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2026-06-29 - 19:04
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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 all highest latencies:
System rackdslot2.osadl.org (updated Mon Jun 29, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263382232166,23sleep00-21swapper/007:09:190
139591207174,22phc2sys0-21swapper/307:05:013
261282206172,23sleep20-21swapper/207:06:362
242672206172,22sleep10-21swapper/107:05:061
1048221550,6sleep32669399cyclictest11:05:183
26692997231,6cyclictest33-21ksoftirqd/211:20:002
26692996834,5cyclictest33-21ksoftirqd/208:20:162
26692996531,6cyclictest33-21ksoftirqd/210:05:002
26692996530,4cyclictest33-21ksoftirqd/210:40:002
26692996433,4cyclictest33-21ksoftirqd/209:00:232
26692996431,7cyclictest33-21ksoftirqd/207:45:122
26692996431,5cyclictest33-21ksoftirqd/208:10:252
26692996430,5cyclictest33-21ksoftirqd/209:50:162
139291640,1ptp4l401ktimersoftd/310:40:593
26692996332,6cyclictest33-21ksoftirqd/211:35:172
26692996332,6cyclictest33-21ksoftirqd/208:55:282
26692996331,6cyclictest33-21ksoftirqd/208:50:142
26692996330,6cyclictest33-21ksoftirqd/210:25:002
26692996329,6cyclictest33-21ksoftirqd/211:00:132
26692996329,6cyclictest33-21ksoftirqd/210:40:172
26692996329,6cyclictest33-21ksoftirqd/208:00:232
26692996329,6cyclictest33-21ksoftirqd/207:20:142
26692996329,5cyclictest33-21ksoftirqd/209:25:002
26692996329,5cyclictest33-21ksoftirqd/207:55:242
26692996328,6cyclictest33-21ksoftirqd/208:40:122
26692996328,5cyclictest33-21ksoftirqd/210:25:272
26692996327,5cyclictest33-21ksoftirqd/211:50:182
26692996324,5cyclictest33-21ksoftirqd/211:20:232
26692996228,6cyclictest33-21ksoftirqd/209:05:282
26692996228,6cyclictest33-21ksoftirqd/207:50:242
26692996228,5cyclictest33-21ksoftirqd/212:05:232
26692996228,5cyclictest33-21ksoftirqd/211:15:002
26692996131,4cyclictest33-21ksoftirqd/208:28:012
26692996129,5cyclictest33-21ksoftirqd/209:25:222
26692996128,4cyclictest33-21ksoftirqd/208:15:132
26692996128,4cyclictest33-21ksoftirqd/207:35:272
26692996126,6cyclictest33-21ksoftirqd/210:55:152
26692996126,6cyclictest33-21ksoftirqd/210:50:262
26692996126,6cyclictest33-21ksoftirqd/209:35:242
26692996124,5cyclictest33-21ksoftirqd/211:55:192
26692996028,8cyclictest33-21ksoftirqd/208:05:282
26692996028,6cyclictest33-21ksoftirqd/212:35:192
26692996027,6cyclictest33-21ksoftirqd/210:05:152
26692996027,6cyclictest33-21ksoftirqd/207:15:232
26692996025,5cyclictest33-21ksoftirqd/211:25:172
26692996021,5cyclictest33-21ksoftirqd/212:35:002
26692995926,3cyclictest33-21ksoftirqd/207:30:012
26692995925,6cyclictest33-21ksoftirqd/212:00:222
26692995924,6cyclictest33-21ksoftirqd/209:10:262
26692995923,6cyclictest33-21ksoftirqd/210:10:132
26692995923,5cyclictest33-21ksoftirqd/207:40:272
26692995830,6cyclictest33-21ksoftirqd/207:30:102
26692995823,6cyclictest33-21ksoftirqd/212:15:172
2669099586,11cyclictest10128-21mailstats12:10:230
2669099585,12cyclictest11172-21date10:00:010
26692995729,3cyclictest33-21ksoftirqd/209:30:262
26692995725,10cyclictest33-21ksoftirqd/209:45:112
26692995724,5cyclictest33-21ksoftirqd/211:45:132
26692995724,4cyclictest33-21ksoftirqd/212:10:142
26692995721,8cyclictest33-21ksoftirqd/208:40:012
26692995721,8cyclictest33-21ksoftirqd/208:40:002
2669099573,10cyclictest0-21swapper/010:10:210
139291570,1ptp4l401ktimersoftd/308:11:273
