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2026-09-14 - 17:56
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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 Mon Sep 14, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
913212264,53sleep30-21swapper/307:06:273
907211353,20sleep20-21swapper/207:06:212
1214210850,52sleep10-21swapper/107:09:341
1051210650,51sleep00-21swapper/007:07:390
1352995715,18cyclictest0-21swapper/211:18:502
311322560,1sleep323413-21stress10:39:383
1352995512,24cyclictest0-21swapper/212:24:032
1352995510,22cyclictest0-21swapper/211:07:372
1352995414,20cyclictest0-21swapper/210:20:232
135299539,20cyclictest0-21swapper/211:20:532
1352995315,35cyclictest0-21swapper/209:31:452
1352995315,35cyclictest0-21swapper/209:31:452
1352995312,21cyclictest0-21swapper/211:40:202
1352995211,21cyclictest0-21swapper/211:29:072
1352995211,21cyclictest0-21swapper/211:29:072
1350995217,25cyclictest0-21swapper/010:20:290
1352995117,16cyclictest0-21swapper/208:01:482
1352995117,12cyclictest0-21swapper/211:37:462
135099513,25cyclictest23413-21stress09:21:180
135299505,28cyclictest0-21swapper/208:23:472
1352995017,17cyclictest0-21swapper/207:20:172
1352995016,13cyclictest0-21swapper/209:58:162
1352995016,13cyclictest0-21swapper/209:44:312
1352995016,11cyclictest0-21swapper/207:13:272
1352995015,18cyclictest0-21swapper/209:10:232
1352995013,14cyclictest0-21swapper/209:16:362
1352994915,13cyclictest0-21swapper/209:54:362
135099496,26cyclictest0-21swapper/011:15:170
1352994814,13cyclictest0-21swapper/209:22:402
1352994813,15cyclictest0-21swapper/211:30:162
1352994813,14cyclictest0-21swapper/211:00:202
1352994813,14cyclictest0-21swapper/211:00:202
1352994811,18cyclictest0-21swapper/212:30:392
135099483,35cyclictest23413-21stress09:13:450
135099483,29cyclictest1899-21runrttasks10:39:060
135299476,20cyclictest0-21swapper/210:15:102
135299476,20cyclictest0-21swapper/210:15:102
135299475,23cyclictest0-21swapper/207:25:072
135299475,12cyclictest0-21swapper/208:55:572
135099477,22cyclictest0-21swapper/012:05:180
135099476,31cyclictest0-21swapper/009:45:330
135099476,30cyclictest0-21swapper/011:45:160
135099473,29cyclictest23411-21stress09:50:220
1352994616,12cyclictest0-21swapper/212:10:192
1352994616,11cyclictest0-21swapper/209:00:382
1352994614,12cyclictest0-21swapper/210:50:272
1352994614,12cyclictest0-21swapper/210:50:262
135099465,26cyclictest23413-21stress10:32:470
135099463,27cyclictest25984-21cut09:15:110
135099463,27cyclictest23413-21stress10:55:370
135099462,25cyclictest23413-21stress10:14:580
135099462,25cyclictest23413-21stress10:14:580
135299455,24cyclictest0-21swapper/208:33:182
1352994510,17cyclictest0-21swapper/212:25:172
135099455,32cyclictest0-21swapper/008:25:120
135099453,33cyclictest1899-21runrttasks07:53:130
135099453,26cyclictest23413-21stress12:27:100
135099453,26cyclictest23411-21stress12:15:220
135099453,25cyclictest23413-21stress10:06:420
135099452,33cyclictest23413-21stress10:49:520
135099452,33cyclictest23413-21stress10:49:510
135099452,33cyclictest23411-21stress11:54:570
135099452,32cyclictest23411-21stress10:40:320
1350994518,24cyclictest0-21swapper/011:36:320
1350994516,26cyclictest0-21swapper/011:27:170
1350994516,26cyclictest0-21swapper/011:27:160
1350994516,22cyclictest0-21swapper/011:05:440
1350994516,19cyclictest0-21swapper/011:00:180
1350994516,19cyclictest0-21swapper/011:00:180
178062440,1sleep123411-21stress10:09:371
135099443,32cyclictest23411-21stress12:04:560
135099443,32cyclictest23411-21stress12:04:550
135099443,28cyclictest1899-21runrttasks08:11:080
135099443,26cyclictest4193-21basename10:50:190
135099443,26cyclictest4193-21basename10:50:180
135099443,26cyclictest23413-21stress12:20:120
135099443,26cyclictest23411-21stress10:00:290
135099443,25cyclictest23413-21stress10:25:090
135099443,25cyclictest23413-21stress10:15:230
