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2026-09-02 - 04:27
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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 rackdslot2.osadl.org (updated Wed Sep 02, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591208174,22phc2sys0-21swapper/319:06:403
44472207174,22sleep10-21swapper/119:05:081
65612206173,22sleep20-21swapper/219:09:462
64562206171,22sleep00-21swapper/019:08:230
2712621710,4sleep3687899cyclictest22:05:213
65832148124,13sleep10-21swapper/119:10:021
135191710,1getstats0-21swapper/323:32:363
6876996631,8cyclictest25-21ksoftirqd/121:14:591
6878996528,3cyclictest41-21ksoftirqd/322:10:193
6876996330,7cyclictest25-21ksoftirqd/100:20:001
6876996326,4cyclictest25-21ksoftirqd/121:00:241
6876996133,3cyclictest25-21ksoftirqd/123:05:001
6876996129,3cyclictest25-21ksoftirqd/122:25:261
6876996125,8cyclictest25-21ksoftirqd/120:50:221
6878996034,3cyclictest41-21ksoftirqd/321:55:253
6876996028,4cyclictest25-21ksoftirqd/119:20:201
6876996028,3cyclictest25-21ksoftirqd/121:45:001
6876996024,4cyclictest25-21ksoftirqd/100:15:001
6876996023,5cyclictest25-21ksoftirqd/122:40:221
6876995930,8cyclictest25-21ksoftirqd/100:20:151
6876995930,4cyclictest25-21ksoftirqd/123:10:261
6876995929,4cyclictest25-21ksoftirqd/120:45:241
6876995926,4cyclictest25-21ksoftirqd/121:30:161
6876995923,4cyclictest25-21ksoftirqd/123:15:181
6876995922,6cyclictest25-21ksoftirqd/121:15:281
6878995828,4cyclictest41-21ksoftirqd/320:25:013
6876995832,7cyclictest25-21ksoftirqd/120:05:181
6876995828,5cyclictest25-21ksoftirqd/121:23:191
6876995827,8cyclictest25-21ksoftirqd/119:49:591
6876995825,8cyclictest25-21ksoftirqd/100:00:151
6876995822,4cyclictest25-21ksoftirqd/121:35:131
6878995726,4cyclictest41-21ksoftirqd/320:55:133
6878995723,3cyclictest41-21ksoftirqd/300:30:003
6876995730,7cyclictest25-21ksoftirqd/123:40:261
6876995729,6cyclictest25-21ksoftirqd/123:20:221
6876995726,7cyclictest25-21ksoftirqd/119:55:161
6876995724,7cyclictest25-21ksoftirqd/122:15:251
6876995723,4cyclictest25-21ksoftirqd/121:55:261
6876995722,4cyclictest25-21ksoftirqd/123:30:241
6876995722,4cyclictest25-21ksoftirqd/119:35:231
6876995721,4cyclictest25-21ksoftirqd/122:55:271
139291570,1ptp4l401ktimersoftd/323:02:063
6878995625,4cyclictest41-21ksoftirqd/300:30:223
6878995624,7cyclictest41-21ksoftirqd/323:10:003
6876995628,7cyclictest25-21ksoftirqd/120:55:271
6876995628,3cyclictest25-21ksoftirqd/122:50:001
6876995627,3cyclictest25-21ksoftirqd/122:35:171
6876995624,8cyclictest25-21ksoftirqd/100:35:221
6876995624,7cyclictest25-21ksoftirqd/123:45:141
6876995623,8cyclictest25-21ksoftirqd/120:25:261
6876995621,4cyclictest25-21ksoftirqd/122:00:151
6876995620,3cyclictest25-21ksoftirqd/120:10:231
6876995619,7cyclictest25-21ksoftirqd/122:20:271
687699557,3cyclictest25-21ksoftirqd/123:55:001
6876995527,6cyclictest25-21ksoftirqd/119:15:251
6876995526,4cyclictest25-21ksoftirqd/122:30:231
6876995525,7cyclictest25-21ksoftirqd/100:30:241
6876995524,7cyclictest25-21ksoftirqd/121:05:151
6876995522,6cyclictest25-21ksoftirqd/119:25:131
6876995521,7cyclictest25-21ksoftirqd/123:05:181
6876995521,4cyclictest25-21ksoftirqd/122:10:171
687899548,2cyclictest121rcu_preempt20:25:253
6878995425,4cyclictest41-21ksoftirqd/320:40:003
6878995420,9cyclictest41-21ksoftirqd/322:50:193
