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2025-03-22 - 16:09
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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 376 highest latencies:
System rack4slot2.osadl.org (updated Sat Mar 22, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502200,0irq/45-4a1000001531-21kworker/0:206:55:520
7350920,0irq/45-4a10000022887-21proc_pri11:27:170
7450910,0irq/46-4a1000001062-21df_inode08:25:510
7350910,0irq/45-4a10000066-21hwrng09:47:490
5347999159,0cyclictest0-21swapper08:16:220
5347999059,0cyclictest0-21swapper08:56:130
5347999058,0cyclictest0-21swapper11:10:270
5347999057,0cyclictest0-21swapper10:50:540
7450890,0irq/46-4a10000026126-21wget11:40:200
7450890,0irq/46-4a10000023806-21aten_r4power_vo11:30:300
7350890,0irq/45-4a10000066-21hwrng09:26:230
7350890,0irq/45-4a10000014360-21chrt07:26:520
5347998967,0cyclictest0-21swapper09:45:060
5347998957,0cyclictest0-21swapper10:40:460
5347998956,0cyclictest0-21swapper08:31:080
7350880,0irq/45-4a10000066-21hwrng09:20:360
7350880,0irq/45-4a10000066-21hwrng08:22:010
7350880,0irq/45-4a10000066-21hwrng07:52:000
7350880,0irq/45-4a10000066-21hwrng07:30:580
5347998856,0cyclictest0-21swapper07:20:320
5347998855,0cyclictest0-21swapper11:45:360
7450870,0irq/46-4a1000007642-21if_eth012:26:260
7450870,0irq/46-4a1000006452-21munin-run08:45:050
7450870,0irq/46-4a10000022095-21/usr/sbin/munin09:31:190
5347998755,0cyclictest0-21swapper12:11:070
5347998755,0cyclictest0-21swapper10:20:560
5347998754,0cyclictest0-21swapper08:06:160
5347998754,0cyclictest0-21swapper07:01:160
5347998752,0cyclictest0-21swapper12:20:490
5347998752,0cyclictest0-21swapper12:00:560
7450860,0irq/46-4a1000009054-21runrttasks07:10:520
7450860,0irq/46-4a1000004736-21sh08:40:050
7450860,0irq/46-4a10000031758-21/usr/sbin/munin10:06:170
7450860,0irq/46-4a10000021437-21mailstats07:46:470
7450860,0irq/46-4a1000001442-21sed12:05:330
7350860,0irq/45-4a10000029852-21runrttasks11:50:390
7350860,0irq/45-4a1000001459-1kworker/u3:608:45:320
5347998656,0cyclictest0-21swapper09:51:090
5347998654,0cyclictest0-21swapper09:01:130
103332866,0sleep010352-21aten_r4power_po10:45:270
7450850,0irq/46-4a1000007214-21latency_hist07:05:130
7450850,0irq/46-4a10000028508-21chrt08:10:450
7450850,0irq/46-4a10000018767-21/usr/sbin/munin07:41:060
7450850,0irq/46-4a10000017452-21tune2fs07:35:510
7450850,0irq/46-4a10000015160-21runrttasks09:10:180
7450850,0irq/46-4a10000013692-1kworker/u3:111:06:070
7450850,0irq/46-4a10000013433-21runrttasks09:05:220
7350850,0irq/45-4a10000066-21hwrng11:38:400
7350850,0irq/45-4a1000005474-21sed10:26:170
5347998553,0cyclictest0-21swapper10:30:520
5347998550,0cyclictest0-21swapper08:51:220
249552850,0chrt20878-1kworker/u3:108:00:390
7450840,0irq/46-4a10000029755-21fw_forwarded_lo10:00:460
7450840,0irq/46-4a10000023959-1kworker/u3:307:56:160
7450840,0irq/46-4a10000019566-1kworker/u3:011:18:210
7450840,0irq/46-4a10000017092-21runrttasks09:17:090
7450840,0irq/46-4a10000016643-1kworker/u3:211:20:290
7450840,0irq/46-4a10000015111-21sshd11:01:020
7450840,0irq/46-4a10000014954-21snmpd12:18:560
7450840,0irq/46-4a10000011061-1kworker/u3:207:16:300
7350840,0irq/45-4a1000000-21swapper10:11:390
7450830,0irq/46-4a10000028068-1kworker/u3:109:55:450
7450830,0irq/46-4a1000002174-21runrttasks10:17:010
7450820,0irq/46-4a10000031512-21runrttasks11:57:390
7450820,0irq/46-4a10000013736-21runrttasks10:55:490
7450810,0irq/46-4a1000008182-21chrt10:38:140
7450810,0irq/46-4a10000022813-21runrttasks09:36:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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