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2026-07-12 - 13:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rack6slot5.osadl.org (updated Sun Jul 12, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319139988494565,4272cyclictest22331-21kworker/0:119:15:340
319139974834153,3316cyclictest22331-21kworker/0:119:14:070
317932777184,203sleep00-21swapper19:09:410
319139954836,451cyclictest1371-21runrttasks00:25:400
31913995455,527cyclictest0-21swapper23:32:330
31913995430,358cyclictest26000-21df_abs21:40:410
319139950964,258cyclictest12162-21diskmemload21:36:300
319139950275,250cyclictest28471-21runrttasks21:45:570
319139948953,413cyclictest14609-21ntp_states21:15:240
319139948138,374cyclictest14864-1kworker/0:2H00:21:230
319139947952,249cyclictest12978-21ssh22:25:170
319139947137,373cyclictest28736-21ssh00:14:400
319139946833,435cyclictest0-21swapper22:12:280
319139946532,433cyclictest0-21swapper20:41:240
319139946052,348cyclictest31513-21ssh21:53:020
31913994601,445cyclictest12162-21diskmemload00:33:530
319139945614,381cyclictest12162-21diskmemload22:22:020
319139945439,356cyclictest0-21swapper19:23:290
319139945354,225cyclictest16870-21ssh22:33:240
31913994501,435cyclictest18961-21ssh22:37:520
319139944854,380cyclictest7332-21ssh23:25:330
31913994461,384cyclictest6176-21fschecks_count23:21:420
319139944487,345cyclictest351950irq/10-yenta23:38:520
319139943956,369cyclictest12162-21diskmemload22:59:560
319139943764,360cyclictest4224-21lldpd23:46:000
31913994374,249cyclictest12162-21diskmemload22:53:100
31913994371,375cyclictest4924-21runrttasks20:35:490
319139943452,87cyclictest19981-21ssh21:26:240
31913994341,373cyclictest2047-21ssh23:13:310
31913994341,373cyclictest0-21swapper20:02:560
31913994334,368cyclictest12162-21diskmemload23:06:050
319139942976,340cyclictest13-21rcuc/020:20:010
31913994232,361cyclictest19919-21ssh23:54:250
319139942040,367cyclictest11-21ksoftirqd/000:08:470
319139941835,369cyclictest5621-21ssh22:07:080
319139941741,94cyclictest3807-21ssh22:04:160
319139941453,186cyclictest12162-21diskmemload23:41:160
319139941253,289cyclictest4285-21lldpd20:30:080
319139941247,352cyclictest13-21rcuc/020:08:340
319139941137,191cyclictest29397-21ssh00:15:380
319139940538,353cyclictest4224-21lldpd23:17:350
319139940037,304cyclictest4924-21runrttasks00:43:020
319139939640,356cyclictest0-21swapper19:39:510
319139939532,363cyclictest0-21swapper00:03:360
319139939452,342cyclictest0-21swapper00:36:140
319139939237,341cyclictest6850-21munin-node19:26:040
319139938974,254cyclictest10002-21apt-get22:17:320
319139938936,32cyclictest32253-21df21:55:290
319139938735,291cyclictest4885-21grep20:50:130
319139938653,156cyclictest9269-21chrt19:34:320
319139938537,348cyclictest0-21swapper19:59:140
31913993832,368cyclictest12162-21diskmemload22:41:590
319139937937,330cyclictest344450irq/10-eth023:02:450
319139937933,346cyclictest0-21swapper22:48:240
319139937533,342cyclictest0-21swapper19:46:300
319139937432,342cyclictest0-21swapper21:22:370
31913993722,357cyclictest897-21jbd2/sda1-821:15:000
31913993671,354cyclictest4355-21sshd20:46:330
319139936532,333cyclictest0-21swapper21:31:470
31913993613,358cyclictest0-21swapper20:57:220
31913993462,344cyclictest0-21swapper20:23:320
31913993452,343cyclictest0-21swapper21:06:150
319139934381,249cyclictest11-21ksoftirqd/023:56:270
319139934379,250cyclictest11-21ksoftirqd/021:00:440
319139933852,286cyclictest0-21swapper20:10:530
319139933764,260cyclictest11-21ksoftirqd/019:41:080
319139933555,266cyclictest15782-21strings19:50:420
319139933464,258cyclictest13-21rcuc/020:25:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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