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2026-08-15 - 21:43
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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 Aug 15, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23471212260,22sleep30-21swapper/307:05:023
25169211960,20sleep20-21swapper/207:06:542
25089210949,55sleep10-21swapper/107:05:521
25242210549,51sleep00-21swapper/007:07:490
238772660,1sleep023878-21if_eth111:55:200
238772660,1sleep023878-21if_eth111:55:200
25541994830,15cyclictest0-21swapper/310:13:303
25541994729,15cyclictest0-21swapper/309:36:003
25541994631,13cyclictest0-21swapper/310:25:423
25541994628,15cyclictest0-21swapper/310:01:103
25539994611,17cyclictest0-21swapper/110:10:221
25541994527,16cyclictest0-21swapper/309:48:293
25541994526,17cyclictest0-21swapper/310:45:183
25541994431,11cyclictest0-21swapper/312:26:053
25541994431,11cyclictest0-21swapper/312:26:053
25541994329,12cyclictest0-21swapper/311:02:463
25541994327,14cyclictest0-21swapper/312:05:593
25541994326,15cyclictest0-21swapper/312:30:333
25541994326,15cyclictest0-21swapper/312:30:333
25541994325,16cyclictest0-21swapper/311:55:143
25541994325,16cyclictest0-21swapper/311:55:133
25541994227,13cyclictest0-21swapper/310:44:553
25541994227,13cyclictest0-21swapper/310:32:133
25541994226,14cyclictest0-21swapper/310:05:273
25541994127,12cyclictest0-21swapper/311:50:303
25541994125,14cyclictest0-21swapper/311:05:353
2553899416,24cyclictest0-21swapper/010:53:010
25541994025,13cyclictest0-21swapper/309:55:243
25541994025,12cyclictest0-21swapper/309:18:273
25541994023,15cyclictest0-21swapper/310:35:143
25541994023,15cyclictest0-21swapper/310:35:143
25541994022,16cyclictest0-21swapper/309:50:233
2553899407,22cyclictest0-21swapper/012:03:500
2554199397,29cyclictest0-21swapper/309:30:203
2554199397,29cyclictest0-21swapper/309:30:193
25541993926,11cyclictest0-21swapper/311:25:253
25541993921,15cyclictest0-21swapper/311:20:343
25541993919,17cyclictest0-21swapper/311:15:323
25541993919,17cyclictest0-21swapper/311:15:323
25540993917,19cyclictest0-21swapper/212:31:042
25540993917,19cyclictest0-21swapper/212:31:032
25540993916,20cyclictest0-21swapper/210:06:552
25540993916,16cyclictest0-21swapper/212:39:102
25540993915,22cyclictest0-21swapper/209:37:292
25538993911,25cyclictest0-21swapper/011:44:470
25541993824,12cyclictest0-21swapper/310:54:063
2554099385,22cyclictest0-21swapper/207:25:252
25540993816,20cyclictest0-21swapper/210:28:202
25540993815,20cyclictest0-21swapper/212:00:142
2553899389,26cyclictest0-21swapper/011:24:210
2553899387,28cyclictest0-21swapper/011:35:320
25541993725,8cyclictest14809-21stress09:22:303
25541993722,13cyclictest0-21swapper/309:15:013
25541993722,12cyclictest0-21swapper/312:10:203
25541993719,15cyclictest0-21swapper/310:55:173
25541993716,19cyclictest0-21swapper/310:18:073
25539993713,21cyclictest0-21swapper/110:29:581
2553899379,13cyclictest0-21swapper/011:34:080
2553899378,26cyclictest0-21swapper/009:56:140
2553899377,27cyclictest0-21swapper/011:07:050
25538993711,23cyclictest0-21swapper/010:00:110
274012365,13sleep20-21swapper/207:11:392
2554199367,26cyclictest0-21swapper/310:20:143
25541993626,8cyclictest14809-21stress11:45:273
25541993611,23cyclictest0-21swapper/311:40:333
2554099367,26cyclictest0-21swapper/212:24:162
25540993615,19cyclictest0-21swapper/211:21:332
25540993615,18cyclictest0-21swapper/211:11:012
25540993615,18cyclictest0-21swapper/211:11:012
25540993614,20cyclictest0-21swapper/210:30:102
2553899365,21cyclictest0-21swapper/011:15:020
2553899365,21cyclictest0-21swapper/011:15:010
160722365,13sleep20-21swapper/207:59:562
69252355,13sleep20-21swapper/207:35:422
25541993521,12cyclictest0-21swapper/312:19:393
25541993521,12cyclictest0-21swapper/312:03:463
25539993511,21cyclictest0-21swapper/111:37:111
2553899359,20cyclictest0-21swapper/008:20:410
2553899358,21cyclictest0-21swapper/008:55:050
146332355,12sleep20-21swapper/209:09:012
146332355,12sleep20-21swapper/209:09:002
124822355,12sleep20-21swapper/209:04:362
124822355,12sleep20-21swapper/209:04:362
11202355,10sleep20-21swapper/208:36:372
77982345,10sleep10-21swapper/108:50:591
46772345,10sleep00-21swapper/007:30:390
35212345,10sleep20-21swapper/208:43:052
305882345,13sleep20-21swapper/207:18:452
290952344,10sleep00-21swapper/008:27:160
269902345,10sleep20-21swapper/208:23:122
268062345,13sleep10-21swapper/108:20:521
2554199348,24cyclictest0-21swapper/308:03:453
25541993427,5cyclictest25903-21cpu07:10:133
25541993421,11cyclictest0-21swapper/312:20:173
25540993412,20cyclictest0-21swapper/210:04:222
2553999348,23cyclictest0-21swapper/111:43:531
25539993416,15cyclictest0-21swapper/112:17:481
25539993416,15cyclictest0-21swapper/110:40:121
25539993415,16cyclictest0-21swapper/110:06:421
25539993414,17cyclictest0-21swapper/111:11:411
25539993414,17cyclictest0-21swapper/111:11:411
25539993411,20cyclictest0-21swapper/111:20:411
2553899349,22cyclictest0-21swapper/011:25:040
2553899348,21cyclictest0-21swapper/007:17:050
2553899347,21cyclictest0-21swapper/007:20:290
2553899345,22cyclictest0-21swapper/009:07:060
2553899345,22cyclictest0-21swapper/009:07:060
2553899345,22cyclictest0-21swapper/008:42:070
25538993417,15cyclictest0-21swapper/011:00:230
25538993411,20cyclictest0-21swapper/010:10:150
25538993410,21cyclictest0-21swapper/009:25:320
223252345,10sleep00-21swapper/008:10:280
207722345,10sleep10-21swapper/108:10:091
202492345,13sleep20-21swapper/208:07:092
179552345,10sleep10-21swapper/108:00:381
122902345,10sleep10-21swapper/109:02:101
122902345,10sleep10-21swapper/109:02:091
72222334,12sleep00-21swapper/007:39:290
3132335,10sleep20-21swapper/207:22:582
2554199337,24cyclictest0-21swapper/309:40:213
25541993326,5cyclictest14112-21runrttasks11:34:573
25541993324,7cyclictest14809-21stress09:25:133
25541993323,8cyclictest30303-21vmstat07:15:263
25541993320,11cyclictest0-21swapper/311:35:223
2554099339,21cyclictest0-21swapper/211:30:272
25540993316,15cyclictest0-21swapper/211:45:042
25540993316,15cyclictest0-21swapper/211:45:022
25540993316,15cyclictest0-21swapper/210:50:232
2553999339,21cyclictest0-21swapper/109:23:351
25539993314,16cyclictest0-21swapper/112:34:181
25539993314,16cyclictest0-21swapper/112:34:171
25539993311,19cyclictest0-21swapper/112:35:501
25539993310,20cyclictest0-21swapper/110:50:171
25539993310,20cyclictest0-21swapper/110:48:111
2553899339,21cyclictest0-21swapper/011:45:190
2553899339,21cyclictest0-21swapper/011:15:290
2553899339,21cyclictest0-21swapper/011:15:290
2553899339,17cyclictest0-21swapper/007:10:060
2553899338,19cyclictest0-21swapper/009:01:080
2553899338,19cyclictest0-21swapper/009:01:080
2553899337,20cyclictest0-21swapper/012:35:160
2553899336,24cyclictest0-21swapper/012:20:310
2553899336,24cyclictest0-21swapper/010:55:340
2553899336,21cyclictest0-21swapper/008:47:060
2553899335,21cyclictest0-21swapper/008:30:040
25538993316,10cyclictest0-21swapper/008:50:100
25538993315,16cyclictest0-21swapper/010:09:190
25538993310,20cyclictest0-21swapper/010:40:060
92082325,13sleep20-21swapper/207:41:392
2554199328,22cyclictest0-21swapper/309:03:033
2554199328,22cyclictest0-21swapper/309:03:033
25541993223,7cyclictest31866-21missed_timers07:20:203
