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2025-12-11 - 16:41
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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 Thu Dec 11, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502410,0irq/46-4a10000010883-1kworker/u3:107:05:230
11293999259,0cyclictest0-21swapper10:23:380
11293999256,0cyclictest0-21swapper07:13:460
11293999158,0cyclictest0-21swapper11:38:370
11293999157,0cyclictest0-21swapper10:03:020
11293999157,0cyclictest0-21swapper09:33:130
11293999070,0cyclictest0-21swapper11:43:490
11293999068,0cyclictest0-21swapper09:02:490
11293999057,0cyclictest0-21swapper09:43:240
7350890,0irq/45-4a10000023726-21sshd12:23:530
11293998968,0cyclictest0-21swapper08:28:370
11293998958,0cyclictest0-21swapper08:43:340
7350880,0irq/45-4a10000025698-1kworker/u3:010:59:490
7350880,0irq/45-4a10000020505-1kworker/u3:111:13:050
11293998857,0cyclictest0-21swapper10:43:360
11293998852,0cyclictest0-21swapper09:18:080
11293998765,0cyclictest0-21swapper10:17:550
11293998758,0cyclictest0-21swapper09:48:020
11293998756,0cyclictest0-21swapper11:33:360
11293998756,0cyclictest0-21swapper11:17:470
11293998755,0cyclictest0-21swapper07:18:100
11293998754,0cyclictest0-21swapper07:22:420
7350860,0irq/45-4a10000029191-1kworker/u3:011:11:210
7350860,0irq/45-4a10000017328-21date10:32:350
7350860,0irq/45-4a10000014351-21df_inode11:58:010
11293998653,0cyclictest0-21swapper10:12:560
11293998651,0cyclictest0-21swapper12:18:370
262392857,0sleep025591-21apt-get07:48:360
11293998562,0cyclictest0-21swapper08:23:250
11293998553,0cyclictest0-21swapper12:13:160
11293998552,0cyclictest0-21swapper11:53:230
7450840,0irq/46-4a10000022186-21sendmail-msp07:37:340
7450840,0irq/46-4a10000015631-21wget08:52:520
7350840,0irq/45-4a100000443-21snmpd09:54:480
7350840,0irq/45-4a10000030448-1kworker/u3:108:03:350
165522840,0sleep015966-1kworker/u3:312:04:180
11293998463,0cyclictest0-21swapper07:28:090
11293998453,0cyclictest0-21swapper10:48:480
11293998452,0cyclictest0-21swapper09:23:400
11293998449,0cyclictest0-21swapper12:33:190
7450830,0irq/46-4a1000005766-21seq09:58:250
7350830,0irq/45-4a10000028663-1kworker/u3:007:55:530
11293998362,0cyclictest0-21swapper08:07:530
11293998358,0cyclictest0-21swapper10:10:560
11293998353,0cyclictest0-21swapper08:38:280
11293998348,0cyclictest0-21swapper10:28:310
7450820,0irq/46-4a10000024946-21missed_timers12:28:210
7350820,0irq/45-4a10000021898-1kworker/u3:207:39:300
11293998251,0cyclictest0-21swapper07:42:510
11293998250,0cyclictest0-21swapper08:13:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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