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2025-12-31 - 00:31
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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 rackdslot3.osadl.org (updated Tue Dec 30, 2025 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151492204171,22sleep30-21swapper/307:06:203
151232204174,20sleep20-21swapper/207:05:592
153002203169,23sleep00-21swapper/007:08:180
151472202169,22sleep10-21swapper/107:06:181
1216921380,2sleep10-21swapper/108:09:591
15734996122,4cyclictest25-21ksoftirqd/107:25:231
15734996025,7cyclictest25-21ksoftirqd/110:15:271
15735995926,4cyclictest33-21ksoftirqd/210:00:252
15734995930,9cyclictest25-21ksoftirqd/107:55:181
15734995930,7cyclictest25-21ksoftirqd/109:50:241
15734995926,4cyclictest25-21ksoftirqd/109:00:271
15734995925,4cyclictest25-21ksoftirqd/107:10:161
15734995925,10cyclictest25-21ksoftirqd/110:30:141
15734995924,5cyclictest25-21ksoftirqd/107:45:181
15734995924,3cyclictest25-21ksoftirqd/107:20:211
15734995923,8cyclictest25-21ksoftirqd/111:20:191
15734995923,8cyclictest25-21ksoftirqd/108:50:211
15734995919,10cyclictest25-21ksoftirqd/109:35:221
15734995827,7cyclictest25-21ksoftirqd/108:35:011
15734995824,4cyclictest25-21ksoftirqd/111:30:261
15734995824,4cyclictest25-21ksoftirqd/111:05:171
15734995823,5cyclictest25-21ksoftirqd/111:15:011
15734995822,8cyclictest25-21ksoftirqd/112:35:161
15734995822,5cyclictest25-21ksoftirqd/112:00:281
15734995821,8cyclictest25-21ksoftirqd/111:40:241
15734995821,5cyclictest25-21ksoftirqd/108:20:261
15734995821,5cyclictest25-21ksoftirqd/108:20:251
272902570,6sleep31573699cyclictest10:55:173
15734995725,6cyclictest25-21ksoftirqd/109:55:141
15734995723,8cyclictest25-21ksoftirqd/109:40:181
15734995722,7cyclictest25-21ksoftirqd/109:30:251
15734995720,7cyclictest25-21ksoftirqd/110:20:271
15734995720,7cyclictest25-21ksoftirqd/108:55:181
15734995717,7cyclictest25-21ksoftirqd/110:05:191
15734995625,4cyclictest25-21ksoftirqd/112:25:321
15734995623,4cyclictest25-21ksoftirqd/109:45:161
15734995623,4cyclictest25-21ksoftirqd/109:10:171
15734995621,8cyclictest25-21ksoftirqd/111:25:191
15734995621,4cyclictest25-21ksoftirqd/112:30:171
15734995621,4cyclictest25-21ksoftirqd/110:35:221
15734995620,8cyclictest25-21ksoftirqd/111:55:171
15734995620,8cyclictest25-21ksoftirqd/108:40:151
15734995526,7cyclictest25-21ksoftirqd/108:30:011
15734995522,7cyclictest25-21ksoftirqd/110:00:171
15734995522,4cyclictest25-21ksoftirqd/107:30:281
15734995519,8cyclictest25-21ksoftirqd/110:10:201
15734995518,8cyclictest25-21ksoftirqd/112:20:261
15734995517,7cyclictest25-21ksoftirqd/107:35:191
15734995513,7cyclictest25-21ksoftirqd/111:45:221
14582550,2sleep30-21swapper/310:00:213
15734995421,7cyclictest25-21ksoftirqd/108:00:281
15734995421,5cyclictest25-21ksoftirqd/108:15:001
15734995420,7cyclictest25-21ksoftirqd/109:05:181
15734995419,8cyclictest25-21ksoftirqd/107:40:161
15735995315,4cyclictest33-21ksoftirqd/208:15:192
15734995326,7cyclictest25-21ksoftirqd/108:35:261
15734995322,8cyclictest25-21ksoftirqd/108:45:141
15734995319,8cyclictest25-21ksoftirqd/109:15:211
15734995318,8cyclictest25-21ksoftirqd/110:55:201
15734995318,7cyclictest25-21ksoftirqd/108:15:151
15734995318,4cyclictest25-21ksoftirqd/112:15:001
15734995317,8cyclictest25-21ksoftirqd/109:20:291
15734995314,4cyclictest25-21ksoftirqd/107:15:161
