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Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH 09/13] FS-Cache: Count the number of initialised operations From: David Howells To: linux-cachefs@redhat.com Cc: dhowells@redhat.com, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Thu, 26 Feb 2015 14:02:51 +0000 Message-ID: <20150226140251.2387.93288.stgit@warthog.procyon.org.uk> In-Reply-To: <20150226140155.2387.70579.stgit@warthog.procyon.org.uk> References: <20150226140155.2387.70579.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Count and display through /proc/fs/fscache/stats the number of initialised operations. Signed-off-by: David Howells --- Documentation/filesystems/caching/fscache.txt | 3 ++- fs/fscache/internal.h | 1 + fs/fscache/operation.c | 1 + fs/fscache/stats.c | 4 +++- 4 files changed, 7 insertions(+), 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/Documentation/filesystems/caching/fscache.txt b/Documentation/filesystems/caching/fscache.txt index 66fa7fbccfa4..50f0a5757f48 100644 --- a/Documentation/filesystems/caching/fscache.txt +++ b/Documentation/filesystems/caching/fscache.txt @@ -284,8 +284,9 @@ proc files. enq=N Number of times async ops queued for processing can=N Number of async ops cancelled rej=N Number of async ops rejected due to object lookup/create failure + ini=N Number of async ops initialised dfr=N Number of async ops queued for deferred release - rel=N Number of async ops released + rel=N Number of async ops released (should equal ini=N when idle) gc=N Number of deferred-release async ops garbage collected CacheOp alo=N Number of in-progress alloc_object() cache ops luo=N Number of in-progress lookup_object() cache ops diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h index 87c4544ec912..a63225116db6 100644 --- a/fs/fscache/internal.h +++ b/fs/fscache/internal.h @@ -165,6 +165,7 @@ extern atomic_t fscache_n_op_pend; extern atomic_t fscache_n_op_run; extern atomic_t fscache_n_op_enqueue; extern atomic_t fscache_n_op_deferred_release; +extern atomic_t fscache_n_op_initialised; extern atomic_t fscache_n_op_release; extern atomic_t fscache_n_op_gc; extern atomic_t fscache_n_op_cancelled; diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c index 61a6e78b85fa..9761df4fc2ab 100644 --- a/fs/fscache/operation.c +++ b/fs/fscache/operation.c @@ -39,6 +39,7 @@ void fscache_operation_init(struct fscache_operation *op, op->processor = processor; op->release = release; INIT_LIST_HEAD(&op->pend_link); + fscache_stat(&fscache_n_op_initialised); } EXPORT_SYMBOL(fscache_operation_init); diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c index 3a722e8f2307..7cfa0aacdf6d 100644 --- a/fs/fscache/stats.c +++ b/fs/fscache/stats.c @@ -23,6 +23,7 @@ atomic_t fscache_n_op_run; atomic_t fscache_n_op_enqueue; atomic_t fscache_n_op_requeue; atomic_t fscache_n_op_deferred_release; +atomic_t fscache_n_op_initialised; atomic_t fscache_n_op_release; atomic_t fscache_n_op_gc; atomic_t fscache_n_op_cancelled; @@ -251,7 +252,8 @@ static int fscache_stats_show(struct seq_file *m, void *v) atomic_read(&fscache_n_op_enqueue), atomic_read(&fscache_n_op_cancelled), atomic_read(&fscache_n_op_rejected)); - seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n", + seq_printf(m, "Ops : ini=%u dfr=%u rel=%u gc=%u\n", + atomic_read(&fscache_n_op_initialised), atomic_read(&fscache_n_op_deferred_release), atomic_read(&fscache_n_op_release), atomic_read(&fscache_n_op_gc));