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2026-08-10 - 19:58
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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 Mon Aug 10, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
575727354,8sleep00-21swapper/007:04:240
577826947,17sleep10-21swapper/107:04:371
54702670,0sleep00-21swapper/011:38:490
229572670,0sleep022961-21uniq09:53:260
6303994010,29cyclictest0-21swapper/011:20:550
6303993810,27cyclictest0-21swapper/010:26:070
6303993418,16cyclictest0-21swapper/009:01:560
6303993310,3cyclictest0-21swapper/010:06:120
2672723010,0sleep00-21swapper/009:15:330
6304992711,13cyclictest0-21swapper/111:28:251
6303992726,1cyclictest0-21swapper/010:45:220
6304992610,2cyclictest0-21swapper/110:02:161
6303992610,7cyclictest0-21swapper/012:22:300
6303992610,2cyclictest0-21swapper/009:44:090
630399260,3cyclictest0-21swapper/009:58:140
6303992520,1cyclictest6300-21cyclictest11:53:330
6303992510,1cyclictest0-21swapper/012:26:060
6303992510,1cyclictest0-21swapper/012:16:580
6304992422,2cyclictest0-21swapper/109:09:191
6304992420,3cyclictest16132-21apache209:20:221
6304992418,4cyclictest16132-21apache209:23:421
6304992413,3cyclictest0-21swapper/108:43:221
6304992410,7cyclictest0-21swapper/107:17:001
6304992410,4cyclictest0-21swapper/107:58:311
6303992422,1cyclictest636-21nscd10:56:550
6303992410,8cyclictest0-21swapper/008:02:010
6303992410,6cyclictest0-21swapper/012:08:240
6303992410,0cyclictest0-21swapper/007:10:440
630399240,23cyclictest6097-21kworker/u4:111:37:130
630399240,19cyclictest0-21swapper/012:06:090
630499233,2cyclictest0-21swapper/111:03:101
6304992321,1cyclictest22982-21apache_accesses12:03:221
6304992316,5cyclictest16149-21apache210:45:121
6304992310,9cyclictest0-21swapper/112:11:441
6304992310,10cyclictest0-21swapper/110:49:471
630499230,1cyclictest0-21swapper/110:54:301
6303992323,0cyclictest0-21swapper/010:48:530
6303992310,6cyclictest0-21swapper/010:28:280
630499224,14cyclictest0-21swapper/110:03:231
630499222,16cyclictest12037-21sshd12:31:531
6304992217,4cyclictest16149-21apache212:23:171
6304992214,5cyclictest0-21swapper/110:26:461
6304992210,8cyclictest0-21swapper/107:39:371
6304992210,1cyclictest0-21swapper/111:52:571
630399221,20cyclictest0-21swapper/007:18:320
6303992210,11cyclictest0-21swapper/010:58:220
375222210,0sleep10-21swapper/112:20:011
730622110,0sleep10-21swapper/111:42:371
630499218,6cyclictest0-21swapper/110:13:111
630499216,12cyclictest15252-21kworker/1:211:12:351
630499212,14cyclictest0-21swapper/109:53:241
6304992120,0cyclictest0-21swapper/109:39:321
6304992114,5cyclictest16132-21apache211:16:241
6304992111,5cyclictest100150irq/106-eth1-rx10:39:551
6304992110,4cyclictest0-21swapper/109:43:241
6304992110,3cyclictest0-21swapper/111:45:571
6303992117,3cyclictest16149-21apache209:51:440
6303992117,3cyclictest16132-21apache211:45:020
6303992116,4cyclictest16149-21apache212:37:200
6303992115,4cyclictest16149-21apache209:19:480
6303992111,4cyclictest0-21swapper/008:43:250
6303992110,5cyclictest0-21swapper/011:48:230
6303992110,4cyclictest0-21swapper/010:19:480
6303992110,2cyclictest0-21swapper/010:38:280
2235322110,0sleep10-21swapper/111:18:311
147562212,3sleep10-21swapper/107:28:281
