mirror of
https://github.com/prometheus/node_exporter.git
synced 2025-08-20 18:33:52 -07:00
Merge 9c880a85a1 into be19d537cd
This commit is contained in:
mmolisch
GitHub
commit
b61b0ca989
|
|
@ -194,6 +194,7 @@ devstat | Exposes device statistics | Dragonfly, FreeBSD
|
|||
drm | Expose GPU metrics using sysfs / DRM, `amdgpu` is the only driver which exposes this information through DRM | Linux
|
||||
drbd | Exposes Distributed Replicated Block Device statistics (to version 8.4) | Linux
|
||||
ethtool | Exposes network interface information and network driver statistics equivalent to `ethtool`, `ethtool -S`, and `ethtool -i`. | Linux
|
||||
fscache | Exposes FS-Cache statistics from `/proc/fs/fscache/stats`. | Linux
|
||||
interrupts | Exposes detailed interrupts statistics. | Linux, OpenBSD
|
||||
ksmd | Exposes kernel and system statistics from `/sys/kernel/mm/ksm`. | Linux
|
||||
lnstat | Exposes stats from `/proc/net/stat/`. | Linux
|
||||
|
|
|
|||
|
|
@ -829,6 +829,69 @@ node_filefd_maximum 1.631329e+06
|
|||
# HELP node_forks_total Total number of forks.
|
||||
# TYPE node_forks_total counter
|
||||
node_forks_total 26442
|
||||
# HELP node_fscache_acquire_attempts_total Number of acquire operations attempted (Acquire: n=attempts).
|
||||
# TYPE node_fscache_acquire_attempts_total counter
|
||||
node_fscache_acquire_attempts_total 31998
|
||||
# HELP node_fscache_acquire_success_total Number of acquire operations successful (Acquire: ok=success).
|
||||
# TYPE node_fscache_acquire_success_total counter
|
||||
node_fscache_acquire_success_total 31986
|
||||
# HELP node_fscache_allocations_success_total Number of successful allocation operations (Allocs: ok=success).
|
||||
# TYPE node_fscache_allocations_success_total counter
|
||||
node_fscache_allocations_success_total 0
|
||||
# HELP node_fscache_allocations_total Number of allocation operations attempted (Allocs: n=attempts).
|
||||
# TYPE node_fscache_allocations_total counter
|
||||
node_fscache_allocations_total 0
|
||||
# HELP node_fscache_attribute_changes_success_total Number of successful attribute change operations (AttrChg: ok=success).
|
||||
# TYPE node_fscache_attribute_changes_success_total counter
|
||||
node_fscache_attribute_changes_success_total 0
|
||||
# HELP node_fscache_attribute_changes_total Number of attribute change operations attempted (AttrChg: n=attempts).
|
||||
# TYPE node_fscache_attribute_changes_total counter
|
||||
node_fscache_attribute_changes_total 0
|
||||
# HELP node_fscache_invalidations_total Number of invalidation operations (Invals: n=tot).
|
||||
# TYPE node_fscache_invalidations_total counter
|
||||
node_fscache_invalidations_total 409
|
||||
# HELP node_fscache_lookups_negative_total Number of negative lookup operations (Lookups: neg=negative).
|
||||
# TYPE node_fscache_lookups_negative_total counter
|
||||
node_fscache_lookups_negative_total 0
|
||||
# HELP node_fscache_lookups_positive_total Number of positive lookup operations (Lookups: pos=positive).
|
||||
# TYPE node_fscache_lookups_positive_total counter
|
||||
node_fscache_lookups_positive_total 0
|
||||
# HELP node_fscache_lookups_total Number of lookup operations (Lookups: n=tot).
|
||||
# TYPE node_fscache_lookups_total counter
|
||||
node_fscache_lookups_total 0
|
||||
# HELP node_fscache_objects_allocated_total Number of index cookies allocated (Cookies: idx=allocated/available/unused).
|
||||
# TYPE node_fscache_objects_allocated_total counter
|
||||
node_fscache_objects_allocated_total 16
|
||||
# HELP node_fscache_objects_available_total Number of index cookies available (Cookies: idx=allocated/available/unused).
|
||||
# TYPE node_fscache_objects_available_total counter
|
||||
node_fscache_objects_available_total 0
|
||||
# HELP node_fscache_objects_culled_total Number of objects culled (CacheEv: cul=culled).
|
||||
# TYPE node_fscache_objects_culled_total counter
|
||||
node_fscache_objects_culled_total 0
|
||||
# HELP node_fscache_objects_retired_total Number of objects retired (CacheEv: rtr=retired).
|
||||
# TYPE node_fscache_objects_retired_total counter
|
||||
node_fscache_objects_retired_total 0
|
||||
# HELP node_fscache_relinquishes_total Number of relinquish operations (Relinqs: n=tot).
|
||||
# TYPE node_fscache_relinquishes_total counter
|
||||
node_fscache_relinquishes_total 31939
|
||||
# HELP node_fscache_retrievals_nobuffer_total Number of retrieval (read) operations failed due to no buffer (Retrvls: nbf=nobuff).
