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2026-03-31 - 02:02
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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 Tue Mar 31, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501990,0irq/46-4a1000002041-21runrttasks19:01:110
1507228811,0sleep015073-21fw_forwarded_lo21:11:420
7350850,0irq/45-4a1000006279-21df20:46:230
7350800,0irq/45-4a1000007997-21df22:26:240
7350800,0irq/45-4a1000004142-21seq19:06:320
7350800,0irq/45-4a10000024841-21latency_hist23:16:110
7350800,0irq/45-4a10000024096-21threads23:12:020
7450790,0irq/46-4a1000002498-1kworker/u3:023:51:340
7450790,0irq/46-4a1000002498-1kworker/u3:023:46:590
7350790,0irq/45-4a10000028367-21wget21:51:200
132032795,0sleep013206-21df_inode19:31:280
7450780,0irq/46-4a100000650-1kworker/u3:123:42:090
7450780,0irq/46-4a1000004994-1kworker/u3:022:21:450
7450780,0irq/46-4a100000460-21snmpd19:12:290
7450780,0irq/46-4a10000011440-21df_abs19:26:250
7350780,0irq/45-4a10000023790-21missed_timers21:36:520
7450770,0irq/46-4a1000007381-1kworker/u3:021:02:180
7450770,0irq/46-4a100000460-21snmpd20:17:550
7450770,0irq/46-4a10000021625-21cstates21:31:210
7450770,0irq/46-4a10000013277-21sshd22:41:320
7450770,0irq/46-4a10000010939-21runrttasks22:35:090
7450770,0irq/46-4a10000010869-1kworker/u3:222:36:550
7350770,0irq/45-4a100000460-21snmpd21:23:280
7450760,0irq/46-4a100000707-1kworker/u3:020:36:530
7450760,0irq/46-4a10000024710-1kworker/u3:021:41:480
7450760,0irq/46-4a10000019319-1kworker/u3:021:27:340
7450760,0irq/46-4a10000014175-1kworker/u3:119:46:280
7450760,0irq/46-4a10000014175-1kworker/u3:119:41:100
7350760,0irq/45-4a10000020056-21diskstats23:01:290
64112760,0chrt5476-1kworker/u3:123:56:310
3664997652,0cyclictest0-21swapper23:06:170
7450750,0irq/46-4a1000007637-21kworker/u2:221:11:070
7450750,0irq/46-4a1000007381-1kworker/u3:021:00:220
7450750,0irq/46-4a1000007381-1kworker/u3:020:52:020
7450750,0irq/46-4a100000707-1kworker/u3:020:31:320
7450750,0irq/46-4a100000588-21runrttasks22:04:190
7450750,0irq/46-4a1000004272-1kworker/u3:219:21:280
7450750,0irq/46-4a10000027955-21seq20:14:360
7450750,0irq/46-4a10000027892-1kworker/u3:200:06:230
7450750,0irq/46-4a10000020044-21diskstats19:51:310
7450750,0irq/46-4a10000016200-1kworker/u3:123:32:000
7450750,0irq/46-4a10000016026-1kworker/u3:100:32:000
7450750,0irq/46-4a10000016026-1kworker/u3:100:28:350
7450750,0irq/46-4a10000014175-1kworker/u3:119:36:550
7450750,0irq/46-4a10000012756-1kworker/u3:200:22:290
7350750,0irq/45-4a10000026864-21df_abs23:21:270
7350750,0irq/45-4a10000016340-21aten_r4power_cu22:51:170
175062750,0sleep012391-1kworker/u3:121:17:490
7450740,0irq/46-4a1000007811-21/usr/sbin/munin00:01:340
7450740,0irq/46-4a100000460-21snmpd19:57:470
7450740,0irq/46-4a100000405-1kworker/u3:022:06:430
7450740,0irq/46-4a10000028391-1kworker/u3:020:23:190
7450740,0irq/46-4a10000027892-1kworker/u3:223:26:590
7450740,0irq/46-4a1000002207-1kworker/u3:222:16:230
7450740,0irq/46-4a1000002207-1kworker/u3:222:11:230
7450740,0irq/46-4a10000018335-1kworker/u3:020:06:430
7450740,0irq/46-4a10000015872-21chrt22:48:340
7450740,0irq/46-4a10000012350-21chrt00:12:380
321772740,0sleep031260-1kworker/u3:023:36:390
7450730,0irq/46-4a1000009083-1kworker/u3:022:56:200
7450730,0irq/46-4a1000004176-1kworker/u3:120:41:290
7450730,0irq/46-4a10000031289-1kworker/u3:120:26:240
7450730,0irq/46-4a10000029622-1kworker/u3:221:56:180
7450730,0irq/46-4a10000024710-1kworker/u3:021:46:360
7450730,0irq/46-4a1000002218-1kworker/u3:119:16:180
7450730,0irq/46-4a10000012756-1kworker/u3:200:16:410
7450720,0irq/46-4a10000018335-1kworker/u3:020:02:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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