25541993222,7cyclictest14809-21stress12:35:213
25541993218,12cyclictest0-21swapper/311:10:323
25541993218,12cyclictest0-21swapper/311:10:323
2554099325,19cyclictest0-21swapper/208:29:372
25540993215,15cyclictest0-21swapper/212:05:322
2553999329,20cyclictest0-21swapper/110:35:231
2553999329,20cyclictest0-21swapper/110:35:231
2553999329,20cyclictest0-21swapper/110:03:061
2553999328,22cyclictest0-21swapper/107:40:171
2553999326,16cyclictest0-21swapper/108:05:251
2553999325,25cyclictest0-21swapper/107:39:061
2553999325,20cyclictest0-21swapper/108:31:491
25539993214,16cyclictest0-21swapper/112:10:271
25539993214,16cyclictest0-21swapper/111:50:261
25539993214,15cyclictest0-21swapper/111:02:491
25539993214,15cyclictest0-21swapper/109:43:481
25539993214,15cyclictest0-21swapper/109:35:161
25539993214,15cyclictest0-21swapper/109:25:031
25539993213,16cyclictest0-21swapper/109:10:221
2553899326,21cyclictest0-21swapper/008:05:520
2553899325,21cyclictest0-21swapper/007:44:040
25538993216,14cyclictest0-21swapper/010:40:010
25538993216,14cyclictest0-21swapper/010:40:010
25538993216,13cyclictest0-21swapper/012:05:180
25538993212,17cyclictest0-21swapper/009:20:170
25538993212,15cyclictest0-21swapper/008:15:040
2554199318,21cyclictest0-21swapper/309:07:363
2554199318,21cyclictest0-21swapper/309:07:363
2554199317,23cyclictest0-21swapper/308:58:063
25541993117,11cyclictest0-21swapper/307:50:253
25541993117,11cyclictest0-21swapper/307:40:103
2554099317,21cyclictest0-21swapper/209:55:152
2554099315,24cyclictest0-21swapper/208:10:222
25540993116,13cyclictest0-21swapper/211:05:182
25540993116,12cyclictest0-21swapper/211:35:272
25540993116,12cyclictest0-21swapper/210:40:222
25540993114,15cyclictest0-21swapper/209:45:192
25540993114,15cyclictest0-21swapper/209:40:202
25540993114,15cyclictest0-21swapper/209:30:212
25540993114,15cyclictest0-21swapper/209:30:202
25540993110,19cyclictest0-21swapper/208:00:142
2553999319,14cyclictest0-21swapper/107:45:301
2553999317,21cyclictest0-21swapper/111:25:151
2553999316,16cyclictest0-21swapper/108:35:371
2553999315,24cyclictest0-21swapper/108:27:171
2553999315,24cyclictest0-21swapper/107:51:171
2553999315,24cyclictest0-21swapper/107:33:161
2553999315,24cyclictest0-21swapper/107:16:471
2553999315,24cyclictest0-21swapper/107:11:371
25539993116,14cyclictest0-21swapper/107:57:171
25539993114,14cyclictest0-21swapper/111:55:331
25539993114,14cyclictest0-21swapper/111:55:331
25539993114,14cyclictest0-21swapper/111:05:201
25539993113,16cyclictest0-21swapper/110:30:031
25539993112,16cyclictest0-21swapper/109:45:271
25539993111,17cyclictest0-21swapper/112:00:151
25539993111,17cyclictest0-21swapper/111:15:211
25539993111,17cyclictest0-21swapper/111:15:201
2553899315,16cyclictest0-21swapper/009:30:290
2553899315,16cyclictest0-21swapper/009:30:290
2553899314,15cyclictest14804-21iperf11:50:190
25538993118,12cyclictest0-21swapper/007:45:500
25538993116,13cyclictest0-21swapper/007:50:130
25538993116,10cyclictest0-21swapper/008:02:050
25538993115,13cyclictest0-21swapper/010:20:280
25538993115,13cyclictest0-21swapper/009:45:200
25538993114,15cyclictest0-21swapper/009:15:150
25538993110,19cyclictest0-21swapper/012:10:300
25538993110,18cyclictest0-21swapper/010:25:260
2554199308,21cyclictest0-21swapper/307:48:163
2554199308,20cyclictest0-21swapper/308:38:103
2554199308,20cyclictest0-21swapper/307:25:103
2554199305,23cyclictest0-21swapper/308:47:063
2554199305,23cyclictest0-21swapper/307:30:183
25541993024,4cyclictest19688-21gzip08:05:213
25541993019,8cyclictest1885-21ls08:40:143
25541993018,11cyclictest0-21swapper/308:21:063
