diff mbox series

[v2] ceph: send dentry lease metrics to MDS daemon

Message ID 20201106043021.966064-1-xiubli@redhat.com
State New
Headers show
Series [v2] ceph: send dentry lease metrics to MDS daemon | expand

Commit Message

Xiubo Li Nov. 6, 2020, 4:30 a.m. UTC
From: Xiubo Li <xiubli@redhat.com>

For the old ceph version, if it received this one metric message
containing the dentry lease metric info, it will just ignore it.

URL: https://tracker.ceph.com/issues/43423
Signed-off-by: Xiubo Li <xiubli@redhat.com>
---
 fs/ceph/metric.c | 18 +++++++++++++++---
 fs/ceph/metric.h | 14 ++++++++++++++
 2 files changed, 29 insertions(+), 3 deletions(-)

Comments

Jeff Layton Nov. 6, 2020, 2:24 p.m. UTC | #1
On Thu, 2020-11-05 at 23:30 -0500, xiubli@redhat.com wrote:
> From: Xiubo Li <xiubli@redhat.com>

> 

> For the old ceph version, if it received this one metric message

> containing the dentry lease metric info, it will just ignore it.

> 

> URL: https://tracker.ceph.com/issues/43423

> Signed-off-by: Xiubo Li <xiubli@redhat.com>

> ---

>  fs/ceph/metric.c | 18 +++++++++++++++---

>  fs/ceph/metric.h | 14 ++++++++++++++

>  2 files changed, 29 insertions(+), 3 deletions(-)

> 

> diff --git a/fs/ceph/metric.c b/fs/ceph/metric.c

> index fee4c4778313..5ec94bd4c1de 100644

> --- a/fs/ceph/metric.c

> +++ b/fs/ceph/metric.c

> @@ -16,6 +16,7 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,

>  	struct ceph_metric_read_latency *read;

>  	struct ceph_metric_write_latency *write;

>  	struct ceph_metric_metadata_latency *meta;

> +	struct ceph_metric_dlease *dlease;

>  	struct ceph_client_metric *m = &mdsc->metric;

>  	u64 nr_caps = atomic64_read(&m->total_caps);

>  	struct ceph_msg *msg;

> @@ -25,7 +26,7 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,

>  	s32 len;

>  

> 

>  	len = sizeof(*head) + sizeof(*cap) + sizeof(*read) + sizeof(*write)

> -	      + sizeof(*meta);

> +	      + sizeof(*meta) + sizeof(*dlease);

>  

> 

>  	msg = ceph_msg_new(CEPH_MSG_CLIENT_METRICS, len, GFP_NOFS, true);

>  	if (!msg) {

> @@ -42,8 +43,8 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,

>  	cap->ver = 1;

>  	cap->compat = 1;

>  	cap->data_len = cpu_to_le32(sizeof(*cap) - 10);

> -	cap->hit = cpu_to_le64(percpu_counter_sum(&mdsc->metric.i_caps_hit));

> -	cap->mis = cpu_to_le64(percpu_counter_sum(&mdsc->metric.i_caps_mis));

> +	cap->hit = cpu_to_le64(percpu_counter_sum(&m->i_caps_hit));

> +	cap->mis = cpu_to_le64(percpu_counter_sum(&m->i_caps_mis));

>  	cap->total = cpu_to_le64(nr_caps);

>  	items++;

>  

> 

> @@ -83,6 +84,17 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,

>  	meta->nsec = cpu_to_le32(ts.tv_nsec);

>  	items++;

>  

> 

> +	/* encode the dentry lease metric */

> +	dlease = (struct ceph_metric_dlease *)(meta + 1);

> +	dlease->type = cpu_to_le32(CLIENT_METRIC_TYPE_DENTRY_LEASE);

> +	dlease->ver = 1;

> +	dlease->compat = 1;

> +	dlease->data_len = cpu_to_le32(sizeof(*dlease) - 10);

> +	dlease->hit = cpu_to_le64(percpu_counter_sum(&m->d_lease_hit));

> +	dlease->mis = cpu_to_le64(percpu_counter_sum(&m->d_lease_mis));

> +	dlease->total = cpu_to_le64(atomic64_read(&m->total_dentries));

> +	items++;

> +

>  	put_unaligned_le32(items, &head->num);

>  	msg->front.iov_len = len;

>  	msg->hdr.version = cpu_to_le16(1);

> diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h

> index 710f3f1dceab..af6038ff39d4 100644

> --- a/fs/ceph/metric.h

> +++ b/fs/ceph/metric.h

> @@ -27,6 +27,7 @@ enum ceph_metric_type {

>  	CLIENT_METRIC_TYPE_READ_LATENCY,	\

>  	CLIENT_METRIC_TYPE_WRITE_LATENCY,	\

>  	CLIENT_METRIC_TYPE_METADATA_LATENCY,	\

> +	CLIENT_METRIC_TYPE_DENTRY_LEASE,	\

>  						\

>  	CLIENT_METRIC_TYPE_MAX,			\

>  }

> @@ -80,6 +81,19 @@ struct ceph_metric_metadata_latency {

>  	__le32 nsec;

