You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-19 - 12:33
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 376 highest latencies:
System rackcslot3.osadl.org (updated Sun Apr 19, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81890rcu_preempt0-21swapper/100:34:331
81880rcu_preempt26115-21apache221:56:131
81860rcu_preempt19-21ksoftirqd/121:47:271
81790rcu_preempt0-21swapper/123:36:331
81760rcu_preempt19-21ksoftirqd/100:29:301
81750rcu_preempt8894-21munin-run19:55:421
81740rcu_preempt0-21swapper/019:11:060
81730rcu_preempt16408-21uptime23:56:091
147650730irq/28-eth0-rx-0-21swapper/119:10:441
89850720irq/17-ehci_hcd24954-21ssh22:08:361
81720rcu_preempt32631-21/usr/sbin/munin23:26:011
81710rcu_preempt29124-21diskmemload21:35:321
81710rcu_preempt0-21swapper/123:31:071
81710rcu_preempt0-21swapper/122:22:021
81700rcu_preempt29124-21diskmemload00:25:171
81700rcu_preempt13949-21basename20:15:411
81700rcu_preempt0-21swapper/122:41:071
81700rcu_preempt0-21swapper/122:31:031
81700rcu_preempt0-21swapper/122:00:561
81700rcu_preempt0-21swapper/100:10:521
81690rcu_preempt4637-21apt-get00:40:531
81690rcu_preempt27829-21open_inodes23:16:061
81690rcu_preempt0-21swapper/123:52:221
81690rcu_preempt0-21swapper/123:48:151
81690rcu_preempt0-21swapper/122:45:591
81680rcu_preempt8617-1kworker/1:0H22:50:551
81680rcu_preempt2623-21sh22:27:110
81680rcu_preempt0-21swapper/123:41:001
81680rcu_preempt0-21swapper/123:20:551
81680rcu_preempt0-21swapper/121:36:041
81680rcu_preempt0-21swapper/121:16:541
81680rcu_preempt0-21swapper/100:08:211
81680rcu_preempt0-21swapper/000:24:280
81670rcu_preempt15107-21sh21:50:200
81670rcu_preempt0-21swapper/122:57:571
81670rcu_preempt0-21swapper/022:42:230
81660rcu_preempt7234-21grep19:46:041
81660rcu_preempt29125-21munin-run21:15:421
81660rcu_preempt21355-21timerandwakeup20:41:101
81660rcu_preempt0-21swapper/120:02:521
81660rcu_preempt0-21swapper/022:59:190
81650rcu_preempt31564-21fw_forwarded_lo19:15:581
81650rcu_preempt27867-21munin-run21:10:421
81650rcu_preempt0-21swapper/123:10:261
81650rcu_preempt0-21swapper/023:52:000
81650rcu_preempt0-21swapper/020:45:080
81640rcu_preempt6725-21ssh22:35:561
81640rcu_preempt3686-21munin-run22:30:421
81640rcu_preempt0-21swapper/120:50:561
81640rcu_preempt0-21swapper/100:00:581
81640rcu_preempt0-21swapper/021:36:300
81630rcu_preempt20273-21switchtime23:01:081
81630rcu_preempt0-21swapper/123:11:001
81630rcu_preempt0-21swapper/121:26:011
81630rcu_preempt0-21swapper/120:07:241
81630rcu_preempt0-21swapper/023:41:040
81630rcu_preempt0-21swapper/020:32:260
81620rcu_preempt945-21usb-storage21:45:091
81620rcu_preempt5100-21latency_hist19:40:421
81620rcu_preempt25431-21ssh00:15:550
81620rcu_preempt2153-21ssh00:35:540
81620rcu_preempt0-21swapper/119:35:421
81610rcu_preempt3601-21ssh00:37:211
81610rcu_preempt26599-21ssh22:11:061
