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2026-07-25 - 14:11
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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 rack7slot1.osadl.org (updated Sat Jul 25, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30370212666,20sleep30-21swapper/319:07:433
2945121230,1sleep319634-21stress23:59:163
30466211957,23sleep20-21swapper/219:08:582
30335211755,57sleep00-21swapper/019:07:150
2891121080,1sleep319634-21stress22:44:553
2891121080,1sleep319634-21stress22:44:553
30356210648,53sleep10-21swapper/119:07:331
74112740,1sleep119634-21stress23:07:151
30671995528,24cyclictest0-21swapper/322:11:383
30671994832,14cyclictest0-21swapper/323:06:383
30671994731,14cyclictest0-21swapper/322:17:503
30671994730,14cyclictest0-21swapper/323:28:223
30671994628,15cyclictest0-21swapper/322:54:363
30671994529,14cyclictest0-21swapper/300:00:203
30671994528,15cyclictest0-21swapper/323:00:273
30671994527,16cyclictest0-21swapper/323:15:173
30671994527,16cyclictest0-21swapper/323:15:173
3066999458,20cyclictest0-21swapper/100:10:291
30671994430,12cyclictest0-21swapper/321:37:343
30671994429,13cyclictest0-21swapper/323:50:333
30671994429,13cyclictest0-21swapper/323:40:373
30671994429,13cyclictest0-21swapper/323:38:463
30671994429,13cyclictest0-21swapper/322:57:063
30671994429,13cyclictest0-21swapper/322:25:283
30671994427,15cyclictest0-21swapper/321:20:183
30671994427,15cyclictest0-21swapper/321:20:183
30671994328,13cyclictest0-21swapper/300:28:593
30671994328,13cyclictest0-21swapper/300:28:593
30671994327,14cyclictest0-21swapper/322:35:143
30671994327,13cyclictest0-21swapper/300:16:363
30669994312,21cyclictest0-21swapper/122:30:211
30671994227,13cyclictest0-21swapper/323:23:543
30671994227,13cyclictest0-21swapper/322:30:233
30669994210,29cyclictest0-21swapper/123:12:191
30671994132,7cyclictest19634-21stress22:05:253
30671994128,11cyclictest0-21swapper/321:30:193
30671994128,11cyclictest0-21swapper/321:30:193
30671994127,12cyclictest0-21swapper/321:55:243
30671994126,13cyclictest0-21swapper/300:38:203
30671994124,14cyclictest0-21swapper/300:23:093
30669994114,25cyclictest0-21swapper/100:39:391
30671994025,13cyclictest0-21swapper/321:25:153
30671994025,13cyclictest0-21swapper/321:25:143
3066999408,29cyclictest0-21swapper/123:56:321
30669994012,25cyclictest0-21swapper/123:26:291
30669994011,26cyclictest0-21swapper/123:38:461
30669994011,26cyclictest0-21swapper/121:26:091
30669994011,26cyclictest0-21swapper/121:26:081
30671993924,13cyclictest0-21swapper/321:15:053
30671993924,13cyclictest0-21swapper/300:30:213
30671993923,13cyclictest0-21swapper/323:14:113
30671993922,14cyclictest0-21swapper/322:00:153
30669993911,25cyclictest0-21swapper/100:00:201
30669993814,21cyclictest0-21swapper/122:55:331
30669993810,25cyclictest0-21swapper/100:05:031
62032375,12sleep10-21swapper/120:37:271
3067199378,27cyclictest0-21swapper/319:50:173
30671993725,9cyclictest19634-21stress22:22:053
30671993715,19cyclictest0-21swapper/300:05:093
30670993717,12cyclictest19634-21stress22:30:362
3066999377,18cyclictest0-21swapper/123:50:331
30669993712,22cyclictest0-21swapper/122:05:431
30669993711,23cyclictest0-21swapper/121:55:211
30669993710,24cyclictest0-21swapper/121:15:041
30668993710,17cyclictest0-21swapper/020:51:480
141982375,10sleep20-21swapper/219:41:412
3067199368,26cyclictest0-21swapper/320:00:213
30671993628,6cyclictest3763-21/usr/sbin/munin19:20:143
30671993626,8cyclictest19634-21stress23:30:203
3066999369,24cyclictest0-21swapper/123:40:071
