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2026-04-28 - 13:51
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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 Tue Apr 28, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71770rcu_preempt7574-1kworker/0:0H07:09:110
71770rcu_preempt7574-1kworker/0:0H07:09:110
3218099542cyclictest14441-21/usr/sbin/munin10:38:010
3218099542cyclictest14441-21/usr/sbin/munin10:38:010
3218099532cyclictest26592-21irqstats08:47:540
3218099532cyclictest26592-21irqstats08:47:540
3218099524cyclictest0-21swapper/012:13:000
3218099524cyclictest0-21swapper/012:13:000
3218099524cyclictest0-21swapper/012:13:000
3218099523cyclictest16262-21munin-run12:42:360
3218099523cyclictest16262-21munin-run12:42:360
3218099523cyclictest16262-21munin-run12:42:360
3218099523cyclictest0-21swapper/009:37:460
3218099523cyclictest0-21swapper/009:37:460
3218099522cyclictest14971-21ntp_states11:37:590
3218099522cyclictest14971-21ntp_states11:37:590
3218099515cyclictest9545-21cat11:27:570
3218099515cyclictest9545-21cat11:27:570
3218099515cyclictest9545-21cat11:27:570
3218099514cyclictest0-21swapper/011:21:420
3218099514cyclictest0-21swapper/011:21:420
3218099513cyclictest0-21swapper/011:54:250
3218099513cyclictest0-21swapper/011:54:250
3218099513cyclictest0-21swapper/011:35:150
3218099513cyclictest0-21swapper/011:35:150
3218099513cyclictest0-21swapper/010:03:540
3218099513cyclictest0-21swapper/010:03:540
3218099513cyclictest0-21swapper/010:03:540
3218099513cyclictest0-21swapper/009:53:040
3218099513cyclictest0-21swapper/009:53:040
3218099513cyclictest0-21swapper/009:17:080
3218099513cyclictest0-21swapper/009:17:080
3218099512cyclictest9819-21ntp_states09:28:020
3218099512cyclictest9819-21ntp_states09:28:020
3218099512cyclictest4396-21memory07:27:570
3218099512cyclictest4396-21memory07:27:570
3218099512cyclictest0-21swapper/010:35:010
3218099512cyclictest0-21swapper/010:35:010
3218099506cyclictest18318-21ssh10:43:230
3218099506cyclictest18318-21ssh10:43:230
3218099506cyclictest18318-21ssh10:43:230
3218099503cyclictest10279-1kworker/0:0H12:33:020
3218099503cyclictest10279-1kworker/0:0H12:33:020
3218099503cyclictest10279-1kworker/0:0H12:33:020
3218099503cyclictest10279-1kworker/0:0H12:33:020
3218099503cyclictest0-21swapper/011:47:250
3218099503cyclictest0-21swapper/011:47:250
3218099503cyclictest0-21swapper/011:47:250
3218099503cyclictest0-21swapper/011:02:570
3218099503cyclictest0-21swapper/011:02:570
3218099503cyclictest0-21swapper/011:02:570
3218099502cyclictest7488-21ssh10:23:130
3218099502cyclictest7488-21ssh10:23:130
3218099502cyclictest7488-21ssh10:23:130
3218099502cyclictest2562-21sed07:22:390
3218099502cyclictest2562-21sed07:22:390
3218099502cyclictest21823-21ssh11:51:140
3218099502cyclictest21823-21ssh11:51:140
3218099501cyclictest2600-21apt-get07:22:450
3218099501cyclictest2600-21apt-get07:22:450
32180995015cyclictest0-21swapper/012:02:550
32180995015cyclictest0-21swapper/012:02:550
71490rcu_preempt9040-1kworker/3:2H07:47:433
71490rcu_preempt9040-1kworker/3:2H07:47:433
3218099494cyclictest12192-21munin-run07:57:330
3218099494cyclictest12192-21munin-run07:57:330
3218099493cyclictest0-21swapper/012:10:460
3218099493cyclictest0-21swapper/012:10:460
3218099493cyclictest0-21swapper/011:58:170
3218099493cyclictest0-21swapper/011:58:170
3218099493cyclictest0-21swapper/009:33:440
3218099493cyclictest0-21swapper/009:33:440
3218099493cyclictest0-21swapper/009:33:440
3218099493cyclictest0-21swapper/009:26:320
3218099493cyclictest0-21swapper/009:26:320
3218099493cyclictest0-21swapper/009:26:320
3218099493cyclictest0-21swapper/008:17:340
3218099493cyclictest0-21swapper/008:17:340
3218099493cyclictest0-21swapper/008:17:340
3218099492cyclictest13951-21sed08:02:490
3218099492cyclictest13951-21sed08:02:490
3218099492cyclictest13951-21sed08:02:490
32180994916cyclictest15348-21df_inode08:07:500
32180994916cyclictest15348-21df_inode08:07:500
3218099488cyclictest8520-21cat07:42:530
3218099488cyclictest8520-21cat07:42:530
3218099488cyclictest8520-21cat07:42:530
3218099483cyclictest0-21swapper/011:24:350
3218099483cyclictest0-21swapper/011:24:350
3218099483cyclictest0-21swapper/011:24:350
3218099483cyclictest0-21swapper/011:08:070
3218099483cyclictest0-21swapper/011:08:070
3218099483cyclictest0-21swapper/011:08:070
3218099483cyclictest0-21swapper/010:49:100
3218099483cyclictest0-21swapper/010:49:100
3218099483cyclictest0-21swapper/010:49:100
3218099483cyclictest0-21swapper/010:17:460
3218099483cyclictest0-21swapper/010:17:460
3218099483cyclictest0-21swapper/010:17:460
3218099483cyclictest0-21swapper/010:07:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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