6878995420,9cyclictest41-21ksoftirqd/322:50:193
6876995430,6cyclictest25-21ksoftirqd/119:50:171
6876995423,8cyclictest25-21ksoftirqd/123:55:131
6876995422,6cyclictest25-21ksoftirqd/100:05:151
6876995419,4cyclictest25-21ksoftirqd/120:20:231
687899539,5cyclictest41-21ksoftirqd/322:37:303
6878995322,3cyclictest41-21ksoftirqd/321:35:233
6878995322,3cyclictest41-21ksoftirqd/319:35:183
6878995318,10cyclictest41-21ksoftirqd/320:10:143
6878995310,4cyclictest41-21ksoftirqd/319:52:293
6876995324,3cyclictest25-21ksoftirqd/121:50:161
6876995323,7cyclictest25-21ksoftirqd/120:40:141
6876995319,8cyclictest25-21ksoftirqd/120:30:211
6876995319,7cyclictest25-21ksoftirqd/119:30:251
687899529,4cyclictest41-21ksoftirqd/319:21:013
687899529,4cyclictest41-21ksoftirqd/319:16:123
687899529,4cyclictest41-21ksoftirqd/300:38:413
6878995224,7cyclictest41-21ksoftirqd/321:15:003
6878995222,4cyclictest41-21ksoftirqd/321:25:193
6878995220,4cyclictest41-21ksoftirqd/321:30:183
6878995220,4cyclictest41-21ksoftirqd/319:55:243
6876995221,6cyclictest25-21ksoftirqd/121:25:251
6876995217,6cyclictest25-21ksoftirqd/122:50:241
6876995217,6cyclictest25-21ksoftirqd/122:50:241
6876995216,8cyclictest25-21ksoftirqd/123:25:231
687899519,4cyclictest41-21ksoftirqd/323:26:163
687899517,4cyclictest41-21ksoftirqd/320:18:343
6878995125,3cyclictest41-21ksoftirqd/319:45:183
6878995122,6cyclictest41-21ksoftirqd/322:20:003
6878995117,3cyclictest41-21ksoftirqd/320:30:323
6878995115,8cyclictest41-21ksoftirqd/322:40:183
687699516,3cyclictest25-21ksoftirqd/123:35:171
6876995123,3cyclictest25-21ksoftirqd/120:18:401
6876995117,7cyclictest25-21ksoftirqd/122:05:131
109302510,3sleep30-21swapper/323:45:273
6878995022,3cyclictest41-21ksoftirqd/323:40:233
6878995019,4cyclictest41-21ksoftirqd/323:15:243
6878995017,6cyclictest41-21ksoftirqd/319:25:143
6878995016,4cyclictest41-21ksoftirqd/323:10:193
687899495,4cyclictest41-21ksoftirqd/322:20:503
6878994916,4cyclictest41-21ksoftirqd/300:05:003
6878994913,4cyclictest41-21ksoftirqd/319:40:253
6878994913,4cyclictest41-21ksoftirqd/319:30:263
687699495,3cyclictest25-21ksoftirqd/121:45:191
687699494,2cyclictest25-21ksoftirqd/120:35:261
6876994934,3cyclictest25-21ksoftirqd/119:40:141
687599492,43cyclictest25850-21wc22:05:010
687899487,4cyclictest41-21ksoftirqd/323:37:313
687899487,4cyclictest41-21ksoftirqd/322:28:203
687899487,4cyclictest41-21ksoftirqd/321:15:553
6878994822,7cyclictest41-21ksoftirqd/322:45:273
6878994815,4cyclictest41-21ksoftirqd/320:40:163
6878994815,3cyclictest41-21ksoftirqd/322:00:183
6878994814,8cyclictest41-21ksoftirqd/321:20:153
6878994812,4cyclictest41-21ksoftirqd/321:05:253
687699484,2cyclictest25-21ksoftirqd/100:25:151
6876994733,6cyclictest25-21ksoftirqd/120:00:191
687899468,4cyclictest41-21ksoftirqd/321:45:293
687899464,5cyclictest41-21ksoftirqd/319:14:513
6878994617,7cyclictest41-21ksoftirqd/320:00:183
6878994615,7cyclictest41-21ksoftirqd/300:10:173
6878994613,8cyclictest41-21ksoftirqd/320:05:163
687899454,4cyclictest41-21ksoftirqd/322:58:003
41298450,2rtkit-daemon0-21swapper/219:17:552
687899446,10cyclictest41-21ksoftirqd/320:47:253
687899438,4cyclictest41-21ksoftirqd/323:50:143
6878994338,3cyclictest41-21ksoftirqd/321:45:003
6878994337,3cyclictest41-21ksoftirqd/321:05:003
6878994337,3cyclictest41-21ksoftirqd/300:20:003
6878994315,6cyclictest41-21ksoftirqd/321:50:193