81610rcu_preempt15391-21ssh21:50:511
81610rcu_preempt0-21swapper/100:15:561
81600rcu_preempt32374-21fw_conntrack21:20:581
81600rcu_preempt0-21swapper/119:41:051
81600rcu_preempt0-21swapper/023:30:370
81600rcu_preempt0-21swapper/000:04:370
81590rcu_preempt18562-21ntpq20:31:031
81590rcu_preempt0-21swapper/122:16:331
81590rcu_preempt0-21swapper/022:46:270
81590rcu_preempt0-21swapper/021:56:450
81580rcu_preempt19579-21if_wlan020:35:591
81580rcu_preempt0-21swapper/120:26:041
81580rcu_preempt0-21swapper/119:56:011
81570rcu_preempt7090-21ssh22:36:010
81570rcu_preempt28754-21ssh22:15:560
81570rcu_preempt12320-21ssh23:50:200
81570rcu_preempt0-21swapper/120:20:571
81570rcu_preempt0-21swapper/119:21:041
81570rcu_preempt0-21swapper/022:06:310
81570rcu_preempt0-21swapper/021:33:230
81570rcu_preempt0-21swapper/021:20:120
81570rcu_preempt0-21swapper/000:10:560
81560rcu_preempt27632-21ssh22:13:220
81560rcu_preempt25955-21ssh23:12:430
81560rcu_preempt25805-21if_err_eth121:01:011
81560rcu_preempt23832-21ssh23:09:050
81560rcu_preempt15201-21munin-run20:20:411
81560rcu_preempt11632-21ssh21:41:470
81560rcu_preempt0-21swapper/120:46:291
81560rcu_preempt0-21swapper/022:53:040
81560rcu_preempt0-21swapper/021:24:110
81560rcu_preempt0-21swapper/020:55:580
81560rcu_preempt0-21swapper/019:51:000
81550rcu_preempt20745-21ssh23:02:150
81550rcu_preempt17643-21ssh21:55:020
81550rcu_preempt0-21swapper/023:16:110
81550rcu_preempt0-21swapper/000:31:370
89850540irq/17-ehci_hcd31377-21ls19:15:550
81540rcu_preempt0-21swapper/023:33:070
81540rcu_preempt0-21swapper/021:29:520
81540rcu_preempt0-21swapper/020:22:370
81540rcu_preempt0-21swapper/020:07:470
81540rcu_preempt0-21swapper/019:49:140
81530rcu_preempt3838-21ssh22:30:460
81530rcu_preempt32643-21ssh22:23:080
81530rcu_preempt22852-21ssh22:05:230
81530rcu_preempt0-21swapper/023:58:300
81530rcu_preempt0-21swapper/023:39:060
81530rcu_preempt0-21swapper/021:15:360
81530rcu_preempt0-21swapper/020:29:330
81530rcu_preempt0-21swapper/020:15:510
81530rcu_preempt0-21swapper/000:43:530
81530rcu_preempt0-21swapper/000:27:370
89850520irq/17-ehci_hcd945-21usb-storage20:00:420
81520rcu_preempt0-21swapper/119:28:141
81520rcu_preempt0-21swapper/023:25:110
81520rcu_preempt0-21swapper/020:05:180
81520rcu_preempt0-21swapper/019:21:220
81520rcu_preempt0-21swapper/000:06:160
31171995245cyclictest945-21usb-storage21:05:510
81510rcu_preempt0-21swapper/019:35:320
31172995148cyclictest181ktimersoftd/120:56:011
31171995148cyclictest945-21usb-storage20:48:330
81500rcu_preempt0-21swapper/019:27:060
31171995047cyclictest945-21usb-storage20:51:330
81490rcu_preempt0-21swapper/019:39:040
81470rcu_preempt0-21swapper/020:40:260
81460rcu_preempt0-21swapper/019:42:040
89850440irq/17-ehci_hcd13944-21munin-run20:15:410
147850440irq/30-eth0-tx-0-21swapper/021:01:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional