You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-07 - 06:55
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackcslot3.osadl.org (updated Tue Apr 07, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81900rcu_preempt6921-21ssh23:17:111
81780rcu_preempt10498-21ssh23:25:211
81770rcu_preempt20585-21sh23:45:041
81770rcu_preempt19-21ksoftirqd/121:21:561
81760rcu_preempt19-21ksoftirqd/100:25:161
81760rcu_preempt0-21swapper/122:26:421
81750rcu_preempt19-21ksoftirqd/123:25:001
81750rcu_preempt19-21ksoftirqd/122:47:011
81750rcu_preempt19-21ksoftirqd/122:03:331
81750rcu_preempt0-21swapper/122:15:331
81750rcu_preempt0-21swapper/100:00:291
81740rcu_preempt0-21swapper/119:20:191
81720rcu_preempt28821-1kworker/1:1H21:59:261
81710rcu_preempt6932-21diskmemload23:35:021
81710rcu_preempt0-21swapper/120:30:351
81710rcu_preempt0-21swapper/119:50:331
81710rcu_preempt0-21swapper/023:25:370
81700rcu_preempt16553-21ssh21:31:280
81700rcu_preempt0-21swapper/022:11:320
81700rcu_preempt0-21swapper/022:05:100
81700rcu_preempt0-21swapper/000:19:250
81690rcu_preempt16439-21ntpq23:35:321
81690rcu_preempt0-21swapper/100:40:271
81680rcu_preempt6932-21diskmemload00:22:500
81670rcu_preempt5963-21df_abs21:10:251
81670rcu_preempt377-21if_can023:05:270
81670rcu_preempt19-21ksoftirqd/122:41:571
81670rcu_preempt16463-21ntp_states23:35:320
147950670irq/31-eth0-tx-7800-21/usr/sbin/munin19:10:330
81660rcu_preempt22885-21latency_hist20:10:101
81660rcu_preempt19-21ksoftirqd/122:23:221
81660rcu_preempt19-21ksoftirqd/122:12:411
81650rcu_preempt17695-21latency_hist21:35:101
81640rcu_preempt19-21ksoftirqd/122:38:111
81640rcu_preempt14182-21munin-run22:30:090
81640rcu_preempt0-21swapper/119:14:461
81630rcu_preempt11659-21ssh00:30:230
81630rcu_preempt0-21swapper/022:55:210
81630rcu_preempt0-21swapper/022:07:590
81630rcu_preempt0-21swapper/021:28:260
81630rcu_preempt0-21swapper/021:05:280
81630rcu_preempt0-21swapper/020:10:340
81630rcu_preempt0-21swapper/020:10:340
81620rcu_preempt7246-21grep21:15:231
81620rcu_preempt19-21ksoftirqd/121:45:181
81620rcu_preempt1714-21if_err_can100:10:281
81620rcu_preempt0-21swapper/022:35:070
81620rcu_preempt0-21swapper/019:15:210
81610rcu_preempt0-21swapper/020:35:210
81610rcu_preempt0-21swapper/000:40:340
81610rcu_preempt0-21swapper/000:05:350
147950610irq/31-eth0-tx-41ktimersoftd/022:15:260
81600rcu_preempt31422-21mailstats20:40:330
81600rcu_preempt25600-21ssh22:50:340
81600rcu_preempt25600-21ssh22:50:340
81600rcu_preempt0-21swapper/022:20:240
81600rcu_preempt0-21swapper/021:48:310
81600rcu_preempt0-21swapper/021:37:470
81600rcu_preempt0-21swapper/021:37:470
81600rcu_preempt0-21swapper/020:20:290
81600rcu_preempt0-21swapper/000:10:310
81600rcu_preempt0-21swapper/000:03:240
81590rcu_preempt24746-21ssh23:51:090
81590rcu_preempt0-21swapper/000:00:040
89850580irq/17-ehci_hcd945-21usb-storage00:17:591
81580rcu_preempt24173-21ssh22:48:570
81580rcu_preempt19-21ksoftirqd/123:47:331
81580rcu_preempt0-21swapper/023:45:220
81570rcu_preempt8762-21ssh21:17:030
81570rcu_preempt30264-21ssh21:58:110
81570rcu_preempt0-21swapper/023:02:340