630499206,10cyclictest10281-21ssh11:03:221
6304992020,0cyclictest0-21swapper/109:13:571
6304992018,1cyclictest579-21cron12:02:111
630499201,14cyclictest0-21swapper/109:48:411
6304992010,7cyclictest0-21swapper/111:33:241
6304992010,7cyclictest0-21swapper/107:23:241
630499200,17cyclictest100250irq/107-eth1-rx09:35:041
630399205,12cyclictest0-21swapper/011:13:250
6303992020,0cyclictest0-21swapper/011:25:440
6303992013,5cyclictest0-21swapper/010:13:490
6303992011,5cyclictest0-21swapper/009:28:210
6303992010,5cyclictest100350irq/108-eth1-tx11:28:250
6303992010,4cyclictest0-21swapper/012:28:280
6303992010,3cyclictest0-21swapper/008:33:230
6303992010,1cyclictest0-21swapper/007:42:070
630499196,10cyclictest0-21swapper/108:03:241
630499195,6cyclictest0-21swapper/110:18:231
630499191,9cyclictest0-21swapper/108:53:341
630499191,9cyclictest0-21swapper/107:48:231
6304991916,2cyclictest16149-21apache207:38:101
6304991916,1cyclictest0-21swapper/111:53:491
6304991915,3cyclictest16149-21apache212:15:181
6304991914,3cyclictest231ktimersoftd/107:08:221
6304991910,4cyclictest0-21swapper/110:33:551
6304991910,4cyclictest0-21swapper/108:33:231
630399194,7cyclictest0-21swapper/008:18:230
630399193,7cyclictest1199-21runrttasks08:08:240
6303991917,0cyclictest0-21swapper/007:44:230
6303991916,2cyclictest6300-21cyclictest08:17:300
6303991913,2cyclictest6300-21cyclictest09:36:250
630399191,1cyclictest22095-21ssh09:09:110
6303991910,6cyclictest0-21swapper/012:00:010
6303991910,3cyclictest81ktimersoftd/007:23:250
346221910,0sleep00-21swapper/010:09:510
630499182,11cyclictest0-21swapper/108:23:281
6304991817,1cyclictest6300-21cyclictest09:07:281
6304991815,2cyclictest0-21swapper/112:33:281
6304991810,6cyclictest0-21swapper/107:58:051
6304991810,5cyclictest0-21swapper/111:24:061
6304991810,5cyclictest0-21swapper/108:48:241
6304991810,4cyclictest0-21swapper/109:28:251
6304991810,4cyclictest0-21swapper/108:09:541
6304991810,3cyclictest0-21swapper/110:13:261
630399185,6cyclictest0-21swapper/008:23:220
630399184,8cyclictest588-21in:imuxsock09:08:120
630399182,7cyclictest0-21swapper/011:03:110
6303991818,0cyclictest0-21swapper/009:23:310
6303991813,4cyclictest10050irq/110-ahci[0010:36:530
6303991810,6cyclictest17507-21kworker/0:207:37:270
6303991810,3cyclictest0-21swapper/011:10:410
6303991810,0cyclictest0-21swapper/009:41:420
991221710,2sleep00-21swapper/007:17:270
630499172,9cyclictest0-21swapper/108:58:281
630499172,7cyclictest0-21swapper/108:13:221
6304991711,3cyclictest6695-21cron08:33:111
6304991710,3cyclictest0-21swapper/108:18:231
630399170,2cyclictest29292-21taskset08:06:040
6304991611,2cyclictest0-21swapper/107:18:241
6304991610,4cyclictest0-21swapper/110:30:081
6304991610,3cyclictest0-21swapper/108:38:291
6304991610,2cyclictest0-21swapper/107:43:201
6303991610,6cyclictest0-21swapper/008:31:200
6303991610,6cyclictest0-21swapper/007:50:240
6303991610,4cyclictest0-21swapper/007:28:240
6303991610,3cyclictest0-21swapper/008:53:260
6303991610,3cyclictest0-21swapper/008:48:240
6303991610,2cyclictest0-21swapper/007:53:130
6303991510,3cyclictest0-21swapper/008:43:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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