|
||||
# TYPE node_fscache_retrievals_nobuffer_total counter
|
||||
node_fscache_retrievals_nobuffer_total 2.551742e+06
|
||||
# HELP node_fscache_retrievals_success_total Number of successful retrieval (read) operations (Retrvls: ok=success).
|
||||
# TYPE node_fscache_retrievals_success_total counter
|
||||
node_fscache_retrievals_success_total 0
|
||||
# HELP node_fscache_retrievals_total Number of retrieval (read) operations attempted (Retrvls: n=attempts).
|
||||
# TYPE node_fscache_retrievals_total counter
|
||||
node_fscache_retrievals_total 2.551742e+06
|
||||
# HELP node_fscache_stores_success_total Number of successful store (write) operations (Stores: ok=success).
|
||||
# TYPE node_fscache_stores_success_total counter
|
||||
node_fscache_stores_success_total 0
|
||||
# HELP node_fscache_stores_total Number of store (write) operations attempted (Stores: n=attempts).
|
||||
# TYPE node_fscache_stores_total counter
|
||||
node_fscache_stores_total 0
|
||||
# HELP node_fscache_updates_total Number of update operations (Updates: n=tot).
|
||||
# TYPE node_fscache_updates_total counter
|
||||
node_fscache_updates_total 0
|
||||
# HELP node_hwmon_chip_names Annotation metric for human-readable chip names
|
||||
# TYPE node_hwmon_chip_names gauge
|
||||
node_hwmon_chip_names{chip="nct6779",chip_name="nct6779"} 1
|
||||
|
|
@ -2993,6 +3056,7 @@ node_scrape_collector_success{collector="edac"} 1
|
|||
node_scrape_collector_success{collector="entropy"} 1
|
||||
node_scrape_collector_success{collector="fibrechannel"} 1
|
||||
node_scrape_collector_success{collector="filefd"} 1
|
||||
node_scrape_collector_success{collector="fscache"} 1
|
||||
node_scrape_collector_success{collector="hwmon"} 1
|
||||
node_scrape_collector_success{collector="infiniband"} 1
|
||||
node_scrape_collector_success{collector="interrupts"} 1
|
||||
|
|
|
|||
|
|
@ -851,6 +851,69 @@ node_filefd_maximum 1.631329e+06
|
|||
# HELP node_forks_total Total number of forks.
|
||||
# TYPE node_forks_total counter
|
||||
node_forks_total 26442
|
||||
# HELP node_fscache_acquire_attempts_total Number of acquire operations attempted (Acquire: n=attempts).
|
||||
# TYPE node_fscache_acquire_attempts_total counter
|
||||
node_fscache_acquire_attempts_total 31998
|
||||
# HELP node_fscache_acquire_success_total Number of acquire operations successful (Acquire: ok=success).
|
||||
# TYPE node_fscache_acquire_success_total counter
|
||||
node_fscache_acquire_success_total 31986
|
||||
# HELP node_fscache_allocations_success_total Number of successful allocation operations (Allocs: ok=success).
|
||||
# TYPE node_fscache_allocations_success_total counter
|
||||
node_fscache_allocations_success_total 0
|
||||
# HELP node_fscache_allocations_total Number of allocation operations attempted (Allocs: n=attempts).
|
||||
# TYPE node_fscache_allocations_total counter
|
||||
node_fscache_allocations_total 0
|
||||
# HELP node_fscache_attribute_changes_success_total Number of successful attribute change operations (AttrChg: ok=success).
|
||||
# TYPE node_fscache_attribute_changes_success_total counter
|
||||
node_fscache_attribute_changes_success_total 0
|
||||
# HELP node_fscache_attribute_changes_total Number of attribute change operations attempted (AttrChg: n=attempts).
|
||||
# TYPE node_fscache_attribute_changes_total counter
|
||||
node_fscache_attribute_changes_total 0
|
||||
# HELP node_fscache_invalidations_total Number of invalidation operations (Invals: n=tot).
|
||||
# TYPE node_fscache_invalidations_total counter
|
||||
node_fscache_invalidations_total 409
|
||||
# HELP node_fscache_lookups_negative_total Number of negative lookup operations (Lookups: neg=negative).
|
||||
# TYPE node_fscache_lookups_negative_total counter
|
||||
node_fscache_lookups_negative_total 0
|
||||
# HELP node_fscache_lookups_positive_total Number of positive lookup operations (Lookups: pos=positive).
|
||||
# TYPE node_fscache_lookups_positive_total counter
|
||||
node_fscache_lookups_positive_total 0
|
||||
# HELP node_fscache_lookups_total Number of lookup operations (Lookups: n=tot).
|
||||
# TYPE node_fscache_lookups_total counter
|
||||
node_fscache_lookups_total 0
|
||||
# HELP node_fscache_objects_allocated_total Number of index cookies allocated (Cookies: idx=allocated/available/unused).
|
||||
# TYPE node_fscache_objects_allocated_total counter
|
||||
node_fscache_objects_allocated_total 16
|
||||
# HELP node_fscache_objects_available_total Number of index cookies available (Cookies: idx=allocated/available/unused).
|
||||
# TYPE node_fscache_objects_available_total counter
|
||||
node_fscache_objects_available_total 0
|
||||
# HELP node_fscache_objects_culled_total Number of objects culled (CacheEv: cul=culled).
|
||||
# TYPE node_fscache_objects_culled_total counter
|
||||
node_fscache_objects_culled_total 0
|
||||
# HELP node_fscache_objects_retired_total Number of objects retired (CacheEv: rtr=retired).
|
||||
# TYPE node_fscache_objects_retired_total counter
|
||||
node_fscache_objects_retired_total 0
|
||||
# HELP node_fscache_relinquishes_total Number of relinquish operations (Relinqs: n=tot).
|
||||
# TYPE node_fscache_relinquishes_total counter
|
||||
node_fscache_relinquishes_total 31939
|
||||
# HELP node_fscache_retrievals_nobuffer_total Number of retrieval (read) operations failed due to no buffer (Retrvls: nbf=nobuff).
|
||||
# TYPE node_fscache_retrievals_nobuffer_total counter
|
||||
node_fscache_retrievals_nobuffer_total 2.551742e+06
|
||||
# HELP node_fscache_retrievals_success_total Number of successful retrieval (read) operations (Retrvls: ok=success).
|
||||
# TYPE node_fscache_retrievals_success_total counter
|
||||
node_fscache_retrievals_success_total 0
|
||||
# HELP node_fscache_retrievals_total Number of retrieval (read) operations attempted (Retrvls: n=attempts).
|
||||
# TYPE node_fscache_retrievals_total counter
|
||||
node_fscache_retrievals_total 2.551742e+06
|
||||
# HELP node_fscache_stores_success_total Number of successful store (write) operations (Stores: ok=success).
|
||||
# TYPE node_fscache_stores_success_total counter
|
||||
node_fscache_stores_success_total 0
|
||||
# HELP node_fscache_stores_total Number of store (write) operations attempted (Stores: n=attempts).
|
||||
# TYPE node_fscache_stores_total counter
|
||||
node_fscache_stores_total 0
|
||||
# HELP node_fscache_updates_total Number of update operations (Updates: n=tot).
|
||||
# TYPE node_fscache_updates_total counter
|
||||
node_fscache_updates_total 0
|
||||
# HELP node_hwmon_chip_names Annotation metric for human-readable chip names
|
||||
# TYPE node_hwmon_chip_names gauge
|
||||
node_hwmon_chip_names{chip="nct6779",chip_name="nct6779"} 1
|
||||
|
|
@ -3015,6 +3078,7 @@ node_scrape_collector_success{collector="edac"} 1
|
|||
node_scrape_collector_success{collector="entropy"} 1
|
||||
node_scrape_collector_success{collector="fibrechannel"} 1
|
||||
node_scrape_collector_success{collector="filefd"} 1
|
||||
node_scrape_collector_success{collector="fscache"} 1
|
||||
node_scrape_collector_success{collector="hwmon"} 1
|
||||
node_scrape_collector_success{collector="infiniband"} 1
|
||||
node_scrape_collector_success{collector="interrupts"} 1
|
||||
|
|
|
|||
29
collector/fixtures/proc/fs/fscache/stats
Normal file
29
collector/fixtures/proc/fs/fscache/stats
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
FS-Cache statistics
|
||||
Cookies: idx=16 dat=31970 spc=0
|
||||
Objects: alc=0 nal=0 avl=0 ded=0
|
||||
ChkAux : non=0 ok=0 upd=0 obs=0
|
||||
Pages : mrk=0 unc=0
|
||||
Acquire: n=31998 nul=0 noc=0 ok=31986 nbf=0 oom=0
|
||||
Lookups: n=0 neg=0 pos=0 crt=0 tmo=0
|
||||
Invals : n=409 run=0
|
||||
Updates: n=0 nul=0 run=0
|
||||
Relinqs: n=31939 nul=0 wcr=0 rtr=0
|
||||
AttrChg: n=0 ok=0 nbf=0 oom=0 run=0
|
||||
Allocs : n=0 ok=0 wt=0 nbf=0 int=0
|
||||
Allocs : ops=0 owt=0 abt=0
|
||||
Retrvls: n=2551742 ok=0 wt=0 nod=0 nbf=2551742 int=0 oom=0
|
||||
Retrvls: ops=0 owt=0 abt=0
|
||||
Stores : n=0 ok=0 agn=0 nbf=0 oom=0
|
||||
Stores : ops=0 run=0 pgs=0 rxd=0 olm=0
|
||||
VmScan : nos=0 gon=0 bsy=0 can=0 wt=0
|
||||
Ops : pend=0 run=0 enq=0 can=0 rej=0
|
||||
Ops : ini=0 dfr=0 rel=0 gc=0
|
||||
CacheOp: alo=0 luo=0 luc=0 gro=0
|
||||
CacheOp: inv=0 upo=0 dro=0 pto=0 atc=0 syn=0
|
||||
CacheOp: rap=0 ras=0 alp=0 als=0 wrp=0 ucp=0 dsp=0
|
||||
CacheEv: nsp=0 stl=0 rtr=0 cul=0
|
||||
RdHelp : RA=0 RP=0 WB=0 WBZ=0 rr=0 sr=0
|
||||
RdHelp : ZR=0 sh=0 sk=0
|
||||
RdHelp : DL=0 ds=0 df=0 di=0
|
||||
RdHelp : RD=0 rs=0 rf=0
|
||||
RdHelp : WR=0 ws=0 wf=0
|
||||
264
collector/fscache_linux.go
Normal file
264
collector/fscache_linux.go
Normal file
|
|
@ -0,0 +1,264 @@
|
|||
// Copyright 2024 The Prometheus Authors
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
//go:build !nofscache
|
||||
// +build !nofscache
|
||||
|
||||
package collector
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"log/slog"
|
||||
"os"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"github.com/prometheus/procfs"
|
||||
)
|
||||
|
||||
const (
|
||||
fscacheSubsystem = "fscache"
|
||||
)
|
||||
|
||||
type fscacheCollector struct {
|
||||
// Metrics
|
||||
objectsAllocated *prometheus.Desc
|
||||
objectsAvailable *prometheus.Desc
|
||||
|
||||
acquireAttempts *prometheus.Desc
|
||||
acquireSuccess *prometheus.Desc
|
||||
|
||||
lookupsTotal *prometheus.Desc
|
||||
lookupsPositive *prometheus.Desc
|
||||
lookupsNegative *prometheus.Desc
|
||||
|
||||
invalidationsTotal *prometheus.Desc
|
||||
|
||||
updatesTotal *prometheus.Desc
|
||||
|
||||
relinquishesTotal *prometheus.Desc
|
||||
|
||||
attributeChangesTotal *prometheus.Desc
|
||||
attributeChangesSuccess *prometheus.Desc
|
||||
|
||||
allocationsTotal *prometheus.Desc
|
||||
allocationsSuccess *prometheus.Desc
|
||||
|
||||
retrievalsTotal *prometheus.Desc
|
||||
retrievalsSuccess *prometheus.Desc
|
||||
retrievalsNoBuffer *prometheus.Desc
|
||||
|
||||
storesTotal *prometheus.Desc
|
||||
storesSuccess *prometheus.Desc
|
||||
|
||||
cacheEventRetired *prometheus.Desc
|
||||
cacheEventCulled *prometheus.Desc
|
||||
|
||||
fs procfs.FS
|
||||
logger *slog.Logger
|
||||
}
|
||||
|
||||
var _ prometheus.Collector = (*fscacheCollector)(nil)
|
||||
|
||||
func init() {
|
||||
registerCollector("fscache", defaultEnabled, func(logger *slog.Logger) (Collector, error) {
|
||||
return NewFscacheCollector(logger)
|
||||
})
|
||||
}
|
||||
|
||||
// NewFscacheCollector returns a new Collector exposing fscache stats.
|
||||
func NewFscacheCollector(logger *slog.Logger) (*fscacheCollector, error) {
|
||||
fs, err := procfs.NewFS(*procPath)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to open procfs: %w", err)
|
||||
}
|
||||
|
||||
return &fscacheCollector{
|
||||
objectsAllocated: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "objects_allocated_total"),
|
||||
"Number of index cookies allocated (Cookies: idx=allocated/available/unused).",
|
||||
nil, nil,
|
||||
),
|
||||
objectsAvailable: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "objects_available_total"),
|
||||
"Number of index cookies available (Cookies: idx=allocated/available/unused).",
|
||||
nil, nil,
|
||||
),
|
||||
acquireAttempts: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "acquire_attempts_total"),
|
||||
"Number of acquire operations attempted (Acquire: n=attempts).",
|
||||
nil, nil,
|
||||
),
|
||||
acquireSuccess: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "acquire_success_total"),
|
||||
"Number of acquire operations successful (Acquire: ok=success).",
|
||||
nil, nil,
|
||||
),
|
||||
lookupsTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "lookups_total"),
|
||||
"Number of lookup operations (Lookups: n=tot).",
|
||||
nil, nil,
|
||||
),
|
||||
lookupsPositive: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "lookups_positive_total"),
|
||||
"Number of positive lookup operations (Lookups: pos=positive).",
|
||||
nil, nil,
|
||||
),
|
||||
lookupsNegative: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "lookups_negative_total"),
|
||||
"Number of negative lookup operations (Lookups: neg=negative).",
|
||||
nil, nil,
|
||||
),
|
||||
invalidationsTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "invalidations_total"),
|
||||
"Number of invalidation operations (Invals: n=tot).",
|
||||
nil, nil,
|
||||
),
|
||||
updatesTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "updates_total"),
|
||||
"Number of update operations (Updates: n=tot).",
|
||||
nil, nil,
|
||||
),
|
||||
relinquishesTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "relinquishes_total"),
|
||||
"Number of relinquish operations (Relinqs: n=tot).",
|
||||
nil, nil,
|
||||
),
|
||||
attributeChangesTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "attribute_changes_total"),
|
||||
"Number of attribute change operations attempted (AttrChg: n=attempts).",
|
||||
nil, nil,
|
||||
),
|
||||
attributeChangesSuccess: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "attribute_changes_success_total"),
|
||||
"Number of successful attribute change operations (AttrChg: ok=success).",
|
||||
nil, nil,
|
||||
),
|
||||
allocationsTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "allocations_total"),
|
||||
"Number of allocation operations attempted (Allocs: n=attempts).",
|
||||
nil, nil,
|
||||
),
|
||||
allocationsSuccess: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "allocations_success_total"),
|
||||
"Number of successful allocation operations (Allocs: ok=success).",
|
||||
nil, nil,
|
||||
),
|
||||
retrievalsTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "retrievals_total"),
|
||||
"Number of retrieval (read) operations attempted (Retrvls: n=attempts).",
|
||||
nil, nil,
|
||||
),
|
||||
retrievalsSuccess: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "retrievals_success_total"),
|
||||
"Number of successful retrieval (read) operations (Retrvls: ok=success).",
|
||||
nil, nil,
|
||||
),
|
||||
retrievalsNoBuffer: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "retrievals_nobuffer_total"),
|
||||
"Number of retrieval (read) operations failed due to no buffer (Retrvls: nbf=nobuff).",
|
||||
nil, nil,
|
||||
),
|
||||
storesTotal: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "stores_total"),
|
||||
"Number of store (write) operations attempted (Stores: n=attempts).",
|
||||
nil, nil,
|
||||
),
|
||||
storesSuccess: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "stores_success_total"),
|
||||
"Number of successful store (write) operations (Stores: ok=success).",
|
||||
nil, nil,
|
||||
),
|
||||
cacheEventRetired: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "objects_retired_total"),
|
||||
"Number of objects retired (CacheEv: rtr=retired).",
|
||||
nil, nil,
|
||||
),
|
||||
cacheEventCulled: prometheus.NewDesc(
|
||||
prometheus.BuildFQName(namespace, fscacheSubsystem, "objects_culled_total"),
|
||||
"Number of objects culled (CacheEv: cul=culled).",
|
||||
nil, nil,
|
||||
),
|
||||
fs: fs,
|
||||
logger: logger,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// Describe implements prometheus.Collector.
