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2026-03-28 - 10:53
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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 highest latencies:
System rack4slot1.osadl.org (updated Fri Mar 27, 2026 20:26:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1710126170,2sleep012-21ksoftirqd/019:12:050
1710126170,2sleep012-21ksoftirqd/019:12:050
1146921530,3sleep30-21swapper/320:22:023
2270521080,1sleep012-21ksoftirqd/019:27:010
2270521080,1sleep012-21ksoftirqd/019:27:010
760921000,1sleep012-21ksoftirqd/020:12:020
760921000,1sleep012-21ksoftirqd/020:12:020
2646821000,1sleep012-21ksoftirqd/019:37:020
2646821000,1sleep012-21ksoftirqd/019:37:020
2646821000,1sleep012-21ksoftirqd/019:37:020
199172630,4sleep10-21swapper/119:21:511
56812570,2sleep30-21swapper/320:07:033
56812570,2sleep30-21swapper/320:07:033
8982500,6sleep0932-21fschecks_count19:56:520
49282500,2chrt4660-21/usr/sbin/munin20:06:520
49282500,2chrt4660-21/usr/sbin/munin20:06:520
160072490,3sleep216109-21grep19:11:512
160072490,3sleep216109-21grep19:11:512
187232440,4sleep10-21swapper/119:17:011
187232440,4sleep10-21swapper/119:17:011
204652420,3sleep30-21swapper/319:21:583
168522419,21sleep173-21kswapd019:12:021
168522419,21sleep173-21kswapd019:12:021
17250993927,6cyclictest28416-21find19:42:031
17250993927,6cyclictest28416-21find19:42:031
320412360,2sleep232144-21/usr/sbin/munin19:52:002
320412360,2sleep232144-21/usr/sbin/munin19:52:002
161132350,28sleep30-21swapper/319:11:523
161132350,28sleep30-21swapper/319:11:523
17251993217,7cyclictest26466-21grep19:37:022
17251993217,7cyclictest26466-21grep19:37:022
17251993217,7cyclictest26466-21grep19:37:022
37212290,4sleep30-21swapper/320:02:013
37212290,4sleep30-21swapper/320:02:013
275662290,1sleep227598-21/usr/sbin/munin19:41:512
275662290,1sleep227598-21/usr/sbin/munin19:41:512
17249992921,6cyclictest73-21kswapd020:17:020
17249992921,6cyclictest73-21kswapd020:17:020
1725199281,3cyclictest131rcu_preempt19:57:042
116862280,3chrt0-21swapper/120:22:051
1725199273,12cyclictest7601-21find20:12:022
1725199273,12cyclictest7601-21find20:12:022
1724999272,9cyclictest73-21kswapd020:01:510
1724999272,9cyclictest73-21kswapd020:01:510
1725199261,7cyclictest73-21kswapd020:22:022
1725099251,21cyclictest25663-21taskset19:36:521
1725099251,21cyclictest25663-21taskset19:36:521
1725099251,21cyclictest25663-21taskset19:36:521
1725099242,3cyclictest131rcu_preempt20:16:511
1725099242,3cyclictest131rcu_preempt20:16:511
17250992414,7cyclictest22404-21ntpq19:26:561
17250992414,7cyclictest22404-21ntpq19:26:561
1725199231,4cyclictest0-21swapper/220:07:202
1725199231,4cyclictest0-21swapper/220:07:202
1725199221,15cyclictest20020-21uniq19:21:522
1724999221,18cyclictest20352-21ls19:21:550
1724999221,18cyclictest12137-21latency_hist20:26:440
1724999221,16cyclictest18345-21ls19:16:540
1724999221,16cyclictest18345-21ls19:16:540
254192210,4sleep30-21swapper/319:36:453
1724999211,9cyclictest31586-21grep19:51:520
1724999211,9cyclictest31586-21grep19:51:520
1724999211,9cyclictest29685-21grep19:46:510
1725199201,16cyclictest2835-21cut20:01:512
1725199201,16cyclictest2835-21cut20:01:512
17250992012,4cyclictest131rcu_preempt19:57:051
17250992011,7cyclictest24437-21/usr/sbin/munin19:32:021
1725199191,8cyclictest9535-21find20:17:032
1725199191,8cyclictest9535-21find20:17:032
1725099192,4cyclictest131rcu_preempt20:12:021
1725099192,4cyclictest131rcu_preempt20:12:021
1724999191,12cyclictest23914-21ls19:31:540
1725299183,10cyclictest76052sleep320:12:023
1725299183,10cyclictest76052sleep320:12:023
1724999181,6cyclictest27797-21idleruntime19:41:530
1724999181,6cyclictest27797-21idleruntime19:41:530
17252991711,4cyclictest0-21swapper/320:17:023
17252991711,4cyclictest0-21swapper/320:17:023
1725299171,11cyclictest0-21swapper/319:36:553
1725299171,11cyclictest0-21swapper/319:36:553
1725299171,11cyclictest0-21swapper/319:36:553
1725299171,11cyclictest0-21swapper/319:17:013
1725299171,11cyclictest0-21swapper/319:17:013
1725199177,8cyclictest22229-21sed19:26:532
1725199177,8cyclictest22229-21sed19:26:532
17251991710,5cyclictest188372sleep219:17:032
17251991710,5cyclictest188372sleep219:17:032
1725099179,5cyclictest29511-21/usr/sbin/munin19:46:501
1725099172,12cyclictest5364-21ntp_states20:06:581
1725099172,12cyclictest5364-21ntp_states20:06:581
17250991711,4cyclictest2685-21/usr/sbin/munin20:01:501
17250991711,4cyclictest2685-21/usr/sbin/munin20:01:501
1725099171,13cyclictest641-21cat19:56:421
1725099171,13cyclictest641-21cat19:56:421
1725299161,13cyclictest0-21swapper/319:56:553
1725199161,9cyclictest24258-21ntp_states19:31:592
17251991610,5cyclictest29559-21fschecks_count19:46:512
1725299141,9cyclictest27599-21chrt19:41:513
1725299141,9cyclictest27599-21chrt19:41:513
1725299131,9cyclictest665-21chrt19:56:423
1725299131,9cyclictest665-21chrt19:56:423
1725299112,7cyclictest0-21swapper/319:46:513
1725299111,8cyclictest0-21swapper/319:26:513
1725299111,8cyclictest0-21swapper/319:26:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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