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2026-06-05 - 14:30
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Fri Jun 05, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502450,0irq/46-4a10000026579-1kworker/u3:207:00:320
27095999471,0cyclictest0-21swapper10:44:030
7450930,0irq/46-4a1000005506-21sensors_temp07:34:260
7450930,0irq/46-4a1000003462-21runrttasks12:14:100
7450930,0irq/46-4a10000023547-21cpuspeed10:03:430
7450920,0irq/46-4a1000003535-21nfs_client09:04:140
7450920,0irq/46-4a10000025533-21perl08:33:580
7450920,0irq/46-4a10000022031-21fschecks_count09:58:570
7350920,0irq/45-4a1000009257-1kworker/u3:112:33:070
7350920,0irq/45-4a10000020248-21/usr/sbin/munin11:28:490
295032928,0sleep029526-21fw_conntrack07:08:590
7450910,0irq/46-4a10000032237-21diskstats10:28:530
7450910,0irq/46-4a10000031372-1kworker/u3:010:25:350
7450910,0irq/46-4a10000029540-21chrt11:54:270
7450910,0irq/46-4a10000029471-21grep08:44:260
7450910,0irq/46-4a10000024972-21sendmail08:33:300
7450910,0irq/46-4a10000012740-1kworker/u3:112:00:070
27095999158,0cyclictest0-21swapper07:49:240
7450900,0irq/46-4a1000008061-21aten_r4power_en09:18:410
7450900,0irq/46-4a1000006850-21irqstats09:14:060
7450900,0irq/46-4a1000004884-21df_inode12:18:490
7450900,0irq/46-4a1000003308-21tune2fs10:38:580
7450900,0irq/46-4a10000027655-21/usr/sbin/munin08:39:250
7450900,0irq/46-4a10000026993-21/usr/sbin/munin10:13:450
7450900,0irq/46-4a10000021497-1kworker/u3:011:35:350
7450900,0irq/46-4a10000020445-21fw_forwarded_lo08:19:020
7450900,0irq/46-4a10000018761-21if_eth011:24:060
7450900,0irq/46-4a10000017080-21runrttasks08:09:060
7450900,0irq/46-4a10000013334-21/usr/sbin/munin11:08:470
7450900,0irq/46-4a10000012132-21cat09:29:190
7450900,0irq/46-4a10000011653-21df07:53:460
7450900,0irq/46-4a10000010074-21fschecks_count10:58:570
7350900,0irq/45-4a10000016280-1kworker/u3:208:08:030
27095999060,0cyclictest0-21swapper08:14:040
27095999058,0cyclictest0-21swapper07:59:120
27095999057,0cyclictest0-21swapper08:24:000
27095999056,0cyclictest0-21swapper08:49:230
7450890,0irq/46-4a1000008460-21fschecks_time10:54:000
7450890,0irq/46-4a1000005300-21ntp_states09:09:210
7450890,0irq/46-4a10000032754-21zcat08:54:200
7450890,0irq/46-4a10000032380-21idleruntime12:04:050
7450890,0irq/46-4a10000032148-21cstates07:18:450
7450890,0irq/46-4a1000002969-21aten_r4power_po07:28:440
7450890,0irq/46-4a10000029211-21ntp_kernel_pll_10:19:180
7450890,0irq/46-4a1000002742-21idleruntime-cro12:13:300
7450890,0irq/46-4a10000026664-21pluginstate11:48:310
7450890,0irq/46-4a10000025699-21seq10:09:140
7450890,0irq/46-4a1000002402-1kworker/u3:007:26:170
7450890,0irq/46-4a10000020731-21/usr/sbin/munin09:54:220
7450890,0irq/46-4a10000016930-21grep09:43:550
7450890,0irq/46-4a10000015345-21chrt11:14:050
7450890,0irq/46-4a10000015091-21df_abs09:38:470
7450890,0irq/46-4a10000011747-21fschecks_count11:03:570
7350890,0irq/45-4a10000031087-21mailstats07:14:250
7350890,0irq/45-4a10000027097-21diskstats11:48:530
27095998957,0cyclictest0-21swapper08:59:150
7450880,0irq/46-4a1000009522-21chrt07:48:040
7450880,0irq/46-4a1000007042-21/usr/sbin/munin12:24:240
7450880,0irq/46-4a1000006294-21/usr/sbin/munin10:48:590
7450880,0irq/46-4a10000018506-21sed09:48:490
7450880,0irq/46-4a10000017443-21sensors11:19:260
7450880,0irq/46-4a1000001422-21df_abs10:33:480
7450880,0irq/46-4a10000013563-21tune2fs09:33:580
7450880,0irq/46-4a10000012740-1kworker/u3:111:41:160
7450870,0irq/46-4a1000009721-21/usr/sbin/munin09:23:400
7450870,0irq/46-4a1000005915-1kworker/u3:007:38:360
7450870,0irq/46-4a10000028791-21munin-run07:08:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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