You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-17 - 20:27
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 Fri Apr 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt1896-21python07:11:031
81760rcu_preempt25904-21df_inode11:05:521
81730rcu_preempt6839-21ps07:31:020
81730rcu_preempt1958-21sh12:25:051
81720rcu_preempt3101-21apt-get09:20:511
81720rcu_preempt11296-21ssh10:36:320
81720rcu_preempt0-21swapper/110:54:511
81700rcu_preempt2101-21munin-run07:15:370
81700rcu_preempt0-21swapper/112:31:051
81700rcu_preempt0-21swapper/112:15:561
81700rcu_preempt0-21swapper/111:11:231
81690rcu_preempt4037-21sh10:23:310
81690rcu_preempt0-21swapper/112:40:581
81690rcu_preempt0-21swapper/011:34:210
81680rcu_preempt32469-21diskmemload11:13:260
81680rcu_preempt10055-21ssh11:36:220
81680rcu_preempt0-21swapper/110:44:141
81680rcu_preempt0-21swapper/108:30:551
81670rcu_preempt5751-21ps12:31:030
81670rcu_preempt3-21ksoftirqd/009:19:410
81670rcu_preempt26276-21latency_hist08:50:381
81670rcu_preempt13620-21apt-get08:00:501
81670rcu_preempt0-21swapper/112:01:011
81670rcu_preempt0-21swapper/111:45:141
81670rcu_preempt0-21swapper/111:45:141
81670rcu_preempt0-21swapper/109:48:161
81670rcu_preempt0-21swapper/109:37:281
81670rcu_preempt0-21swapper/109:16:481
81670rcu_preempt0-21swapper/010:06:500
81670rcu_preempt0-21swapper/009:28:360
89850660irq/17-ehci_hcd945-21usb-storage10:20:251
81660rcu_preempt2175-21ls11:21:030
81660rcu_preempt19557-21tr08:21:021
81660rcu_preempt11444-21ssh10:37:051
81660rcu_preempt0-21swapper/112:09:131
81660rcu_preempt0-21swapper/111:30:101
81660rcu_preempt0-21swapper/111:20:511
81660rcu_preempt0-21swapper/108:45:561
81660rcu_preempt0-21swapper/011:54:490
81650rcu_preempt0-21swapper/010:55:480
81650rcu_preempt0-21swapper/010:54:510
81650rcu_preempt0-21swapper/010:44:320
81650rcu_preempt0-21swapper/007:23:490
81640rcu_preempt26792-21ssh10:05:401
81640rcu_preempt0-21swapper/111:36:511
81640rcu_preempt0-21swapper/110:27:451
81640rcu_preempt0-21swapper/009:07:100
81640rcu_preempt0-21swapper/007:53:260
81640rcu_preempt0-21swapper/007:25:530
81630rcu_preempt32374-21ssh11:17:381
81630rcu_preempt32277-21python09:11:020
81630rcu_preempt28754-21latency_hist09:00:381
81630rcu_preempt22069-21ssh10:58:051
81630rcu_preempt20799-21sendmail_mailst08:26:021
81630rcu_preempt17484-21kworker/0:210:49:200
81630rcu_preempt0-21swapper/111:46:061
81630rcu_preempt0-21swapper/111:03:431
81630rcu_preempt0-21swapper/008:51:030
81630rcu_preempt0-21swapper/008:46:010
89450620irq/17-ehci_hcd0-21swapper/110:01:181
81620rcu_preempt3-21ksoftirqd/010:13:580
81620rcu_preempt18951-21/usr/sbin/munin09:50:590
81620rcu_preempt17935-21ssh11:51:521
81620rcu_preempt10306-21rm09:33:490
81620rcu_preempt0-21swapper/112:36:061
81620rcu_preempt0-21swapper/109:30:571
81620rcu_preempt0-21swapper/010:15:520