30669993613,20cyclictest0-21swapper/123:15:171
30669993613,20cyclictest0-21swapper/123:15:171
192292365,10sleep20-21swapper/221:05:592
166582365,13sleep00-21swapper/019:49:340
3067199357,25cyclictest0-21swapper/322:45:233
30671993529,4cyclictest3336-21diskstats21:45:163
30671993526,7cyclictest20000-21wc19:55:193
30671993525,8cyclictest19636-21stress21:10:003
30671993511,21cyclictest0-21swapper/321:40:293
30669993513,19cyclictest0-21swapper/121:20:221
30669993513,19cyclictest0-21swapper/121:20:221
30669993512,20cyclictest0-21swapper/123:00:021
3066899358,20cyclictest0-21swapper/019:25:060
3066899357,14cyclictest0-21swapper/023:10:140
30668993519,14cyclictest0-21swapper/000:25:320
30668993519,14cyclictest0-21swapper/000:25:320
30668993518,14cyclictest0-21swapper/021:35:010
30668993518,14cyclictest0-21swapper/021:35:010
219962354,13sleep00-21swapper/020:00:170
62772345,13sleep00-21swapper/020:38:220
32482345,12sleep10-21swapper/119:17:111
30671993422,9cyclictest19634-21stress21:10:253
30671993421,10cyclictest19634-21stress21:51:003
30671993418,13cyclictest24482-21netstat20:05:183
30671993418,13cyclictest13532-21ntpq19:40:183
30670993413,18cyclictest0-21swapper/223:45:192
30669993414,17cyclictest0-21swapper/100:15:141
30669993412,19cyclictest0-21swapper/121:45:291
30669993411,21cyclictest0-21swapper/122:00:071
30669993411,16cyclictest0-21swapper/120:30:581
3066899349,17cyclictest0-21swapper/021:06:180
3066899349,14cyclictest0-21swapper/023:40:320
3066899348,23cyclictest0-21swapper/022:35:210
3066899348,23cyclictest0-21swapper/021:23:230
3066899348,23cyclictest0-21swapper/021:23:220
3066899346,14cyclictest0-21swapper/022:20:190
3066899345,20cyclictest0-21swapper/020:30:150
30668993416,16cyclictest0-21swapper/021:45:230
30668993414,17cyclictest0-21swapper/023:08:210
30668993413,19cyclictest0-21swapper/023:30:320
30668993413,18cyclictest0-21swapper/021:13:570
30668993412,20cyclictest0-21swapper/021:00:160
30668993412,19cyclictest0-21swapper/022:01:070
276132345,10sleep10-21swapper/120:14:301
245102345,14sleep10-21swapper/120:05:191
54092335,13sleep10-21swapper/119:21:401
30671993327,4cyclictest19638-21iperf00:14:243
30671993321,9cyclictest19636-21stress23:45:283
30671993318,12cyclictest7716-21proc_pri20:40:203
30671993316,15cyclictest0-21swapper/319:30:193
30670993318,12cyclictest0-21swapper/200:13:362
30670993312,18cyclictest0-21swapper/223:30:152
3066999335,19cyclictest0-21swapper/120:25:201
30669993311,19cyclictest0-21swapper/121:10:541
30669993311,17cyclictest0-21swapper/120:45:171
30669993310,21cyclictest0-21swapper/123:30:061
30668993316,15cyclictest0-21swapper/000:15:330
30668993313,18cyclictest0-21swapper/021:56:170
187132335,13sleep10-21swapper/119:52:551
151162335,10sleep00-21swapper/020:59:280
151162335,10sleep00-21swapper/020:59:270
83672325,13sleep10-21swapper/120:42:251
61602325,12sleep20-21swapper/220:36:562
3067199328,22cyclictest0-21swapper/320:15:133
30671993224,6cyclictest32681-21runrttasks19:12:583
30671993222,7cyclictest1498-21vmstat20:25:233
30671993217,12cyclictest12022-21ntpq20:50:203
30671993216,13cyclictest9435-21sort20:45:133
3067099329,20cyclictest0-21swapper/221:48:172
30670993217,13cyclictest0-21swapper/223:50:052
30670993217,13cyclictest0-21swapper/222:37:532
30670993213,17cyclictest0-21swapper/200:35:332
30670993213,16cyclictest0-21swapper/222:25:272
30670993212,18cyclictest0-21swapper/222:55:252
30670993211,18cyclictest0-21swapper/223:20:002
30670993211,18cyclictest0-21swapper/223:20:002
30670993211,18cyclictest0-21swapper/221:30:212