2554099309,18cyclictest0-21swapper/209:20:192
2554099306,21cyclictest0-21swapper/209:52:202
2554099304,24cyclictest0-21swapper/208:50:172
25540993015,13cyclictest0-21swapper/212:25:132
25540993015,13cyclictest0-21swapper/212:25:132
25540993012,16cyclictest0-21swapper/210:55:142
2553999309,18cyclictest0-21swapper/110:20:241
2553999305,23cyclictest0-21swapper/108:43:571
2553999305,18cyclictest0-21swapper/108:45:231
25539993013,15cyclictest0-21swapper/109:55:331
25539993012,15cyclictest0-21swapper/111:45:201
2553899305,23cyclictest0-21swapper/007:56:070
2553899305,12cyclictest0-21swapper/009:50:120
25538993016,12cyclictest0-21swapper/010:50:000
25538993015,13cyclictest0-21swapper/012:19:230
25538993015,12cyclictest0-21swapper/010:15:250
25538993011,14cyclictest0-21swapper/007:25:040
2554199297,20cyclictest0-21swapper/308:11:563
2554199295,22cyclictest0-21swapper/308:25:053
25541992919,8cyclictest7180-21/usr/sbin/munin08:50:193
25541992918,10cyclictest0-21swapper/308:30:173
2554099296,21cyclictest0-21swapper/210:10:362
2554099295,21cyclictest0-21swapper/210:45:292
2554099294,24cyclictest0-21swapper/207:30:072
2554099294,23cyclictest0-21swapper/208:58:022
2554099293,24cyclictest0-21swapper/208:18:462
25540992915,12cyclictest0-21swapper/211:55:222
25540992915,12cyclictest0-21swapper/211:55:212
25540992915,12cyclictest0-21swapper/209:15:312
25540992912,15cyclictest0-21swapper/208:45:202
25540992910,17cyclictest0-21swapper/208:30:202
25540992910,17cyclictest0-21swapper/207:50:232
25540992910,17cyclictest0-21swapper/207:45:142
2553999295,22cyclictest0-21swapper/108:59:071
2553999295,22cyclictest0-21swapper/108:15:231
2553999295,22cyclictest0-21swapper/107:27:271
2553999295,13cyclictest0-21swapper/107:22:041
25539992916,12cyclictest0-21swapper/109:05:571
25539992916,12cyclictest0-21swapper/109:05:561
25538992915,12cyclictest0-21swapper/009:10:260
25538992910,14cyclictest0-21swapper/008:35:060
2554199285,21cyclictest0-21swapper/307:59:053
25541992819,7cyclictest6340-21ntpdc07:35:193
25541992819,7cyclictest24732-21taskset08:17:393
25540992812,14cyclictest0-21swapper/210:20:192
25539992812,14cyclictest0-21swapper/109:30:191
25539992812,14cyclictest0-21swapper/109:30:181
25538992814,12cyclictest0-21swapper/010:32:040
25540992713,12cyclictest0-21swapper/211:50:292
2553999276,18cyclictest0-21swapper/110:55:231
25539992711,13cyclictest0-21swapper/112:05:231
2554099266,18cyclictest0-21swapper/212:10:342
2554099263,10cyclictest14808-21stress11:15:342
2554099263,10cyclictest14808-21stress11:15:342
25540992614,10cyclictest0-21swapper/209:10:142
25540992613,11cyclictest0-21swapper/211:00:142
25538992610,14cyclictest0-21swapper/009:35:270
2554099245,17cyclictest0-21swapper/212:15:172
2553999246,16cyclictest0-21swapper/112:20:181
2553899245,5cyclictest28367-21basename09:40:140
2554099237,13cyclictest0-21swapper/211:25:252
2554099233,6cyclictest14806-21stress10:36:072
2554099233,6cyclictest14806-21stress10:36:072
2554099233,4cyclictest14806-21stress10:20:012
2553999235,15cyclictest0-21swapper/111:30:181
2553899233,7cyclictest14808-21stress12:30:010
2553899233,7cyclictest14808-21stress12:30:010
2553899233,6cyclictest7201-21ls12:30:240
2553899233,6cyclictest7201-21ls12:30:240
25540992216,4cyclictest22076-21df09:25:182
2553999226,14cyclictest0-21swapper/112:25:171
2553999226,14cyclictest0-21swapper/112:25:171
2553999226,14cyclictest0-21swapper/109:15:271
2553999213,7cyclictest14808-21stress10:15:281
2553999206,12cyclictest23-21ksoftirqd/109:50:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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