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2026-06-25 - 23:06
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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 rackcslot2.osadl.org (updated Thu Jun 25, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3212628252,6sleep10-21swapper/107:05:321
264282730,0sleep026422-21seq12:18:560
3233626958,7sleep00-21swapper/007:07:440
86112620,0sleep10-21swapper/110:27:511
32600993110,14cyclictest100250irq/107-eth1-rx11:29:100
3260099290,26cyclictest12948-21/usr/sbin/munin10:33:490
32600992828,0cyclictest0-21swapper/008:09:340
32600992810,0cyclictest23016-21kworker/u4:210:26:060
32601992725,1cyclictest24-21ksoftirqd/109:33:471
32601992722,3cyclictest24-21ksoftirqd/109:28:101
32601992710,13cyclictest0-21swapper/112:00:461
3260199270,7cyclictest0-21swapper/108:13:471
32600992710,3cyclictest0-21swapper/009:37:510
32601992624,1cyclictest24-21ksoftirqd/111:32:001
32601992624,1cyclictest24-21ksoftirqd/111:13:361
3260199260,16cyclictest0-21swapper/109:12:141
32600992626,0cyclictest0-21swapper/009:11:420
32601992523,1cyclictest24-21ksoftirqd/111:03:481
32601992519,2cyclictest0-21swapper/109:43:461
32601992510,10cyclictest0-21swapper/109:31:551
3260199250,23cyclictest4351-21users11:48:571
32601992422,1cyclictest0-21swapper/110:38:421
32601992421,2cyclictest24-21ksoftirqd/109:13:521
32601992421,2cyclictest24-21ksoftirqd/109:13:521
32601992420,2cyclictest1633-21munin-node07:48:311
32601992417,4cyclictest0-21swapper/111:44:531
32601992416,4cyclictest0-21swapper/110:07:461
3260199240,19cyclictest0-21swapper/108:13:191
3260199240,0cyclictest0-21swapper/109:39:251
32600992410,7cyclictest0-21swapper/009:20:040
32600992410,6cyclictest0-21swapper/011:55:590
32600992410,5cyclictest0-21swapper/009:38:570
3260099240,13cyclictest0-21swapper/011:58:530
3260199235,16cyclictest29741-21kworker/u4:211:25:451
3260199232,1cyclictest782-21/usr/sbin/munin08:33:531
32601992313,4cyclictest10092-21apache210:49:081
32601992310,9cyclictest0-21swapper/109:58:531
32601992310,4cyclictest0-21swapper/110:33:481
32601992310,1cyclictest0-21swapper/112:23:451
3260199230,17cyclictest0-21swapper/109:53:481
32600992323,0cyclictest0-21swapper/009:55:590
99422210,0sleep00-21swapper/011:44:290
451522210,0sleep00-21swapper/010:21:360
3260199224,17cyclictest6335-21fschecks_count07:23:481
3260199224,17cyclictest6335-21fschecks_count07:23:481
32601992221,0cyclictest24-21ksoftirqd/110:18:531
32601992220,1cyclictest13332-21timerandwakeup09:48:541
32601992210,6cyclictest0-21swapper/111:00:201
32601992210,4cyclictest0-21swapper/107:38:551
32601992210,3cyclictest0-21swapper/107:53:471
32600992210,9cyclictest0-21swapper/010:58:290
32600992210,0cyclictest0-21swapper/009:49:360
3260199215,7cyclictest0-21swapper/110:08:481
32601992121,0cyclictest0-21swapper/112:35:271
32601992119,1cyclictest24-21ksoftirqd/112:05:321
32601992110,0cyclictest0-21swapper/110:47:371
3260199210,1cyclictest91rcu_preempt10:13:511
32600992120,1cyclictest10115-21apache212:16:110
32600992118,2cyclictest0-21swapper/010:03:050
32600992110,7cyclictest0-21swapper/011:13:480
32600992110,5cyclictest0-21swapper/008:13:560
32600992110,0cyclictest0-21swapper/011:51:530
32600992110,0cyclictest0-21swapper/009:45:590
3260099210,19cyclictest0-21swapper/010:50:460
3260199204,9cyclictest0-21swapper/110:53:481
3260199204,12cyclictest91rcu_preempt10:33:071
3260199202,4cyclictest91rcu_preempt07:08:491
3260199202,16cyclictest231ktimersoftd/111:54:431
32601992015,2cyclictest100250irq/107-eth1-rx12:28:551
32601992010,5cyclictest0-21swapper/112:16:371
32601992010,3cyclictest0-21swapper/111:35:521
32601992010,2cyclictest0-21swapper/108:23:481
3260199200,12cyclictest0-21swapper/108:21:461
3260099208,4cyclictest7-21ksoftirqd/010:08:350
3260099206,7cyclictest0-21swapper/007:23:500
3260099206,7cyclictest0-21swapper/007:23:500
3260099203,9cyclictest0-21swapper/009:27:560
3260099203,16cyclictest4009-21df_inode12:33:470
32600992020,0cyclictest0-21swapper/010:38:410
32600992017,2cyclictest10115-21apache212:08:250
32600992014,3cyclictest10115-21apache208:33:530
32600992011,5cyclictest0-21swapper/011:38:470
32600992010,6cyclictest81ktimersoftd/008:28:470
32600992010,6cyclictest0-21swapper/012:11:010
32600992010,6cyclictest0-21swapper/009:03:460
32600992010,4cyclictest0-21swapper/008:53:460
3260099200,8cyclictest27807-21hddtemp_smartct08:18:480
3260199193,9cyclictest0-21swapper/108:00:271
3260199193,8cyclictest0-21swapper/112:08:401
32601991917,1cyclictest10092-21apache212:22:091
32601991910,5cyclictest0-21swapper/109:18:471
32601991910,4cyclictest0-21swapper/111:38:511
32601991910,4cyclictest0-21swapper/107:18:511
3260199190,3cyclictest0-21swapper/111:15:071
3260199190,15cyclictest0-21swapper/107:28:461
3260099198,3cyclictest4098-21apache_volume07:18:460
3260099193,10cyclictest0-21swapper/010:30:260
3260099192,15cyclictest0-21swapper/010:15:040
32600991916,2cyclictest10115-21apache207:45:380
32600991913,4cyclictest10092-21apache209:33:140
32600991910,7cyclictest0-21swapper/011:36:360
32600991910,6cyclictest0-21swapper/007:08:510
32600991910,5cyclictest0-21swapper/011:18:470
32600991910,4cyclictest0-21swapper/008:03:470
32600991910,1cyclictest0-21swapper/011:25:260
3260099190,1cyclictest0-21swapper/011:08:550
3260199189,3cyclictest91rcu_preempt08:07:291
3260199185,8cyclictest0-21swapper/107:48:461
3260199184,9cyclictest0-21swapper/108:48:501
32601991810,4cyclictest0-21swapper/107:33:361
32601991810,3cyclictest0-21swapper/111:18:461
3260199180,14cyclictest0-21swapper/108:43:461
3260099184,7cyclictest31121-21munin-run08:28:350
32600991817,1cyclictest0-21swapper/007:48:490
3260099181,2cyclictest0-21swapper/007:58:570
32600991811,2cyclictest0-21swapper/010:08:530
32600991810,6cyclictest100150irq/106-eth1-rx09:15:430
32600991810,6cyclictest100150irq/106-eth1-rx09:15:430
32600991810,4cyclictest0-21swapper/010:43:390
32600991810,2cyclictest30887-21cron11:03:310
32600991810,2cyclictest0-21swapper/012:23:550
3260099180,0cyclictest0-21swapper/007:31:480
1151321810,0sleep00-21swapper/007:34:210
3260199171,8cyclictest0-21swapper/108:28:471
32601991717,0cyclictest24-21ksoftirqd/108:58:501
32601991710,4cyclictest0-21swapper/107:15:331
32601991710,3cyclictest0-21swapper/108:53:471
3260099174,5cyclictest0-21swapper/011:03:400
3260099172,8cyclictest0-21swapper/007:53:470
32600991712,4cyclictest599-21avahi-daemon08:43:520
32600991710,3cyclictest0-21swapper/012:28:460
32600991710,3cyclictest0-21swapper/007:13:460
3260199163,8cyclictest0-21swapper/108:38:481
3260099169,6cyclictest0-21swapper/007:38:500
32600991610,4cyclictest7651-21ls08:48:550
32600991610,3cyclictest0-21swapper/008:42:030
3260199152,10cyclictest12465-21cpuspeed_turbos09:03:471
3260099153,3cyclictest1199-21runrttasks09:03:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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