6878994311,9cyclictest41-21ksoftirqd/320:50:223
6878994234,5cyclictest41-21ksoftirqd/300:25:003
6878994230,4cyclictest41-21ksoftirqd/323:20:273
139291420,1ptp4l401ktimersoftd/300:05:323
6878994029,4cyclictest41-21ksoftirqd/323:55:253
6878993933,3cyclictest41-21ksoftirqd/322:30:163
41298390,2rtkit-daemon0-21swapper/220:52:012
6877993833,3cyclictest33-21ksoftirqd/220:30:122
6877993731,4cyclictest33-21ksoftirqd/222:39:182
6877993731,4cyclictest33-21ksoftirqd/222:31:482
6877993731,4cyclictest33-21ksoftirqd/221:08:372
6877993731,4cyclictest33-21ksoftirqd/220:01:372
6875993731,4cyclictest9-21ksoftirqd/000:21:580
6875993730,4cyclictest9-21ksoftirqd/023:06:480
6875993730,4cyclictest9-21ksoftirqd/019:21:540
6877993630,4cyclictest33-21ksoftirqd/223:12:242
6877993630,4cyclictest33-21ksoftirqd/222:28:312
6877993630,4cyclictest33-21ksoftirqd/221:46:512
6877993630,4cyclictest33-21ksoftirqd/200:29:102
6877993630,4cyclictest33-21ksoftirqd/200:11:172
6875993630,4cyclictest9-21ksoftirqd/023:29:430
6875993630,4cyclictest9-21ksoftirqd/023:19:520
6875993614,19cyclictest32022-21turbostat.cron21:10:010
6877993530,3cyclictest33-21ksoftirqd/223:45:542
6877993529,4cyclictest33-21ksoftirqd/223:26:402
6877993529,4cyclictest33-21ksoftirqd/219:46:122
6877993528,4cyclictest33-21ksoftirqd/222:43:542
6875993530,3cyclictest9-21ksoftirqd/020:40:120
6875993529,4cyclictest9-21ksoftirqd/022:12:520
6875993529,4cyclictest9-21ksoftirqd/021:41:030
6875993529,4cyclictest9-21ksoftirqd/021:37:580
6875993529,4cyclictest9-21ksoftirqd/021:19:570
6875993528,4cyclictest9-21ksoftirqd/022:57:500
6875993528,4cyclictest9-21ksoftirqd/019:10:200
6875993513,19cyclictest10243-21sed19:15:200
6877993429,3cyclictest33-21ksoftirqd/223:44:172
6877993429,3cyclictest33-21ksoftirqd/223:40:002
6877993429,3cyclictest33-21ksoftirqd/223:31:562
6877993429,3cyclictest33-21ksoftirqd/221:17:302
6877993429,3cyclictest33-21ksoftirqd/219:35:002
6877993428,4cyclictest33-21ksoftirqd/221:30:022
6877993428,4cyclictest33-21ksoftirqd/221:29:592
6877993428,4cyclictest33-21ksoftirqd/221:21:232
6877993428,4cyclictest33-21ksoftirqd/221:10:522
6877993428,4cyclictest33-21ksoftirqd/220:45:412
6877993428,4cyclictest33-21ksoftirqd/220:12:392
6877993428,4cyclictest33-21ksoftirqd/219:41:192
6877993428,4cyclictest33-21ksoftirqd/200:38:212
6877993427,4cyclictest33-21ksoftirqd/200:16:582
6875993428,4cyclictest9-21ksoftirqd/021:29:440
6875993428,4cyclictest9-21ksoftirqd/020:35:360
6875993428,3cyclictest9-21ksoftirqd/022:06:150
6875993427,4cyclictest9-21ksoftirqd/000:13:560
6875993412,19cyclictest6980-21date21:25:000
6875993412,19cyclictest5552-21date20:15:000
6875993412,19cyclictest1816-21cat22:20:200
6877993329,3cyclictest33-21ksoftirqd/222:04:482
6877993328,3cyclictest33-21ksoftirqd/221:01:062
6877993327,4cyclictest33-21ksoftirqd/223:05:112
6877993327,4cyclictest33-21ksoftirqd/222:13:552
6877993327,4cyclictest33-21ksoftirqd/221:53:302
6877993327,4cyclictest33-21ksoftirqd/220:55:372
6877993327,4cyclictest33-21ksoftirqd/220:27:482
6875993328,3cyclictest9-21ksoftirqd/022:45:130
6875993328,3cyclictest9-21ksoftirqd/022:36:030
6875993328,3cyclictest9-21ksoftirqd/022:18:340
6875993328,3cyclictest9-21ksoftirqd/021:34:120
6875993328,3cyclictest9-21ksoftirqd/019:55:150
6875993327,4cyclictest9-21ksoftirqd/022:52:250
6875993327,4cyclictest9-21ksoftirqd/022:52:240
