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2026-03-24 - 14:52
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Tue Mar 24, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502790,0irq/46-4a10000027238-1kworker/u3:007:03:400
7350940,0irq/45-4a10000028196-21/usr/sbin/munin10:11:360
7350940,0irq/45-4a10000017223-1kworker/u3:209:39:120
7450930,0irq/46-4a1000007536-21/usr/sbin/munin09:12:000
29051999353,0cyclictest0-21swapper09:27:060
7450920,0irq/46-4a10000023868-21/usr/sbin/munin08:22:190
29051999270,0cyclictest0-21swapper09:16:540
29051999257,0cyclictest0-21swapper11:41:590
7450910,0irq/46-4a1000007298-1kworker/u3:110:45:440
7450910,0irq/46-4a10000014449-21cut09:31:330
29051999170,0cyclictest0-21swapper07:47:070
29051999159,0cyclictest0-21swapper08:11:490
29051999158,0cyclictest0-21swapper07:57:060
7450900,0irq/46-4a10000028949-21switchtime11:47:150
7450900,0irq/46-4a10000016537-21fw_forwarded_lo11:11:560
7450900,0irq/46-4a10000016459-21fschecks_count08:01:480
7350900,0irq/45-4a10000017710-1kworker/u3:111:17:360
29051999070,0cyclictest0-21swapper12:07:160
29051999057,0cyclictest0-21swapper08:46:480
29051999056,0cyclictest0-21swapper08:52:090
7450890,0irq/46-4a100000808-1kworker/u3:107:20:530
7450890,0irq/46-4a10000031771-21runrttasks11:56:410
7450890,0irq/46-4a10000030079-21runrttasks11:51:460
7450890,0irq/46-4a10000029765-21/usr/sbin/munin07:07:040
7450890,0irq/46-4a1000002848-21fschecks_time07:21:500
7450890,0irq/46-4a10000024233-1kworker/u3:108:27:560
7450890,0irq/46-4a10000022266-21/usr/sbin/munin09:52:210
7450890,0irq/46-4a10000017912-21grep09:41:350
7450890,0irq/46-4a10000012896-21df_abs11:01:420
7450890,0irq/46-4a1000001246-21seq12:01:580
7450890,0irq/46-4a10000011915-21/usr/sbin/munin10:57:190
7350890,0irq/45-4a10000021538-21/usr/sbin/munin08:16:460
29051998958,0cyclictest0-21swapper07:37:050
29051998957,0cyclictest0-21swapper07:32:080
29051998956,0cyclictest0-21swapper09:22:100
7450880,0irq/46-4a1000009862-21memory10:52:060
7450880,0irq/46-4a1000005831-21/usr/sbin/munin09:07:140
7450880,0irq/46-4a1000005718-21munin-run12:16:220
7450880,0irq/46-4a100000367-1kworker/u3:010:25:190
7450880,0irq/46-4a1000002739-21entropy10:31:470
29051998855,0cyclictest0-21swapper08:36:330
29051998854,0cyclictest0-21swapper07:27:080
7450870,0irq/46-4a1000009476-21df_abs07:41:390
7450870,0irq/46-4a1000008172-21memory12:22:070
7450870,0irq/46-4a1000005631-21chrt10:40:470
7450870,0irq/46-4a10000031449-21df_inode07:11:500
7450870,0irq/46-4a10000030590-21/usr/sbin/munin10:17:170
7450870,0irq/46-4a10000030460-21ntp_states08:42:100
7450870,0irq/46-4a10000025738-1kworker/u3:111:41:040
7450870,0irq/46-4a10000020433-21/usr/sbin/munin09:47:170
7450870,0irq/46-4a10000020165-21nfs_client11:22:090
7450870,0irq/46-4a10000017262-1kworker/u3:108:06:310
7450870,0irq/46-4a10000014222-1kworker/u3:111:10:530
29051998753,0cyclictest0-21swapper08:32:040
7450860,0irq/46-4a1000007836-21sed10:46:420
7450860,0irq/46-4a1000006304-21fw_conntrack12:16:520
7450860,0irq/46-4a1000005098-21grep09:02:190
7450860,0irq/46-4a100000460-21snmpd07:54:120
7450860,0irq/46-4a1000002937-21/usr/sbin/munin08:56:570
7450860,0irq/46-4a10000026824-21/usr/sbin/munin10:06:560
7450860,0irq/46-4a10000024632-21/usr/sbin/munin10:02:070
7450860,0irq/46-4a10000023816-21chrt11:32:200
7450860,0irq/46-4a10000021232-21wget11:26:320
7450860,0irq/46-4a10000012568-21seq12:36:220
7450860,0irq/46-4a10000010375-21chrt12:27:400
7450850,0irq/46-4a100000695-21cat10:26:260
7450850,0irq/46-4a10000023109-21wc09:56:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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