26692995625,4cyclictest33-21ksoftirqd/210:15:192
26692995623,6cyclictest33-21ksoftirqd/212:20:162
26692995622,6cyclictest33-21ksoftirqd/210:35:012
26692995619,11cyclictest33-21ksoftirqd/210:45:222
2669099565,11cyclictest1791-21cut08:30:220
2669099564,15cyclictest26618-21apt-get11:40:110
2669299552,7cyclictest33-21ksoftirqd/211:35:002
26692995519,5cyclictest33-21ksoftirqd/211:05:132
26692995518,6cyclictest33-21ksoftirqd/207:12:292
139291550,1ptp4l401ktimersoftd/312:35:223
26692995423,4cyclictest33-21ksoftirqd/209:55:142
26692995420,4cyclictest33-21ksoftirqd/209:40:142
26692995419,4cyclictest33-21ksoftirqd/211:40:132
2669099545,18cyclictest30467-21date08:25:000
2669099545,17cyclictest10924-21date07:45:010
2669099544,14cyclictest15034-21apt-get09:00:090
26692995323,5cyclictest33-21ksoftirqd/208:30:182
26692995321,4cyclictest33-21ksoftirqd/209:15:142
2669099514,15cyclictest18422-21ls09:05:220
2669099504,8cyclictest20938-21apt-get10:20:140
2669299497,7cyclictest9782-21latency_hist08:50:012
2669099495,8cyclictest3876-21apt-get07:30:140
2669299485,3cyclictest33-21ksoftirqd/212:30:012
2669099485,8cyclictest5481-21df10:55:160
2669099485,10cyclictest20416-21iostat09:10:190
2669099483,11cyclictest0-21swapper/011:00:240
139291480,1ptp4l401ktimersoftd/308:44:303
2669099476,8cyclictest23801-21iostat08:10:190
2669099466,8cyclictest10596-21iostat_ios11:05:180
2669099456,8cyclictest6793-21df_inode09:50:140
2669099456,8cyclictest29912-21irqstats11:45:190
2669099456,7cyclictest2521-21gnome-shell09:36:590
2669099445,8cyclictest24326-21meminfo10:25:210
2669099445,8cyclictest16539-21iostat12:25:180
2669099445,7cyclictest1710-21diskstats11:55:150
2669099435,8cyclictest13290-21irqstats11:10:200
2669099435,7cyclictest19677-21python12:30:230
2669099425,8cyclictest2140-21hddtemp_smartct09:40:150
2669099425,7cyclictest1425-21memory10:45:210
139291420,1ptp4l401ktimersoftd/307:57:263
139291420,0ptp4l401ktimersoftd/311:29:413
139291410,0ptp4l401ktimersoftd/309:42:593
26693994035,3cyclictest41-21ksoftirqd/312:20:003
26693993934,3cyclictest41-21ksoftirqd/307:39:593
26693993933,4cyclictest41-21ksoftirqd/312:22:273
26691993932,4cyclictest312-21rs:main1
26693993832,4cyclictest41-21ksoftirqd/311:23:193
26693993832,4cyclictest41-21ksoftirqd/308:52:313
139291380,0ptp4l401ktimersoftd/309:14:143
41298370,7rtkit-daemon0-21swapper/111:22:201
41298370,1rtkit-daemon0-21swapper/107:56:161
26693993732,3cyclictest41-21ksoftirqd/311:03:113
26693993732,2cyclictest41-21ksoftirqd/310:34:593
26693993731,4cyclictest41-21ksoftirqd/311:35:013
26693993731,4cyclictest41-21ksoftirqd/309:39:283
26693993731,4cyclictest41-21ksoftirqd/308:28:113
26693993731,3cyclictest41-21ksoftirqd/311:50:193
26693993730,4cyclictest41-21ksoftirqd/308:36:593
26693993730,4cyclictest41-21ksoftirqd/308:36:583
26691993730,4cyclictest25-21ksoftirqd/109:05:131
26691993730,4cyclictest17155-21cron09:05:001
26691993718,16cyclictest25-21ksoftirqd/109:12:581
26691993713,4cyclictest7511-21awk12:05:221
26690993730,4cyclictest9-21ksoftirqd/011:36:470
139291370,1ptp4l401ktimersoftd/307:23:393
41298360,2rtkit-daemon0-21swapper/111:09:011
26693993632,2cyclictest41-21ksoftirqd/308:55:153
26693993631,3cyclictest41-21ksoftirqd/311:41:523
26693993631,3cyclictest41-21ksoftirqd/308:03:243
26693993630,4cyclictest41-21ksoftirqd/312:32:103
26693993630,4cyclictest41-21ksoftirqd/310:49:483
26693993630,4cyclictest41-21ksoftirqd/307:30:423
26691993631,3cyclictest25-21ksoftirqd/110:59:051
26691993630,4cyclictest25-21ksoftirqd/109:54:071
26691993630,4cyclictest25-21ksoftirqd/109:39:141
26691993630,4cyclictest25-21ksoftirqd/109:31:391
26691993630,4cyclictest25-21ksoftirqd/108:46:301
26691993630,4cyclictest25-21ksoftirqd/108:25:361
26690993629,4cyclictest9-21ksoftirqd/007:25:110
139291360,0ptp4l401ktimersoftd/311:58:133
139291360,0ptp4l401ktimersoftd/310:05:123
41298350,2rtkit-daemon0-21swapper/108:07:581
26693993530,3cyclictest41-21ksoftirqd/309:05:193
26693993530,3cyclictest41-21ksoftirqd/308:20:013
26693993529,4cyclictest41-21ksoftirqd/311:46:063
26693993529,4cyclictest41-21ksoftirqd/311:11:443
26693993529,4cyclictest41-21ksoftirqd/309:57:013
26693993529,4cyclictest41-21ksoftirqd/309:34:303
26693993529,4cyclictest41-21ksoftirqd/308:34:303
26691993529,4cyclictest25-21ksoftirqd/111:01:311
26691993529,4cyclictest25-21ksoftirqd/110:23:441
26691993529,4cyclictest25-21ksoftirqd/109:18:411
26691993529,4cyclictest25-21ksoftirqd/107:47:021
26691993528,4cyclictest25-21ksoftirqd/112:21:291
26690993528,4cyclictest9-21ksoftirqd/007:38:140
139291350,0ptp4l401ktimersoftd/310:10:133
26693993431,2cyclictest41-21ksoftirqd/310:35:203
26693993429,3cyclictest41-21ksoftirqd/311:35:303
26693993429,3cyclictest41-21ksoftirqd/311:15:103
26693993429,3cyclictest41-21ksoftirqd/310:58:093
26693993429,3cyclictest41-21ksoftirqd/309:45:123
26693993429,3cyclictest41-21ksoftirqd/308:24:113
26693993429,3cyclictest41-21ksoftirqd/307:26:103
26693993429,3cyclictest41-21ksoftirqd/307:14:383
26693993428,4cyclictest41-21ksoftirqd/310:18:563
26693993428,4cyclictest41-21ksoftirqd/309:52:153
26693993428,4cyclictest41-21ksoftirqd/309:23:523
26693993428,4cyclictest41-21ksoftirqd/309:18:473
26693993428,3cyclictest41-21ksoftirqd/312:05:003
26691993429,3cyclictest25-21ksoftirqd/112:29:231
26691993429,3cyclictest25-21ksoftirqd/110:19:561
26691993429,3cyclictest25-21ksoftirqd/110:13:161
26691993429,3cyclictest25-21ksoftirqd/108:13:021
26691993429,3cyclictest25-21ksoftirqd/108:00:091
26691993429,3cyclictest25-21ksoftirqd/107:30:051
26691993428,4cyclictest25-21ksoftirqd/112:32:161
26691993428,4cyclictest25-21ksoftirqd/112:16:441
26691993428,4cyclictest25-21ksoftirqd/112:14:511
26691993428,4cyclictest25-21ksoftirqd/107:27:521
26691993428,4cyclictest25-21ksoftirqd/107:19:461
26691993427,4cyclictest25-21ksoftirqd/111:59:551
2669099345,10cyclictest0-21swapper/008:05:310
26690993428,4cyclictest9-21ksoftirqd/010:01:520
26690993428,4cyclictest9-21ksoftirqd/008:38:030
26690993428,4cyclictest9-21ksoftirqd/008:38:030
26690993428,4cyclictest9-21ksoftirqd/008:26:000
26690993428,4cyclictest9-21ksoftirqd/007:23:530
26690993428,4cyclictest9-21ksoftirqd/007:18:090
2669099341,31cyclictest27797-21cron10:35:000
26693993329,2cyclictest41-21ksoftirqd/308:07:383
26693993328,3cyclictest41-21ksoftirqd/307:54:403
26693993327,4cyclictest41-21ksoftirqd/312:27:413
26691993328,3cyclictest25-21ksoftirqd/110:06:221
26691993328,3cyclictest25-21ksoftirqd/108:40:521
26691993328,3cyclictest25-21ksoftirqd/107:51:301
26691993327,4cyclictest25-21ksoftirqd/110:04:171
26691993327,4cyclictest25-21ksoftirqd/109:24:381
26691993327,4cyclictest25-21ksoftirqd/108:33:391
26691993314,3cyclictest27195-21unixbench_multi08:15:271
2669199330,1cyclictest0-21swapper/111:41:161
26690993329,3cyclictest9-21ksoftirqd/008:03:400