81570rcu_preempt0-21swapper/022:35:290
89850560irq/17-ehci_hcd945-21usb-storage00:06:181
81560rcu_preempt8975-21ssh00:25:160
81560rcu_preempt6518-21ssh23:15:470
81560rcu_preempt19-21ksoftirqd/121:35:101
81560rcu_preempt19-21ksoftirqd/121:35:101
81560rcu_preempt0-21swapper/023:42:040
81560rcu_preempt0-21swapper/023:10:560
81560rcu_preempt0-21swapper/021:42:340
81560rcu_preempt0-21swapper/020:45:270
81560rcu_preempt0-21swapper/019:55:250
81560rcu_preempt0-21swapper/019:50:270
81560rcu_preempt0-21swapper/019:40:330
81560rcu_preempt0-21swapper/000:38:290
81550rcu_preempt12761-21/usr/sbin/munin19:30:090
81550rcu_preempt10141-21df_abs21:20:250
81550rcu_preempt0-21swapper/023:21:410
81550rcu_preempt0-21swapper/019:45:290
81550rcu_preempt0-21swapper/019:35:290
89850540irq/17-ehci_hcd945-21usb-storage22:09:361
89850540irq/17-ehci_hcd945-21usb-storage00:23:001
81540rcu_preempt27667-21ssh21:53:310
81540rcu_preempt21209-21ssh22:42:500
81540rcu_preempt19-21ksoftirqd/100:40:091
81540rcu_preempt0-21swapper/019:30:270
147650540irq/28-eth0-rx-0-21swapper/119:55:221
89850530irq/17-ehci_hcd0-21swapper/123:06:571
81530rcu_preempt0-21swapper/023:32:290
81530rcu_preempt0-21swapper/019:20:300
8961995248cyclictest945-21usb-storage20:13:041
8961995248cyclictest945-21usb-storage20:13:041
81520rcu_preempt23643-21sh23:50:231
81520rcu_preempt22495-21ps20:05:330
81520rcu_preempt0-21swapper/021:11:450
81520rcu_preempt0-21swapper/020:55:460
81510rcu_preempt0-21swapper/020:03:430
81510rcu_preempt0-21swapper/020:03:430
147950510irq/31-eth0-tx-0-21swapper/121:50:151
147650510irq/28-eth0-rx-0-21swapper/120:40:101
8961995047cyclictest945-21usb-storage20:45:421
8961995046cyclictest945-21usb-storage19:32:571
81500rcu_preempt19-21ksoftirqd/122:59:031
81500rcu_preempt0-21swapper/020:15:220
147950500irq/31-eth0-tx-0-21swapper/123:55:531
81480rcu_preempt22540-21ssh21:43:471
81480rcu_preempt0-21swapper/120:56:331
81480rcu_preempt0-21swapper/021:00:580
147950480irq/31-eth0-tx-0-21swapper/121:29:441
147650470irq/28-eth0-rx-0-21swapper/119:45:201
8961994643cyclictest945-21usb-storage20:37:431
81450rcu_preempt19-21ksoftirqd/123:03:091
147850450irq/30-eth0-tx-3429-21ssh23:10:321
147650450irq/28-eth0-rx-0-21swapper/119:35:201
89850440irq/17-ehci_hcd0-21swapper/122:33:191
89850430irq/17-ehci_hcd945-21usb-storage20:20:321
147650430irq/28-eth0-rx-0-21swapper/120:54:481
147650430irq/28-eth0-rx-0-21swapper/119:27:101
147950420irq/31-eth0-tx-27305-21cat20:25:301
147650420irq/28-eth0-rx-0-21swapper/121:03:421
81410rcu_preempt28756-21ntpq20:30:310
147650410irq/28-eth0-rx-0-21swapper/122:54:401
147650410irq/28-eth0-rx-0-21swapper/122:54:401
147650410irq/28-eth0-rx-0-21swapper/121:05:161
147650410irq/28-eth0-rx-0-21swapper/100:31:101
8961993936cyclictest181ktimersoftd/120:17:231
147950380irq/31-eth0-tx-0-21swapper/119:40:361
81360rcu_preempt7644-21kworker/1:219:15:271
147950350irq/31-eth0-tx-0-21swapper/120:04:221
147950350irq/31-eth0-tx-0-21swapper/120:04:221
81340rcu_preempt3-21ksoftirqd/020:26:530
81290rcu_preempt3-21ksoftirqd/020:50:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional