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2026-07-15 - 08:56
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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 Jul 15, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591230163,22phc2sys0-21swapper/319:09:223
260992206172,22sleep20-21swapper/219:09:152
259132206171,23sleep00-21swapper/019:06:480
258222203171,21sleep10-21swapper/119:05:381
2302121500,3sleep22645199cyclictest00:36:582
26451996628,9cyclictest33-21ksoftirqd/222:45:212
139291640,1ptp4l401ktimersoftd/319:12:103
26449996231,6cyclictest9-21ksoftirqd/020:40:220
139291600,1ptp4l401ktimersoftd/320:25:213
139291590,1ptp4l401ktimersoftd/323:10:483
139291590,1ptp4l401ktimersoftd/320:35:153
215372570,2sleep10-21swapper/100:35:171
26451995625,10cyclictest33-21ksoftirqd/220:05:172
26449995625,4cyclictest9-21ksoftirqd/022:40:170
89172530,2sleep00-21swapper/023:00:240
2644999538,5cyclictest9-21ksoftirqd/023:15:240
2644999534,5cyclictest9-21ksoftirqd/021:45:160
139291530,8ptp4l401ktimersoftd/320:22:473
2645199522,6cyclictest33-21ksoftirqd/220:30:242
26450995231,17cyclictest25-21ksoftirqd/120:07:581
49742510,2sleep30-21swapper/319:30:183
2645199513,6cyclictest33-21ksoftirqd/223:26:442
2644999515,6cyclictest9-21ksoftirqd/022:50:150
26449995116,5cyclictest9-21ksoftirqd/022:00:000
26451995031,11cyclictest33-21ksoftirqd/219:20:172
26451995031,11cyclictest33-21ksoftirqd/219:20:162
26451995020,8cyclictest33-21ksoftirqd/221:35:282
26451995014,7cyclictest33-21ksoftirqd/220:11:452
139291500,1ptp4l401ktimersoftd/300:04:253
2645199495,6cyclictest33-21ksoftirqd/222:55:282
26451994925,8cyclictest33-21ksoftirqd/220:15:212
2645199484,7cyclictest33-21ksoftirqd/219:15:132
26451994817,8cyclictest33-21ksoftirqd/223:45:182
2644999482,7cyclictest9-21ksoftirqd/023:35:090
2644999482,7cyclictest9-21ksoftirqd/019:20:000
2644999482,6cyclictest9-21ksoftirqd/000:10:010
2644999480,7cyclictest9-21ksoftirqd/023:30:120
2645199476,4cyclictest33-21ksoftirqd/219:55:162
2645199474,7cyclictest33-21ksoftirqd/221:00:142
2645199473,5cyclictest33-21ksoftirqd/223:05:202
2645199472,6cyclictest321ktimersoftd/200:20:142
2645199472,5cyclictest0-21swapper/200:10:182
26451994715,8cyclictest33-21ksoftirqd/222:15:082
26450994727,17cyclictest25-21ksoftirqd/123:50:591
2644999472,5cyclictest9-21ksoftirqd/019:37:330
2644999471,6cyclictest9-21ksoftirqd/000:20:240
2645199466,6cyclictest33-21ksoftirqd/223:20:212
2645199465,8cyclictest33-21ksoftirqd/223:10:272
2645199465,7cyclictest33-21ksoftirqd/223:35:152
2645199465,6cyclictest33-21ksoftirqd/219:45:002
2645199465,5cyclictest33-21ksoftirqd/221:40:232
2645199464,5cyclictest33-21ksoftirqd/222:00:242
26451994643,2cyclictest311rcuc/223:50:152
26451994629,8cyclictest33-21ksoftirqd/219:44:592
2645199462,5cyclictest33-21ksoftirqd/223:30:262
2645199462,5cyclictest33-21ksoftirqd/220:35:242
2645199462,4cyclictest33-21ksoftirqd/221:50:142
2644999462,6cyclictest9-21ksoftirqd/020:38:500
2644999461,6cyclictest9-21ksoftirqd/020:14:560
2644999461,5cyclictest9-21ksoftirqd/023:20:140
26449994614,3cyclictest9-21ksoftirqd/021:25:010
139291460,1ptp4l401ktimersoftd/319:40:093
2645199456,7cyclictest33-21ksoftirqd/223:55:212
2645199456,7cyclictest33-21ksoftirqd/220:55:162
2645199455,5cyclictest33-21ksoftirqd/221:10:132
2645199454,6cyclictest33-21ksoftirqd/220:40:152
26451994527,10cyclictest33-21ksoftirqd/220:00:192
2645199451,5cyclictest0-21swapper/220:27:322
2644999454,7cyclictest9-21ksoftirqd/020:50:200
2644999452,7cyclictest9-21ksoftirqd/021:12:240
2644999452,6cyclictest1428-21sshd22:45:240
2644999452,5cyclictest9-21ksoftirqd/022:20:190
2644999452,5cyclictest9-21ksoftirqd/021:35:180
2644999451,5cyclictest9-21ksoftirqd/021:09:030
139291450,0ptp4l401ktimersoftd/321:34:503
2645199445,7cyclictest33-21ksoftirqd/222:35:232
2645199445,6cyclictest33-21ksoftirqd/222:40:272
2645199445,6cyclictest33-21ksoftirqd/219:28:142
2645199443,9cyclictest16498-21sh22:10:162
2645199443,8cyclictest33-21ksoftirqd/219:30:022
2645199443,5cyclictest33-21ksoftirqd/223:40:112
26451994426,10cyclictest33-21ksoftirqd/221:30:192
2645199442,5cyclictest33-21ksoftirqd/200:05:272
2645199441,5cyclictest33-21ksoftirqd/221:25:192
2645199441,5cyclictest33-21ksoftirqd/221:20:282
26450994425,16cyclictest25-21ksoftirqd/121:36:581
2644999443,7cyclictest9-21ksoftirqd/023:25:250
2644999442,6cyclictest9-21ksoftirqd/021:00:250
2644999442,6cyclictest9-21ksoftirqd/000:15:450
2644999441,7cyclictest9-21ksoftirqd/021:44:010
139291440,0ptp4l401ktimersoftd/300:25:243
2645199435,7cyclictest33-21ksoftirqd/222:50:222
2645199434,5cyclictest33-21ksoftirqd/221:45:172
2645199433,7cyclictest33-21ksoftirqd/219:35:142
2645199432,5cyclictest33-21ksoftirqd/219:14:472
2645199431,5cyclictest33-21ksoftirqd/222:27:442
2645199431,5cyclictest33-21ksoftirqd/222:20:232
2644999436,6cyclictest9-21ksoftirqd/022:05:330
2644999433,9cyclictest9-21ksoftirqd/023:45:140
2644999433,9cyclictest9-21ksoftirqd/019:10:180
2644999431,6cyclictest9-21ksoftirqd/023:41:030
2644999431,5cyclictest9-21ksoftirqd/021:33:110
2644999430,5cyclictest9-21ksoftirqd/000:05:250
2645199426,8cyclictest33-21ksoftirqd/221:55:202
2645199425,7cyclictest33-21ksoftirqd/222:05:262
2645199425,5cyclictest33-21ksoftirqd/219:50:272
26451994225,10cyclictest33-21ksoftirqd/220:45:132
2645199421,5cyclictest33-21ksoftirqd/220:23:152
2645099421,38cyclictest8535-21cron19:39:591
2644999422,6cyclictest9-21ksoftirqd/019:44:310
2644999422,5cyclictest9-21ksoftirqd/020:19:370
2644999421,6cyclictest9-21ksoftirqd/020:00:180
139291420,0ptp4l401ktimersoftd/321:49:573
139291420,0ptp4l401ktimersoftd/320:11:513
139291420,0ptp4l401ktimersoftd/319:53:203
2645199413,8cyclictest33-21ksoftirqd/200:25:252
2645199412,6cyclictest33-21ksoftirqd/200:15:202
2645199410,5cyclictest321ktimersoftd/223:15:172
2644999412,6cyclictest9-21ksoftirqd/022:25:010
2644999412,5cyclictest9-21ksoftirqd/021:50:290
2644999412,3cyclictest0-21swapper/020:45:190
139291410,0ptp4l401ktimersoftd/323:00:203
139291410,0ptp4l401ktimersoftd/322:26:283
139291410,0ptp4l401ktimersoftd/300:08:023
2645199405,6cyclictest33-21ksoftirqd/220:50:242
26451994036,2cyclictest311rcuc/200:00:262
2644999403,7cyclictest9-21ksoftirqd/000:32:220
135291400,1getstats0-21swapper/321:40:323
26452993933,4cyclictest41-21ksoftirqd/320:46:583
2645199395,7cyclictest33-21ksoftirqd/221:05:172
2645199391,7cyclictest33-21ksoftirqd/222:34:332
26450993932,4cyclictest25-21ksoftirqd/100:05:001
2644999394,6cyclictest9-21ksoftirqd/021:25:230
2644999393,8cyclictest9-21ksoftirqd/022:59:010
26449993935,2cyclictest111rcuc/021:18:200
26452993833,3cyclictest41-21ksoftirqd/320:56:043
26452993832,4cyclictest41-21ksoftirqd/323:30:403
26452993832,4cyclictest41-21ksoftirqd/320:03:273
26452993832,4cyclictest41-21ksoftirqd/319:23:253
26452993832,4cyclictest41-21ksoftirqd/319:23:253
2645199380,8cyclictest33-21ksoftirqd/223:00:152
26450993832,4cyclictest25-21ksoftirqd/123:18:381
26450993831,4cyclictest25-21ksoftirqd/123:55:011
26450993831,4cyclictest25-21ksoftirqd/100:24:501
2644999383,7cyclictest9-21ksoftirqd/022:00:140
26449993814,7cyclictest9-21ksoftirqd/023:53:030
26452993731,4cyclictest41-21ksoftirqd/322:41:223
26452993731,4cyclictest41-21ksoftirqd/322:18:083
26452993731,4cyclictest41-21ksoftirqd/321:07:153
26452993731,4cyclictest41-21ksoftirqd/319:19:113
26452993727,8cyclictest41-21ksoftirqd/322:35:383
2645199373,7cyclictest33-21ksoftirqd/200:30:162
26450993731,4cyclictest25-21ksoftirqd/123:41:141
26450993731,4cyclictest25-21ksoftirqd/123:24:081
26450993731,4cyclictest25-21ksoftirqd/119:56:321
2644999375,8cyclictest9-21ksoftirqd/023:55:150
2644999374,8cyclictest9-21ksoftirqd/023:10:150
26449993731,4cyclictest9-21ksoftirqd/020:29:200
26449993731,3cyclictest9-21ksoftirqd/023:05:240
26449993730,4cyclictest9-21ksoftirqd/019:21:160
26449993730,4cyclictest9-21ksoftirqd/019:21:160
2644999370,7cyclictest9-21ksoftirqd/022:20:000
139291370,1ptp4l401ktimersoftd/321:00:303
139291370,0ptp4l401ktimersoftd/320:15:123
26452993631,3cyclictest41-21ksoftirqd/322:47:233
26452993630,4cyclictest41-21ksoftirqd/322:14:103
26452993630,4cyclictest41-21ksoftirqd/320:05:483
26452993630,4cyclictest41-21ksoftirqd/319:48:403
2645199361,9cyclictest33-21ksoftirqd/221:15:182
26450993630,4cyclictest25-21ksoftirqd/122:55:361
26450993630,4cyclictest25-21ksoftirqd/122:14:081
26450993629,5cyclictest25-21ksoftirqd/119:30:001
26450993629,4cyclictest25-21ksoftirqd/120:53:441
26450993629,4cyclictest25-21ksoftirqd/120:49:311
26449993631,3cyclictest9-21ksoftirqd/019:45:230
2644999362,4cyclictest9-21ksoftirqd/022:30:080
139291360,0ptp4l401ktimersoftd/300:10:243
26452993530,3cyclictest41-21ksoftirqd/321:21:113
26452993529,4cyclictest41-21ksoftirqd/323:09:073
26452993529,4cyclictest41-21ksoftirqd/322:58:353
26452993529,4cyclictest41-21ksoftirqd/322:32:473
26452993529,4cyclictest41-21ksoftirqd/322:21:013
26452993529,4cyclictest41-21ksoftirqd/321:51:233
26452993529,3cyclictest41-21ksoftirqd/320:50:253
26450993531,2cyclictest25-21ksoftirqd/119:40:111
26450993530,3cyclictest25-21ksoftirqd/122:45:121
26450993530,3cyclictest25-21ksoftirqd/122:29:371
26450993530,3cyclictest25-21ksoftirqd/120:58:051
26450993530,3cyclictest25-21ksoftirqd/100:08:131
26450993529,4cyclictest25-21ksoftirqd/121:45:521
26450993529,3cyclictest25-21ksoftirqd/120:16:121
26450993529,3cyclictest25-21ksoftirqd/120:03:011
2645099351,31cyclictest11389-21cron00:15:001
26449993530,3cyclictest9-21ksoftirqd/020:00:000
26449993530,3cyclictest9-21ksoftirqd/000:25:170
26449993530,2cyclictest9-21ksoftirqd/019:30:180
26449993529,3cyclictest6269-21grep00:05:000
26449993521,5cyclictest9-21ksoftirqd/020:20:150
2644999351,7cyclictest9-21ksoftirqd/019:50:130
2644999350,8cyclictest9-21ksoftirqd/019:25:160
139291350,0ptp4l401ktimersoftd/323:40:043
26452993429,3cyclictest41-21ksoftirqd/322:52:463
26452993429,3cyclictest41-21ksoftirqd/321:10:403
26452993429,3cyclictest41-21ksoftirqd/319:55:383
26452993428,4cyclictest41-21ksoftirqd/321:17:373
26452993428,4cyclictest41-21ksoftirqd/300:20:103
26450993429,3cyclictest25-21ksoftirqd/119:24:031
26450993429,3cyclictest25-21ksoftirqd/119:24:031
26450993429,3cyclictest25-21ksoftirqd/100:31:531
26450993428,4cyclictest25-21ksoftirqd/120:36:121
26450993428,4cyclictest25-21ksoftirqd/119:16:531
2645099340,33cyclictest0-21swapper/120:12:151
2644999344,3cyclictest9-21ksoftirqd/020:30:250
26449993429,3cyclictest9-21ksoftirqd/020:55:210
26449993420,6cyclictest9-21ksoftirqd/022:35:240
139291340,0ptp4l401ktimersoftd/322:00:173
26452993327,4cyclictest41-21ksoftirqd/323:59:403
26452993327,4cyclictest41-21ksoftirqd/322:07:243
26452993327,4cyclictest41-21ksoftirqd/321:27:483
26450993328,3cyclictest25-21ksoftirqd/123:12:041
26450993328,3cyclictest25-21ksoftirqd/123:06:081
26450993328,3cyclictest25-21ksoftirqd/121:58:111
26450993328,3cyclictest25-21ksoftirqd/121:02:401
26450993328,3cyclictest25-21ksoftirqd/100:28:581
26450993327,4cyclictest25-21ksoftirqd/122:53:271
26450993327,4cyclictest25-21ksoftirqd/119:54:161
26450993327,3cyclictest25-21ksoftirqd/123:26:571
26450993327,3cyclictest25-21ksoftirqd/120:22:051
26450993326,4cyclictest25-21ksoftirqd/123:32:381
2644999333,6cyclictest9-21ksoftirqd/000:36:590
1395913326,3phc2sys41-21ksoftirqd/319:25:243
139291330,0ptp4l401ktimersoftd/300:30:163
26452993227,3cyclictest41-21ksoftirqd/323:21:293
26452993226,4cyclictest41-21ksoftirqd/300:16:363
26450993227,3cyclictest25-21ksoftirqd/122:20:581
26450993227,3cyclictest25-21ksoftirqd/121:28:551
26450993227,3cyclictest25-21ksoftirqd/119:30:591
26449993228,2cyclictest9-21ksoftirqd/020:05:210
26449993227,3cyclictest9-21ksoftirqd/022:10:280
139291320,0ptp4l401ktimersoftd/323:16:123
26452993126,3cyclictest41-21ksoftirqd/323:25:353
26452993125,3cyclictest41-21ksoftirqd/300:35:093
26452993125,3cyclictest2786-21cron20:35:013
26450993126,3cyclictest25-21ksoftirqd/123:47:071
26450993126,3cyclictest25-21ksoftirqd/123:36:281
26450993126,3cyclictest25-21ksoftirqd/122:43:591
26450993126,3cyclictest25-21ksoftirqd/122:01:281
26450993126,3cyclictest25-21ksoftirqd/121:51:571
26450993126,3cyclictest25-21ksoftirqd/120:33:191
26450993126,3cyclictest25-21ksoftirqd/100:19:391
26450993125,4cyclictest25-21ksoftirqd/120:41:161
139291310,8ptp4l401ktimersoftd/323:35:183
26452993026,2cyclictest41-21ksoftirqd/320:40:033
26452993025,3cyclictest41-21ksoftirqd/323:45:113
26452993024,4cyclictest41-21ksoftirqd/323:50:353
26452993024,4cyclictest41-21ksoftirqd/321:56:363
26450993025,3cyclictest25-21ksoftirqd/122:38:471
26450993024,4cyclictest25-21ksoftirqd/121:20:481
26450993024,4cyclictest25-21ksoftirqd/121:12:471
26450993024,3cyclictest25-21ksoftirqd/121:34:421
26450993024,3cyclictest13559-21cron19:50:001
26450992924,3cyclictest25-21ksoftirqd/121:42:481
26450992924,3cyclictest25-21ksoftirqd/121:08:551
26450992924,3cyclictest25-21ksoftirqd/119:11:341
26450992823,3cyclictest25-21ksoftirqd/123:01:351
26450992823,3cyclictest25-21ksoftirqd/122:09:211
26452992722,3cyclictest41-21ksoftirqd/321:35:213
26450992621,3cyclictest25-21ksoftirqd/122:15:511
139291260,0ptp4l401ktimersoftd/319:39:543
26450992520,3cyclictest25-21ksoftirqd/122:30:231
2645099211,7cyclictest308232tr20:25:151
26450991914,3cyclictest22715-21iostat_ios21:15:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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