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authorLuís Henriques <lhenriques@suse.de>2021-11-04 12:31:47 +0000
committerIlya Dryomov <idryomov@gmail.com>2021-11-08 03:29:52 +0100
commitc02cb7bdc4501debc3e71a4d2daf7286c48e1d38 (patch)
tree662e8a26150a6ca3f9edefb009eaf1a1b484f31d /fs/ceph
parentaca39d9e86f3edeaac5d2c467f5fd31e0b0df606 (diff)
ceph: add a new metric to keep track of remote object copies
This patch adds latency and size metrics for remote object copies operations ("copyfrom"). For now, these metrics will be available on the client only, they won't be sent to the MDS. Signed-off-by: Luís Henriques <lhenriques@suse.de> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/debugfs.c3
-rw-r--r--fs/ceph/file.c4
-rw-r--r--fs/ceph/metric.h8
3 files changed, 14 insertions, 1 deletions
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index e04ae1098431..3cf7c9c1085b 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -167,7 +167,8 @@ static int metrics_file_show(struct seq_file *s, void *p)
static const char * const metric_str[] = {
"read",
"write",
- "metadata"
+ "metadata",
+ "copyfrom"
};
static int metrics_latency_show(struct seq_file *s, void *p)
{
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 6c77f203e7b5..220a41831b46 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2304,6 +2304,10 @@ static ssize_t ceph_do_objects_copy(struct ceph_inode_info *src_ci, u64 *src_off
else {
ceph_osdc_start_request(osdc, req, false);
ret = ceph_osdc_wait_request(osdc, req);
+ ceph_update_copyfrom_metrics(&fsc->mdsc->metric,
+ req->r_start_latency,
+ req->r_end_latency,
+ object_size, ret);
ceph_osdc_put_request(req);
}
if (ret) {
diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h
index e67fc997760b..bb45608181e7 100644
--- a/fs/ceph/metric.h
+++ b/fs/ceph/metric.h
@@ -129,6 +129,7 @@ enum metric_type {
METRIC_READ,
METRIC_WRITE,
METRIC_METADATA,
+ METRIC_COPYFROM,
METRIC_MAX
};
@@ -214,4 +215,11 @@ static inline void ceph_update_metadata_metrics(struct ceph_client_metric *m,
ceph_update_metrics(&m->metric[METRIC_METADATA],
r_start, r_end, 0, rc);
}
+static inline void ceph_update_copyfrom_metrics(struct ceph_client_metric *m,
+ ktime_t r_start, ktime_t r_end,
+ unsigned int size, int rc)
+{
+ ceph_update_metrics(&m->metric[METRIC_COPYFROM],
+ r_start, r_end, size, rc);
+}
#endif /* _FS_CEPH_MDS_METRIC_H */