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2026-08-07 - 15:16
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot2.osadl.org (updated Fri Aug 07, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501890,0irq/46-4a10000026719-21/usr/sbin/munin07:05:290
278499912545,0cyclictest0-21swapper08:25:400
278499910856,0cyclictest0-21swapper08:45:440
278499910451,0cyclictest0-21swapper11:05:330
27849999845,0cyclictest0-21swapper09:15:520
27849999269,0cyclictest0-21swapper09:50:300
27849999260,0cyclictest0-21swapper10:05:570
27849999158,0cyclictest0-21swapper07:55:460
27849999068,0cyclictest0-21swapper07:50:570
27849999057,0cyclictest0-21swapper09:55:500
27849999057,0cyclictest0-21swapper09:05:350
27849999057,0cyclictest0-21swapper07:35:450
27849999056,0cyclictest0-21swapper08:55:470
27849998958,0cyclictest0-21swapper08:15:510
27849998957,0cyclictest0-21swapper12:05:590
27849998957,0cyclictest0-21swapper10:10:410
27849998957,0cyclictest0-21swapper08:51:000
27849998956,0cyclictest0-21swapper09:25:460
27849998955,0cyclictest0-21swapper11:31:040
27849998857,0cyclictest0-21swapper08:10:520
27849998856,0cyclictest0-21swapper07:30:330
27849998755,0cyclictest0-21swapper07:10:570
27849998754,0cyclictest0-21swapper11:25:220
27849998754,0cyclictest0-21swapper10:15:320
7350860,0irq/45-4a1000008190-21seq09:20:140
27849998555,0cyclictest0-21swapper07:26:020
27849998554,0cyclictest0-21swapper12:16:010
27849998553,0cyclictest0-21swapper12:30:440
27849998553,0cyclictest0-21swapper11:55:510
7350840,0irq/45-4a10000020477-21fw_conntrack08:20:350
27849998454,0cyclictest0-21swapper08:30:500
27849998452,0cyclictest0-21swapper08:35:340
27849998452,0cyclictest0-21swapper07:45:230
7350830,0irq/45-4a1000007935-21modprobe10:55:000
27849998351,0cyclictest0-21swapper08:05:530
27849998349,0cyclictest0-21swapper10:25:560
27849998349,0cyclictest0-21swapper07:16:120
7350820,0irq/45-4a10000029040-21fw_forwarded_lo10:20:400
27849998259,0cyclictest0-21swapper11:10:450
27849998249,0cyclictest0-21swapper11:45:210
7350810,0irq/45-4a1000003450-21if_eth010:40:420
7350810,0irq/45-4a10000014137-21/usr/sbin/munin08:01:140
27849998150,0cyclictest0-21swapper10:31:000
7350800,0irq/45-4a10000030578-21df_inode12:00:240
7350800,0irq/45-4a10000023465-21cut11:40:110
27849998059,0cyclictest0-21swapper11:35:540
27849998057,0cyclictest0-21swapper11:15:090
27849998049,0cyclictest0-21swapper12:36:000
7350790,0irq/45-4a100000491-21runrttasks11:22:150
7350790,0irq/45-4a1000002838-21sendmail-msp10:40:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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