81620rcu_preempt0-21swapper/009:44:560
81610rcu_preempt3016-21ssh12:25:581
81610rcu_preempt27602-21ssh11:09:020
81610rcu_preempt20095-21vmstat09:51:051
81610rcu_preempt0-21swapper/109:56:021
81610rcu_preempt0-21swapper/109:41:021
81610rcu_preempt0-21swapper/109:10:381
81610rcu_preempt0-21swapper/109:01:011
81610rcu_preempt0-21swapper/108:41:031
81610rcu_preempt0-21swapper/011:55:500
81610rcu_preempt0-21swapper/010:27:490
81610rcu_preempt0-21swapper/009:48:420
89050600irq/17-ehci_hcd945-21usb-storage07:35:471
81600rcu_preempt3883-21ssh10:23:001
81600rcu_preempt0-21swapper/112:00:181
81600rcu_preempt0-21swapper/110:50:201
81600rcu_preempt0-21swapper/110:35:331
81600rcu_preempt0-21swapper/108:36:021
81600rcu_preempt0-21swapper/108:19:301
81600rcu_preempt0-21swapper/107:26:031
81600rcu_preempt0-21swapper/012:36:100
81600rcu_preempt0-21swapper/008:25:490
81590rcu_preempt8531-21ssh11:35:201
81590rcu_preempt23113-21ssh12:02:200
81590rcu_preempt2138-21snmpd07:49:241
81590rcu_preempt14292-21netstat08:01:000
81590rcu_preempt0-21swapper/112:13:291
81590rcu_preempt0-21swapper/012:10:180
81580rcu_preempt15348-21ssh11:47:050
81580rcu_preempt13625-21ssh11:45:200
81580rcu_preempt13625-21ssh11:45:200
81580rcu_preempt0-21swapper/110:12:281
81580rcu_preempt0-21swapper/109:27:151
81580rcu_preempt0-21swapper/012:41:000
81580rcu_preempt0-21swapper/012:16:310
81580rcu_preempt0-21swapper/012:14:040
81580rcu_preempt0-21swapper/009:56:260
81580rcu_preempt0-21swapper/008:41:030
147950580irq/31-eth0-tx-11024-21apt-get09:35:490
147850580irq/30-eth0-tx-26198-21ssh10:04:080
81570rcu_preempt643-21ssh11:20:100
81570rcu_preempt4302-21ssh12:29:030
81570rcu_preempt31506-21df_abs09:10:521
81570rcu_preempt23589-21awk08:40:370
81570rcu_preempt0-21swapper/107:57:051
81570rcu_preempt0-21swapper/107:51:131
81570rcu_preempt0-21swapper/107:31:051
81570rcu_preempt0-21swapper/010:35:330
81570rcu_preempt0-21swapper/007:56:030
147950570irq/31-eth0-tx-1585-21ssh12:23:550
147850570irq/30-eth0-tx-3574-21ssh11:25:390
81560rcu_preempt9299-21ntp_states07:41:001
81560rcu_preempt25235-21ssh11:04:540
81560rcu_preempt0-21swapper/009:23:350
81560rcu_preempt0-21swapper/008:21:010
81560rcu_preempt0-21swapper/007:15:540
81550rcu_preempt22329-21munin-run08:35:370
81550rcu_preempt0-21swapper/107:23:221
81540rcu_preempt27984-21if_eth108:55:530
81540rcu_preempt0-21swapper/008:14:530
81540rcu_preempt0-21swapper/008:06:300
2140995444cyclictest945-21usb-storage08:06:491
81530rcu_preempt0-21swapper/008:19:420
81520rcu_preempt8842-21fw_forwarded_lo07:40:530
81520rcu_preempt0-21swapper/009:01:330
81500rcu_preempt0-21swapper/007:45:430
81500rcu_preempt0-21swapper/007:38:450
2140993732cyclictest945-21usb-storage07:15:531
81310rcu_preempt19-21ksoftirqd/108:11:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional