Hello, I’ve been setting up monitoring for our Jenkins using Prometheus and Grafana but sometimes I notice that our agents go offline for a bit and then I can see in the /computer (Nodes) page that the response time is several seconds for many agents and it is this value I would like to monitor in Grafana. Is there a way to do that or would I have to add it myself? How would I go about adding it myself?
Thank you for your time 
Jenkins setup:
Jenkins: 2.516
OS: Linux - 6.8.0-62-generic
Java: 21.0.7 - Eclipse Adoptium (OpenJDK 64-Bit Server VM)
Office-365-Connector:5.2.0
PrioritySorter:863.v4a_b_974a_5d042
ant:518.v8d8dc7945eca_
antisamy-markup-formatter:173.v680e3a_b_69ff3
apache-httpcomponents-client-4-api:4.5.14-269.vfa_2321039a_83
apache-httpcomponents-client-5-api:5.5-166.v870a_96374f91
asm-api:9.8-163.vb_2a_96d3f9c3c
authentication-tokens:1.144.v5ff4a_5ec5c33
azure-ad:603.ve543a_9f77895
azure-sdk:243.v4a_0d23a_c71a_7
blueocean:1.27.21
blueocean-bitbucket-pipeline:1.27.21
blueocean-commons:1.27.21
blueocean-config:1.27.21
blueocean-core-js:1.27.21
blueocean-dashboard:1.27.21
blueocean-display-url:2.4.4
blueocean-events:1.27.21
blueocean-git-pipeline:1.27.21
blueocean-github-pipeline:1.27.21
blueocean-i18n:1.27.21
blueocean-jwt:1.27.21
blueocean-personalization:1.27.21
blueocean-pipeline-api-impl:1.27.21
blueocean-pipeline-editor:1.27.21
blueocean-pipeline-scm-api:1.27.21
blueocean-rest:1.27.21
blueocean-rest-impl:1.27.21
blueocean-web:1.27.21
bootstrap5-api:5.3.7-860.v1251c115c90c
bouncycastle-api:2.30.1.81-264.v95c79c0e772c
branch-api:2.1244.vf95c81f1641c
build-timeout:1.38
caffeine-api:3.2.2-178.v353b_8428ed56
checks-api:373.vfe7645102093
cloudbees-bitbucket-branch-source:936.4.4
cloudbees-folder:6.1037.v4cb_8573b_72a_a_
command-launcher:123.v37cfdc92ef67
commons-collections4-api:4.5.0-8.va_d5448ef9011
commons-compress-api:1.28.0-1
commons-httpclient3-api:3.1-3
commons-lang3-api:3.18.0-98.v3a_674c06072d
commons-text-api:1.14.0-194.v804a_dc3a_1b_d8
coverage:2.2912.v3dea_6a_4a_73f7
credentials:1419.v2337d1ceceef
credentials-binding:702.vfe613e537e88
dark-theme:574.va_19f05d54df5
data-tables-api:2.3.3-1383.va_5607a_a_3f3c2
display-url-api:2.217.va_6b_de84cc74b_
docker-commons:457.v0f62a_94f11a_3
docker-workflow:621.va_73f881d9232
durable-task:595.ve87b_f1318d67
echarts-api:6.0.0-1146.v5c8f3b_8f0573
eddsa-api:0.3.0.1-19.vc432d923e5ee
email-ext:1925.v1598902b_58dd
favorite:2.237.v79163ca_8b_892
font-awesome-api:7.0.0-851.vd1feb_218a_a_63
forensics-api:3.1754.v2a_6613b_77002
git:5.7.0
git-client:6.3.2
github:1.44.0
github-api:1.321-488.v9b_c0da_9533f8
github-branch-source:1848.v42f74f7f4500
github-checks:634.v371dc6d978a_3
gradle:2.16.1149.v711b_998b_0532
gson-api:2.13.1-153.vb_3d0c48a_a_b_4a_
handy-uri-templates-2-api:2.1.8-36.v85e4cb_234a_13
htmlpublisher:427
http_request:1.20
instance-identity:203.v15e81a_1b_7a_38
ionicons-api:94.vcc3065403257
jackson2-api:2.19.2-408.v18248a_324cfe
jakarta-activation-api:2.1.3-2
jakarta-mail-api:2.1.3-3
javax-activation-api:1.2.0-8
javax-mail-api:1.6.2-11
jaxb:2.3.9-133.vb_ec76a_73f706
jdk-tool:83.v417146707a_3d
jenkins-design-language:1.27.21
jersey2-api:2.47-165.ve7809a_3e87e0
jira:3.19
jjwt-api:0.11.5-120.v0268cf544b_89
joda-time-api:2.14.0-149.v1c3ce991d1b_9
jquery3-api:3.7.1-594.vb_3864f326cf0
jsch:0.2.16-95.v3eecb_55fa_b_78
json-api:20250517-173.v596efb_962a_31
json-path-api:2.9.0-190.veefca_05d5477
jsoup:1.21.2-66.v6ea_38164b_8a_2
junit:1335.v6b_a_a_e18534e1
ldap:780.vcb_33c9a_e4332
mailer:522.va_995fa_cfb_8b_d
markdown-formatter:292.vf6975a_44502a_
matrix-auth:3.2.8
matrix-project:856.v4c352b_3a_b_23e
metrics:4.2.33-484.v2fcd689980d1
mina-sshd-api-common:2.16.0-167.va_269f38cc024
mina-sshd-api-core:2.16.0-167.va_269f38cc024
miniorange-saml-sp:2.4.7
netty-api:4.1.118.Final-9.v776038d601a_7
okhttp-api:4.11.0-189.v976fa_d3379d6
pam-auth:1.12
parameterized-scheduler:285.ve611986d4c48
pipeline-agent-build-history:100.v42603a_8d8477
pipeline-build-step:571.v08a_fffd4b_0ce
pipeline-github-lib:65.v203688e7727e
pipeline-graph-analysis:241.vc3d48fb_b_2582
pipeline-graph-view:628.va_6f6a_1d12848
pipeline-groovy-lib:752.vdddedf804e72
pipeline-input-step:534.v352f0a_e98918
pipeline-milestone-step:138.v78ca_76831a_43
pipeline-model-api:2.2265.v140e610fe9d5
pipeline-model-definition:2.2265.v140e610fe9d5
pipeline-model-extensions:2.2265.v140e610fe9d5
pipeline-rest-api:2.38
pipeline-stage-step:322.vecffa_99f371c
pipeline-stage-tags-metadata:2.2265.v140e610fe9d5
pipeline-stage-view:2.38
pipeline-utility-steps:2.19.0
plain-credentials:199.v9f8e1f741799
plasticscm-plugin:4.4
plugin-util-api:6.1167.v022176c7e0ca_
prism-api:1.30.0-609.vf0a_df102d9a_f
prometheus:819.v50953a_c560dd
pubsub-light:1.19
resource-disposer:0.25
scm-api:707.v749f968369d4
script-security:1378.vf25626395f49
snakeyaml-api:2.3-125.v4d77857a_b_402
sse-gateway:1.28
ssh-credentials:361.vb_f6760818e8c
ssh-slaves:3.1071.v0d059c7b_c555
ssh-steps:2.0.79.v1d1b_5f76dda_8
sshd:3.374.v19b_d59ce6610
structs:353.v261ea_40a_80fb_
theme-manager:319.v9193461f9671
thinBackup:2.1.3
timestamper:1.30
token-macro:477.vd4f0dc3cb_cf1
trilead-api:2.209.v0e69b_c43c245
uno-choice:2.8.8
variant:70.va_d9f17f859e0
workflow-aggregator:608.v67378e9d3db_1
workflow-api:1384.vdc05a_48f535f
workflow-basic-steps:1079.vce64b_a_929c5a_
workflow-cps:4183.v94b_6fd39da_c1
workflow-durable-task-step:1452.v0ee719c104a_7
workflow-job:1540.v295eccc9778f
workflow-multibranch:811.vcd33d074c2a_0
workflow-scm-step:437.v05a_f66b_e5ef8
workflow-step-api:706.v518c5dcb_24c0
workflow-support:976.vb_d9493c2eb_09
ws-cleanup:0.49