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2026-06-22 - 19:45
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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 Mon Jun 22, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502040,0irq/45-4a10000012741-21kworker/0:207:05:070
7450960,0irq/46-4a10000021293-21runrttasks12:10:220
7450950,0irq/46-4a10000015559-21sendmail-msp10:19:590
14959999573,0cyclictest0-21swapper08:45:060
7450940,0irq/46-4a1000007754-21nfs4_client11:30:330
7450940,0irq/46-4a10000011136-21meminfo10:05:280
7450930,0irq/46-4a100000438-21snmpd09:06:210
7450930,0irq/46-4a10000019384-21diskstats10:30:110
7450930,0irq/46-4a10000012447-21runrttasks08:35:040
7450930,0irq/46-4a1000001136-21/usr/sbin/munin09:35:400
7350930,0irq/45-4a10000032726-21/usr/sbin/munin11:10:480
7350930,0irq/45-4a10000023805-1kworker/u3:012:18:530
14959999360,0cyclictest0-21swapper08:00:270
7450920,0irq/46-4a1000008714-21sendmail-msp10:00:250
7450920,0irq/46-4a1000007947-21awk08:20:440
7450920,0irq/46-4a1000006003-21meminfo11:25:250
7450920,0irq/46-4a100000438-21snmpd07:45:420
7450920,0irq/46-4a1000003966-21sed11:20:070
7450920,0irq/46-4a10000032414-21chrt07:58:210
7450920,0irq/46-4a10000029212-21sendmail-msp11:00:210
7450920,0irq/46-4a10000026997-21runrttasks12:25:490
7450920,0irq/46-4a10000024793-21load07:35:250
7450920,0irq/46-4a10000024652-21fw_forwarded_lo09:10:200
7450920,0irq/46-4a10000023543-21unixbench_singl07:30:460
7450920,0irq/46-4a10000021430-21/usr/sbin/munin10:35:330
7450920,0irq/46-4a10000019090-21/usr/sbin/munin07:20:480
7450920,0irq/46-4a10000014537-21meminfo10:15:270
7450920,0irq/46-4a10000010418-21sendmail-msp11:39:530
7450920,0irq/46-4a10000010062-21runrttasks11:37:100
229552920,0sleep022057-1kworker/u3:010:40:210
1691129210,0sleep016954-21basename07:14:580
14959999258,0cyclictest0-21swapper08:05:220
7450910,0irq/46-4a1000009537-21ntp_states08:25:370
7450910,0irq/46-4a1000008013-21wc09:55:390
7450910,0irq/46-4a1000006036-21grep08:15:310
7450910,0irq/46-4a100000438-21snmpd07:25:280
7450910,0irq/46-4a1000003893-21ls08:10:040
7450910,0irq/46-4a1000003705-21/usr/sbin/munin09:45:430
7450910,0irq/46-4a10000031880-21seq09:30:380
7450910,0irq/46-4a10000026353-21grep07:40:170
7450910,0irq/46-4a10000026106-21df09:15:020
7450910,0irq/46-4a10000024413-21df12:20:040
7450910,0irq/46-4a10000024172-21cut10:44:500
7450910,0irq/46-4a1000001886-21sendmail-msp09:40:120
7450910,0irq/46-4a10000017464-21aten_r4power_vo08:49:590
7450910,0irq/46-4a10000015454-21runrttasks08:44:150
7450910,0irq/46-4a10000013766-21runrttasks10:14:350
14959999158,0cyclictest0-21swapper07:10:270
7450900,0irq/46-4a1000003592-21sendmail-msp11:19:510
7450900,0irq/46-4a10000031935-21chrt11:05:410
7450900,0irq/46-4a10000030272-21/usr/sbin/munin12:35:410
7450900,0irq/46-4a10000028751-21runrttasks10:56:180
7450900,0irq/46-4a10000027895-21sed12:30:050
7450900,0irq/46-4a10000026793-21expr10:50:430
7450900,0irq/46-4a10000021271-21ls09:00:260
7450900,0irq/46-4a10000019557-21if_err_eth008:55:210
7450900,0irq/46-4a10000018666-21runrttasks10:27:290
7450900,0irq/46-4a10000017463-21aten_r4power_vo12:00:000
7450900,0irq/46-4a10000016714-21users11:55:480
7450900,0irq/46-4a10000015002-21users11:50:450
7450900,0irq/46-4a10000012697-21fw_packets11:45:180
7450900,0irq/46-4a10000011051-21irqstats08:30:220
697529010,0sleep06990-21munin-run09:54:470
7450890,0irq/46-4a100000438-21snmpd07:50:460
7450890,0irq/46-4a10000029269-21grep09:24:500
14959998958,0cyclictest0-21swapper09:25:000
7450880,0irq/46-4a10000019964-21sensors12:05:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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