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2026-01-08 - 20:47
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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 all highest latencies:
System rack4slot2.osadl.org (updated Thu Jan 08, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73504780,0irq/45-4a10000012180-21kworker/0:407:04:330
13684999353,0cyclictest0-21swapper09:39:390
7350920,0irq/45-4a10000010521-21/usr/sbin/munin11:49:490
7350910,0irq/45-4a10000016767-21memory07:15:260
13684999158,0cyclictest0-21swapper12:00:130
13684999059,0cyclictest0-21swapper10:10:070
13684999058,0cyclictest0-21swapper09:51:030
13684999057,0cyclictest0-21swapper12:10:060
13684999057,0cyclictest0-21swapper09:05:040
13684999056,0cyclictest0-21swapper11:19:580
13684999056,0cyclictest0-21swapper08:14:500
13684998959,0cyclictest0-21swapper12:34:340
13684998957,0cyclictest0-21swapper08:35:180
13684998956,0cyclictest0-21swapper08:10:010
13684998856,0cyclictest0-21swapper08:49:460
13684998856,0cyclictest0-21swapper08:29:450
13684998855,0cyclictest0-21swapper10:24:570
7350870,0irq/45-4a1000002050-21idleruntime11:25:230
13684998766,0cyclictest0-21swapper10:20:100
13684998757,0cyclictest0-21swapper07:34:280
13684998755,0cyclictest0-21swapper07:55:190
13684998752,0cyclictest0-21swapper07:30:090
7350860,0irq/45-4a1000004459-1kworker/u3:011:34:500
7350860,0irq/45-4a10000025156-1kworker/u3:011:02:400
7350860,0irq/45-4a10000016059-1kworker/u3:012:14:220
13684998657,0cyclictest0-21swapper07:09:440
13684998654,0cyclictest0-21swapper07:59:470
7350850,0irq/45-4a10000017982-21sed08:55:190
73562846,0sleep07367-21modprobe10:04:140
34232846,0sleep03426-21df11:29:370
321082840,0sleep032088-1kworker/u3:109:38:140
272942846,0sleep0460-21snmpd09:24:310
13684998464,0cyclictest0-21swapper10:30:100
13684998451,0cyclictest0-21swapper07:20:080
7450830,0irq/46-4a10000025235-21seq07:39:560
7350830,0irq/45-4a10000012-21ksoftirqd/007:45:020
62502830,0sleep04575-1kworker/u3:108:21:560
13684998354,0cyclictest0-21swapper10:45:040
13684998352,0cyclictest0-21swapper07:24:510
13684998350,0cyclictest0-21swapper08:24:290
122812836,0sleep012282-21fw_forwarded_lo08:39:510
7450820,0irq/46-4a10000027613-21kworker/u2:808:44:470
7450820,0irq/46-4a10000024158-21tune2fs09:14:440
7450820,0irq/46-4a1000001641-21/usr/sbin/munin09:44:430
7350820,0irq/45-4a10000012-21ksoftirqd/010:14:310
13684998252,0cyclictest0-21swapper10:34:480
13684998242,0cyclictest0-21swapper11:39:510
87172810,0chrt7065-1kworker/u3:110:06:150
7450810,0irq/46-4a10000029454-21if_eth009:29:530
7350810,0irq/45-4a10000029242-21runrttasks07:50:400
7350810,0irq/45-4a10000020371-21runrttasks12:19:230
7350810,0irq/45-4a1000001131-1kworker/u3:108:07:470
13684998147,0cyclictest0-21swapper08:59:500
7450800,0irq/46-4a100000460-21snmpd10:41:550
7450800,0irq/46-4a100000460-21snmpd09:21:210
7450800,0irq/46-4a10000029339-21irqstats11:09:540
7450800,0irq/46-4a10000023578-21grep10:50:030
7450800,0irq/46-4a10000012411-21missed_timers11:55:030
7350800,0irq/45-4a10000025382-21modprobe12:34:140
7350800,0irq/45-4a10000023664-21latency_hist09:14:150
7450790,0irq/46-4a10000030544-21aten_r4power_cu11:14:280
7450790,0irq/46-4a10000022393-21df_inode12:24:400
7450790,0irq/46-4a10000015499-21df12:04:370
7450780,0irq/46-4a1000008660-21sed11:44:380
7450780,0irq/46-4a10000026888-1kworker/u3:211:04:370
7450780,0irq/46-4a10000024743-21runrttasks10:55:120
7450770,0irq/46-4a1000005158-21runrttasks09:55:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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