30670993211,18cyclictest0-21swapper/221:30:202
3066999326,23cyclictest0-21swapper/121:40:181
30669993210,13cyclictest0-21swapper/121:01:051
3066899329,17cyclictest0-21swapper/020:28:150
3066899328,21cyclictest0-21swapper/021:40:280
30668993216,14cyclictest0-21swapper/000:20:150
30668993215,15cyclictest0-21swapper/019:15:140
30668993215,15cyclictest0-21swapper/000:35:170
30668993215,15cyclictest0-21swapper/000:30:330
30668993215,15cyclictest0-21swapper/000:10:140
30668993213,16cyclictest0-21swapper/022:45:330
30668993212,17cyclictest0-21swapper/023:45:120
30668993211,12cyclictest0-21swapper/019:30:200
30668993210,16cyclictest0-21swapper/020:15:440
30668993210,15cyclictest0-21swapper/020:45:060
253212325,13sleep00-21swapper/020:08:180
213542325,13sleep20-21swapper/220:00:072
128622325,10sleep00-21swapper/019:40:110
98612315,13sleep20-21swapper/219:32:122
3067199318,21cyclictest0-21swapper/320:55:073
3067199318,21cyclictest0-21swapper/320:55:073
3067199318,21cyclictest0-21swapper/320:38:343
30671993122,7cyclictest30151-21/usr/sbin/munin20:20:173
30671993120,8cyclictest3215-21ntpdc20:30:193
30671993119,10cyclictest11347-21ntp_states19:35:193
30671993114,15cyclictest0-21swapper/319:15:193
30671993113,17cyclictest0-21swapper/319:45:173
30670993115,14cyclictest0-21swapper/200:05:232
30670993114,15cyclictest0-21swapper/219:10:182
30670993114,14cyclictest0-21swapper/223:00:192
30670993112,16cyclictest0-21swapper/221:40:332
30670993112,15cyclictest0-21swapper/223:45:012
30670993110,18cyclictest0-21swapper/221:20:232
30670993110,18cyclictest0-21swapper/221:20:232
3066999317,14cyclictest0-21swapper/122:20:211
3066999315,24cyclictest0-21swapper/121:07:421
30669993115,14cyclictest0-21swapper/122:15:051
30669993113,16cyclictest0-21swapper/122:45:281
30669993111,17cyclictest0-21swapper/122:35:201
30669993111,17cyclictest0-21swapper/121:30:031
30669993111,17cyclictest0-21swapper/121:30:031
3066899318,16cyclictest0-21swapper/020:10:060
3066899315,19cyclictest0-21swapper/019:12:440
3066899315,13cyclictest0-21swapper/019:25:010
30668993115,14cyclictest0-21swapper/023:20:170
30668993114,15cyclictest0-21swapper/022:30:140
30668993113,15cyclictest0-21swapper/022:41:300
30668993113,15cyclictest0-21swapper/022:41:300
30668993110,15cyclictest0-21swapper/019:50:300
210532315,12sleep10-21swapper/119:59:451
3067199308,21cyclictest0-21swapper/319:27:543
30671993020,8cyclictest15999-21perl21:00:173
30671993018,11cyclictest0-21swapper/320:13:243
3067099309,18cyclictest0-21swapper/221:15:172
3067099309,14cyclictest0-21swapper/221:00:062
30670993017,12cyclictest0-21swapper/219:22:132
30670993014,14cyclictest0-21swapper/221:36:132
30670993011,17cyclictest0-21swapper/221:50:152
30670993010,17cyclictest0-21swapper/222:15:312
3066999309,16cyclictest0-21swapper/120:16:111
3066999308,20cyclictest0-21swapper/122:40:301
3066999308,20cyclictest0-21swapper/122:40:291
3066999306,22cyclictest0-21swapper/122:15:021
30669993016,12cyclictest0-21swapper/100:30:201
3066899309,19cyclictest0-21swapper/023:55:260
3066899307,20cyclictest0-21swapper/023:15:120
3066899307,20cyclictest0-21swapper/023:15:110
3066899305,23cyclictest0-21swapper/020:40:110
3066899305,22cyclictest0-21swapper/023:25:110
3066899305,19cyclictest0-21swapper/020:20:220
30668993016,12cyclictest0-21swapper/022:52:190
30668993013,15cyclictest0-21swapper/023:55:010
30668993013,14cyclictest0-21swapper/021:25:170
30668993013,14cyclictest0-21swapper/021:25:170
3067099298,18cyclictest0-21swapper/222:50:132
3067099298,18cyclictest0-21swapper/200:15:112