26690993327,4cyclictest9-21ksoftirqd/011:24:150
26693993227,3cyclictest41-21ksoftirqd/312:10:103
26693993227,3cyclictest41-21ksoftirqd/310:29:593
26693993227,3cyclictest41-21ksoftirqd/310:20:153
26693993227,3cyclictest41-21ksoftirqd/307:17:383
26693993226,4cyclictest41-21ksoftirqd/310:01:543
26693993226,4cyclictest41-21ksoftirqd/308:49:103
26693993226,3cyclictest41-21ksoftirqd/307:50:003
2669199329,4cyclictest29552-21sshd08:20:251
26691993227,3cyclictest25-21ksoftirqd/110:28:041
26691993227,3cyclictest25-21ksoftirqd/109:55:331
26691993226,4cyclictest25-21ksoftirqd/110:38:121
26691993226,4cyclictest25-21ksoftirqd/107:39:271
26691993226,3cyclictest25-21ksoftirqd/111:53:561
26691993215,3cyclictest25-21ksoftirqd/108:52:591
2669099324,14cyclictest15090-21ls07:50:250
26690993227,3cyclictest9-21ksoftirqd/008:41:410
26690993226,4cyclictest9-21ksoftirqd/010:36:490
26690993226,4cyclictest9-21ksoftirqd/009:23:480
26690993226,4cyclictest9-21ksoftirqd/008:47:100
26693993126,3cyclictest41-21ksoftirqd/309:00:173
26691993126,3cyclictest25-21ksoftirqd/111:32:321
26691993126,3cyclictest25-21ksoftirqd/111:12:291
26691993126,3cyclictest25-21ksoftirqd/110:32:041
26691993126,3cyclictest25-21ksoftirqd/109:44:031
26691993125,3cyclictest25-21ksoftirqd/111:36:191
26691993112,4cyclictest25-21ksoftirqd/108:58:591
2669099315,15cyclictest6354-21apt-get12:05:120
2669099314,12cyclictest0-21swapper/011:51:230
26690993126,3cyclictest9-21ksoftirqd/012:02:410
26690993126,3cyclictest9-21ksoftirqd/008:19:550
26690993126,3cyclictest9-21ksoftirqd/007:11:150
26690993125,4cyclictest9-21ksoftirqd/011:31:130
26690993125,4cyclictest9-21ksoftirqd/010:42:550
26693993025,3cyclictest41-21ksoftirqd/312:06:103
26691993025,3cyclictest25-21ksoftirqd/107:23:351
26691993025,3cyclictest25-21ksoftirqd/107:10:051
139291300,0ptp4l401ktimersoftd/309:28:083
26693992924,3cyclictest41-21ksoftirqd/307:41:243
26691992924,3cyclictest25-21ksoftirqd/112:02:251
26691992924,3cyclictest25-21ksoftirqd/111:46:511
26691992924,3cyclictest25-21ksoftirqd/111:16:481
26691992924,3cyclictest25-21ksoftirqd/110:52:181
26690992923,4cyclictest9-21ksoftirqd/011:15:130
26690992923,4cyclictest9-21ksoftirqd/010:18:000
26690992923,4cyclictest9-21ksoftirqd/009:34:120
26693992823,3cyclictest41-21ksoftirqd/310:50:163
26691992823,3cyclictest25-21ksoftirqd/112:35:311
26691992823,3cyclictest25-21ksoftirqd/107:42:321
26691992822,4cyclictest25-21ksoftirqd/109:25:511
2669099283,11cyclictest0-21swapper/009:25:120
26690992822,4cyclictest9-21ksoftirqd/012:36:200
26690992822,4cyclictest9-21ksoftirqd/012:16:260
26690992822,4cyclictest9-21ksoftirqd/008:55:400
26691992719,6cyclictest25-21ksoftirqd/108:37:441
26691992719,6cyclictest25-21ksoftirqd/108:37:441
26690992721,4cyclictest9-21ksoftirqd/007:47:440
26691992621,3cyclictest25-21ksoftirqd/109:47:361
26690992620,4cyclictest9-21ksoftirqd/011:26:400
26690992620,4cyclictest9-21ksoftirqd/009:48:350
26691992520,3cyclictest25-21ksoftirqd/111:26:021
26691992520,3cyclictest25-21ksoftirqd/110:42:531
26690992520,3cyclictest9-21ksoftirqd/009:17:020
26690992419,3cyclictest9-21ksoftirqd/010:51:510
26690992419,3cyclictest9-21ksoftirqd/008:50:520
26690992413,5cyclictest13533-21apt-get12:20:110
26690992317,4cyclictest9-21ksoftirqd/007:56:240
26690992015,3cyclictest9-21ksoftirqd/010:07:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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