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2026-03-14 - 02:54
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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 rack7slot1.osadl.org (updated Sat Mar 14, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14434211652,23sleep10-21swapper/119:08:531
1806721150,1sleep21711-21stress23:02:412
14458211453,23sleep00-21swapper/019:09:110
14431210350,48sleep30-21swapper/319:08:513
12665210075,20sleep20-21swapper/219:05:082
14623995225,24cyclictest0-21swapper/022:55:140
14623995132,17cyclictest0-21swapper/022:37:500
1462399498,32cyclictest0-21swapper/022:10:010
14623994822,11cyclictest1711-21stress22:15:150
14623994822,11cyclictest1711-21stress22:15:150
14623994728,16cyclictest0-21swapper/000:30:000
14623994712,11cyclictest1711-21stress00:23:420
1462399467,23cyclictest0-21swapper/023:45:270
14623994628,15cyclictest0-21swapper/023:54:170
14623994628,15cyclictest0-21swapper/023:54:160
14623994528,15cyclictest0-21swapper/000:38:230
14623994527,15cyclictest0-21swapper/023:35:160
14623994527,15cyclictest0-21swapper/023:35:160
14623994526,16cyclictest0-21swapper/022:30:140
14623994427,15cyclictest0-21swapper/000:00:170
14623994425,16cyclictest0-21swapper/021:35:360
14623994422,12cyclictest0-21swapper/000:33:470
14623994413,18cyclictest1711-21stress23:30:310
14623994413,18cyclictest1711-21stress23:30:310
14623994411,25cyclictest0-21swapper/021:27:340
1462399435,23cyclictest0-21swapper/021:15:360
14623994326,15cyclictest0-21swapper/023:55:250
14623994326,15cyclictest0-21swapper/023:41:410
14623994316,17cyclictest1711-21stress22:50:170
1462399428,28cyclictest0-21swapper/019:25:220
14623994227,12cyclictest0-21swapper/022:45:140
14623994217,15cyclictest15805-21/usr/sbin/munin19:10:180
14623994216,14cyclictest1711-21stress21:10:330
14626994118,20cyclictest0-21swapper/323:15:323
1462399417,24cyclictest0-21swapper/023:15:140
14623994126,13cyclictest0-21swapper/021:30:250
14623994124,14cyclictest0-21swapper/022:24:240
14623994124,14cyclictest0-21swapper/022:24:240
14623994117,9cyclictest1708-21stress21:20:120
14623994117,10cyclictest20710-21basename23:10:110
14623994114,14cyclictest1711-21stress21:50:000
14623994113,13cyclictest1711-21stress00:05:470
14623994113,13cyclictest1711-21stress00:05:470
14623994113,13cyclictest1708-21stress23:27:360
1462699403,35cyclictest1711-21stress22:28:453
14626994019,19cyclictest0-21swapper/322:40:203
14626994018,20cyclictest0-21swapper/322:50:273
1462399406,24cyclictest0-21swapper/021:50:140
14623994026,13cyclictest0-21swapper/020:25:460
14623994014,17cyclictest12814-21munin-run20:20:000
14623994014,13cyclictest1711-21stress23:05:140
14623994013,16cyclictest1711-21stress22:10:200
14623994012,12cyclictest1711-21stress23:00:090
1462699396,30cyclictest0-21swapper/321:55:173
14626993917,19cyclictest0-21swapper/300:22:433
1462399397,24cyclictest0-21swapper/020:00:110
14623993922,5cyclictest1707-21stress21:55:220
14623993915,8cyclictest29381-21proc_pri19:40:210
14623993913,11cyclictest1711-21stress00:16:050
14623993912,16cyclictest1711-21stress23:22:270
14623993912,16cyclictest1711-21stress22:40:160
1462699385,30cyclictest0-21swapper/322:37:503
1462699385,30cyclictest0-21swapper/320:30:113
14626993819,16cyclictest0-21swapper/321:40:283
14626993819,16cyclictest0-21swapper/321:40:273
14626993818,18cyclictest0-21swapper/321:15:163
14626993817,19cyclictest0-21swapper/300:25:233
1462399388,23cyclictest0-21swapper/020:05:220
1462399387,18cyclictest0-21swapper/020:50:230
14623993815,8cyclictest30869-21grep21:00:170
14623993815,21cyclictest0-21swapper/020:35:130
