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2026-07-05 - 00:39
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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 highest latencies:
System rack6slot5.osadl.org (updated Sat Jul 04, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1792699112535979,5271cyclictest6445-21kworker/0:107:12:550
179269991054701,4393cyclictest6445-21kworker/0:107:37:560
179269989654635,4320cyclictest6445-21kworker/0:107:55:180
179269985524425,4117cyclictest6445-21kworker/0:108:30:330
179269984454456,3978cyclictest6445-21kworker/0:108:08:270
179269979404172,3718cyclictest6445-21kworker/0:108:00:120
179269978084125,3633cyclictest6445-21kworker/0:108:36:550
179269973323917,3411cyclictest6445-21kworker/0:107:23:300
179269971433773,3328cyclictest20732-21kworker/0:209:06:480
179269968323670,3158cyclictest20732-21kworker/0:208:46:450
179269968143658,3145cyclictest6445-21kworker/0:107:32:410
179269967933750,3039cyclictest6445-21kworker/0:107:16:030
179269967723638,3123cyclictest6445-21kworker/0:107:49:230
179269965523481,3057cyclictest6445-21kworker/0:107:53:420
179269962413373,2864cyclictest6445-21kworker/0:107:27:540
179269960273320,2665cyclictest6445-21kworker/0:108:28:580
179269959963349,2636cyclictest6445-21kworker/0:108:22:550
179269958293028,2759cyclictest6445-21kworker/0:107:42:220
179269949422513,2414cyclictest20732-21kworker/0:208:56:300
179269937863694,79cyclictest20732-21kworker/0:208:54:030
179269933323239,80cyclictest6445-21kworker/0:108:13:320
179269931011804,1294cyclictest6445-21kworker/0:108:15:090
177232744185,204sleep00-21swapper07:08:570
179269952460,448cyclictest28539-21hddtemp_smartct11:26:210
179269949553,201cyclictest12597-21idleruntime09:40:190
179269948351,191cyclictest18484-21ssh11:05:190
179269948154,249cyclictest30823-21sed10:20:300
179269946934,435cyclictest0-21swapper10:43:310
17926994501,436cyclictest16263-21ssh12:11:090
179269944915,374cyclictest6065-21ssh11:49:200
179269944550,87cyclictest30506-21strings11:31:030
17926994451,430cyclictest31180-21diskmemload11:55:110
179269944416,359cyclictest31180-21diskmemload12:38:130
17926994374,372cyclictest1311-21ssh11:38:450
179269943657,195cyclictest0-21swapper09:57:420
179269943358,193cyclictest4447-21ssh10:33:270
179269942961,185cyclictest29277-21rm10:16:130
179269942861,184cyclictest660-21ssh10:25:370
179269942856,358cyclictest0-21swapper09:37:250
179269942461,350cyclictest82650irq/14-ata_piix10:46:280
179269942059,186cyclictest3007-21ssh09:19:040
179269941954,351cyclictest22930-21strings12:26:050
179269941855,350cyclictest636-21ssh09:13:290
179269941854,350cyclictest1771-21ssh11:40:170
179269941555,347cyclictest351950irq/10-yenta11:50:460
179269941536,365cyclictest24577-21seq10:05:540
179269941451,302cyclictest0-21swapper09:50:220
179269941438,363cyclictest4224-21lldpd09:04:100
179269941133,192cyclictest24747-21awk12:30:360
179269940331,357cyclictest14567-21ssh12:07:000
179269940138,303cyclictest15589-21strings09:46:020
179269940137,250cyclictest344450irq/10-eth010:14:580
179269939751,346cyclictest0-21swapper10:04:180
179269939654,342cyclictest0-21swapper09:23:240
179269939635,339cyclictest15562-21ssh10:57:480
179269939331,362cyclictest0-21swapper10:39:310
179269939038,338cyclictest351950irq/10-yenta12:22:010
179269938935,339cyclictest26481-21timerwakeupswit11:21:360
179269938932,260cyclictest17355-21fschecks_time11:01:260
179269938834,341cyclictest20898-21strings08:40:440
179269938737,337cyclictest344450irq/10-eth009:27:300
179269938514,358cyclictest19167-21ssh12:17:360
179269938422,196cyclictest19944-21munin-node09:33:150
179269938335,164cyclictest21697-21chrt11:11:120
179269937836,330cyclictest13534-21ssh10:53:510
179269937818,347cyclictest24538-21ssh11:17:450
17926993733,370cyclictest0-21swapper12:04:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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