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2026-01-10 - 04:32
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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 Sat Jan 10, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
190312237171,22sleep10-21swapper/119:05:511
139591237169,22phc2sys0-21swapper/319:05:573
190682206172,22sleep00-21swapper/019:06:180
193212205170,23sleep20-21swapper/219:09:382
356121590,6sleep31964799cyclictest00:10:213
820921540,7sleep31964799cyclictest00:20:193
2994121380,6sleep21964699cyclictest20:35:252
1935329070,11sleep10-21swapper/119:10:011
19644997119,4cyclictest9-21ksoftirqd/000:30:000
19646996630,8cyclictest33-21ksoftirqd/219:40:172
19646996428,5cyclictest33-21ksoftirqd/219:50:122
19644996431,7cyclictest9-21ksoftirqd/019:45:230
19644996331,10cyclictest9-21ksoftirqd/019:30:230
19646996226,10cyclictest33-21ksoftirqd/222:45:182
19646996225,5cyclictest33-21ksoftirqd/222:05:002
19644996231,4cyclictest9-21ksoftirqd/020:30:250
11882620,2sleep10-21swapper/121:50:251
19646996124,6cyclictest33-21ksoftirqd/221:10:012
19646996120,5cyclictest33-21ksoftirqd/221:40:132
19646996115,5cyclictest33-21ksoftirqd/223:25:252
19644996132,7cyclictest9-21ksoftirqd/023:50:190
19644996132,7cyclictest9-21ksoftirqd/020:20:120
19644996131,6cyclictest9-21ksoftirqd/023:45:180
19644996130,4cyclictest9-21ksoftirqd/000:05:150
19644996129,4cyclictest9-21ksoftirqd/023:40:140
19644996127,4cyclictest9-21ksoftirqd/020:00:560
19646996027,4cyclictest33-21ksoftirqd/200:30:012
19646996022,11cyclictest33-21ksoftirqd/221:35:182
19645996056,2cyclictest231rcuc/120:49:551
19644996031,3cyclictest9-21ksoftirqd/022:20:130
19644996031,3cyclictest9-21ksoftirqd/022:20:120
19644996030,8cyclictest9-21ksoftirqd/023:30:190
19644996030,6cyclictest9-21ksoftirqd/021:40:150
19644996026,4cyclictest9-21ksoftirqd/022:35:240
19644996024,4cyclictest9-21ksoftirqd/022:55:130
139291600,2ptp4l401ktimersoftd/320:10:013
19646995917,9cyclictest33-21ksoftirqd/220:30:002
19644995930,7cyclictest9-21ksoftirqd/022:30:160
19644995929,5cyclictest9-21ksoftirqd/022:25:120
19644995925,6cyclictest9-21ksoftirqd/000:25:000
139291590,52ptp4l0-21swapper/319:10:013
19646995823,5cyclictest33-21ksoftirqd/220:15:182
19646995823,4cyclictest33-21ksoftirqd/223:05:132
19644995831,3cyclictest9-21ksoftirqd/022:05:210
19644995828,6cyclictest9-21ksoftirqd/021:10:260
19644995827,3cyclictest9-21ksoftirqd/019:20:010
19644995827,3cyclictest9-21ksoftirqd/000:10:180
139291580,1ptp4l401ktimersoftd/319:26:233
19646995727,7cyclictest33-21ksoftirqd/219:40:012
19646995726,5cyclictest33-21ksoftirqd/223:20:242
19646995722,6cyclictest33-21ksoftirqd/200:20:002
19646995719,4cyclictest33-21ksoftirqd/220:23:112
19646995716,7cyclictest33-21ksoftirqd/200:06:272
19646995716,4cyclictest33-21ksoftirqd/220:08:352
19646995715,5cyclictest33-21ksoftirqd/220:27:402
19644995731,4cyclictest9-21ksoftirqd/021:45:160
19644995729,6cyclictest9-21ksoftirqd/023:00:230
19644995729,4cyclictest9-21ksoftirqd/021:15:150
19644995729,10cyclictest9-21ksoftirqd/021:05:160
19644995727,7cyclictest9-21ksoftirqd/019:20:220
19646995623,3cyclictest33-21ksoftirqd/219:15:142
19646995621,6cyclictest33-21ksoftirqd/223:55:012
19646995615,5cyclictest33-21ksoftirqd/222:37:462
19646995614,10cyclictest33-21ksoftirqd/200:25:052
1964499563,9cyclictest9-21ksoftirqd/000:40:010
19644995630,7cyclictest9-21ksoftirqd/021:00:240
19644995626,3cyclictest9-21ksoftirqd/020:40:140
19646995522,5cyclictest33-21ksoftirqd/223:45:132
19646995521,5cyclictest33-21ksoftirqd/221:19:592
19646995519,9cyclictest33-21ksoftirqd/221:49:322
139291550,1ptp4l401ktimersoftd/320:30:273
19646995426,5cyclictest33-21ksoftirqd/200:00:262
19646995423,7cyclictest33-21ksoftirqd/223:04:592
19646995423,4cyclictest33-21ksoftirqd/220:40:192
19646995422,4cyclictest33-21ksoftirqd/220:10:162
19646995421,5cyclictest33-21ksoftirqd/223:35:162
19646995413,12cyclictest33-21ksoftirqd/223:31:002
19644995427,3cyclictest9-21ksoftirqd/023:35:110
19644995426,4cyclictest9-21ksoftirqd/021:55:170
19644995426,3cyclictest9-21ksoftirqd/020:10:230
88822530,2sleep20-21swapper/200:20:262
19646995330,5cyclictest33-21ksoftirqd/200:15:002
19646995327,6cyclictest33-21ksoftirqd/222:05:122
19646995322,4cyclictest33-21ksoftirqd/222:30:262
19646995321,6cyclictest33-21ksoftirqd/219:55:132
19646995320,6cyclictest33-21ksoftirqd/220:00:162
19646995320,6cyclictest33-21ksoftirqd/219:30:152
19646995319,4cyclictest33-21ksoftirqd/222:54:592
19646995315,11cyclictest33-21ksoftirqd/221:25:042
19644995328,4cyclictest9-21ksoftirqd/023:10:000
19644995326,6cyclictest9-21ksoftirqd/000:15:190
135291530,2getstats0-21swapper/323:05:223
19646995219,8cyclictest33-21ksoftirqd/219:20:202
19646995218,6cyclictest33-21ksoftirqd/223:10:152
19646995218,5cyclictest33-21ksoftirqd/221:30:202
19646995218,4cyclictest33-21ksoftirqd/220:45:162
19646995217,6cyclictest33-21ksoftirqd/220:50:132
1964499528,8cyclictest9-21ksoftirqd/000:00:190
1964499526,8cyclictest9-21ksoftirqd/019:45:000
19644995222,4cyclictest9-21ksoftirqd/023:20:230
19644995220,7cyclictest9-21ksoftirqd/020:45:140
19646995122,7cyclictest33-21ksoftirqd/222:20:002
19646995118,5cyclictest33-21ksoftirqd/222:20:182
19646995118,5cyclictest33-21ksoftirqd/222:20:172
19646995117,6cyclictest33-21ksoftirqd/223:15:212
19646995117,6cyclictest33-21ksoftirqd/219:10:152
19646995114,6cyclictest33-21ksoftirqd/221:50:212
1964599515,9cyclictest25-21ksoftirqd/123:40:171
1964599512,5cyclictest241ktimersoftd/100:35:251
1964499517,7cyclictest9-21ksoftirqd/021:35:230
19644995128,4cyclictest9-21ksoftirqd/019:50:170
19644995123,6cyclictest9-21ksoftirqd/022:15:200
19646995029,11cyclictest33-21ksoftirqd/200:35:242
19646995022,4cyclictest33-21ksoftirqd/223:40:162
19646995021,6cyclictest33-21ksoftirqd/221:20:112
19646995018,4cyclictest33-21ksoftirqd/221:10:152
19646995016,7cyclictest33-21ksoftirqd/200:00:012
19646995016,7cyclictest33-21ksoftirqd/200:00:012
19646995015,6cyclictest33-21ksoftirqd/222:25:132
19646995015,4cyclictest33-21ksoftirqd/222:10:212
19646995013,3cyclictest33-21ksoftirqd/222:55:202
1964599508,6cyclictest25-21ksoftirqd/100:05:241
1964599505,6cyclictest25-21ksoftirqd/119:55:191
1964599503,5cyclictest25-21ksoftirqd/121:25:131
1964599502,6cyclictest25-21ksoftirqd/119:50:141
1964599500,5cyclictest241ktimersoftd/120:30:231
19644995035,3cyclictest9-21ksoftirqd/022:40:140
19644995032,9cyclictest9-21ksoftirqd/000:35:010
19644995026,4cyclictest9-21ksoftirqd/023:55:150
19644995026,4cyclictest9-21ksoftirqd/023:55:150
19644995020,6cyclictest9-21ksoftirqd/019:25:230
19646994931,5cyclictest33-21ksoftirqd/220:55:132
19646994931,5cyclictest33-21ksoftirqd/220:55:132
19646994916,5cyclictest33-21ksoftirqd/219:45:012
1964599496,6cyclictest25-21ksoftirqd/122:20:001
1964599493,6cyclictest25-21ksoftirqd/120:10:011
1964599493,6cyclictest25-21ksoftirqd/119:15:121
1964599493,5cyclictest25-21ksoftirqd/122:00:001
1964599492,6cyclictest25-21ksoftirqd/122:55:241
19645994920,6cyclictest25-21ksoftirqd/100:10:271
1964499496,8cyclictest9-21ksoftirqd/020:05:130
19644994938,3cyclictest9-21ksoftirqd/022:00:150
1964499492,7cyclictest9-21ksoftirqd/022:46:270
19644994922,4cyclictest9-21ksoftirqd/023:15:160
19646994815,6cyclictest33-21ksoftirqd/219:25:282
19646994811,4cyclictest33-21ksoftirqd/222:43:122
1964599487,5cyclictest25-21ksoftirqd/119:40:171
1964599486,5cyclictest25-21ksoftirqd/120:55:181
1964599486,5cyclictest25-21ksoftirqd/120:55:181
1964599483,7cyclictest25-21ksoftirqd/123:05:141
1964599483,6cyclictest25-21ksoftirqd/122:35:141
1964599483,6cyclictest25-21ksoftirqd/121:45:001
1964599482,5cyclictest0-21swapper/120:10:161
1964599481,6cyclictest25-21ksoftirqd/121:21:451
1964599481,5cyclictest0-21swapper/123:55:251
1964599481,5cyclictest0-21swapper/123:55:251
19644994833,4cyclictest9-21ksoftirqd/022:10:230
19644994830,8cyclictest9-21ksoftirqd/019:10:170
1964499481,9cyclictest9-21ksoftirqd/019:35:250
19646994729,8cyclictest33-21ksoftirqd/221:00:272
19646994729,5cyclictest33-21ksoftirqd/222:00:012
1964599475,6cyclictest25-21ksoftirqd/119:45:171
1964599472,7cyclictest25-21ksoftirqd/122:50:141
1964599472,7cyclictest25-21ksoftirqd/121:05:241
1964599472,6cyclictest25-21ksoftirqd/120:00:151
1964599472,6cyclictest25-21ksoftirqd/119:30:221
1964599472,5cyclictest25-21ksoftirqd/122:10:241
1964599472,5cyclictest25-21ksoftirqd/121:15:231
1964599471,6cyclictest25-21ksoftirqd/123:10:221
1964599471,6cyclictest241ktimersoftd/123:20:161
1964599471,6cyclictest241ktimersoftd/120:25:151
1964599471,5cyclictest25-21ksoftirqd/123:30:141
1964599471,5cyclictest241ktimersoftd/100:30:141
1964499475,4cyclictest1-21systemd20:35:530
1964499474,7cyclictest9-21ksoftirqd/023:10:130
19644994737,3cyclictest9-21ksoftirqd/020:55:260
19644994737,3cyclictest9-21ksoftirqd/020:55:260
19644994727,10cyclictest9-21ksoftirqd/021:25:140
1964499472,3cyclictest9-21ksoftirqd/020:25:180
1964499471,7cyclictest9-21ksoftirqd/021:20:210
1964499471,6cyclictest9-21ksoftirqd/021:50:150
1964499470,7cyclictest9-21ksoftirqd/022:50:250
1964599463,6cyclictest25-21ksoftirqd/122:45:151
1964599463,5cyclictest25-21ksoftirqd/120:15:231
1964599463,5cyclictest25-21ksoftirqd/119:35:231
1964599462,6cyclictest25-21ksoftirqd/123:00:181
1964599462,5cyclictest25-21ksoftirqd/123:35:121
19645994622,7cyclictest25-21ksoftirqd/122:40:181
19645994619,3cyclictest25-21ksoftirqd/122:26:231
1964599461,7cyclictest241ktimersoftd/121:04:591
1964599461,6cyclictest25-21ksoftirqd/121:45:141
1964599461,6cyclictest25-21ksoftirqd/120:20:121
1964599461,5cyclictest25-21ksoftirqd/123:50:181
1964599460,8cyclictest241ktimersoftd/100:20:141
1964599460,5cyclictest241ktimersoftd/120:50:131
1964499465,7cyclictest9-21ksoftirqd/020:15:260
1964499463,3cyclictest9-21ksoftirqd/019:55:130
19644994632,3cyclictest9-21ksoftirqd/023:25:240
1964499461,9cyclictest9-21ksoftirqd/020:50:130
1964599453,6cyclictest25-21ksoftirqd/100:15:261
1964599453,5cyclictest25-21ksoftirqd/122:20:251
1964599453,5cyclictest25-21ksoftirqd/122:20:251
1964599452,6cyclictest25-21ksoftirqd/123:25:161
19645994520,7cyclictest25-21ksoftirqd/120:40:161
1964599451,7cyclictest241ktimersoftd/122:05:011
1964599451,5cyclictest0-21swapper/119:25:201
1964599451,4cyclictest0-21swapper/120:35:141
1964599450,9cyclictest241ktimersoftd/121:30:201
1964599450,6cyclictest9761-21cpuspeed_turbos00:25:111
19644994529,7cyclictest9-21ksoftirqd/021:30:260
1964599442,6cyclictest25-21ksoftirqd/122:30:161
1964599442,6cyclictest25-21ksoftirqd/119:20:191
139291440,0ptp4l401ktimersoftd/322:50:083
19647994337,4cyclictest26983-21turbostat.cron23:55:003
1964599435,5cyclictest25-21ksoftirqd/122:05:131
1964599433,7cyclictest25-21ksoftirqd/123:45:141
1964599432,5cyclictest25-21ksoftirqd/123:15:261
1964599432,5cyclictest25-21ksoftirqd/121:35:141
139291430,0ptp4l401ktimersoftd/323:25:333
139291430,0ptp4l401ktimersoftd/323:01:023
1964599420,6cyclictest241ktimersoftd/100:05:001
139291420,1ptp4l401ktimersoftd/300:27:333
139291420,0ptp4l401ktimersoftd/322:37:423
1964599412,5cyclictest241ktimersoftd/121:15:011
139291410,0ptp4l401ktimersoftd/322:00:013
139291410,0ptp4l401ktimersoftd/320:19:023
139291410,0ptp4l401ktimersoftd/300:36:083
135291410,1getstats0-21swapper/323:20:223
19647993932,4cyclictest41-21ksoftirqd/323:45:333
139291390,1ptp4l401ktimersoftd/323:40:253
19647993832,4cyclictest41-21ksoftirqd/320:13:313
19647993731,4cyclictest41-21ksoftirqd/321:16:023
19647993731,4cyclictest41-21ksoftirqd/320:56:363
19647993731,4cyclictest41-21ksoftirqd/320:56:363
19647993730,5cyclictest41-21ksoftirqd/319:40:593
139291370,0ptp4l401ktimersoftd/322:34:433
19647993631,3cyclictest41-21ksoftirqd/320:53:253
19647993630,4cyclictest41-21ksoftirqd/323:15:413
19647993630,4cyclictest41-21ksoftirqd/322:57:403
19647993630,4cyclictest41-21ksoftirqd/322:04:003
19647993630,4cyclictest41-21ksoftirqd/321:36:393
19647993630,4cyclictest41-21ksoftirqd/300:03:393
19647993629,4cyclictest41-21ksoftirqd/320:00:413
139291360,0ptp4l401ktimersoftd/322:05:253
139291360,0ptp4l401ktimersoftd/320:25:123
139291360,0ptp4l401ktimersoftd/300:15:123
19647993530,3cyclictest41-21ksoftirqd/322:48:423
19647993529,4cyclictest41-21ksoftirqd/323:39:203
19647993429,3cyclictest41-21ksoftirqd/320:40:013
19647993428,4cyclictest41-21ksoftirqd/321:53:323
19647993428,4cyclictest41-21ksoftirqd/321:46:063
19647993428,4cyclictest41-21ksoftirqd/321:07:203
19647993428,4cyclictest41-21ksoftirqd/321:02:423
19647993428,4cyclictest41-21ksoftirqd/320:42:093
19647993328,3cyclictest41-21ksoftirqd/322:42:593
19647993327,4cyclictest41-21ksoftirqd/321:41:133
19647993327,4cyclictest41-21ksoftirqd/321:26:293
19647993327,4cyclictest41-21ksoftirqd/320:45:053
139291330,0ptp4l401ktimersoftd/322:24:163
139291330,0ptp4l401ktimersoftd/322:24:153
19647993227,3cyclictest41-21ksoftirqd/321:22:333
19647993227,3cyclictest41-21ksoftirqd/319:58:043
19647993227,3cyclictest41-21ksoftirqd/300:32:373
19647993226,4cyclictest41-21ksoftirqd/323:57:123
19647993226,4cyclictest41-21ksoftirqd/323:57:123
19647993226,4cyclictest41-21ksoftirqd/320:22:353
139291320,9ptp4l401ktimersoftd/322:11:463
139291320,0ptp4l401ktimersoftd/321:13:433
19647993125,4cyclictest41-21ksoftirqd/319:19:213
19647993125,3cyclictest41-21ksoftirqd/319:22:473
139291310,10ptp4l401ktimersoftd/322:15:193
139291310,0ptp4l401ktimersoftd/319:50:223
19647993025,3cyclictest41-21ksoftirqd/323:13:003
19647993025,3cyclictest41-21ksoftirqd/322:28:313
19647993025,3cyclictest41-21ksoftirqd/321:34:273
19647993025,3cyclictest41-21ksoftirqd/319:39:023
19647993025,3cyclictest139291ptp4l23:30:203
139291300,0ptp4l401ktimersoftd/319:49:593
19647992924,3cyclictest41-21ksoftirqd/300:05:183
19647992318,3cyclictest41-21ksoftirqd/319:30:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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