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2026-04-19 - 10:07
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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 rack7slot8.osadl.org (updated Sat Apr 18, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1322223039,61sleep00-21swapper/007:06:070
18569911188,13cyclictest0-21swapper/007:10:030
18569910757,34cyclictest101ktimersoftd/012:17:080
18569910746,43cyclictest10250irq/56-4a10000007:55:210
18569910273,13cyclictest101ktimersoftd/009:45:310
18569910239,45cyclictest101ktimersoftd/011:22:130
18569910136,17cyclictest18008-21apt-get08:17:210
18569910057,29cyclictest101ktimersoftd/009:20:200
1856999856,25cyclictest101ktimersoftd/009:02:130
1856999841,21cyclictest29003-21entropy11:00:400
1856999752,30cyclictest101ktimersoftd/010:12:120
41082946,11sleep04120-21df09:25:170
1856999367,11cyclictest101ktimersoftd/010:15:430
1856999335,19cyclictest754-21systemd-journal12:27:450
1856999267,11cyclictest101ktimersoftd/008:50:400
1856999265,14cyclictest101ktimersoftd/010:37:090
1856999142,31cyclictest26466-21runrttasks10:50:470
1856999051,28cyclictest101ktimersoftd/008:25:000
1856998941,15cyclictest10250irq/56-4a10000012:31:260
1856998841,32cyclictest101ktimersoftd/009:30:190
1856998836,42cyclictest12787-21apt-get12:07:120
1856998822,28cyclictest1408-21nginx10:31:050
1856998748,29cyclictest0-21swapper/009:05:320
1856998748,20cyclictest0-21swapper/008:45:070
1856998714,21cyclictest1305-21snmpd10:25:430
1856998712,56cyclictest1157-21cron11:20:010
1856998651,24cyclictest101ktimersoftd/012:05:020
1856998651,22cyclictest101ktimersoftd/009:50:320
1856998630,40cyclictest101ktimersoftd/009:15:310
1856998616,51cyclictest9291-21cron07:40:000
1856998548,26cyclictest101ktimersoftd/008:30:030
1856998547,23cyclictest101ktimersoftd/008:00:460
1856998543,27cyclictest3650irq/20-4900000011:10:370
1856998540,35cyclictest7806-21sshd07:32:540
1856998532,15cyclictest18095-21aten_r7power_po10:20:130
1856998525,42cyclictest10778-21wget07:45:250
1856998519,29cyclictest6555-21latency_hist11:40:050
1856998447,27cyclictest0-21swapper/011:25:220
1856998446,27cyclictest0-21swapper/008:35:230
1856998436,30cyclictest4316-21cron07:19:590
1856998360,10cyclictest101ktimersoftd/009:40:360
1856998351,14cyclictest10150irq/55-4a10000011:00:020
1856998316,52cyclictest10250irq/56-4a10000010:40:150
185699829,37cyclictest18119-21chrt12:24:300
1856998249,14cyclictest10150irq/55-4a10000011:30:130
1856998237,31cyclictest101ktimersoftd/012:40:010
1856998236,14cyclictest10250irq/56-4a10000011:56:180
1856998213,30cyclictest1408-21nginx10:46:090
185699817,57cyclictest801-21dbus-daemon09:00:020
1856998132,12cyclictest101ktimersoftd/007:40:220
1856998123,40cyclictest1408-21nginx12:11:200
1856998122,29cyclictest11414-21cut09:55:120
1856998110,35cyclictest9558-21ntp_states11:50:400
1856998048,21cyclictest13199-21mailstats10:00:470
1856997959,11cyclictest101ktimersoftd/010:05:190
1856997959,11cyclictest101ktimersoftd/008:05:190
1856997947,14cyclictest10150irq/55-4a10000007:20:170
1856997939,26cyclictest101ktimersoftd/008:40:230
185699791,39cyclictest5693-21/usr/sbin/munin07:25:100
1856997910,16cyclictest6621-21diskstats09:35:210
1856997833,13cyclictest0-21swapper/011:46:120
1856997753,11cyclictest101ktimersoftd/011:40:530
1856997751,11cyclictest101ktimersoftd/009:10:210
185699772,38cyclictest17076-21df08:10:180
185699767,50cyclictest11944-21wget07:50:150
185699767,31cyclictest22253-21/usr/sbin/munin08:30:520
1856997645,14cyclictest10150irq/55-4a10000011:05:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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