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2026-06-10 - 01:54
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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 Wed Jun 10, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502740,0irq/46-4a10000012-21ksoftirqd/019:07:100
139952950,0sleep011031-1kworker/u3:123:50:460
30232940,0sleep01092-1kworker/u3:021:45:070
136182940,0sleep013045-1kworker/u3:020:40:270
7350910,0irq/45-4a10000020841-21grep21:00:470
7450900,0irq/46-4a100000523-21sed23:10:510
193702900,0sleep015983-1kworker/u3:220:56:050
7450890,0irq/46-4a1000009637-21sendmail-msp23:39:560
7450890,0irq/46-4a10000031073-21sendmail_mailtr19:55:460
7450890,0irq/46-4a10000018622-21fschecks_count22:30:190
7450890,0irq/46-4a10000016510-21wc23:59:570
7450890,0irq/46-4a10000014562-1kworker/u3:022:18:490
201932895,0sleep020194-21df19:25:080
7450880,0irq/46-4a1000003214-21/usr/sbin/munin20:10:180
7450880,0irq/46-4a10000028900-21sshd19:50:210
7450880,0irq/46-4a10000028062-1kworker/u3:122:57:250
7450880,0irq/46-4a10000027524-21ntpq19:45:430
7450880,0irq/46-4a10000025715-21memory22:50:350
7450880,0irq/46-4a10000022304-21seq21:05:370
7450880,0irq/46-4a10000017762-1kworker/u3:122:35:570
7450880,0irq/46-4a10000015159-21df_inode20:45:120
7450870,0irq/46-4a1000009954-21df_abs20:30:130
7450870,0irq/46-4a1000008940-21/usr/sbin/munin22:00:500
7450870,0irq/46-4a1000008507-21if_err_eth020:25:270
7450870,0irq/46-4a1000005528-21ls20:15:510
7450870,0irq/46-4a1000003629-21/usr/sbin/munin23:20:440
7450870,0irq/46-4a10000028834-21df_inode23:00:140
7450870,0irq/46-4a10000026951-21runrttasks00:30:060
7450870,0irq/46-4a10000026506-21seq19:43:290
7450870,0irq/46-4a10000025348-21df00:25:110
7450870,0irq/46-4a10000023681-21/usr/sbin/munin22:45:120
7450870,0irq/46-4a10000022395-21/usr/sbin/munin19:30:440
7450870,0irq/46-4a10000020442-21perl00:10:230
7450870,0irq/46-4a10000019879-1kworker/u3:021:16:570
7450870,0irq/46-4a10000016531-21munin-node19:15:200
7450870,0irq/46-4a10000015148-21/usr/sbin/munin22:20:140
7450870,0irq/46-4a1000001487-21chrt23:15:140
7450860,0irq/46-4a1000009771-21/usr/sbin/munin22:05:040
7450860,0irq/46-4a1000004604-21sort23:24:580
7450860,0irq/46-4a100000452-21snmpd21:43:280
7450860,0irq/46-4a10000032265-21/usr/sbin/munin21:35:190
7450860,0irq/46-4a10000030148-21sendmail-msp00:39:550
7450860,0irq/46-4a10000026647-1kworker/u3:221:22:570
7450860,0irq/46-4a10000024027-21ls21:10:370
7450860,0irq/46-4a10000023695-21seq19:35:160
7450860,0irq/46-4a10000022147-21cut22:40:220
7450860,0irq/46-4a1000002214-21sed20:05:490
7450860,0irq/46-4a10000017665-21users00:00:550
7450860,0irq/46-4a10000017448-21sensors20:50:480
7450860,0irq/46-4a10000014269-1kworker/u3:000:19:100
7450860,0irq/46-4a10000012073-21ls22:10:390
7450860,0irq/46-4a10000011894-21fw_forwarded_lo20:35:270
298342860,0chrt29708-1kworker/u3:021:27:420
7450850,0irq/46-4a1000007024-21open_files21:55:440
7450850,0irq/46-4a1000006927-21memory23:30:350
7450850,0irq/46-4a1000006771-21sshd20:20:230
7450850,0irq/46-4a10000030750-21seq21:30:320
7450850,0irq/46-4a10000030722-21if_err_eth023:05:280
7450850,0irq/46-4a10000024588-21runrttasks00:21:300
7450850,0irq/46-4a10000019899-21ls00:09:550
7450850,0irq/46-4a10000019263-21sed19:20:520
7450850,0irq/46-4a10000017392-21grep22:25:450
7450850,0irq/46-4a10000013098-21cut23:49:560
7350850,0irq/45-4a10000014678-21fschecks_time19:10:200
7450840,0irq/46-4a1000009760-21aten_r4power_cu23:40:040
7450840,0irq/46-4a1000004910-21diskstats21:50:150
7450840,0irq/46-4a10000032043-21aten_r4power_vo20:00:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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