|
||||
func (c *fscacheCollector) Describe(ch chan<- *prometheus.Desc) {
|
||||
ch <- c.objectsAllocated
|
||||
ch <- c.objectsAvailable
|
||||
ch <- c.acquireAttempts
|
||||
ch <- c.acquireSuccess
|
||||
ch <- c.lookupsTotal
|
||||
ch <- c.lookupsPositive
|
||||
ch <- c.lookupsNegative
|
||||
ch <- c.invalidationsTotal
|
||||
ch <- c.updatesTotal
|
||||
ch <- c.relinquishesTotal
|
||||
ch <- c.attributeChangesTotal
|
||||
ch <- c.attributeChangesSuccess
|
||||
ch <- c.allocationsTotal
|
||||
ch <- c.allocationsSuccess
|
||||
ch <- c.retrievalsTotal
|
||||
ch <- c.retrievalsSuccess
|
||||
ch <- c.retrievalsNoBuffer
|
||||
ch <- c.storesTotal
|
||||
ch <- c.storesSuccess
|
||||
ch <- c.cacheEventRetired
|
||||
ch <- c.cacheEventCulled
|
||||
}
|
||||
|
||||
// Collect implements prometheus.Collector.
|
||||
func (c *fscacheCollector) Collect(ch chan<- prometheus.Metric) {
|
||||
// Let the collector helper handle scrape success/failure based on Update's error.
|
||||
if err := c.Update(ch); err != nil {
|
||||
// Optionally log the error, but don't send invalid metrics here.
|
||||
c.logger.Error("Error updating fscache stats", "err", err)
|
||||
}
|
||||
}
|
||||
|
||||
// Update gathers metrics from the fscache subsystem.
|
||||
func (c *fscacheCollector) Update(ch chan<- prometheus.Metric) error {
|
||||
stats, err := c.fs.Fscacheinfo()
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) {
|
||||
c.logger.Debug("Not collecting fscache statistics, as /proc/fs/fscache/stats is not available", "err", err)
|
||||
return ErrNoData
|
||||
}
|
||||
return fmt.Errorf("could not get fscache stats: %w", err)
|
||||
}
|
||||
|
||||
ch <- prometheus.MustNewConstMetric(c.objectsAllocated, prometheus.CounterValue, float64(stats.IndexCookiesAllocated))
|
||||
ch <- prometheus.MustNewConstMetric(c.objectsAvailable, prometheus.CounterValue, float64(stats.ObjectsAvailable))
|
||||
ch <- prometheus.MustNewConstMetric(c.acquireAttempts, prometheus.CounterValue, float64(stats.AcquireCookiesRequestSeen))
|
||||
ch <- prometheus.MustNewConstMetric(c.acquireSuccess, prometheus.CounterValue, float64(stats.AcquireRequestsSucceeded))
|
||||
ch <- prometheus.MustNewConstMetric(c.lookupsTotal, prometheus.CounterValue, float64(stats.LookupsNumber))
|
||||
ch <- prometheus.MustNewConstMetric(c.lookupsPositive, prometheus.CounterValue, float64(stats.LookupsPositive))
|
||||
ch <- prometheus.MustNewConstMetric(c.lookupsNegative, prometheus.CounterValue, float64(stats.LookupsNegative))
|
||||
ch <- prometheus.MustNewConstMetric(c.invalidationsTotal, prometheus.CounterValue, float64(stats.InvalidationsNumber))
|
||||
ch <- prometheus.MustNewConstMetric(c.updatesTotal, prometheus.CounterValue, float64(stats.UpdateCookieRequestSeen))
|
||||
ch <- prometheus.MustNewConstMetric(c.relinquishesTotal, prometheus.CounterValue, float64(stats.RelinquishCookiesRequestSeen))
|
||||
ch <- prometheus.MustNewConstMetric(c.attributeChangesTotal, prometheus.CounterValue, float64(stats.AttributeChangedRequestsSeen))
|
||||
