_n_cop_sync_cache;
+atomic_t fscache_n_cop_attr_changed;
+atomic_t fscache_n_cop_read_or_alloc_page;
+atomic_t fscache_n_cop_read_or_alloc_pages;
+atomic_t fscache_n_cop_allocate_page;
+atomic_t fscache_n_cop_allocate_pages;
+atomic_t fscache_n_cop_write_page;
+atomic_t fscache_n_cop_uncache_page;
+atomic_t fscache_n_cop_dissociate_pages;
+
/*
* display the general statistics
*/
@@ -192,6 +209,26 @@ static int fscache_stats_show(struct seq_file *m, void *v)
atomic_read(&fscache_n_op_deferred_release),
atomic_read(&fscache_n_op_release),
atomic_read(&fscache_n_op_gc));
+
+ seq_printf(m, "CacheOp: alo=%d luo=%d luc=%d gro=%d\n",
+ atomic_read(&fscache_n_cop_alloc_object),
+ atomic_read(&fscache_n_cop_lookup_object),
+ atomic_read(&fscache_n_cop_lookup_complete),
+ atomic_read(&fscache_n_cop_grab_object));
+ seq_printf(m, "CacheOp: upo=%d dro=%d pto=%d atc=%d syn=%d\n",
+ atomic_read(&fscache_n_cop_update_object),
+ atomic_read(&fscache_n_cop_drop_object),
+ atomic_read(&fscache_n_cop_put_object),
+ atomic_read(&fscache_n_cop_attr_changed),
+ atomic_read(&fscache_n_cop_sync_cache));
+ seq_printf(m, "CacheOp: rap=%d ras=%d alp=%d als=%d wrp=%d ucp=%d dsp=%d\n",
+ atomic_read(&fscache_n_cop_read_or_alloc_page),
+ atomic_read(&fscache_n_cop_read_or_alloc_pages),
+ atomic_read(&fscache_n_cop_allocate_page),
+ atomic_read(&fscache_n_cop_allocate_pages),
+ atomic_read(&fscache_n_cop_write_page),
+ atomic_read(&fscache_n_cop_uncache_page),
+ atomic_read(&fscache_n_cop_dissociate_pages));
return 0;
}