>  } __packed;

>  

> 

> +/* metric dentry lease header */

> +struct ceph_metric_dlease {

> +	__le32 type;     /* ceph metric type */

> +

> +	__u8  ver;

> +	__u8  compat;

> +

> +	__le32 data_len; /* length of sizeof(hit + mis + total) */

> +	__le64 hit;

> +	__le64 mis;

> +	__le64 total;

> +} __packed;

> +

>  struct ceph_metric_head {

>  	__le32 num;	/* the number of metrics that will be sent */

>  } __packed;


Thanks Xiubo,

Merged into testing branch and should make v5.11.
-- 
Jeff Layton <jlayton@kernel.org>
Xiubo Li Nov. 7, 2020, 12:55 a.m. UTC | #2
On 2020/11/6 22:24, Jeff Layton wrote:
> On Thu, 2020-11-05 at 23:30 -0500, xiubli@redhat.com wrote:

>> From: Xiubo Li <xiubli@redhat.com>

>>

>> For the old ceph version, if it received this one metric message

>> containing the dentry lease metric info, it will just ignore it.

>>

>> URL: https://tracker.ceph.com/issues/43423

>> Signed-off-by: Xiubo Li <xiubli@redhat.com>

>> ---

>>   fs/ceph/metric.c | 18 +++++++++++++++---

>>   fs/ceph/metric.h | 14 ++++++++++++++

>>   2 files changed, 29 insertions(+), 3 deletions(-)

>>

>> diff --git a/fs/ceph/metric.c b/fs/ceph/metric.c

>> index fee4c4778313..5ec94bd4c1de 100644

>> --- a/fs/ceph/metric.c

>> +++ b/fs/ceph/metric.c

>> @@ -16,6 +16,7 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,

>>   	struct ceph_metric_read_latency *read;

>>   	struct ceph_metric_write_latency *write;

>>   	struct ceph_metric_metadata_latency *meta;

>> +	struct ceph_metric_dlease *dlease;

>>   	struct ceph_client_metric *m = &mdsc->metric;

>>   	u64 nr_caps = atomic64_read(&m->total_caps);

>>   	struct ceph_msg *msg;

>> @@ -25,7 +26,7 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,

>>   	s32 len;

>>   

>>

>>   	len = sizeof(*head) + sizeof(*cap) + sizeof(*read) + sizeof(*write)

>> -	      + sizeof(*meta);

>> +	      + sizeof(*meta) + sizeof(*dlease);

>>   

>>

>>   	msg = ceph_msg_new(CEPH_MSG_CLIENT_METRICS, len, GFP_NOFS, true);

>>   	if (!msg) {

>> @@ -42,8 +43,8 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,

>>   	cap->ver = 1;

>>   	cap->compat = 1;

>>   	cap->data_len = cpu_to_le32(sizeof(*cap) - 10);

>> -	cap->hit = cpu_to_le64(percpu_counter_sum(&mdsc->metric.i_caps_hit));

>> -	cap->mis = cpu_to_le64(percpu_counter_sum(&mdsc->metric.i_caps_mis));

>> +	cap->hit = cpu_to_le64(percpu_counter_sum(&m->i_caps_hit));

>> +	cap->mis = cpu_to_le64(percpu_counter_sum(&m->i_caps_mis));

>>   	cap->total = cpu_to_le64(nr_caps);

>>   	items++;

>>   

>>

>> @@ -83,6 +84,17 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,

>>   	meta->nsec = cpu_to_le32(ts.tv_nsec);

>>   	items++;

>>   

>>

>> +	/* encode the dentry lease metric */

>> +	dlease = (struct ceph_metric_dlease *)(meta + 1);

>> +	dlease->type = cpu_to_le32(CLIENT_METRIC_TYPE_DENTRY_LEASE);

>> +	dlease->ver = 1;

>> +	dlease->compat = 1;

>> +	dlease->data_len = cpu_to_le32(sizeof(*dlease) - 10);

>> +	dlease->hit = cpu_to_le64(percpu_counter_sum(&m->d_lease_hit));

>> +	dlease->mis = cpu_to_le64(percpu_counter_sum(&m->d_lease_mis));

>> +	dlease->total = cpu_to_le64(atomic64_read(&m->total_dentries));

>> +	items++;

>> +

>>   	put_unaligned_le32(items, &head->num);

>>   	msg->front.iov_len = len;

>>   	msg->hdr.version = cpu_to_le16(1);

>> diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h

>> index 710f3f1dceab..af6038ff39d4 100644

>> --- a/fs/ceph/metric.h

>> +++ b/fs/ceph/metric.h

>> @@ -27,6 +27,7 @@ enum ceph_metric_type {

>>   	CLIENT_METRIC_TYPE_READ_LATENCY,	\

>>   	CLIENT_METRIC_TYPE_WRITE_LATENCY,	\

>>   	CLIENT_METRIC_TYPE_METADATA_LATENCY,	\

>> +	CLIENT_METRIC_TYPE_DENTRY_LEASE,	\

>>   						\

>>   	CLIENT_METRIC_TYPE_MAX,			\

>>   }

>> @@ -80,6 +81,19 @@ struct ceph_metric_metadata_latency {

>>   	__le32 nsec;

