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2026-06-21 - 02:34
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Sun Jun 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2130599354431,0cyclictest29493-21tune2fs23:56:150
21305992704626,0cyclictest9-21ksoftirqd/019:54:080
21305992670714,0cyclictest21409-21runrttasks18:59:060
213059926162509,0cyclictest0-21swapper23:39:070
21305992475236,0cyclictest4804-1kworker/0:0H21:14:070
21305992449756,0cyclictest6081-21runrttasks21:19:090
21305992435524,0cyclictest9-21ksoftirqd/000:09:100
21305992398628,0cyclictest9-21ksoftirqd/019:14:080
21305992377701,0cyclictest28848-21munin-node22:24:060
21305992375656,0cyclictest9-21ksoftirqd/022:44:070
21305992373488,0cyclictest9-21ksoftirqd/021:44:060
21305992369808,0cyclictest19045-21ls20:24:080
21305992337627,0cyclictest26979-21latency_hist22:19:070
21305992333269,0cyclictest4804-1kworker/0:0H23:44:060
21305992322254,0cyclictest4804-1kworker/0:0H00:04:070
21305992314614,0cyclictest9-21ksoftirqd/019:04:070
21305992314585,0cyclictest9-21ksoftirqd/020:04:070
21305992310268,0cyclictest4804-1kworker/0:0H19:19:080
21305992291265,0cyclictest4804-1kworker/0:0H20:14:070
21305992285582,0cyclictest9-21ksoftirqd/000:14:070
21305992284307,0cyclictest4804-1kworker/0:0H00:19:070
21305992280616,0cyclictest1595-21jbd2/hda3-823:04:070
21305992272468,0cyclictest9-21ksoftirqd/021:54:070
21305992267578,0cyclictest9-21ksoftirqd/023:59:060
21305992261481,0cyclictest9-21ksoftirqd/021:04:060
21305992259654,0cyclictest32384-21ls22:34:070
21305992246142,0cyclictest8806-21munin-node22:59:060
21305992236275,0cyclictest4804-1kworker/0:0H20:19:070
21305992217594,0cyclictest9-21ksoftirqd/022:54:070
21305992216715,0cyclictest14128-21latency_hist23:14:060
21305992190260,0cyclictest4804-1kworker/0:0H20:59:080
21305992088338,0cyclictest4804-1kworker/0:0H23:19:070
21305992039228,0cyclictest4804-1kworker/0:0H20:39:080
21305991959210,0cyclictest4804-1kworker/0:0H21:59:070
21305991949124,0cyclictest4804-1kworker/0:0H23:34:070
213059919331839,0cyclictest0-21swapper23:54:040
21305991877264,0cyclictest4804-1kworker/0:0H19:59:070
21305991873763,0cyclictest4903-21latency_hist19:44:080
21305991855538,0cyclictest9-21ksoftirqd/021:09:110
21305991840284,0cyclictest4804-1kworker/0:0H18:59:030
21305991823619,0cyclictest9616-21which21:29:110
21305991800285,0cyclictest4804-1kworker/0:0H19:09:110
2130599176591,0cyclictest4804-1kworker/0:0H22:39:070
21305991747251,0cyclictest4804-1kworker/0:0H22:09:120
21305991722576,0cyclictest9-21ksoftirqd/020:49:120
21305991706747,0cyclictest25298-21ls22:14:050
21305991687521,0cyclictest1595-21jbd2/hda3-821:36:360
21305991672544,0cyclictest9-21ksoftirqd/022:29:110
213059916551159,0cyclictest4804-1kworker/0:0H21:26:320
213059916451380,0cyclictest4804-1kworker/0:0H21:51:270
21305991635670,0cyclictest23896-21fschecks_time20:36:410
2130599160328,0cyclictest4804-1kworker/0:0H23:26:360
21305991583581,0cyclictest9-21ksoftirqd/000:24:100
21305991582371,0cyclictest9-21ksoftirqd/020:56:250
21305991574243,0cyclictest4804-1kworker/0:0H22:49:100
213059915681456,0cyclictest4804-1kworker/0:0H21:39:480
21305991558570,0cyclictest20717-21fschecks_time23:31:270
213059915441156,0cyclictest4804-1kworker/0:0H20:46:370
213059915041160,0cyclictest4804-1kworker/0:0H19:31:390
21305991501325,0cyclictest9-21ksoftirqd/022:06:190
21305991479335,0cyclictest13637-21perl23:11:270
2130599147329,0cyclictest4804-1kworker/0:0H19:41:420
21305991457206,0cyclictest4804-1kworker/0:0H19:49:110
21305991412484,0cyclictest9-21ksoftirqd/019:36:360
21305991394388,0cyclictest9-21ksoftirqd/020:31:460
21305991350283,0cyclictest9-21ksoftirqd/020:11:300
21305991322287,0cyclictest9-21ksoftirqd/019:26:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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