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2025-12-23 - 09:14
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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 rackdslot4.osadl.org (updated Tue Dec 23, 2025 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
288082236170,21sleep20-21swapper/219:08:292
267042206171,23sleep30-21swapper/319:05:093
286672203169,22sleep00-21swapper/019:06:470
286382203168,23sleep10-21swapper/119:06:231
1939321530,5sleep32921899cyclictest19:55:153
3225721520,2sleep20-21swapper/221:25:162
1385918262,11phc2sys0-21swapper/319:10:013
29216995624,3cyclictest25-21ksoftirqd/120:00:131
229112560,5sleep322915-21irqrtprio22:10:183
29216995524,4cyclictest25-21ksoftirqd/100:10:211
29216995429,3cyclictest25-21ksoftirqd/119:35:151
29216995429,3cyclictest25-21ksoftirqd/119:35:151
29216995422,4cyclictest25-21ksoftirqd/100:15:201
29216995420,4cyclictest25-21ksoftirqd/100:20:301
29216995420,4cyclictest25-21ksoftirqd/100:20:301
94832530,1sleep00-21swapper/019:35:150
94832530,1sleep00-21swapper/019:35:150
29216995323,4cyclictest25-21ksoftirqd/123:25:261
29216995323,4cyclictest25-21ksoftirqd/120:40:141
29216995319,3cyclictest25-21ksoftirqd/120:10:261
2921699528,9cyclictest25-21ksoftirqd/122:20:261
29216995223,3cyclictest25-21ksoftirqd/120:35:011
29216995220,4cyclictest25-21ksoftirqd/120:25:121
29216995220,3cyclictest25-21ksoftirqd/121:35:241
29216995124,7cyclictest25-21ksoftirqd/123:35:161
29216995122,4cyclictest25-21ksoftirqd/123:00:141
29216995121,4cyclictest25-21ksoftirqd/123:05:161
29216995114,4cyclictest25-21ksoftirqd/119:30:281
29216995022,3cyclictest25-21ksoftirqd/122:05:281
29216995021,7cyclictest25-21ksoftirqd/123:40:211
29216995021,4cyclictest25-21ksoftirqd/121:20:131
29216995020,4cyclictest25-21ksoftirqd/123:45:251
29216995018,4cyclictest25-21ksoftirqd/100:25:141
29216995018,3cyclictest25-21ksoftirqd/122:40:161
29216995016,7cyclictest25-21ksoftirqd/121:05:221
29216995016,3cyclictest25-21ksoftirqd/120:20:241
29216995014,7cyclictest25-21ksoftirqd/121:55:171
29216995014,4cyclictest25-21ksoftirqd/120:55:151
29216995011,7cyclictest25-21ksoftirqd/122:55:251
29216994933,4cyclictest25-21ksoftirqd/122:30:011
29216994918,7cyclictest25-21ksoftirqd/123:30:181
29216994916,7cyclictest25-21ksoftirqd/121:50:271
29216994916,6cyclictest25-21ksoftirqd/119:15:221
2921699489,10cyclictest25-21ksoftirqd/123:50:251
2921699489,10cyclictest25-21ksoftirqd/123:50:251
2921699488,10cyclictest25-21ksoftirqd/121:10:231
29216994817,4cyclictest25-21ksoftirqd/100:05:131
29216994815,4cyclictest25-21ksoftirqd/119:10:131
29216994813,7cyclictest25-21ksoftirqd/121:00:251
29216994813,3cyclictest25-21ksoftirqd/123:20:301
29216994810,7cyclictest25-21ksoftirqd/100:00:151
2921699479,8cyclictest25-21ksoftirqd/121:25:251
