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2025-11-27 - 23:34
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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 100 highest latencies:
System rackcslot4.osadl.org (updated Thu Nov 27, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164107423610,13sleep0141rcu_preempt07:05:380
16420422262183,29sleep10-21swapper/107:06:521
17338982640,4sleep01733901-21ntp_offset10:05:220
16996302590,5sleep00-21swapper/009:20:200
16519862580,4sleep00-21swapper/007:30:190
18050662560,12sleep013-21ksoftirqd/011:40:180
125899550,3rtkit-daemon1257-21rtkit-daemon09:15:460
125899540,4rtkit-daemon1257-21rtkit-daemon11:41:001
1642519995319,6cyclictest13-21ksoftirqd/010:00:000
1642519995317,6cyclictest13-21ksoftirqd/009:00:000
17999882460,4sleep10-21swapper/111:33:351
125899460,3rtkit-daemon0-21swapper/110:04:580
1642519994413,5cyclictest13-21ksoftirqd/011:20:000
125899440,3rtkit-daemon0-21swapper/009:27:220
125899430,3rtkit-daemon0-21swapper/010:47:220
125899420,4rtkit-daemon1257-21rtkit-daemon10:28:190
125899420,3rtkit-daemon0-21swapper/010:42:440
1642519994118,6cyclictest13-21ksoftirqd/011:55:010
1642519994114,5cyclictest13-21ksoftirqd/010:15:010
1642519994113,6cyclictest13-21ksoftirqd/012:25:010
1642519994113,5cyclictest13-21ksoftirqd/008:45:010
1642519994112,5cyclictest13-21ksoftirqd/008:55:000
1642519994111,5cyclictest13-21ksoftirqd/009:15:000
164251999405,6cyclictest13-21ksoftirqd/007:15:240
125899400,3rtkit-daemon0-21swapper/108:15:030
125899400,3rtkit-daemon0-21swapper/007:54:030
1642527993915,5cyclictest26-21ksoftirqd/109:25:001
164251999399,5cyclictest13-21ksoftirqd/009:40:230
1642519993918,6cyclictest13-21ksoftirqd/012:00:000
1642519993918,5cyclictest13-21ksoftirqd/012:35:010
1642519993911,5cyclictest13-21ksoftirqd/011:50:010
1642519993911,5cyclictest13-21ksoftirqd/008:15:000
125899390,6rtkit-daemon1762256-20journal-offline10:43:291
164251999388,5cyclictest13-21ksoftirqd/011:25:010
1642519993812,5cyclictest13-21ksoftirqd/012:15:000
1642519993810,5cyclictest13-21ksoftirqd/008:10:000
125899380,3rtkit-daemon0-21swapper/110:59:570
125899380,3rtkit-daemon0-21swapper/110:18:100
164251999379,5cyclictest13-21ksoftirqd/010:35:010
164251999378,5cyclictest13-21ksoftirqd/009:00:030
164251999377,4cyclictest13-21ksoftirqd/009:35:210
1642519993717,5cyclictest13-21ksoftirqd/012:05:020
1642519993716,6cyclictest13-21ksoftirqd/008:39:590
1642519993716,5cyclictest13-21ksoftirqd/012:20:000
1642519993714,5cyclictest13-21ksoftirqd/010:35:230
1642519993711,5cyclictest13-21ksoftirqd/011:05:010
1642519993710,5cyclictest13-21ksoftirqd/008:35:020
125899370,4rtkit-daemon1257-21rtkit-daemon12:11:231
164251999368,5cyclictest13-21ksoftirqd/009:10:010
164251999367,5cyclictest13-21ksoftirqd/011:15:010
1642519993615,5cyclictest13-21ksoftirqd/011:10:000
1642519993611,5cyclictest13-21ksoftirqd/012:05:030
1642519993611,5cyclictest13-21ksoftirqd/008:00:010
1642519993610,5cyclictest13-21ksoftirqd/012:35:030
1642519993610,5cyclictest13-21ksoftirqd/008:25:010
1642527993528,5cyclictest1690933-21sort09:10:011
1642527993525,7cyclictest1779734-21grep11:05:251
1642527993512,5cyclictest26-21ksoftirqd/111:35:131
1642519993515,5cyclictest13-21ksoftirqd/011:35:000
1642519993514,6cyclictest13-21ksoftirqd/008:50:010
1642519993510,4cyclictest13-21ksoftirqd/010:25:010
164252799349,2cyclictest141rcu_preempt07:50:261
164251999348,5cyclictest13-21ksoftirqd/010:55:010
164251999345,6cyclictest13-21ksoftirqd/011:30:010
1642519993413,5cyclictest13-21ksoftirqd/008:05:010
1642519993412,5cyclictest13-21ksoftirqd/007:35:220
125899340,3rtkit-daemon0-21swapper/112:27:300
164252799339,4cyclictest26-21ksoftirqd/110:39:171
164252799339,4cyclictest141rcu_preempt10:27:361
164252799333,7cyclictest26-21ksoftirqd/111:25:151
1642527993313,4cyclictest26-21ksoftirqd/110:54:051
1642527993310,5cyclictest26-21ksoftirqd/112:38:581
1642527993310,5cyclictest26-21ksoftirqd/110:21:051
1642519993327,4cyclictest1723504-21sh09:51:540
1642527993219,3cyclictest26-21ksoftirqd/112:15:211
1642527993213,3cyclictest26-21ksoftirqd/111:04:131
1642527993211,4cyclictest26-21ksoftirqd/109:15:291
1642527993210,4cyclictest26-21ksoftirqd/111:18:421
1642527993210,4cyclictest26-21ksoftirqd/109:56:111
164251999326,5cyclictest13-21ksoftirqd/009:45:140
164251999325,4cyclictest13-21ksoftirqd/009:34:550
164251999321,2cyclictest141rcu_preempt11:35:010
164252799319,3cyclictest251rcuc/111:55:431
164252799317,3cyclictest141rcu_preempt09:00:001
1642527993111,4cyclictest26-21ksoftirqd/112:26:261
1642527993111,3cyclictest141rcu_preempt10:00:201
1642527993110,4cyclictest141rcu_preempt09:00:081
1642527993110,3cyclictest26-21ksoftirqd/112:09:251
164252799309,4cyclictest26-21ksoftirqd/110:47:391
164252799309,4cyclictest26-21ksoftirqd/110:10:561
164252799308,3cyclictest141rcu_preempt07:10:041
164252799307,3cyclictest141rcu_preempt11:10:131
164252799306,3cyclictest141rcu_preempt10:30:121
164252799305,11cyclictest141rcu_preempt09:30:181
1642527993012,4cyclictest26-21ksoftirqd/112:32:521
1642527993012,4cyclictest26-21ksoftirqd/111:49:161
1642527993011,5cyclictest26-21ksoftirqd/109:45:481
1642527993010,5cyclictest26-21ksoftirqd/109:50:031
1642527993010,4cyclictest26-21ksoftirqd/110:57:021
1642527993010,4cyclictest26-21ksoftirqd/108:37:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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