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2026-06-07 - 11:43
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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 Sun Jun 07, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502160,0irq/45-4a10000032112-21kworker/0:119:05:110
88112929,0sleep08846-21/usr/sbin/munin22:05:470
7450910,0irq/46-4a10000025742-21chrt21:20:330
7450900,0irq/46-4a1000007913-1kworker/u3:020:35:300
7450900,0irq/46-4a1000007147-21ntpq22:00:460
7450900,0irq/46-4a1000005842-21users20:21:000
7450900,0irq/46-4a10000025921-21nfs4_client22:55:450
244262900,0sleep022375-1kworker/u3:121:15:540
7450890,0irq/46-4a10000031585-21chrt21:36:570
7450890,0irq/46-4a10000029249-21/usr/sbin/munin19:55:400
7450890,0irq/46-4a10000029189-21if_err_eth023:05:340
7450890,0irq/46-4a10000027950-21ls23:00:550
7450890,0irq/46-4a1000002229-21chrt20:10:540
7450890,0irq/46-4a10000017205-21idleruntime19:20:340
7450890,0irq/46-4a10000016873-21/usr/sbin/munin00:05:150
7450890,0irq/46-4a10000016597-21sh19:20:020
7450890,0irq/46-4a10000011662-21/usr/sbin/munin22:15:130
239522890,0sleep016124-1kworker/u3:219:40:270
7450880,0irq/46-4a1000009921-21/usr/sbin/munin23:45:380
7450880,0irq/46-4a10000032449-21tune2fs20:05:260
7450880,0irq/46-4a10000027483-21/usr/sbin/munin00:35:330
7450880,0irq/46-4a10000023879-21seq22:50:240
7450880,0irq/46-4a10000021054-21swap21:05:550
7450880,0irq/46-4a10000015505-21seq22:25:340
7450880,0irq/46-4a10000015120-21/usr/sbin/munin00:00:110
7450880,0irq/46-4a10000014128-21tune2fs19:10:290
7450880,0irq/46-4a10000013336-21/usr/sbin/munin22:21:030
7450880,0irq/46-4a10000011004-1kworker/u3:123:51:380
7450880,0irq/46-4a10000010969-21vmstat22:10:590
28612880,0sleep02703-1kworker/u3:223:24:200
7450870,0irq/46-4a1000008105-1kworker/u3:023:41:520
7450870,0irq/46-4a1000005851-21vmstat21:56:060
7450870,0irq/46-4a1000003032-21latency_hist20:15:060
7450870,0irq/46-4a10000030004-21chrt21:33:010
7450870,0irq/46-4a10000027157-21/usr/sbin/munin21:25:150
7450870,0irq/46-4a10000026894-21awk00:35:010
7450870,0irq/46-4a1000002646-1kworker/u3:221:54:120
7450870,0irq/46-4a10000025241-21latency_hist19:45:060
7450870,0irq/46-4a10000023908-21/usr/sbin/munin00:25:220
7450870,0irq/46-4a10000022437-21seq00:20:410
7450870,0irq/46-4a10000022368-21irqstats19:35:370
7450870,0irq/46-4a10000021011-21awk19:31:020
7450870,0irq/46-4a10000020731-21cat00:15:380
7450870,0irq/46-4a10000020498-21/usr/sbin/munin22:40:270
7450870,0irq/46-4a10000020059-21runrttasks22:40:030
7450870,0irq/46-4a10000018791-21fschecks_count21:00:270
7450870,0irq/46-4a10000015616-21meminfo20:50:410
7450870,0irq/46-4a10000015356-1kworker/u3:022:34:190
7450870,0irq/46-4a10000013984-21runrttasks23:55:460
7450860,0irq/46-4a1000006778-21df_inode20:25:200
7450860,0irq/46-4a1000004778-21chrt23:30:050
7450860,0irq/46-4a100000452-21snmpd19:52:560
7450860,0irq/46-4a1000003283-21ls23:25:160
7450860,0irq/46-4a10000032175-21tr21:40:120
7450860,0irq/46-4a10000031460-21users23:10:580
7450860,0irq/46-4a10000031253-21runrttasks20:00:540
7450860,0irq/46-4a10000023392-21chrt21:14:540
7450860,0irq/46-4a10000022182-21diskstats22:45:230
7450860,0irq/46-4a10000019362-21swap00:10:560
7450860,0irq/46-4a10000018832-21grep19:25:270
7450860,0irq/46-4a10000017853-21runrttasks20:56:260
7450860,0irq/46-4a10000013839-21irqstats20:45:360
7450860,0irq/46-4a10000011632-21aten_r4power_cu20:40:110
7350860,0irq/45-4a1000001454-21aten_r4power_vo21:45:110
7450850,0irq/46-4a1000009801-21latency_hist20:35:030
7450850,0irq/46-4a1000006605-21aten_r4power_vo23:35:140
7450850,0irq/46-4a10000032568-21fw_forwarded_lo23:15:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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