2921699479,10cyclictest25-21ksoftirqd/122:10:231
29216994731,4cyclictest25-21ksoftirqd/119:50:191
29216994719,7cyclictest25-21ksoftirqd/119:30:001
29216994719,3cyclictest25-21ksoftirqd/121:32:531
29216994718,7cyclictest25-21ksoftirqd/119:45:121
29216994716,7cyclictest25-21ksoftirqd/119:59:181
29216994716,4cyclictest25-21ksoftirqd/100:35:191
29216994712,8cyclictest25-21ksoftirqd/120:39:591
29216994712,8cyclictest25-21ksoftirqd/100:30:141
29216994711,8cyclictest25-21ksoftirqd/121:45:231
307462460,1sleep20-21swapper/221:20:232
2921899468,8cyclictest121rcu_preempt19:25:253
29216994618,4cyclictest25-21ksoftirqd/122:34:381
29216994617,3cyclictest25-21ksoftirqd/123:12:131
29216994610,6cyclictest25-21ksoftirqd/121:15:211
29216994610,4cyclictest25-21ksoftirqd/119:20:241
2921599462,2cyclictest121rcu_preempt22:20:160
2921699457,8cyclictest25-21ksoftirqd/122:35:181
29216994513,7cyclictest25-21ksoftirqd/119:40:221
29216994513,3cyclictest25-21ksoftirqd/120:15:221
86992440,1sleep18703-21sed21:40:231
29217994337,3cyclictest33-21ksoftirqd/222:40:002
2921699438,8cyclictest25-21ksoftirqd/122:45:191
138491430,0ptp4l401ktimersoftd/322:29:533
138491430,0ptp4l401ktimersoftd/322:01:453
138491430,0ptp4l401ktimersoftd/321:20:453
2921699425,7cyclictest25-21ksoftirqd/122:15:231
29216994236,3cyclictest25-21ksoftirqd/100:00:011
29216994212,5cyclictest25-21ksoftirqd/120:05:141
138491420,0ptp4l401ktimersoftd/322:58:023
138491420,0ptp4l401ktimersoftd/322:35:013
138491420,0ptp4l401ktimersoftd/321:54:553
138491420,0ptp4l401ktimersoftd/321:13:143
29216994135,3cyclictest25-21ksoftirqd/120:50:001
2921699411,9cyclictest25-21ksoftirqd/123:20:001
2921699410,2cyclictest121rcu_preempt22:00:251
138491410,0ptp4l401ktimersoftd/322:18:053
138491410,0ptp4l401ktimersoftd/321:30:153
138491410,0ptp4l401ktimersoftd/320:55:233
29218994033,5cyclictest41-21ksoftirqd/321:44:593
29215994034,3cyclictest9-21ksoftirqd/022:35:000
138491400,0ptp4l401ktimersoftd/320:10:153
29218993925,12cyclictest41-21ksoftirqd/319:32:343
138491390,0ptp4l401ktimersoftd/323:46:123
138491390,0ptp4l401ktimersoftd/323:20:203
29218993834,2cyclictest41-21ksoftirqd/323:35:193
29218993833,3cyclictest41-21ksoftirqd/300:00:003
29218993831,4cyclictest41-21ksoftirqd/320:30:103
29218993825,10cyclictest41-21ksoftirqd/320:20:153
29217993833,3cyclictest33-21ksoftirqd/200:15:002
29217993827,9cyclictest33-21ksoftirqd/219:30:212
2921699382,3cyclictest121rcu_preempt20:50:191
29215993833,3cyclictest9-21ksoftirqd/000:00:000
138491380,1ptp4l401ktimersoftd/320:15:113
29218993732,3cyclictest41-21ksoftirqd/322:10:003
29218993731,3cyclictest41-21ksoftirqd/322:50:203
29218993731,3cyclictest41-21ksoftirqd/300:39:593
29218993730,4cyclictest41-21ksoftirqd/322:44:243
29218993725,9cyclictest41-21ksoftirqd/319:50:123
29217993732,3cyclictest33-21ksoftirqd/222:30:112
29217993731,4cyclictest33-21ksoftirqd/219:23:532
29217993730,4cyclictest33-21ksoftirqd/223:11:072
29217993730,4cyclictest33-21ksoftirqd/220:36:102
2921899364,3cyclictest41-21ksoftirqd/319:20:003
29218993632,2cyclictest41-21ksoftirqd/320:05:013
29218993631,3cyclictest41-21ksoftirqd/323:50:203
29218993631,3cyclictest41-21ksoftirqd/323:50:203
29218993631,2cyclictest41-21ksoftirqd/321:09:593
29218993630,4cyclictest41-21ksoftirqd/320:52:323
29218993630,4cyclictest41-21ksoftirqd/319:44:043
29218993630,3cyclictest41-21ksoftirqd/322:35:013
29218993620,6cyclictest41-21ksoftirqd/323:05:293
29217993631,3cyclictest33-21ksoftirqd/223:00:192
29217993631,3cyclictest33-21ksoftirqd/221:05:182
29217993631,3cyclictest33-21ksoftirqd/220:50:002
29217993630,4cyclictest33-21ksoftirqd/223:40:202
29217993630,3cyclictest33-21ksoftirqd/223:35:262
29217993629,4cyclictest33-21ksoftirqd/221:38:282
29217993629,4cyclictest33-21ksoftirqd/220:57:362
29217993629,4cyclictest33-21ksoftirqd/200:28:382
29217993618,5cyclictest33-21ksoftirqd/222:05:202
29215993631,3cyclictest9-21ksoftirqd/021:30:010
29215993630,3cyclictest9-21ksoftirqd/023:00:250
29215993630,3cyclictest9-21ksoftirqd/022:55:050
138491360,0ptp4l401ktimersoftd/321:35:193
29218993530,3cyclictest41-21ksoftirqd/321:47:113
29218993530,3cyclictest41-21ksoftirqd/321:05:013
29218993530,3cyclictest41-21ksoftirqd/300:15:153
29218993530,3cyclictest41-21ksoftirqd/300:10:003
29218993529,4cyclictest41-21ksoftirqd/323:28:383
29218993529,3cyclictest41-21ksoftirqd/321:25:123
29218993514,18cyclictest41-21ksoftirqd/300:30:003
29217993531,3cyclictest33-21ksoftirqd/220:35:012
29217993530,3cyclictest33-21ksoftirqd/221:00:192
29217993530,3cyclictest33-21ksoftirqd/219:25:182
29217993529,4cyclictest33-21ksoftirqd/220:53:552
29217993528,5cyclictest33-21ksoftirqd/219:45:432
29217993528,4cyclictest33-21ksoftirqd/223:52:102
29217993528,4cyclictest33-21ksoftirqd/223:52:102
29217993520,5cyclictest33-21ksoftirqd/220:00:012
29216993530,2cyclictest25-21ksoftirqd/122:50:241
29215993530,3cyclictest9-21ksoftirqd/023:05:150
29215993530,3cyclictest9-21ksoftirqd/022:35:100
29215993530,3cyclictest9-21ksoftirqd/021:35:140
29215993530,3cyclictest9-21ksoftirqd/021:05:000
29215993529,4cyclictest9-21ksoftirqd/022:13:170
29215993529,4cyclictest9-21ksoftirqd/021:08:180
50798340,9rtkit-daemon0-21swapper/019:46:260
29218993429,3cyclictest41-21ksoftirqd/321:15:103
29218993429,3cyclictest41-21ksoftirqd/319:35:203
29218993429,3cyclictest41-21ksoftirqd/319:35:203
29218993429,3cyclictest41-21ksoftirqd/300:00:153
29218993428,4cyclictest41-21ksoftirqd/322:45:123
29217993429,3cyclictest33-21ksoftirqd/223:45:182
29217993429,3cyclictest33-21ksoftirqd/222:13:102
29217993429,3cyclictest33-21ksoftirqd/221:50:002
29217993429,3cyclictest33-21ksoftirqd/219:40:002
29217993429,3cyclictest33-21ksoftirqd/219:40:002
29217993429,3cyclictest33-21ksoftirqd/200:30:192
29217993429,3cyclictest33-21ksoftirqd/200:15:192
29217993429,3cyclictest33-21ksoftirqd/200:00:212
29217993428,4cyclictest33-21ksoftirqd/222:49:212
29217993428,4cyclictest33-21ksoftirqd/219:18:282
29217993428,4cyclictest33-21ksoftirqd/200:35:402
29217993427,4cyclictest33-21ksoftirqd/220:42:122
29217993427,4cyclictest33-21ksoftirqd/219:54:062
29215993430,2cyclictest9-21ksoftirqd/023:20:000
29215993430,2cyclictest9-21ksoftirqd/020:30:010
29215993429,3cyclictest9-21ksoftirqd/023:39:370
29215993428,4cyclictest9-21ksoftirqd/021:43:120
29215993428,4cyclictest9-21ksoftirqd/020:57:250
29215993428,4cyclictest9-21ksoftirqd/000:30:080
29215993428,3cyclictest9-21ksoftirqd/000:00:040
138491340,0ptp4l401ktimersoftd/323:15:153
29218993329,2cyclictest41-21ksoftirqd/300:35:003
29218993328,3cyclictest41-21ksoftirqd/323:10:283
29218993328,3cyclictest41-21ksoftirqd/320:45:003
29218993328,3cyclictest41-21ksoftirqd/320:05:153
29218993328,3cyclictest41-21ksoftirqd/319:20:153
29218993327,4cyclictest41-21ksoftirqd/320:38:523
29218993327,4cyclictest41-21ksoftirqd/300:23:343
29218993327,4cyclictest41-21ksoftirqd/300:23:333
29218993327,3cyclictest41-21ksoftirqd/300:15:003
29217993329,3cyclictest33-21ksoftirqd/220:20:172
29217993329,2cyclictest33-21ksoftirqd/200:05:192
29217993328,4cyclictest33-21ksoftirqd/223:15:162
29217993328,3cyclictest33-21ksoftirqd/223:28:542
29217993328,3cyclictest33-21ksoftirqd/222:40:192
29217993328,3cyclictest33-21ksoftirqd/221:10:002
29217993327,4cyclictest33-21ksoftirqd/222:25:002
29217993327,4cyclictest33-21ksoftirqd/219:41:142
29217993326,4cyclictest33-21ksoftirqd/220:06:342
29217993326,4cyclictest33-21ksoftirqd/220:05:012
29215993329,2cyclictest9-21ksoftirqd/022:55:010
29215993329,2cyclictest9-21ksoftirqd/022:25:140
29215993329,2cyclictest9-21ksoftirqd/022:15:180
29215993328,3cyclictest29349-21idleruntime-cro23:30:010
29215993327,4cyclictest9-21ksoftirqd/023:49:120
29215993326,4cyclictest9-21ksoftirqd/019:55:400
29215993326,4cyclictest9-21ksoftirqd/000:22:010
29215993326,4cyclictest9-21ksoftirqd/000:22:010
29218993228,2cyclictest41-21ksoftirqd/323:30:353
29218993226,4cyclictest41-21ksoftirqd/323:40:173
29218993226,4cyclictest41-21ksoftirqd/323:05:013
29218993226,4cyclictest41-21ksoftirqd/322:23:553
29217993228,2cyclictest33-21ksoftirqd/221:55:012
29217993227,3cyclictest33-21ksoftirqd/223:20:132
29217993227,3cyclictest33-21ksoftirqd/223:05:312
29217993227,3cyclictest33-21ksoftirqd/223:00:002
29217993227,3cyclictest33-21ksoftirqd/222:15:102
29217993227,3cyclictest33-21ksoftirqd/221:55:512
29217993227,3cyclictest33-21ksoftirqd/200:20:152
29217993227,3cyclictest33-21ksoftirqd/200:20:142
29217993226,4cyclictest33-21ksoftirqd/223:33:332
29215993228,2cyclictest9-21ksoftirqd/021:50:000
29215993228,2cyclictest9-21ksoftirqd/020:00:110
29215993227,3cyclictest9-21ksoftirqd/022:05:000
29215993227,3cyclictest9-21ksoftirqd/021:20:180
29215993227,3cyclictest9-21ksoftirqd/021:14:500
29215993227,3cyclictest9-21ksoftirqd/020:50:150
29215993227,3cyclictest9-21ksoftirqd/020:20:000
29215993227,3cyclictest9-21ksoftirqd/019:54:320
29215993226,4cyclictest9-21ksoftirqd/019:29:490
29215993225,5cyclictest9-21ksoftirqd/021:16:440
29215993225,4cyclictest31809-21turbostat.cron23:35:000
29215993217,6cyclictest9-21ksoftirqd/019:20:000
29218993126,3cyclictest41-21ksoftirqd/319:50:003
29218993125,3cyclictest41-21ksoftirqd/320:50:013
29217993126,3cyclictest9306-21sh21:45:002
29217993126,3cyclictest33-21ksoftirqd/220:11:132
29217993125,4cyclictest33-21ksoftirqd/222:25:172
29217993119,10cyclictest33-21ksoftirqd/220:15:122
29215993127,2cyclictest9-21ksoftirqd/023:25:010
29215993126,3cyclictest9-21ksoftirqd/022:45:290
29215993126,3cyclictest9-21ksoftirqd/020:12:010
29215993126,3cyclictest9-21ksoftirqd/019:45:010
29215993125,4cyclictest9-21ksoftirqd/021:57:040
29215993125,4cyclictest9-21ksoftirqd/021:50:500
29215993125,4cyclictest9-21ksoftirqd/019:14:450
29215993125,4cyclictest9-21ksoftirqd/000:36:020
29215993117,3cyclictest9-21ksoftirqd/000:07:120
29218993025,3cyclictest41-21ksoftirqd/321:56:223
29218993025,3cyclictest41-21ksoftirqd/320:25:103
29217993026,3cyclictest33-21ksoftirqd/222:00:182
29217993025,3cyclictest33-21ksoftirqd/221:35:012
29217993025,3cyclictest33-21ksoftirqd/219:15:002
29217993025,3cyclictest33-21ksoftirqd/200:00:012
29217993015,4cyclictest33-21ksoftirqd/222:50:202
29217993013,10cyclictest33-21ksoftirqd/220:25:122
29215993025,3cyclictest9-21ksoftirqd/023:10:150
29215993025,3cyclictest9-21ksoftirqd/022:40:130
29215993025,3cyclictest9-21ksoftirqd/020:05:140
29215993025,3cyclictest9-21ksoftirqd/019:25:000
29215993024,4cyclictest9-21ksoftirqd/000:15:590
29215993024,4cyclictest9-21ksoftirqd/000:11:230
29215993024,3cyclictest9-21ksoftirqd/020:40:140
29215992924,3cyclictest9-21ksoftirqd/021:31:070
29215992924,3cyclictest9-21ksoftirqd/020:15:460
29215992924,3cyclictest9-21ksoftirqd/000:28:440
29215992923,4cyclictest9-21ksoftirqd/023:52:240
29215992923,4cyclictest9-21ksoftirqd/023:52:240
29215992923,3cyclictest9-21ksoftirqd/020:46:170
29217992823,3cyclictest33-21ksoftirqd/221:20:002
29215992823,3cyclictest9-21ksoftirqd/019:30:210
29215992722,3cyclictest9-21ksoftirqd/020:30:180
29215992721,3cyclictest9-21ksoftirqd/023:40:050
29215992520,3cyclictest9-21ksoftirqd/022:05:230
29215992519,4cyclictest9-21ksoftirqd/020:40:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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