You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-10 - 08:28
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 100 highest latencies:
System rack4slot4.osadl.org (updated Fri Apr 10, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71880rcu_preempt0-21swapper/222:08:092
71880rcu_preempt0-21swapper/222:08:092
71880rcu_preempt0-21swapper/222:08:092
71500rcu_preempt0-21swapper/222:07:072
71500rcu_preempt0-21swapper/222:07:072
71490rcu_preempt0-21swapper/322:08:193
71490rcu_preempt0-21swapper/322:08:193
71490rcu_preempt0-21swapper/322:08:193
71490rcu_preempt0-21swapper/023:02:370
71490rcu_preempt0-21swapper/023:02:370
71480rcu_preempt0-21swapper/319:47:263
71480rcu_preempt0-21swapper/319:47:263
46650460irq/116-QManpo8383-2110:48:553
46650460irq/116-QManpo8383-2110:48:553
46650460irq/116-QManpo8383-2110:48:553
8493994314cyclictest9382-1kworker/0:0H21:22:310
8493994314cyclictest9382-1kworker/0:0H21:22:310
8493994314cyclictest9382-1kworker/0:0H21:22:310
71430rcu_preempt13505-1kworker/3:0H22:22:253
71430rcu_preempt13505-1kworker/3:0H22:22:253
71430rcu_preempt13505-1kworker/3:0H22:22:253
71430rcu_preempt0-21swapper/019:47:180
71430rcu_preempt0-21swapper/019:47:180
8493994210cyclictest0-21swapper/000:32:320
8493994210cyclictest0-21swapper/000:32:320
71420rcu_preempt0-21swapper/300:02:333
71420rcu_preempt0-21swapper/300:02:333
71420rcu_preempt0-21swapper/300:02:333
71420rcu_preempt0-21swapper/022:47:520
71420rcu_preempt0-21swapper/022:47:520
71420rcu_preempt0-21swapper/000:09:420
71420rcu_preempt0-21swapper/000:09:420
8493994114cyclictest22452-21runrttasks00:29:100
8493994114cyclictest22452-21runrttasks00:29:100
71410rcu_preempt0-21swapper/300:23:233
71410rcu_preempt0-21swapper/300:23:233
71410rcu_preempt0-21swapper/300:23:233
8493994028cyclictest16346-21apt-get22:22:250
8493994028cyclictest16346-21apt-get22:22:250
8493994028cyclictest16346-21apt-get22:22:250
8493994019cyclictest26741-21diskstats21:42:300
8493994019cyclictest26741-21diskstats21:42:300
8493994019cyclictest26741-21diskstats21:42:300
8493994015cyclictest0-21swapper/021:52:190
8493994012cyclictest29325-21copy00:42:160
8493994012cyclictest29325-21copy00:42:160
71400rcu_preempt0-21swapper/323:32:323
71400rcu_preempt0-21swapper/323:32:323
71400rcu_preempt0-21swapper/220:02:432
71400rcu_preempt0-21swapper/220:02:432
46450400irq/118-QManpo6987-2110:48:552
46450400irq/118-QManpo6987-2110:48:552
46450400irq/118-QManpo6987-2110:48:552
8493993930cyclictest7283-21apt-get00:02:240
8493993930cyclictest7283-21apt-get00:02:240
8493993930cyclictest7283-21apt-get00:02:240
8493993920cyclictest15458-21/usr/sbin/munin19:37:350
8493993920cyclictest15458-21/usr/sbin/munin19:37:350
8493993919cyclictest12936-21diskstats19:27:290
8493993919cyclictest12936-21diskstats19:27:290
8493993918cyclictest18040-21ps23:22:400
8493993918cyclictest18040-21ps23:22:400
8493993918cyclictest18040-21ps23:22:400
8493993916cyclictest0-21swapper/020:02:140
8493993916cyclictest0-21swapper/020:02:140
8493993916cyclictest0-21swapper/020:02:140
8493993915cyclictest7853-21/usr/sbin/munin22:07:470
8493993915cyclictest7853-21/usr/sbin/munin22:07:470
8493993915cyclictest7853-21/usr/sbin/munin22:07:470
8493993915cyclictest30164-21kworker/u8:123:32:410
8493993915cyclictest30164-21kworker/u8:123:32:410
71390rcu_preempt23138-21ssh23:32:352
71390rcu_preempt23138-21ssh23:32:352
71390rcu_preempt0-21swapper/323:10:173
71390rcu_preempt0-21swapper/323:10:173
71390rcu_preempt0-21swapper/323:10:173
71390rcu_preempt0-21swapper/322:05:553
71390rcu_preempt0-21swapper/322:05:553
71390rcu_preempt0-21swapper/023:39:450
71390rcu_preempt0-21swapper/023:39:450
71390rcu_preempt0-21swapper/023:39:450
71390rcu_preempt0-21swapper/023:07:320
71390rcu_preempt0-21swapper/023:07:320
71390rcu_preempt0-21swapper/023:07:320
71390rcu_preempt0-21swapper/021:57:440
71390rcu_preempt0-21swapper/021:57:440
71390rcu_preempt0-21swapper/021:48:190
71390rcu_preempt0-21swapper/021:19:120
71390rcu_preempt0-21swapper/021:19:120
71390rcu_preempt0-21swapper/021:19:120
71390rcu_preempt0-21swapper/000:24:220
71390rcu_preempt0-21swapper/000:24:220
71390rcu_preempt0-21swapper/000:24:220
8493993818cyclictest11816-21ntp_states19:22:370
8493993818cyclictest11816-21ntp_states19:22:370
8493993818cyclictest11816-21ntp_states19:22:370
8493993817cyclictest24137-21irqstats20:07:310
8493993817cyclictest24137-21irqstats20:07:310
8493993814cyclictest0-21swapper/021:12:370
8493993814cyclictest0-21swapper/021:12:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional