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2026-04-27 - 23:20
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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 rackcslot2.osadl.org (updated Mon Apr 27, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1913421050,2sleep13022399cyclictest09:59:041
73452770,1sleep00-21swapper/011:48:100
178652750,0sleep10-21swapper/110:38:321
2990326949,16sleep10-21swapper/107:07:391
2988326654,8sleep00-21swapper/007:07:280
30222993210,19cyclictest0-21swapper/011:55:210
30222993030,0cyclictest0-21swapper/012:14:330
30223992927,1cyclictest0-21swapper/110:40:081
30223992910,1cyclictest0-21swapper/111:03:211
30223992827,0cyclictest24-21ksoftirqd/109:59:161
30223992722,1cyclictest0-21swapper/108:50:421
30222992710,0cyclictest0-21swapper/012:14:000
3022299270,1cyclictest10551-21apache_volume12:34:150
30223992626,0cyclictest0-21swapper/107:09:481
3022299265,20cyclictest2210-21ssh12:23:060
30222992621,3cyclictest599-21avahi-daemon08:46:070
30222992619,4cyclictest81ktimersoftd/010:34:540
3022299261,24cyclictest10429-21/usr/sbin/munin10:29:210
30223992525,0cyclictest0-21swapper/109:41:531
30223992510,2cyclictest0-21swapper/112:37:241
3022399250,5cyclictest91rcu_preempt11:39:211
3022399250,4cyclictest91rcu_preempt11:22:121
3022399250,15cyclictest0-21swapper/108:24:251
30222992510,1cyclictest0-21swapper/011:28:590
3022299250,4cyclictest11785-21diskmemload11:33:190
30223992424,0cyclictest24-21ksoftirqd/109:07:321
30223992422,1cyclictest24-21ksoftirqd/111:49:241
30223992411,8cyclictest0-21swapper/110:24:171
30223992410,3cyclictest0-21swapper/110:49:101
3022399240,11cyclictest0-21swapper/108:09:181
3022299240,4cyclictest15656-21kworker/u4:010:05:430
3022399235,11cyclictest0-21swapper/111:34:161
3022399232,3cyclictest91rcu_preempt07:14:221
30223992322,1cyclictest24-21ksoftirqd/112:04:191
30223992321,1cyclictest24-21ksoftirqd/111:59:041
30223992321,1cyclictest24-21ksoftirqd/110:55:321
30223992318,4cyclictest20427-21munin-node10:04:141
30223992317,4cyclictest16209-21/usr/sbin/munin09:14:201
30223992312,6cyclictest0-21swapper/111:08:041
30223992310,1cyclictest0-21swapper/110:19:151
3022399230,2cyclictest91rcu_preempt10:48:511
30222992318,4cyclictest7721-21apache210:03:150
30222992318,4cyclictest744-21snmpd09:47:580
30222992317,5cyclictest7721-21apache211:20:570
30222992314,8cyclictest0-21swapper/007:21:580
30222992311,8cyclictest0-21swapper/008:39:170
151172230,0sleep10-21swapper/111:15:341
30223992220,1cyclictest24-21ksoftirqd/112:34:041
30223992210,9cyclictest0-21swapper/112:12:271
30223992210,7cyclictest0-21swapper/112:27:521
30223992210,6cyclictest0-21swapper/108:41:271
3022299229,9cyclictest0-21swapper/009:51:140
3022299226,12cyclictest0-21swapper/011:04:230
3022299226,11cyclictest0-21swapper/008:49:260
3022299224,11cyclictest0-21swapper/011:39:150
30222992211,6cyclictest0-21swapper/007:24:180
30222992210,12cyclictest0-21swapper/010:16:040
3022299220,0cyclictest0-21swapper/009:56:020
631622110,1sleep00-21swapper/012:28:340
3094722110,0sleep10-21swapper/110:14:071
3022399215,6cyclictest0-21swapper/111:24:441
3022399214,5cyclictest100250irq/107-eth1-rx09:24:251
3022399213,3cyclictest30220-21cyclictest08:19:171
30223992120,0cyclictest24-21ksoftirqd/111:29:181
30223992119,1cyclictest24-21ksoftirqd/111:44:161
30223992115,4cyclictest7731-21apache211:10:271
30223992115,3cyclictest30220-21cyclictest09:53:521
30223992114,5cyclictest24-21ksoftirqd/109:09:471
30223992110,5cyclictest0-21swapper/109:44:161
30223992110,4cyclictest0-21swapper/108:44:241
30223992110,0cyclictest0-21swapper/109:23:451
3022399210,12cyclictest0-21swapper/112:14:151
3022299212,14cyclictest0-21swapper/011:15:430
3022299211,5cyclictest0-21swapper/007:34:060
30222992113,5cyclictest7721-21apache210:23:050
30222992110,4cyclictest0-21swapper/010:49:150
3022399201,15cyclictest744-21snmpd12:20:451
30223992010,7cyclictest0-21swapper/111:59:241
30223992010,3cyclictest0-21swapper/107:54:211
3022399200,3cyclictest91rcu_preempt10:32:281
3022399200,1cyclictest91rcu_preempt09:29:091
3022399200,14cyclictest0-21swapper/107:29:141
3022299206,5cyclictest0-21swapper/009:29:240
3022299204,6cyclictest0-21swapper/010:48:060
3022299203,11cyclictest0-21swapper/008:09:230
30222992012,5cyclictest11785-21diskmemload09:10:410
3022299201,11cyclictest0-21swapper/012:04:220
30222992010,6cyclictest0-21swapper/010:39:180
30222992010,5cyclictest0-21swapper/009:04:170
30222992010,3cyclictest0-21swapper/007:14:210
3022299200,13cyclictest0-21swapper/009:34:180
3022399194,3cyclictest0-21swapper/109:34:421
3022399193,7cyclictest0-21swapper/108:29:161
30223991910,5cyclictest0-21swapper/108:14:171
30223991910,3cyclictest0-21swapper/110:11:261
3022299196,7cyclictest0-21swapper/007:29:160
3022299192,10cyclictest0-21swapper/008:14:160
30222991914,2cyclictest81ktimersoftd/007:49:150
3022299191,3cyclictest0-21swapper/009:25:400
30222991911,3cyclictest0-21swapper/011:09:260
30222991910,4cyclictest0-21swapper/012:30:280
30222991910,3cyclictest0-21swapper/011:38:090
30222991910,0cyclictest0-21swapper/010:24:130
3022299190,15cyclictest0-21swapper/011:00:030
3022399189,7cyclictest0-21swapper/107:59:151
3022399185,6cyclictest0-21swapper/108:54:181
3022399184,9cyclictest0-21swapper/108:04:151
3022399184,9cyclictest0-21swapper/107:39:171
30223991810,4cyclictest0-21swapper/108:34:211
30223991810,0cyclictest0-21swapper/107:49:051
3022299186,9cyclictest0-21swapper/007:59:170
30222991815,2cyclictest599-21avahi-daemon07:56:200
30222991811,3cyclictest22620-21ssh09:21:200
30222991810,7cyclictest0-21swapper/009:39:540
30222991810,3cyclictest0-21swapper/008:54:230
30222991810,3cyclictest0-21swapper/008:35:380
30223991712,3cyclictest8335-21awk08:59:171
30223991710,2cyclictest0-21swapper/107:24:181
3022299175,8cyclictest0-21swapper/007:09:150
3022299174,7cyclictest0-21swapper/008:29:040
3022299174,6cyclictest0-21swapper/008:29:170
3022299173,6cyclictest0-21swapper/008:04:170
3022299173,10cyclictest0-21swapper/011:49:170
30222991715,2cyclictest7721-21apache207:46:560
30222991715,1cyclictest0-21swapper/012:02:090
3022299171,1cyclictest0-21swapper/010:54:560
30222991711,2cyclictest0-21swapper/010:09:240
30223991612,1cyclictest24-21ksoftirqd/107:19:241
30223991610,3cyclictest0-21swapper/107:44:151
30222991610,2cyclictest0-21swapper/007:39:150
3022399158,2cyclictest0-21swapper/107:35:381
3022299154,5cyclictest0-21swapper/009:17:460
3022299140,6cyclictest8833-21/usr/sbin/munin08:59:210
30222991310,2cyclictest100150irq/106-eth1-rx08:19:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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