6875993327,4cyclictest9-21ksoftirqd/021:48:370
6875993327,4cyclictest9-21ksoftirqd/021:12:030
6875993327,4cyclictest9-21ksoftirqd/000:33:540
6877993227,3cyclictest33-21ksoftirqd/223:58:592
6877993227,3cyclictest33-21ksoftirqd/220:40:132
6877993226,4cyclictest33-21ksoftirqd/222:46:482
6877993226,4cyclictest33-21ksoftirqd/222:16:322
6877993225,4cyclictest33-21ksoftirqd/219:52:182
687599329,3cyclictest1006-21cat00:35:140
6875993227,3cyclictest9-21ksoftirqd/020:21:280
6875993226,4cyclictest9-21ksoftirqd/023:01:350
6875993226,4cyclictest9-21ksoftirqd/020:46:590
6875993226,4cyclictest9-21ksoftirqd/019:32:010
6875993226,4cyclictest9-21ksoftirqd/019:25:520
6875993226,3cyclictest9-21ksoftirqd/020:00:390
6875993226,3cyclictest9-21ksoftirqd/019:53:250
6875993226,3cyclictest9-21ksoftirqd/000:19:580
6875993210,2cyclictest3291-21sed23:30:210
687599320,2cyclictest121rcu_preempt23:58:450
6877993126,3cyclictest33-21ksoftirqd/222:56:522
6877993126,3cyclictest33-21ksoftirqd/222:54:592
6877993126,3cyclictest33-21ksoftirqd/222:54:582
6877993126,3cyclictest33-21ksoftirqd/220:20:032
6877993126,3cyclictest33-21ksoftirqd/220:06:022
6877993125,4cyclictest33-21ksoftirqd/200:34:332
6877993125,4cyclictest33-21ksoftirqd/200:05:112
6877993125,4cyclictest33-21ksoftirqd/200:02:272
6877993125,3cyclictest33-21ksoftirqd/223:02:322
6875993125,4cyclictest9-21ksoftirqd/023:47:480
6875993125,4cyclictest9-21ksoftirqd/020:08:490
6875993125,4cyclictest9-21ksoftirqd/019:48:590
6875993125,4cyclictest9-21ksoftirqd/000:27:320
6875993125,4cyclictest9-21ksoftirqd/000:05:130
6877993024,4cyclictest33-21ksoftirqd/223:17:412
6877993023,5cyclictest33-21ksoftirqd/219:57:082
6877993023,4cyclictest33-21ksoftirqd/219:39:582
6875993025,3cyclictest9-21ksoftirqd/023:22:450
6875993024,4cyclictest9-21ksoftirqd/000:00:080
6877992924,3cyclictest33-21ksoftirqd/221:57:102
6877992923,4cyclictest33-21ksoftirqd/223:24:032
6877992923,4cyclictest33-21ksoftirqd/221:41:532
6875992924,3cyclictest9-21ksoftirqd/022:41:050
6875992924,3cyclictest9-21ksoftirqd/022:29:550
6875992924,3cyclictest9-21ksoftirqd/021:04:460
6875992923,4cyclictest9-21ksoftirqd/023:51:220
6875992911,3cyclictest6913-21ptp4l22:30:250
6877992823,3cyclictest33-21ksoftirqd/223:53:332
6877992822,4cyclictest33-21ksoftirqd/219:27:222
687599289,3cyclictest11305-21cut20:25:200
687599287,3cyclictest8260-21processes23:40:230
687599286,4cyclictest21632-21uniq19:40:140
6875992812,13cyclictest26240-21open_files23:10:220
6877992722,3cyclictest33-21ksoftirqd/222:06:012
6877992722,3cyclictest33-21ksoftirqd/200:24:202
687599277,3cyclictest270932chrt20:57:560
6875992722,3cyclictest9-21ksoftirqd/020:18:270
6877992621,3cyclictest33-21ksoftirqd/220:38:432
6877992621,3cyclictest33-21ksoftirqd/220:17:072
687599267,4cyclictest22699-21mailstats21:55:260
687599263,5cyclictest22771-21apt-get20:50:130
687599262,4cyclictest2070-21Xorg20:33:580
6877992521,3cyclictest33-21ksoftirqd/219:21:202
6877992520,3cyclictest33-21ksoftirqd/219:10:232
6875992520,3cyclictest9-21ksoftirqd/019:38:350
6877992419,3cyclictest33-21ksoftirqd/221:35:202
687599243,5cyclictest18965-21apt-get21:50:140
6877992319,3cyclictest33-21ksoftirqd/222:22:212
6875992317,4cyclictest9-21ksoftirqd/023:38:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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