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2026-05-26 - 22:37
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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 all highest latencies:
System rack4slot2.osadl.org (updated Tue May 26, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509830,0irq/46-4a10000016004-1kworker/u3:106:59:480
567629916,0sleep05690-21/usr/sbin/munin08:04:420
17255999559,0cyclictest0-21swapper09:44:200
17255999259,0cyclictest0-21swapper10:09:310
17255999258,0cyclictest0-21swapper10:29:420
17255999159,0cyclictest0-21swapper07:44:400
17255999158,0cyclictest0-21swapper07:54:380
17255999156,0cyclictest0-21swapper10:14:140
17255999057,0cyclictest0-21swapper09:49:310
17255999057,0cyclictest0-21swapper08:19:480
17255998959,0cyclictest0-21swapper07:09:060
17255998957,0cyclictest0-21swapper08:54:460
17255998957,0cyclictest0-21swapper08:39:460
7350880,0irq/45-4a10000028391-1kworker/u3:207:41:570
17255998856,0cyclictest0-21swapper07:24:400
17255998855,0cyclictest0-21swapper07:29:280
17255998854,0cyclictest0-21swapper10:54:350
17255998767,0cyclictest0-21swapper07:34:440
17255998755,0cyclictest0-21swapper08:49:430
17255998755,0cyclictest0-21swapper07:49:250
17255998753,0cyclictest0-21swapper09:14:180
17255998752,0cyclictest0-21swapper08:14:370
7350860,0irq/45-4a1000007424-21ntp_states08:09:420
7350860,0irq/45-4a10000029991-21head12:24:510
7350860,0irq/45-4a10000024495-21ntpdc08:59:380
17255998664,0cyclictest0-21swapper09:54:310
17255998663,0cyclictest0-21swapper10:59:150
17255998656,0cyclictest0-21swapper11:49:430
17255998653,0cyclictest0-21swapper11:34:200
17255998652,0cyclictest0-21swapper11:39:540
7450850,0irq/46-4a10000024751-21swap10:34:500
7350850,0irq/45-4a1000005354-21diskstats11:14:160
7350850,0irq/45-4a10000018737-21wget11:54:040
17255998564,0cyclictest0-21swapper10:19:430
17255998555,0cyclictest0-21swapper07:59:560
17255998553,0cyclictest0-21swapper09:59:280
17255998551,0cyclictest0-21swapper12:04:330
378228413,0sleep03807-21/usr/sbin/munin11:09:300
17255998461,0cyclictest0-21swapper11:59:200
17255998452,0cyclictest0-21swapper08:44:500
7350830,0irq/45-4a10000026251-1kworker/u3:109:09:500
7350830,0irq/45-4a10000016865-21munin-run11:48:540
17255998348,0cyclictest0-21swapper10:04:270
7450820,0irq/46-4a10000023066-21grep07:19:500
7350820,0irq/45-4a1000005517-21if_err_eth009:39:260
7350820,0irq/45-4a10000029978-21grep10:49:510
70832820,0chrt6565-1kworker/u3:111:19:180
17255998251,0cyclictest0-21swapper08:29:280
17255998249,0cyclictest0-21swapper11:24:270
7350810,0irq/45-4a10000017862-1kworker/u3:207:06:080
17255998148,0cyclictest0-21swapper09:24:110
7450800,0irq/46-4a10000020973-21latency07:14:320
7350800,0irq/45-4a1000003332-21/usr/sbin/munin09:34:420
17255998058,0cyclictest0-21swapper12:14:390
17255998049,0cyclictest0-21swapper11:29:410
7450790,0irq/46-4a10000028254-21grep12:19:490
7350790,0irq/45-4a10000030639-21latency_hist12:28:570
7350790,0irq/45-4a10000025149-1kworker/u3:112:13:200
7350790,0irq/45-4a10000021066-21grep10:24:390
7350790,0irq/45-4a1000002104-21if_err_eth009:29:290
7350780,0irq/45-4a1000001793-21sshd11:04:110
7350780,0irq/45-4a10000012154-21df_inode08:24:140
17255997846,0cyclictest0-21swapper09:04:330
7450770,0irq/46-4a10000031659-21seq09:19:510
7450770,0irq/46-4a10000026077-21chrt10:39:300
153952770,0chrt15025-1kworker/u3:208:34:060
7450760,0irq/46-4a100000460-21snmpd10:48:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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