ch <- prometheus.MustNewConstMetric(c.attributeChangesSuccess, prometheus.CounterValue, float64(stats.AttributeChangedOps))
|
||||
ch <- prometheus.MustNewConstMetric(c.allocationsTotal, prometheus.CounterValue, float64(stats.AllocationRequestsSeen))
|
||||
ch <- prometheus.MustNewConstMetric(c.allocationsSuccess, prometheus.CounterValue, float64(stats.AllocationOkRequests))
|
||||
ch <- prometheus.MustNewConstMetric(c.retrievalsTotal, prometheus.CounterValue, float64(stats.RetrievalsReadRequests))
|
||||
ch <- prometheus.MustNewConstMetric(c.retrievalsSuccess, prometheus.CounterValue, float64(stats.RetrievalsOk))
|
||||
ch <- prometheus.MustNewConstMetric(c.retrievalsNoBuffer, prometheus.CounterValue, float64(stats.RetrievalsRejectedDueToEnobufs))
|
||||
ch <- prometheus.MustNewConstMetric(c.storesTotal, prometheus.CounterValue, float64(stats.StoreWriteRequests))
|
||||
ch <- prometheus.MustNewConstMetric(c.storesSuccess, prometheus.CounterValue, float64(stats.StoreSuccessfulRequests))
|
||||
ch <- prometheus.MustNewConstMetric(c.cacheEventRetired, prometheus.CounterValue, float64(stats.CacheevRetiredWhenReliquished))
|
||||
ch <- prometheus.MustNewConstMetric(c.cacheEventCulled, prometheus.CounterValue, float64(stats.CacheevObjectsCulled))
|
||||
|
||||
return nil
|
||||
}
|
||||
131
collector/fscache_linux_test.go
Normal file
131
collector/fscache_linux_test.go
Normal file
|
|
@ -0,0 +1,131 @@
|
|||
// Copyright 2024 The Prometheus Authors
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
//go:build !nofscache
|
||||
// +build !nofscache
|
||||
|
||||
package collector
|
||||
|
||||
import (
|
||||
"io"
|
||||
"log/slog"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/alecthomas/kingpin/v2"
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"github.com/prometheus/client_golang/prometheus/testutil"
|
||||
)
|
||||
|
||||
func TestFscacheStats(t *testing.T) {
|
||||
testcases := []struct {
|
||||
name string
|
||||
procPath string
|
||||
expected string
|
||||
err error
|
||||
}{
|
||||
{
|
||||
name: "stats format",
|
||||
procPath: "fixtures/proc",
|
||||
expected: `
|
||||
# HELP node_fscache_acquire_attempts_total Number of acquire operations attempted (Acquire: n=attempts).
|
||||
# TYPE node_fscache_acquire_attempts_total counter
|
||||
node_fscache_acquire_attempts_total 31998
|
||||
# HELP node_fscache_acquire_success_total Number of acquire operations successful (Acquire: ok=success).
|
||||
# TYPE node_fscache_acquire_success_total counter
|
||||
node_fscache_acquire_success_total 31986
|
||||
# HELP node_fscache_allocations_success_total Number of successful allocation operations (Allocs: ok=success).
|
||||
# TYPE node_fscache_allocations_success_total counter
|
||||
node_fscache_allocations_success_total 0
|
||||
# HELP node_fscache_allocations_total Number of allocation operations attempted (Allocs: n=attempts).
|
||||
# TYPE node_fscache_allocations_total counter
|
||||
node_fscache_allocations_total 0
|
||||
# HELP node_fscache_attribute_changes_success_total Number of successful attribute change operations (AttrChg: ok=success).
|
||||
# TYPE node_fscache_attribute_changes_success_total counter
|
||||
node_fscache_attribute_changes_success_total 0
|
||||
# HELP node_fscache_attribute_changes_total Number of attribute change operations attempted (AttrChg: n=attempts).
|
||||
# TYPE node_fscache_attribute_changes_total counter
|
||||
node_fscache_attribute_changes_total 0
|
||||
# HELP node_fscache_invalidations_total Number of invalidation operations (Invals: n=tot).
|
||||
# TYPE node_fscache_invalidations_total counter
|
||||
node_fscache_invalidations_total 409
|
||||
# HELP node_fscache_lookups_negative_total Number of negative lookup operations (Lookups: neg=negative).
|
||||
# TYPE node_fscache_lookups_negative_total counter
|
||||
node_fscache_lookups_negative_total 0
|
||||
# HELP node_fscache_lookups_positive_total Number of positive lookup operations (Lookups: pos=positive).
|
||||
# TYPE node_fscache_lookups_positive_total counter
|
||||
node_fscache_lookups_positive_total 0
|
||||
# HELP node_fscache_lookups_total Number of lookup operations (Lookups: n=tot).
|
||||
# TYPE node_fscache_lookups_total counter
|
||||
node_fscache_lookups_total 0
|
||||
# HELP node_fscache_objects_allocated_total Number of index cookies allocated (Cookies: idx=allocated/available/unused).
|
||||
# TYPE node_fscache_objects_allocated_total counter
|
||||
node_fscache_objects_allocated_total 16
|
||||
# HELP node_fscache_objects_available_total Number of index cookies available (Cookies: idx=allocated/available/unused).
|
||||
# TYPE node_fscache_objects_available_total counter
|
||||
node_fscache_objects_available_total 0
|
||||
# HELP node_fscache_objects_culled_total Number of objects culled (CacheEv: cul=culled).
|
||||
# TYPE node_fscache_objects_culled_total counter
|
||||
node_fscache_objects_culled_total 0
|
||||
# HELP node_fscache_objects_retired_total Number of objects retired (CacheEv: rtr=retired).
|
||||
# TYPE node_fscache_objects_retired_total counter
|
||||
node_fscache_objects_retired_total 0
|
||||
# HELP node_fscache_relinquishes_total Number of relinquish operations (Relinqs: n=tot).
|
||||
# TYPE node_fscache_relinquishes_total counter
|
||||
node_fscache_relinquishes_total 31939
|
||||
# HELP node_fscache_retrievals_nobuffer_total Number of retrieval (read) operations failed due to no buffer (Retrvls: nbf=nobuff).
|
||||
# TYPE node_fscache_retrievals_nobuffer_total counter
|
||||
node_fscache_retrievals_nobuffer_total 2551742
|
||||
# HELP node_fscache_retrievals_success_total Number of successful retrieval (read) operations (Retrvls: ok=success).
|
||||
# TYPE node_fscache_retrievals_success_total counter
|
||||
node_fscache_retrievals_success_total 0
|
||||
# HELP node_fscache_retrievals_total Number of retrieval (read) operations attempted (Retrvls: n=attempts).
|
||||
# TYPE node_fscache_retrievals_total counter
|
||||
node_fscache_retrievals_total 2551742
|
||||
# HELP node_fscache_stores_success_total Number of successful store (write) operations (Stores: ok=success).
|
||||
# TYPE node_fscache_stores_success_total counter
|
||||
node_fscache_stores_success_total 0
|
||||
# HELP node_fscache_stores_total Number of store (write) operations attempted (Stores: n=attempts).
|
||||
# TYPE node_fscache_stores_total counter
|
||||
node_fscache_stores_total 0
|
||||
# HELP node_fscache_updates_total Number of update operations (Updates: n=tot).
|
||||
# TYPE node_fscache_updates_total counter
|
||||
node_fscache_updates_total 0
|
||||
`,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tc := range testcases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
if _, err := kingpin.CommandLine.Parse([]string{"--path.procfs", tc.procPath}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// Create collector
|
||||
collector, err := NewFscacheCollector(slog.New(slog.NewTextHandler(io.Discard, nil)))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// Register collector
|
||||
registry := prometheus.NewRegistry()
|
||||
registry.MustRegister(collector)
|
||||
|
||||
// Compare metrics
|
||||
err = testutil.GatherAndCompare(registry, strings.NewReader(tc.expected))
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
@ -52,6 +52,7 @@ enabled_collectors=$(cat << COLLECTORS
|
|||
entropy
|
||||
fibrechannel
|
||||
filefd
|
||||
fscache
|
||||
hwmon
|
||||
infiniband
|
||||
interrupts
|
||||
|
|
@ -322,7 +323,7 @@ sleep 1
|
|||
get "127.0.0.1:${port}/metrics" | grep --text -E -v "${skip_re}" > "${generated_metrics}"
|
||||
|
||||
# The following ignore-list is only applicable to the VMs used to run E2E tests on platforms for which containerized environments are not available.
|
||||
# However, owing to this, there are some non-deterministic metrics that end up generating samples, unlike their containerized counterparts, for e.g., node_network_receive_bytes_total.
|
||||
# However, owing to this, there are some non-deterministic metrics that end up generating samples, unlike their containerized counterparts, for e.g., node_network_receive_bytes_total.
|
||||
non_deterministic_metrics=$(cat << METRICS
|
||||
node_boot_time_seconds
|
||||
node_cpu_frequency_hertz
|
||||
|
|
|
|||
Loading…
Reference in a new issue