14623993814,19cyclictest0-21swapper/019:35:280
14623993814,13cyclictest1215-21proc_pri19:50:220
1462699376,28cyclictest0-21swapper/323:44:003
1462699376,27cyclictest1708-21stress21:25:243
1462699373,31cyclictest1711-21stress23:58:263
1462699373,31cyclictest0-21swapper/322:57:263
1462699372,32cyclictest1708-21stress00:14:243
1462699372,32cyclictest1708-21stress00:14:243
14626993718,16cyclictest0-21swapper/323:08:333
1462399379,20cyclictest0-21swapper/019:45:200
1462399379,12cyclictest1711-21stress22:25:140
1462399377,23cyclictest0-21swapper/020:43:020
14623993715,11cyclictest24110-21diskstats20:45:120
14623993712,9cyclictest1708-21stress00:10:130
14623993712,9cyclictest1708-21stress00:10:130
234222365,13sleep20-21swapper/220:44:542
213972365,13sleep10-21swapper/119:20:511
195762364,11sleep10-21swapper/119:19:551
16212365,13sleep10-21swapper/121:09:541
1462699366,27cyclictest1711-21stress23:30:243
1462699366,27cyclictest1711-21stress23:30:233
1462699366,27cyclictest1708-21stress23:20:283
1462699366,27cyclictest1708-21stress22:20:353
1462699366,27cyclictest1708-21stress22:20:353
1462699366,27cyclictest0-21swapper/319:30:133
1462699366,26cyclictest1711-21stress00:35:143
1462699364,29cyclictest1708-21stress00:15:213
1462699363,30cyclictest1711-21stress21:10:223
1462699363,30cyclictest1708-21stress22:05:173
14626993617,17cyclictest0-21swapper/321:35:123
1462399368,21cyclictest0-21swapper/019:20:060
1462399366,23cyclictest0-21swapper/019:15:170
14623993617,4cyclictest701-21ntp_states21:05:180
14623993615,6cyclictest9743-21ntp_states20:10:200
81842355,13sleep20-21swapper/220:06:082
318602355,13sleep10-21swapper/121:04:131
1462699356,27cyclictest29385-21unixbench_singl20:55:233
1462699356,27cyclictest0-21swapper/321:00:233
1462699356,26cyclictest1711-21stress23:00:243
1462699356,26cyclictest0-21swapper/321:25:013
1462699356,26cyclictest0-21swapper/321:05:133
1462699356,26cyclictest0-21swapper/320:45:223
1462699356,26cyclictest0-21swapper/320:00:153
1462699353,29cyclictest1708-21stress23:35:103
1462699353,29cyclictest1708-21stress23:35:103
1462699353,29cyclictest16159-21ntp_states20:25:203
1462699353,29cyclictest0-21swapper/319:55:243
1462699353,29cyclictest0-21swapper/319:55:243
14626993520,13cyclictest0-21swapper/322:34:223
1462399356,22cyclictest0-21swapper/020:20:470
14623993515,6cyclictest28775-21memory20:55:170
14623993515,5cyclictest2563-21sort19:55:140
14623993515,5cyclictest2563-21sort19:55:140
14623993514,6cyclictest18476-21python20:30:200
14623993513,19cyclictest1711-21stress22:00:040
14623993512,7cyclictest1708-21stress21:40:070
14623993512,7cyclictest1708-21stress21:40:060
105092355,11sleep10-21swapper/120:13:201
297942345,13sleep10-21swapper/120:59:571
253412345,11sleep20-21swapper/220:47:092
233242344,13sleep10-21swapper/120:43:361
168912345,14sleep20-21swapper/220:27:532
164452344,13sleep10-21swapper/119:11:291
1462699346,26cyclictest1708-21stress22:00:343
1462699346,26cyclictest0-21swapper/320:05:123
1462699346,25cyclictest0-21swapper/320:50:153
1462699346,25cyclictest0-21swapper/320:40:153
1462699346,25cyclictest0-21swapper/320:35:143
1462699346,25cyclictest0-21swapper/320:15:223
1462699346,25cyclictest0-21swapper/320:10:113
1462699346,25cyclictest0-21swapper/319:35:163
1462699346,25cyclictest0-21swapper/319:25:243
1462699346,25cyclictest0-21swapper/319:20:133
1462699345,26cyclictest1708-21stress21:33:213
1462699343,29cyclictest1711-21stress23:25:343
1462699343,28cyclictest29196-21missed_timers19:40:173
1462699343,23cyclictest32381-21modprobe19:50:003
1462699342,29cyclictest1708-21stress23:45:163
14626993418,14cyclictest0-21swapper/322:45:153