15734995216,4cyclictest25-21ksoftirqd/112:15:221
15735995134,5cyclictest33-21ksoftirqd/210:40:012
15735995118,8cyclictest33-21ksoftirqd/210:30:012
1573499518,7cyclictest25-21ksoftirqd/110:25:241
15734995116,4cyclictest25-21ksoftirqd/111:15:211
15735995045,3cyclictest33-21ksoftirqd/211:50:002
1573499506,3cyclictest25-21ksoftirqd/107:50:261
1573499505,3cyclictest25-21ksoftirqd/111:50:261
15734995035,3cyclictest25-21ksoftirqd/111:35:131
1573599492,43cyclictest18170-21cron11:45:002
15735994916,4cyclictest33-21ksoftirqd/209:25:182
1573499496,3cyclictest25-21ksoftirqd/111:00:231
1573499496,3cyclictest25-21ksoftirqd/109:25:251
1573499495,2cyclictest25-21ksoftirqd/110:45:251
15734994919,9cyclictest25-21ksoftirqd/112:05:271
15734994918,8cyclictest25-21ksoftirqd/110:50:131
15735994823,11cyclictest33-21ksoftirqd/207:55:002
15735994820,3cyclictest33-21ksoftirqd/208:55:162
15735994818,4cyclictest33-21ksoftirqd/212:15:192
15735994721,4cyclictest33-21ksoftirqd/209:30:292
15735994712,6cyclictest33-21ksoftirqd/211:15:002
15734994717,9cyclictest25-21ksoftirqd/110:40:181
15735994611,4cyclictest33-21ksoftirqd/210:45:002
15735994611,11cyclictest33-21ksoftirqd/207:45:202
15735994526,5cyclictest33-21ksoftirqd/208:40:152
15735994517,7cyclictest33-21ksoftirqd/209:35:222
15735994517,7cyclictest33-21ksoftirqd/208:45:162
15735994516,6cyclictest33-21ksoftirqd/210:30:242
15735994513,6cyclictest33-21ksoftirqd/209:00:192
15735994512,6cyclictest33-21ksoftirqd/211:00:152
15735994510,6cyclictest33-21ksoftirqd/208:00:252
15733994540,3cyclictest9-21ksoftirqd/011:15:000
1544024534,5sleep20-21swapper/207:10:012
15735994423,12cyclictest33-21ksoftirqd/211:29:592
15735994413,7cyclictest33-21ksoftirqd/212:00:202
15735994412,5cyclictest33-21ksoftirqd/211:50:242
15735994411,5cyclictest33-21ksoftirqd/209:40:192
139391440,1ptp4l401ktimersoftd/308:54:213
139391440,0ptp4l401ktimersoftd/308:45:123
15735994315,7cyclictest33-21ksoftirqd/207:20:012
15735994311,4cyclictest33-21ksoftirqd/208:20:262
15735994311,4cyclictest33-21ksoftirqd/208:20:262
1573599430,3cyclictest121rcu_preempt09:24:592
139391430,0ptp4l401ktimersoftd/308:17:293
139391430,0ptp4l401ktimersoftd/308:12:043
139391430,0ptp4l401ktimersoftd/307:41:353
1573599429,6cyclictest33-21ksoftirqd/210:05:212
1573599429,4cyclictest33-21ksoftirqd/212:30:172
1573599427,4cyclictest33-21ksoftirqd/211:35:242
1573599426,6cyclictest33-21ksoftirqd/207:30:202
15735994237,3cyclictest33-21ksoftirqd/208:00:012
1573599419,7cyclictest33-21ksoftirqd/209:50:192
1573599419,7cyclictest33-21ksoftirqd/209:15:142
1573599419,6cyclictest33-21ksoftirqd/209:10:272
1573599417,6cyclictest33-21ksoftirqd/208:15:002
1573599409,6cyclictest33-21ksoftirqd/210:55:242
1573599409,3cyclictest33-21ksoftirqd/208:55:002
1573599407,4cyclictest33-21ksoftirqd/211:20:132
1573599405,4cyclictest33-21ksoftirqd/208:30:122
15735994011,4cyclictest33-21ksoftirqd/207:35:192
15733994034,3cyclictest9-21ksoftirqd/012:15:010
15733994028,10cyclictest9-21ksoftirqd/010:00:190
1573599397,7cyclictest33-21ksoftirqd/208:25:192
1573599397,6cyclictest33-21ksoftirqd/210:50:172
1573599396,4cyclictest33-21ksoftirqd/210:10:162
1573599395,4cyclictest33-21ksoftirqd/211:05:192
15735993934,3cyclictest33-21ksoftirqd/211:19:592
15735993925,11cyclictest33-21ksoftirqd/212:10:002
15735993923,5cyclictest33-21ksoftirqd/211:34:592
15735993911,7cyclictest33-21ksoftirqd/208:35:162
15733993934,3cyclictest9-21ksoftirqd/007:35:190
1573599388,5cyclictest33-21ksoftirqd/212:20:172
1573599386,5cyclictest33-21ksoftirqd/207:40:172
1573599386,4cyclictest33-21ksoftirqd/210:00:012
15735993824,12cyclictest33-21ksoftirqd/212:25:142
1573599381,6cyclictest33-21ksoftirqd/210:15:012
15733993834,2cyclictest31451-21sed11:05:010
15733993833,3cyclictest9-21ksoftirqd/011:19:590
139391380,0ptp4l401ktimersoftd/310:20:003
1573599374,6cyclictest33-21ksoftirqd/210:45:192
15735993732,2cyclictest33-21ksoftirqd/209:45:162
15735993731,3cyclictest33-21ksoftirqd/211:55:242
15733993733,2cyclictest9-21ksoftirqd/009:30:200
15733993732,3cyclictest9-21ksoftirqd/008:00:010
139391370,0ptp4l401ktimersoftd/312:35:203
15736993631,3cyclictest21622-21cron08:30:013
15736993630,4cyclictest41-21ksoftirqd/310:14:503
1573599365,4cyclictest33-21ksoftirqd/210:25:002
1573599365,28cyclictest21321-21sed07:20:172
15735993615,10cyclictest33-21ksoftirqd/212:10:282
1573599361,4cyclictest33-21ksoftirqd/207:27:592
15733993632,3cyclictest9-21ksoftirqd/012:00:000
15733993631,3cyclictest9-21ksoftirqd/009:45:010
15733993630,3cyclictest9-21ksoftirqd/010:05:160
15733993629,4cyclictest9-21ksoftirqd/011:45:120
139391360,0ptp4l401ktimersoftd/309:25:153
15736993530,3cyclictest41-21ksoftirqd/310:32:383
15736993530,3cyclictest41-21ksoftirqd/309:43:343
15736993527,6cyclictest41-21ksoftirqd/308:01:123
1573599357,3cyclictest121rcu_preempt12:35:262
15735993530,3cyclictest33-21ksoftirqd/209:05:242
15733993531,3cyclictest9-21ksoftirqd/009:20:200
15733993530,3cyclictest9-21ksoftirqd/009:49:590
15733993530,3cyclictest9-21ksoftirqd/008:10:190
139391350,0ptp4l401ktimersoftd/311:20:133
15736993429,3cyclictest41-21ksoftirqd/312:10:313
15736993429,3cyclictest41-21ksoftirqd/311:47:093
15736993429,3cyclictest41-21ksoftirqd/310:39:253
15736993429,3cyclictest41-21ksoftirqd/308:08:543
15736993428,4cyclictest41-21ksoftirqd/312:21:343
15736993428,4cyclictest41-21ksoftirqd/309:56:443
1573399343,3cyclictest9-21ksoftirqd/010:00:010
15733993429,3cyclictest9-21ksoftirqd/009:54:590
15733993429,3cyclictest9-21ksoftirqd/008:35:200
15733993429,3cyclictest9-21ksoftirqd/008:30:190
15733993428,4cyclictest9-21ksoftirqd/011:38:380
15733993428,3cyclictest9-21ksoftirqd/011:05:200
15733993428,3cyclictest9-21ksoftirqd/008:05:000
15733993419,7cyclictest9-21ksoftirqd/008:15:190
1573399341,3cyclictest121rcu_preempt08:05:230
1573399340,2cyclictest121rcu_preempt12:40:010
15736993328,3cyclictest41-21ksoftirqd/307:52:563
15736993327,4cyclictest41-21ksoftirqd/312:33:413
15736993327,4cyclictest41-21ksoftirqd/309:20:303
15736993327,4cyclictest41-21ksoftirqd/308:24:103
15736993327,4cyclictest41-21ksoftirqd/308:24:093
15736993327,4cyclictest41-21ksoftirqd/307:36:433
15735993327,3cyclictest33-21ksoftirqd/208:05:172
1573399333,3cyclictest9-21ksoftirqd/010:45:000
15733993330,2cyclictest9-21ksoftirqd/009:25:130
15733993328,3cyclictest9-21ksoftirqd/008:50:260
15733993328,3cyclictest9-21ksoftirqd/008:40:200
15733993327,4cyclictest9-21ksoftirqd/010:55:110
15733993327,4cyclictest9-21ksoftirqd/010:24:530
15733993327,4cyclictest9-21ksoftirqd/009:06:510
1573399330,3cyclictest9-21ksoftirqd/010:19:590
134391330,2getstats0-21swapper/312:02:383
15736993227,3cyclictest41-21ksoftirqd/307:10:533
15736993226,4cyclictest41-21ksoftirqd/312:07:333
15736993226,4cyclictest41-21ksoftirqd/307:22:003
15733993228,2cyclictest9-21ksoftirqd/011:25:180
15733993228,2cyclictest9-21ksoftirqd/009:10:190
15733993228,2cyclictest9-21ksoftirqd/007:30:000
15733993227,3cyclictest9-21ksoftirqd/012:34:590
15733993227,3cyclictest9-21ksoftirqd/011:50:140
15733993227,3cyclictest9-21ksoftirqd/007:15:000
15733993226,4cyclictest9-21ksoftirqd/010:39:420
15733993226,4cyclictest9-21ksoftirqd/010:26:380
15733993226,4cyclictest9-21ksoftirqd/007:17:200
15733993225,4cyclictest9-21ksoftirqd/012:20:200
1573399320,2cyclictest121rcu_preempt07:20:150
139391320,0ptp4l401ktimersoftd/311:56:033
15736993126,3cyclictest41-21ksoftirqd/311:37:383
15736993126,3cyclictest41-21ksoftirqd/310:08:393
15736993126,3cyclictest41-21ksoftirqd/309:05:113
15736993125,4cyclictest41-21ksoftirqd/310:49:203
15736993125,4cyclictest41-21ksoftirqd/308:39:383
15736993125,4cyclictest30146-21cron09:55:003
15733993127,3cyclictest9-21ksoftirqd/007:50:180
15733993127,2cyclictest9-21ksoftirqd/009:15:140
15733993126,3cyclictest9-21ksoftirqd/007:45:200
15733993125,4cyclictest9-21ksoftirqd/008:47:060
15733993124,4cyclictest9-21ksoftirqd/010:50:040
139391310,0ptp4l401ktimersoftd/311:25:233
139391310,0ptp4l401ktimersoftd/311:17:073
139391310,0ptp4l401ktimersoftd/310:50:193
139391310,0ptp4l401ktimersoftd/310:25:193
139391310,0ptp4l401ktimersoftd/309:00:533
139391310,0ptp4l401ktimersoftd/307:59:013
139391310,0ptp4l401ktimersoftd/307:33:403
15736993025,3cyclictest41-21ksoftirqd/309:15:103
15736993025,3cyclictest41-21ksoftirqd/307:45:033
15736993024,4cyclictest41-21ksoftirqd/308:33:453
1573399303,2cyclictest121rcu_preempt10:45:160
15733993026,2cyclictest9-21ksoftirqd/010:10:220
15733993025,3cyclictest9-21ksoftirqd/012:30:000
15733993025,3cyclictest9-21ksoftirqd/011:30:190
15733993025,3cyclictest9-21ksoftirqd/010:30:560
15733993025,3cyclictest9-21ksoftirqd/008:20:120
15733993025,3cyclictest9-21ksoftirqd/008:20:120
15733993025,3cyclictest9-21ksoftirqd/007:34:270
139391300,0ptp4l401ktimersoftd/312:19:043
139391300,0ptp4l401ktimersoftd/310:40:383
139391300,0ptp4l401ktimersoftd/310:22:533
139391300,0ptp4l401ktimersoftd/308:58:353
139391300,0ptp4l401ktimersoftd/307:25:143
15736992924,3cyclictest41-21ksoftirqd/309:48:263
15736992923,4cyclictest41-21ksoftirqd/312:28:193
15733992924,3cyclictest9-21ksoftirqd/008:59:280
15733992923,4cyclictest9-21ksoftirqd/009:39:290
139391290,0ptp4l401ktimersoftd/309:31:223
15736992823,3cyclictest41-21ksoftirqd/309:12:313
15733992823,3cyclictest9-21ksoftirqd/011:22:290
15733992823,3cyclictest9-21ksoftirqd/009:00:180
15733992823,3cyclictest9-21ksoftirqd/008:25:130
15733992823,3cyclictest9-21ksoftirqd/007:40:130
1573399281,3cyclictest121rcu_preempt12:00:240
139391280,0ptp4l401ktimersoftd/311:43:553
139391280,0ptp4l401ktimersoftd/308:40:193
15736992722,3cyclictest41-21ksoftirqd/311:50:123
15736992721,4cyclictest41-21ksoftirqd/309:39:153
15733992723,2cyclictest9-21ksoftirqd/012:05:250
15733992723,2cyclictest9-21ksoftirqd/011:40:130
1573399270,2cyclictest121rcu_preempt12:15:160
139391270,9ptp4l0-21swapper/311:32:373
139391270,0ptp4l401ktimersoftd/311:03:363
15736992621,3cyclictest41-21ksoftirqd/311:10:063
139391260,0ptp4l401ktimersoftd/311:06:003
15736992520,3cyclictest41-21ksoftirqd/307:17:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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