diff options
author | Haochen Tong <hexchain@users.noreply.github.com> | 2019-12-02 22:04:50 +0100 |
---|---|---|
committer | thiagoftsm <thiagoftsm@gmail.com> | 2019-12-02 21:04:50 +0000 |
commit | 8a70725c132deb6fc313edcdccaea756a685fc49 (patch) | |
tree | ed4c52d299be95ede4ee23970bd7edc777a27c0d /web | |
parent | 998470b66b3309b77db9b64d20a83e7aec8185be (diff) |
proc.plugin: add pressure stall information (#7209)
* proc.plugin: add pressure stall information
* dashboard_info: add "Pressure" section
* proc.plugin: mention PSI collector in doc
* dashboard_info: fix grammar in PSI section
* proc_pressure: fix wrong line name for "full" metrics
* proc_pressure: fix copypasta
* proc_pressure: refactor to prepare for cgroup changes
* cgroups.plugin: add pressure monitoring
* add proc_pressure.h to targets
* Makefile.am: fix indentation
* cgroups.plugin: remove a useless comment
* cgroups.plugin: fix pressure config name
* proc.plugin: arrange pressure charts under corresponding sections
* dashboard_info: rearrange pressure chart descriptions
* dashboard_info: reword PSI descriptions
Diffstat (limited to 'web')
-rw-r--r-- | web/gui/dashboard_info.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/web/gui/dashboard_info.js b/web/gui/dashboard_info.js index cb5c9f7bcf..b0cbc9a05c 100644 --- a/web/gui/dashboard_info.js +++ b/web/gui/dashboard_info.js @@ -718,6 +718,31 @@ netdataDashboard.context = { height: 0.7 }, + 'system.cpu_pressure': { + info: '<a href="https://www.kernel.org/doc/html/latest/accounting/psi.html">Pressure Stall Information</a> ' + + 'identifies and quantifies the disruptions caused by resource contentions. ' + + 'The "some" line indicates the share of time in which at least <b>some</b> tasks are stalled on CPU. ' + + 'The ratios (in %) are tracked as recent trends over 10-, 60-, and 300-second windows.' + }, + + 'system.memory_some_pressure': { + info: '<a href="https://www.kernel.org/doc/html/latest/accounting/psi.html">Pressure Stall Information</a> ' + + 'identifies and quantifies the disruptions caused by resource contentions. ' + + 'The "some" line indicates the share of time in which at least <b>some</b> tasks are stalled on memory. ' + + 'The "full" line indicates the share of time in which <b>all non-idle</b> tasks are stalled on memory simultaneously. ' + + 'In this state actual CPU cycles are going to waste, and a workload that spends extended time in this state is considered to be thrashing. ' + + 'The ratios (in %) are tracked as recent trends over 10-, 60-, and 300-second windows.' + }, + + 'system.io_some_pressure': { + info: '<a href="https://www.kernel.org/doc/html/latest/accounting/psi.html">Pressure Stall Information</a> ' + + 'identifies and quantifies the disruptions caused by resource contentions. ' + + 'The "some" line indicates the share of time in which at least <b>some</b> tasks are stalled on I/O. ' + + 'The "full" line indicates the share of time in which <b>all non-idle</b> tasks are stalled on I/O simultaneously. ' + + 'In this state actual CPU cycles are going to waste, and a workload that spends extended time in this state is considered to be thrashing. ' + + 'The ratios (in %) are tracked as recent trends over 10-, 60-, and 300-second windows.' + }, + 'system.io': { info: function (os) { var s = 'Total Disk I/O, for all physical disks. You can get detailed information about each disk at the <a href="#menu_disk">Disks</a> section and per application Disk usage at the <a href="#menu_apps">Applications Monitoring</a> section.'; |