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2026-03-10 - 16:43
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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 Tue Mar 10, 2026 07:46:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2143823750,1sleep012-21ksoftirqd/007:11:480
2143823750,1sleep012-21ksoftirqd/007:11:480
3260121190,3sleep30-21swapper/307:41:413
3260121190,3sleep30-21swapper/307:41:413
284712460,4sleep228466-21ntp_kernel_pll_07:31:402
284712460,4sleep228466-21ntp_kernel_pll_07:31:402
221662360,3sleep30-21swapper/307:16:293
221662360,3sleep30-21swapper/307:16:293
289042310,2sleep029086-21/usr/sbin/munin07:31:470
289042310,2sleep029086-21/usr/sbin/munin07:31:470
206462315,19sleep120759-21wc07:11:381
206462315,19sleep120759-21wc07:11:381
2156499261,7cyclictest25534-21chrt07:24:173
2156499261,7cyclictest25534-21chrt07:24:173
21562992620,4cyclictest0-21swapper/107:21:431
21562992620,4cyclictest0-21swapper/107:21:431
21561992611,9cyclictest23133-21find07:16:460
21561992611,9cyclictest23133-21find07:16:460
21561992611,9cyclictest23133-21find07:16:460
215182265,14sleep20-21swapper/207:11:552
215182265,14sleep20-21swapper/207:11:552
2156499253,5cyclictest0-21swapper/307:26:453
2156499251,7cyclictest30917-21chrt07:36:473
2156499251,7cyclictest30917-21chrt07:36:473
2156399253,15cyclictest73-21kswapd007:16:462
2156399253,15cyclictest73-21kswapd007:16:462
2156399253,15cyclictest73-21kswapd007:16:462
2156499241,6cyclictest29434-21chrt07:35:263
2156499241,6cyclictest29434-21chrt07:35:263
2156199243,4cyclictest12-21ksoftirqd/007:41:440
2156199243,4cyclictest12-21ksoftirqd/007:41:440
2156499231,7cyclictest23765-21chrt07:20:523
2156499231,7cyclictest23765-21chrt07:20:523
2156499231,7cyclictest23765-21chrt07:20:523
2156399223,3cyclictest131rcu_preempt07:41:432
2156399223,3cyclictest131rcu_preempt07:41:432
21563992214,6cyclictest30639-21awk07:36:442
21563992214,6cyclictest30639-21awk07:36:442
2156299211,16cyclictest32168-21ls07:41:351
2156299211,16cyclictest32168-21ls07:41:351
2156299210,4cyclictest131rcu_preempt07:16:461
2156299210,4cyclictest131rcu_preempt07:16:461
2156299210,4cyclictest131rcu_preempt07:16:461
2156199212,4cyclictest30660-21mailstats07:36:440
2156199212,4cyclictest30660-21mailstats07:36:440
2156199211,8cyclictest26702-21proc_pri07:26:410
21561992112,8cyclictest73-21kswapd007:21:440
21561992112,8cyclictest73-21kswapd007:21:440
21562992011,7cyclictest25966-21/usr/sbin/munin07:26:421
2156299195,4cyclictest131rcu_preempt07:36:471
2156299195,4cyclictest131rcu_preempt07:36:471
2156399171,14cyclictest24341-21fschecks_time07:21:342
2156399171,14cyclictest24341-21fschecks_time07:21:342
21562991710,5cyclictest29234-21seq07:33:141
21562991710,5cyclictest29234-21seq07:33:141
2156399161,11cyclictest26558-21tail07:26:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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