3067099295,22cyclictest0-21swapper/219:25:532
3067099295,22cyclictest0-21swapper/219:15:532
3067099295,13cyclictest0-21swapper/220:55:212
3067099295,13cyclictest0-21swapper/220:55:202
30670992916,12cyclictest0-21swapper/220:44:332
30670992916,12cyclictest0-21swapper/219:47:432
30670992915,12cyclictest0-21swapper/221:10:182
30670992914,13cyclictest0-21swapper/222:00:242
30670992914,12cyclictest0-21swapper/221:55:282
30670992913,14cyclictest0-21swapper/223:35:132
30670992912,14cyclictest0-21swapper/223:55:322
30670992911,15cyclictest0-21swapper/222:05:152
3066999293,16cyclictest19636-21stress22:55:011
30669992915,13cyclictest0-21swapper/120:55:131
30669992915,13cyclictest0-21swapper/120:55:131
30669992915,13cyclictest0-21swapper/120:51:431
30669992911,13cyclictest0-21swapper/119:31:181
30669992910,14cyclictest0-21swapper/120:20:121
3066899298,19cyclictest0-21swapper/021:35:100
3066899297,19cyclictest0-21swapper/021:50:180
3066899296,16cyclictest0-21swapper/019:55:430
30668992915,12cyclictest0-21swapper/019:35:260
30668992914,13cyclictest0-21swapper/021:15:270
30668992910,16cyclictest0-21swapper/022:15:020
251852295,10sleep20-21swapper/220:06:402
3067099285,21cyclictest0-21swapper/219:57:012
3067099285,15cyclictest0-21swapper/219:35:262
30670992818,4cyclictest19636-21stress22:21:412
30670992816,11cyclictest0-21swapper/220:52:132
30670992816,11cyclictest0-21swapper/220:47:412
30670992816,11cyclictest0-21swapper/220:29:412
30670992816,11cyclictest0-21swapper/220:24:332
30670992816,11cyclictest0-21swapper/219:54:432
30670992815,12cyclictest0-21swapper/220:15:132
30670992813,13cyclictest0-21swapper/222:10:332
30670992813,12cyclictest0-21swapper/223:10:032
30670992812,14cyclictest0-21swapper/200:27:242
30670992812,14cyclictest0-21swapper/200:27:242
30670992810,15cyclictest0-21swapper/221:25:202
30670992810,15cyclictest0-21swapper/221:25:202
3066999289,14cyclictest0-21swapper/119:37:141
3066999285,21cyclictest0-21swapper/119:40:231
3066999285,17cyclictest0-21swapper/119:10:201
30669992815,11cyclictest0-21swapper/119:25:191
3066899286,20cyclictest0-21swapper/000:00:340
30668992814,12cyclictest0-21swapper/022:15:070
30668992811,15cyclictest0-21swapper/023:35:050
30668992810,16cyclictest0-21swapper/022:55:180
30670992715,11cyclictest0-21swapper/220:30:422
3066999274,21cyclictest0-21swapper/119:46:231
30669992711,11cyclictest0-21swapper/120:00:281
30668992710,15cyclictest0-21swapper/022:30:000
3067099267,17cyclictest0-21swapper/223:20:052
3067099264,20cyclictest0-21swapper/220:10:182
30670992613,11cyclictest0-21swapper/200:00:292
30670992611,12cyclictest0-21swapper/222:45:222
3066999267,5cyclictest19638-21iperf00:27:351
3066999267,5cyclictest19638-21iperf00:27:341
30670992511,12cyclictest0-21swapper/223:25:192
30670992511,12cyclictest0-21swapper/223:05:142
3066999253,5cyclictest19633-21stress21:40:001
30670992410,13cyclictest0-21swapper/222:40:182
30670992410,13cyclictest0-21swapper/222:40:182
3066999249,13cyclictest0-21swapper/123:45:281
3066999233,12cyclictest19633-21stress00:21:531
3066999233,11cyclictest14327-21latency_hist23:25:011
3066899238,12cyclictest0-21swapper/023:00:160
3067099226,14cyclictest0-21swapper/200:30:372
3066999223,8cyclictest19635-21stress22:25:341
3066899226,14cyclictest0-21swapper/022:05:170
3066899225,15cyclictest0-21swapper/000:05:190
3067099212,4cyclictest19635-21stress00:20:342
3066999219,11cyclictest0-21swapper/121:50:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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