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2026-04-08 - 09:33
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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 the 100 highest latencies:
System rackcslot6.osadl.org (updated Wed Apr 08, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183395399365364,1cyclictest0-21swapper/721:43:027
183393199364362,1cyclictest1876866-21kworker/4:122:01:024
183393199363361,1cyclictest1876866-21kworker/4:121:50:024
183390099362360,1cyclictest2136525-21kworker/0:021:11:010
183395399361360,1cyclictest0-21swapper/722:47:017
183390099361360,1cyclictest2136525-21kworker/0:021:20:020
183390099361360,1cyclictest1991805-21kworker/0:022:22:010
183390099360358,1cyclictest0-21swapper/019:15:020
183395399359358,1cyclictest0-21swapper/722:59:027
183395399359358,1cyclictest0-21swapper/722:38:027
183395399359358,1cyclictest0-21swapper/722:20:027
183395399359357,1cyclictest0-21swapper/723:41:017
183395399359357,1cyclictest0-21swapper/723:09:027
183390099359357,1cyclictest2075331-21kworker/0:123:53:010
183395399358357,1cyclictest0-21swapper/700:05:017
183395399358356,1cyclictest1972293-21kworker/7:223:37:017
183395399358356,1cyclictest0-21swapper/700:32:017
183395399358356,1cyclictest0-21swapper/700:04:027
183390099358356,1cyclictest2136525-21kworker/0:021:54:020
183395399357355,1cyclictest0-21swapper/723:59:027
183390099357355,1cyclictest2075331-21kworker/0:100:07:020
183390099357355,1cyclictest0-21swapper/023:28:010
183390099357355,1cyclictest0-21swapper/000:35:020
183390099357354,2cyclictest2136525-21kworker/0:021:34:020
183395399356355,1cyclictest0-21swapper/722:06:027
183395399356355,1cyclictest0-21swapper/721:14:027
183395399355354,1cyclictest0-21swapper/722:04:027
183395399355354,1cyclictest0-21swapper/719:35:017
183395399355354,1cyclictest0-21swapper/700:24:027
183395399355353,1cyclictest0-21swapper/723:52:027
183395399355353,1cyclictest0-21swapper/721:33:017
183395399355352,2cyclictest1972293-21kworker/7:200:11:027
183393199355353,1cyclictest1876866-21kworker/4:120:50:024
183390099355354,1cyclictest2136525-21kworker/0:021:05:010
183390099355354,1cyclictest2136525-21kworker/0:020:40:020
183390099355354,1cyclictest2075331-21kworker/0:123:45:020
183390099355354,1cyclictest0-21swapper/023:05:010
183390099355354,1cyclictest0-21swapper/021:57:020
183390099355353,1cyclictest0-21swapper/000:14:010
183395399354353,1cyclictest0-21swapper/722:11:027
183395399354353,1cyclictest0-21swapper/721:48:027
183395399354353,1cyclictest0-21swapper/721:48:027
183395399354353,1cyclictest0-21swapper/721:25:017
183395399354353,1cyclictest0-21swapper/721:18:027
183395399354352,1cyclictest1972293-21kworker/7:222:51:017
183395399354352,1cyclictest0-21swapper/722:31:017
183390099354353,1cyclictest1972771-21kworker/0:222:05:010
183390099354353,1cyclictest0-21swapper/022:56:010
183395399353352,1cyclictest1972293-21kworker/7:223:46:027
183395399353352,1cyclictest0-21swapper/722:26:027
183395399353351,1cyclictest0-21swapper/723:26:027
183390099353352,1cyclictest1991805-21kworker/0:022:39:020
183390099353352,1cyclictest0-21swapper/023:42:020
183395399352351,1cyclictest1972293-21kworker/7:223:03:027
183395399352351,1cyclictest0-21swapper/700:16:027
183395399352350,1cyclictest1876567-21kworker/7:121:38:027
183390099352351,1cyclictest2136525-21kworker/0:020:15:010
183390099352351,1cyclictest2075331-21kworker/0:100:25:010
183395399351349,1cyclictest1972293-21kworker/7:223:31:027
183395399351349,1cyclictest1972293-21kworker/7:223:23:027
183395399351349,1cyclictest1876567-21kworker/7:121:56:027
183390099351350,1cyclictest2136525-21kworker/0:021:04:010
183390099351350,1cyclictest1972771-21kworker/0:222:13:020
183390099351350,1cyclictest0-21swapper/023:36:010
183390099351350,1cyclictest0-21swapper/023:19:020
183390099351350,1cyclictest0-21swapper/023:19:020
183390099351350,1cyclictest0-21swapper/021:39:010
183390099351350,1cyclictest0-21swapper/021:27:020
183390099351350,1cyclictest0-21swapper/000:03:020
183390099351349,1cyclictest0-21swapper/022:03:010
183390099351349,1cyclictest0-21swapper/021:41:010
183390099351349,1cyclictest0-21swapper/020:00:020
183395399350349,1cyclictest0-21swapper/720:27:027
183395399350348,1cyclictest1972293-21kworker/7:200:28:027
183395399350348,1cyclictest1876567-21kworker/7:121:22:017
183395399350348,1cyclictest0-21swapper/721:01:027
183390099350349,1cyclictest1991805-21kworker/0:022:25:020
183390099350348,1cyclictest0-21swapper/019:10:020
183395399349348,1cyclictest0-21swapper/720:49:017
183395399349348,1cyclictest0-21swapper/720:18:027
183395399349348,1cyclictest0-21swapper/720:05:017
183395399349347,1cyclictest1972293-21kworker/7:223:10:017
183395399349347,1cyclictest1972293-21kworker/7:222:42:017
183390099349348,1cyclictest0-21swapper/022:53:020
183390099349347,1cyclictest2136525-21kworker/0:020:55:020
183395399348347,1cyclictest0-21swapper/720:23:027
183395399348346,2cyclictest1972293-21kworker/7:222:15:017
183395399348346,1cyclictest0-21swapper/720:12:027
183395399348346,1cyclictest0-21swapper/719:16:027
183390099348347,1cyclictest0-21swapper/019:46:010
183395399347346,1cyclictest0-21swapper/720:34:027
183395399347345,1cyclictest1824749-21kworker/7:219:20:017
183395399347345,1cyclictest0-21swapper/721:09:027
183390099347346,1cyclictest2136525-21kworker/0:019:55:020
183390099347345,1cyclictest2136525-21kworker/0:019:25:020
183395399346345,1cyclictest1972293-21kworker/7:223:17:027
183395399346345,1cyclictest1972293-21kworker/7:223:17:017
183395399346344,2cyclictest1824749-21kworker/7:219:50:027
183395399346344,1cyclictest0-21swapper/719:32:017
183390099346345,1cyclictest0-21swapper/019:31:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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