>>   } __packed;

>>   

>>

>> +/* metric dentry lease header */

>> +struct ceph_metric_dlease {

>> +	__le32 type;     /* ceph metric type */

>> +

>> +	__u8  ver;

>> +	__u8  compat;

>> +

>> +	__le32 data_len; /* length of sizeof(hit + mis + total) */

>> +	__le64 hit;

>> +	__le64 mis;

>> +	__le64 total;

>> +} __packed;

>> +

>>   struct ceph_metric_head {

>>   	__le32 num;	/* the number of metrics that will be sent */

>>   } __packed;

> Thanks Xiubo,

>

> Merged into testing branch and should make v5.11.


Thanks Jeff :-)

BRs
diff mbox series

Patch

diff --git a/fs/ceph/metric.c b/fs/ceph/metric.c
index fee4c4778313..5ec94bd4c1de 100644
--- a/fs/ceph/metric.c
+++ b/fs/ceph/metric.c
@@ -16,6 +16,7 @@  static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,
 	struct ceph_metric_read_latency *read;
 	struct ceph_metric_write_latency *write;
 	struct ceph_metric_metadata_latency *meta;
+	struct ceph_metric_dlease *dlease;
 	struct ceph_client_metric *m = &mdsc->metric;
 	u64 nr_caps = atomic64_read(&m->total_caps);
 	struct ceph_msg *msg;
@@ -25,7 +26,7 @@  static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,
 	s32 len;
 
 	len = sizeof(*head) + sizeof(*cap) + sizeof(*read) + sizeof(*write)
-	      + sizeof(*meta);
+	      + sizeof(*meta) + sizeof(*dlease);
 
 	msg = ceph_msg_new(CEPH_MSG_CLIENT_METRICS, len, GFP_NOFS, true);
 	if (!msg) {
@@ -42,8 +43,8 @@  static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,
 	cap->ver = 1;
 	cap->compat = 1;
 	cap->data_len = cpu_to_le32(sizeof(*cap) - 10);
-	cap->hit = cpu_to_le64(percpu_counter_sum(&mdsc->metric.i_caps_hit));
-	cap->mis = cpu_to_le64(percpu_counter_sum(&mdsc->metric.i_caps_mis));
+	cap->hit = cpu_to_le64(percpu_counter_sum(&m->i_caps_hit));
+	cap->mis = cpu_to_le64(percpu_counter_sum(&m->i_caps_mis));
 	cap->total = cpu_to_le64(nr_caps);
 	items++;
 
@@ -83,6 +84,17 @@  static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc,
 	meta->nsec = cpu_to_le32(ts.tv_nsec);
 	items++;
 
+	/* encode the dentry lease metric */
+	dlease = (struct ceph_metric_dlease *)(meta + 1);
+	dlease->type = cpu_to_le32(CLIENT_METRIC_TYPE_DENTRY_LEASE);
+	dlease->ver = 1;
+	dlease->compat = 1;
+	dlease->data_len = cpu_to_le32(sizeof(*dlease) - 10);
+	dlease->hit = cpu_to_le64(percpu_counter_sum(&m->d_lease_hit));
+	dlease->mis = cpu_to_le64(percpu_counter_sum(&m->d_lease_mis));
+	dlease->total = cpu_to_le64(atomic64_read(&m->total_dentries));
+	items++;
+
 	put_unaligned_le32(items, &head->num);
 	msg->front.iov_len = len;
 	msg->hdr.version = cpu_to_le16(1);
diff --git a/fs/ceph/metric.h b/fs/ceph/metric.h
index 710f3f1dceab..af6038ff39d4 100644
--- a/fs/ceph/metric.h
+++ b/fs/ceph/metric.h
@@ -27,6 +27,7 @@  enum ceph_metric_type {
 	CLIENT_METRIC_TYPE_READ_LATENCY,	\
 	CLIENT_METRIC_TYPE_WRITE_LATENCY,	\
 	CLIENT_METRIC_TYPE_METADATA_LATENCY,	\
+	CLIENT_METRIC_TYPE_DENTRY_LEASE,	\
 						\
 	CLIENT_METRIC_TYPE_MAX,			\
 }
@@ -80,6 +81,19 @@  struct ceph_metric_metadata_latency {
 	__le32 nsec;
 } __packed;
 
+/* metric dentry lease header */
+struct ceph_metric_dlease {
+	__le32 type;     /* ceph metric type */
+
+	__u8  ver;
+	__u8  compat;
+
+	__le32 data_len; /* length of sizeof(hit + mis + total) */
+	__le64 hit;
+	__le64 mis;
+	__le64 total;
+} __packed;
+
 struct ceph_metric_head {
 	__le32 num;	/* the number of metrics that will be sent */
 } __packed;