14624993413,19cyclictest0-21swapper/121:20:441
14623993412,19cyclictest0-21swapper/019:31:260
258162335,14sleep10-21swapper/119:32:511
254502335,14sleep10-21swapper/120:48:331
1462699336,25cyclictest0-21swapper/323:15:013
1462699336,24cyclictest0-21swapper/319:50:133
1462699336,24cyclictest0-21swapper/300:05:153
1462699336,24cyclictest0-21swapper/300:05:143
1462699333,27cyclictest27906-21diskstats22:10:173
1462699333,27cyclictest18134-21df_inode19:15:133
1462699333,27cyclictest14003-21ntp_states20:20:193
1462699332,29cyclictest14839-21/usr/sbin/munin19:10:143
1462599336,24cyclictest0-21swapper/221:25:332
1462599335,26cyclictest0-21swapper/220:04:212
14625993316,15cyclictest0-21swapper/220:51:112
14625993312,18cyclictest0-21swapper/221:54:122
14625993310,20cyclictest0-21swapper/200:10:172
14625993310,20cyclictest0-21swapper/200:10:162
1462499339,18cyclictest0-21swapper/120:20:061
1462499335,17cyclictest0-21swapper/119:58:331
1462499335,17cyclictest0-21swapper/119:58:331
14624993313,18cyclictest0-21swapper/121:18:371
14624993310,18cyclictest0-21swapper/119:35:281
104522335,14sleep20-21swapper/220:12:382
211172325,11sleep10-21swapper/120:37:341
166102325,13sleep20-21swapper/219:13:392
146492325,13sleep20-21swapper/220:21:432
1462699323,27cyclictest30343-21irqstats22:15:233
1462699323,27cyclictest30343-21irqstats22:15:233
1462699323,27cyclictest22694-21df_inode00:30:153
1462699323,26cyclictest10497-21ntp_states00:00:263
14625993214,15cyclictest0-21swapper/200:00:222
14625993212,17cyclictest0-21swapper/222:13:252
1462499329,18cyclictest0-21swapper/120:28:261
1462499329,17cyclictest0-21swapper/119:44:261
1462499327,19cyclictest0-21swapper/120:00:201
1462499325,20cyclictest0-21swapper/119:49:491
14624993216,14cyclictest0-21swapper/120:05:141
126972325,13sleep10-21swapper/120:19:061
1462699315,23cyclictest1708-21stress21:45:083
1462699315,23cyclictest0-21swapper/321:50:143
1462599319,19cyclictest0-21swapper/222:50:162
1462599318,20cyclictest0-21swapper/223:48:572
1462599318,20cyclictest0-21swapper/222:15:172
1462599318,20cyclictest0-21swapper/222:15:162
1462599316,22cyclictest0-21swapper/200:06:132
1462599316,22cyclictest0-21swapper/200:06:132
1462599315,24cyclictest0-21swapper/220:56:312
1462599315,24cyclictest0-21swapper/220:36:422
1462599315,24cyclictest0-21swapper/220:31:312
1462599315,24cyclictest0-21swapper/219:30:312
14625993117,13cyclictest0-21swapper/219:40:222
14625993117,13cyclictest0-21swapper/219:22:212
14625993115,14cyclictest0-21swapper/223:55:342
14625993115,13cyclictest0-21swapper/221:23:342
14625993115,13cyclictest0-21swapper/221:18:592
14625993115,13cyclictest0-21swapper/200:26:302
14625993114,15cyclictest0-21swapper/222:40:232
14625993112,16cyclictest0-21swapper/222:05:232
14625993110,18cyclictest0-21swapper/222:04:312
1462499318,21cyclictest0-21swapper/123:10:141
1462499318,21cyclictest0-21swapper/120:30:301
1462499318,17cyclictest0-21swapper/119:27:271
1462499315,21cyclictest0-21swapper/120:50:071
1462499315,20cyclictest0-21swapper/119:50:231
1462499315,15cyclictest0-21swapper/121:10:221
14624993115,13cyclictest0-21swapper/123:40:171
14624993115,13cyclictest0-21swapper/122:40:261
14624993114,15cyclictest0-21swapper/123:01:291
1462699303,24cyclictest5935-21if_eth223:50:203
1462699303,24cyclictest5935-21if_eth223:50:203
1462599306,21cyclictest0-21swapper/223:22:522
14625993015,12cyclictest0-21swapper/221:39:162
14625993013,14cyclictest0-21swapper/200:15:292
14625993012,15cyclictest0-21swapper/222:45:412
1462499306,21cyclictest0-21swapper/122:00:101
1462499303,15cyclictest0-21swapper/100:25:231
14624993015,13cyclictest0-21swapper/100:31:381
