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2026-03-14 - 18:22
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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 highest latencies:
System rack4slot2.osadl.org (updated Sat Mar 14, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502340,0irq/46-4a1000004285-1kworker/u3:007:01:490
6904999857,0cyclictest0-21swapper11:42:210
6904999561,0cyclictest0-21swapper08:36:550
6904999360,0cyclictest0-21swapper08:42:160
6904999359,0cyclictest0-21swapper11:32:370
7450920,0irq/46-4a100000460-21snmpd10:21:560
6904999069,0cyclictest0-21swapper10:02:370
6904999057,0cyclictest0-21swapper11:57:390
6904999057,0cyclictest0-21swapper08:57:200
6904999056,0cyclictest0-21swapper07:47:410
7350890,0irq/45-4a10000021147-1kworker/u3:212:36:020
6904998957,0cyclictest0-21swapper09:37:330
6904998956,0cyclictest0-21swapper08:07:380
6904998956,0cyclictest0-21swapper07:17:230
7350880,0irq/45-4a10000016003-1kworker/u3:110:43:540
6904998867,0cyclictest0-21swapper10:52:360
6904998855,0cyclictest0-21swapper10:07:390
6904998855,0cyclictest0-21swapper07:36:580
6904998854,0cyclictest0-21swapper09:32:120
6904998755,0cyclictest0-21swapper07:42:350
6904998754,0cyclictest0-21swapper07:22:400
6904998753,0cyclictest0-21swapper12:22:200
7350860,0irq/45-4a10000022689-21runrttasks09:25:210
7350860,0irq/45-4a10000014765-21df_inode10:37:030
6904998656,0cyclictest0-21swapper11:52:400
6904998655,0cyclictest0-21swapper07:12:290
6904998653,0cyclictest0-21swapper08:02:450
7350850,0irq/45-4a1000007724-1kworker/u3:007:11:280
7350850,0irq/45-4a10000019588-21/usr/sbin/munin09:17:340
7350850,0irq/45-4a10000017240-21runrttasks07:32:480
7350850,0irq/45-4a10000012-21ksoftirqd/009:57:140
6904998564,0cyclictest0-21swapper12:12:300
6904998552,0cyclictest0-21swapper08:12:200
6904998551,0cyclictest0-21swapper08:47:070
6904998550,0cyclictest0-21swapper11:07:240
125452850,0sleep011321-1kworker/u3:108:56:240
7450840,0irq/46-4a10000030367-21sed09:47:210
7450840,0irq/46-4a10000025979-1kworker/u3:208:00:570
6904998463,0cyclictest0-21swapper09:52:300
6904998462,0cyclictest0-21swapper07:27:310
6904998458,0cyclictest0-21swapper10:31:540
6904998455,0cyclictest0-21swapper11:37:260
6904998452,0cyclictest0-21swapper12:17:350
6904998452,0cyclictest0-21swapper09:01:590
6904998451,0cyclictest0-21swapper08:22:350
7450830,0irq/46-4a1000005649-1kworker/u3:208:36:120
7450830,0irq/46-4a10000029045-21ls09:42:380
7450830,0irq/46-4a10000027491-21awk11:12:440
7450830,0irq/46-4a10000024583-21idleruntime-cro11:06:440
7450830,0irq/46-4a10000023551-21grep09:27:210
7450830,0irq/46-4a10000019616-21wget12:26:530
7450830,0irq/46-4a10000018463-21/usr/sbin/munin09:12:260
7450830,0irq/46-4a10000016539-21fschecks_time09:07:100
7350830,0irq/45-4a1000004071-21modprobe08:31:450
6904998354,0cyclictest0-21swapper12:02:420
7450820,0irq/46-4a1000007944-21diskstats10:17:070
7450820,0irq/46-4a1000007011-21runrttasks10:12:570
7450820,0irq/46-4a1000006859-21awk11:47:410
7450820,0irq/46-4a10000031625-21wget08:16:560
7450820,0irq/46-4a10000028315-21seq11:16:580
7450820,0irq/46-4a10000021588-21sed10:57:040
7450820,0irq/46-4a10000017954-21aten_r4power_po10:46:560
7450820,0irq/46-4a10000017299-1kworker/u3:207:52:080
7450820,0irq/46-4a10000012769-21cut12:06:530
7450810,0irq/46-4a10000011394-21fschecks_count10:27:110
6904998161,0cyclictest0-21swapper11:22:190
7450800,0irq/46-4a10000031941-21fschecks_time11:27:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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