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2026-04-21 - 21:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Tue Apr 21, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27347992516483,0cyclictest27437-21grep07:02:420
27347992473237,0cyclictest32679-1kworker/0:0H10:02:470
27347992430274,0cyclictest32679-1kworker/0:0H09:02:460
27347992412305,0cyclictest32679-1kworker/0:0H09:47:450
27347992401290,0cyclictest32679-1kworker/0:0H08:47:440
27347992388227,0cyclictest32679-1kworker/0:0H08:02:480
27347992380270,0cyclictest29686-1kworker/0:2H11:02:450
27347992355231,0cyclictest32679-1kworker/0:0H08:27:450
27347992340291,0cyclictest29686-1kworker/0:2H10:47:440
27347992318234,0cyclictest32679-1kworker/0:0H07:42:450
27347992264726,0cyclictest9-21ksoftirqd/010:57:450
27347992255607,0cyclictest9-21ksoftirqd/009:07:460
27347992225278,0cyclictest29686-1kworker/0:2H11:27:440
27347992086270,0cyclictest29686-1kworker/0:2H11:37:430
27347992046591,0cyclictest9-21ksoftirqd/008:02:420
27347992014159,0cyclictest29686-1kworker/0:2H12:17:440
27347992010109,0cyclictest32679-1kworker/0:0H07:37:440
27347991978284,0cyclictest29686-1kworker/0:2H12:07:440
27347991910312,0cyclictest29686-1kworker/0:2H10:37:450
27347991877288,0cyclictest29686-1kworker/0:2H12:27:470
27347991868741,0cyclictest1057-21munin-node07:22:450
27347991848274,0cyclictest32679-1kworker/0:0H09:37:440
27347991838622,0cyclictest1595-21jbd2/hda3-808:17:450
27347991832545,0cyclictest930-21latency_hist08:57:430
27347991831669,0cyclictest1595-21jbd2/hda3-812:22:450
27347991826131,0cyclictest32679-1kworker/0:0H07:27:460
27347991805582,0cyclictest9-21ksoftirqd/008:07:450
27347991801747,0cyclictest9-21ksoftirqd/010:02:420
27347991800172,0cyclictest32679-1kworker/0:0H07:47:480
27347991793296,0cyclictest29686-1kworker/0:2H11:17:450
27347991785729,0cyclictest28420-21sendmail_mailtr08:42:460
27347991783249,0cyclictest29686-1kworker/0:2H11:07:430
27347991776109,0cyclictest32679-1kworker/0:0H09:17:450
27347991719493,0cyclictest9-21ksoftirqd/010:22:440
2734799171431,0cyclictest29686-1kworker/0:2H12:05:330
27347991711219,0cyclictest29686-1kworker/0:2H11:57:450
27347991707241,0cyclictest32679-1kworker/0:0H10:07:480
27347991698163,0cyclictest29686-1kworker/0:2H11:22:460
27347991675606,0cyclictest24541-21aten2.4_r8power10:13:000
27347991658626,0cyclictest9-21ksoftirqd/009:42:460
27347991628482,0cyclictest9-21ksoftirqd/010:27:440
27347991627313,0cyclictest29686-1kworker/0:2H11:47:440
27347991617283,0cyclictest32679-1kworker/0:0H08:33:020
27347991608218,0cyclictest29686-1kworker/0:2H11:32:570
27347991596259,0cyclictest32679-1kworker/0:0H10:17:440
27347991508491,0cyclictest1595-21jbd2/hda3-811:45:310
27347991493338,0cyclictest9-21ksoftirqd/008:25:070
27347991487301,0cyclictest29686-1kworker/0:2H10:42:430
27347991460243,0cyclictest32679-1kworker/0:0H07:02:400
27347991454531,0cyclictest5029-21open_inodes09:12:560
27347991448374,0cyclictest1595-21jbd2/hda3-807:20:170
27347991448262,0cyclictest29686-1kworker/0:2H11:12:540
27347991439609,0cyclictest9-21ksoftirqd/009:27:450
27347991438222,0cyclictest32679-1kworker/0:0H08:53:030
27347991436711,0cyclictest9-21ksoftirqd/009:32:570
27347991413495,0cyclictest9-21ksoftirqd/007:55:340
27347991399332,0cyclictest9-21ksoftirqd/007:35:260
273479913871189,0cyclictest32679-1kworker/0:0H08:40:190
27347991381357,0cyclictest9-21ksoftirqd/007:15:260
27347991370399,0cyclictest1595-21jbd2/hda3-810:55:260
27347991368445,0cyclictest9-21ksoftirqd/009:25:180
27347991366363,0cyclictest1595-21jbd2/hda3-808:15:280
273479913361230,0cyclictest29686-1kworker/0:2H11:54:040
27347991322687,0cyclictest9-21ksoftirqd/009:52:580
27347991230232,0cyclictest32679-1kworker/0:0H07:07:460
27347991014665,0cyclictest9-21ksoftirqd/012:12:550
2734799778371,0cyclictest27344-21cyclictest10:33:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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