14624993014,14cyclictest0-21swapper/123:15:091
14624993014,14cyclictest0-21swapper/121:55:181
14624993012,16cyclictest0-21swapper/121:45:211
1462599297,19cyclictest0-21swapper/223:05:162
1462599296,21cyclictest0-21swapper/221:40:272
1462599296,21cyclictest0-21swapper/221:40:262
1462599295,22cyclictest0-21swapper/221:01:512
1462599295,22cyclictest0-21swapper/220:16:112
1462599295,22cyclictest0-21swapper/219:50:192
1462599295,22cyclictest0-21swapper/219:49:522
1462599295,22cyclictest0-21swapper/219:28:412
1462599295,22cyclictest0-21swapper/219:15:122
1462599295,11cyclictest0-21swapper/219:35:512
14625992915,12cyclictest0-21swapper/200:20:332
14625992911,15cyclictest0-21swapper/223:40:262
14625992910,17cyclictest0-21swapper/222:35:212
14625992910,17cyclictest0-21swapper/221:55:162
14624992915,12cyclictest0-21swapper/121:50:211
14624992914,13cyclictest0-21swapper/123:51:501
14624992914,13cyclictest0-21swapper/123:51:491
14624992910,17cyclictest0-21swapper/123:25:151
1462599286,20cyclictest0-21swapper/222:30:172
1462599285,22cyclictest0-21swapper/219:55:512
1462599285,22cyclictest0-21swapper/219:55:512
14625992816,11cyclictest0-21swapper/221:05:222
14625992815,11cyclictest0-21swapper/223:15:052
1462499289,17cyclictest0-21swapper/122:55:281
1462499289,17cyclictest0-21swapper/100:35:071
1462499286,20cyclictest0-21swapper/121:40:171
1462499286,20cyclictest0-21swapper/121:40:161
1462499286,19cyclictest0-21swapper/121:25:141
14624992814,12cyclictest0-21swapper/123:55:091
14624992814,12cyclictest0-21swapper/122:20:121
14624992814,12cyclictest0-21swapper/122:20:121
14624992814,11cyclictest0-21swapper/122:05:261
1462599276,19cyclictest0-21swapper/223:10:262
1462499276,19cyclictest0-21swapper/122:35:211
1462499276,19cyclictest0-21swapper/121:30:141
1462499275,10cyclictest0-21swapper/100:10:461
1462499275,10cyclictest0-21swapper/100:10:451
14624992713,12cyclictest0-21swapper/123:30:181
14624992713,12cyclictest0-21swapper/123:30:171
14624992710,15cyclictest0-21swapper/122:50:241
14624992710,15cyclictest0-21swapper/122:30:201
1462599266,17cyclictest0-21swapper/221:45:182
14625992611,13cyclictest0-21swapper/200:35:182
14625992610,13cyclictest0-21swapper/223:50:092
14625992610,13cyclictest0-21swapper/223:50:082
1462599256,17cyclictest0-21swapper/223:25:112
1462499258,15cyclictest0-21swapper/123:20:261
1462499258,15cyclictest0-21swapper/100:15:081
1462499256,17cyclictest0-21swapper/121:35:151
14624992512,11cyclictest0-21swapper/123:35:171
14624992512,11cyclictest0-21swapper/123:35:171
1462599249,13cyclictest0-21swapper/222:20:222
1462599249,13cyclictest0-21swapper/222:20:222
1462599246,16cyclictest0-21swapper/221:10:152
14625992411,11cyclictest0-21swapper/200:30:252
1462499245,16cyclictest0-21swapper/122:20:031
1462499245,16cyclictest0-21swapper/122:20:021
1462499236,15cyclictest0-21swapper/122:45:251
1462499236,11cyclictest2452-21runrttasks22:25:281
14624992318,4cyclictest14621-21cyclictest00:06:041
14624992318,4cyclictest14621-21cyclictest00:06:031
14624992310,12cyclictest0-21swapper/123:45:171
1462499227,13cyclictest0-21swapper/100:20:291
1462499225,15cyclictest0-21swapper/123:10:021
160322212,17sleep21707-21stress22:58:542
1462599216,13cyclictest0-21swapper/223:30:152
1462599216,13cyclictest0-21swapper/223:30:152
14625992115,4cyclictest1709-21stress22:25:212
1462499213,7cyclictest1709-21stress22:10:311
104142212,17sleep11709-21stress00:00:251
6292201,18sleep21707-21stress23:39:592
6292201,18sleep21707-21stress23:39:592
1462599192,16cyclictest1709-21stress21:34:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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