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2021-10-22 - 03:28

VIA Samuel 2, Linux 3.18.9-rt4 (Profile)

Latency plot of system in rack #3, slot #7
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p98 -i200 -h1000 -q
Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rack3slot7.osadl.org (updated Fri Oct 22, 2021 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/027564-21kworker/0:118:57:220
14991310watchdog/026523-21unixbench_singl23:17:340
14991280watchdog/07806-21latency00:02:420
14991270watchdog/021613-21munin-node23:02:500
14991270watchdog/018751-21munin-node22:52:220
14991260watchdog/029785-21seq21:40:180
14991260watchdog/019814-21df21:07:300
14991260watchdog/019352-21chrt21:05:340
14991240watchdog/01249-21runrttasks20:04:340
14991230watchdog/014882-21missed_timers22:37:420
14991220watchdog/03792-21chrt23:50:260
14991190watchdog/03353-21runrttasks20:27:420
14991190watchdog/017003-21latency_hist22:47:060
14991180watchdog/028643-21nfs_client19:47:340
14991180watchdog/028033-21chrt21:33:060
14991180watchdog/013325-21hostname00:22:300
14991180watchdog/010363-21aten_r3power_vo00:12:380
21800211412sleep021819-21munin-node21:12:460
14991130watchdog/05488-21runrttasks23:57:020
14991120watchdog/08928-21aten_r3power_en22:17:420
14991120watchdog/023973-21cpu19:32:300
14991120watchdog/01531-21open_files23:42:300
14991110watchdog/015081-21nfs_client00:27:420
14991080watchdog/024601-21nfs_client21:22:340
14991080watchdog/0212232sleep022:59:580
14991070watchdog/028065-21nfs_client23:22:420
14991070watchdog/011699-21needreboot22:27:340
807501020irq/14-ide04869-21df20:17:270
807501020irq/14-ide032073-21munin-node23:37:360
2420501020irq/11-eth022909-21munin-node19:27:420
807501010irq/14-ide030729-21df23:32:270
2420501000irq/11-eth03833-21runrttasks20:12:400
242050970irq/11-eth013034-21runrttasks22:32:320
80750920irq/14-ide09519-21df_inode20:32:310
14490988812cyclictest29768-21latency23:27:420
14490988512cyclictest24533-21latency_hist23:12:080
242050840irq/11-eth017914-21aten_r3power_po22:47:470
1499840watchdog/029821-21awk19:52:260
14490988313cyclictest6715-21nfs_client20:22:350
14490988212cyclictest4905-21chrt22:05:550
14490988113cyclictest25623-21runrttasks19:37:330
14490988112cyclictest6542-21runrttasks23:58:240
14490988111cyclictest18183-21nfs_client19:12:360
242050800irq/11-eth08655-21aten_r3power_cu00:07:210
1499800watchdog/02996-21aten_r3power_po21:58:020
14490988013cyclictest30287-21df21:42:350
14490988013cyclictest23120-21nfs_client21:17:370
14490988012cyclictest31826-21df21:47:340
1499790watchdog/06905-21uptime22:12:300
1499790watchdog/012941-21runrttasks00:21:580
14490987913cyclictest31352-21df19:57:320
14490987913cyclictest20019-21aten_r3power_po19:17:430
14490987912cyclictest27009-21latency_hist21:32:080
14490987912cyclictest10478-21cstates22:22:470
1499780watchdog/024613-21munin-node23:12:180
14490987813cyclictest20975-21ntpq19:22:320
14490987813cyclictest16680-21nfs_client19:07:390
14490987724cyclictest27429-21aten_r3power_en19:42:420
14490987713cyclictest13630-21latency_hist20:47:080
14490987713cyclictest13148-21runrttasks20:43:460
14490987712cyclictest10937-21aten_r3power_vo20:37:300
1499760watchdog/014717-21basename19:02:140
14490987613cyclictest15508-21df_inode20:52:320
14490987612cyclictest890-21aten_r3power_vo21:52:280
14490987612cyclictest6040-21runrttasks22:07:580
14490987612cyclictest2775-21runrttasks20:09:470
14490987513cyclictest17860-21runrttasks21:00:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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