135099443,25cyclictest23413-21stress10:15:230
135099442,32cyclictest23413-21stress11:12:100
135099442,32cyclictest23413-21stress09:25:350
135099442,25cyclictest23413-21stress09:41:390
1350994420,21cyclictest0-21swapper/012:13:210
1352994314,12cyclictest0-21swapper/212:05:292
1352994313,12cyclictest0-21swapper/210:00:032
135099433,27cyclictest1899-21runrttasks08:03:580
135099433,27cyclictest17807-21runrttasks07:44:580
135099433,25cyclictest23413-21stress09:39:240
135099433,25cyclictest23413-21stress09:39:240
135099433,25cyclictest23413-21stress09:34:330
135099433,25cyclictest23413-21stress09:34:330
1350994320,20cyclictest0-21swapper/012:30:320
1350994316,25cyclictest0-21swapper/009:55:540
1350994315,25cyclictest0-21swapper/011:30:160
135099431,28cyclictest1899-21runrttasks08:05:260
135299427,18cyclictest0-21swapper/210:05:342
135299425,23cyclictest0-21swapper/208:45:142
135099425,25cyclictest0-21swapper/008:15:240
135099425,25cyclictest0-21swapper/007:20:170
135099423,27cyclictest1899-21runrttasks07:49:090
135099423,25cyclictest18560-21tune2fs12:35:170
135099422,27cyclictest9864-21runrttasks08:38:110
135099422,25cyclictest23411-21stress11:58:270
135099422,24cyclictest23411-21stress11:23:270
135099416,22cyclictest0-21swapper/008:55:140
135099415,24cyclictest0-21swapper/007:55:250
1351994011,26cyclictest0-21swapper/112:17:451
135099405,23cyclictest0-21swapper/007:34:250
135099405,23cyclictest0-21swapper/007:34:250
135099401,26cyclictest1899-21runrttasks07:25:390
241132395,14sleep30-21swapper/307:56:113
1352993913,23cyclictest0-21swapper/210:35:022
135099395,23cyclictest0-21swapper/007:15:190
109902395,17sleep30-21swapper/307:28:493
77972385,13sleep30-21swapper/308:35:003
135099385,31cyclictest0-21swapper/008:50:210
135099385,22cyclictest0-21swapper/007:10:130
135099383,32cyclictest12977-21fschecks_count08:45:130
135099383,23cyclictest3319-21modprobe08:25:000
135099381,25cyclictest1899-21runrttasks07:36:410
177212375,14sleep30-21swapper/307:44:043
154462375,12sleep30-21swapper/307:38:543
1360993716,18cyclictest0-21swapper/312:38:433
135099375,21cyclictest0-21swapper/009:07:040
135099375,21cyclictest0-21swapper/008:40:210
96782365,13sleep30-21swapper/308:35:533
53492365,13sleep30-21swapper/308:27:433
34282364,14sleep10-21swapper/107:13:021
243242365,13sleep10-21swapper/107:58:411
220232365,12sleep30-21swapper/307:52:433
1351993610,18cyclictest0-21swapper/108:07:131
135099366,27cyclictest0-21swapper/011:40:160
135099363,31cyclictest19209-21/usr/sbin/munin09:00:170
209272355,12sleep30-21swapper/309:02:313
135299358,24cyclictest0-21swapper/212:35:102
1351993510,19cyclictest0-21swapper/107:49:431
131712354,15sleep30-21swapper/307:33:213
131712354,15sleep30-21swapper/307:33:213
164232343,13sleep10-21swapper/108:51:351
141952344,11sleep30-21swapper/308:47:003
1352993411,20cyclictest0-21swapper/210:12:242
1352993411,20cyclictest0-21swapper/210:12:232
135199346,25cyclictest0-21swapper/111:45:301
135099345,27cyclictest0-21swapper/008:30:130
6092335,14sleep10-21swapper/108:15:591
35552335,13sleep30-21swapper/307:14:323
165542335,13sleep30-21swapper/308:53:133
1360993315,15cyclictest0-21swapper/310:03:413
135299335,17cyclictest0-21swapper/207:30:112
135299335,17cyclictest0-21swapper/207:30:102
135199336,21cyclictest0-21swapper/107:40:461
135199335,26cyclictest0-21swapper/107:37:251
135199335,25cyclictest0-21swapper/110:30:251
135199335,20cyclictest0-21swapper/108:10:281
135199335,15cyclictest0-21swapper/109:06:211
1351993310,20cyclictest0-21swapper/112:03:551
1351993310,20cyclictest0-21swapper/112:03:551
96412325,13sleep10-21swapper/108:35:261
54322325,13sleep10-21swapper/108:28:411
32382325,12sleep10-21swapper/108:24:251
136099326,23cyclictest0-21swapper/309:33:323
136099326,23cyclictest0-21swapper/309:33:323
1360993215,15cyclictest0-21swapper/311:45:493
1360993215,15cyclictest0-21swapper/310:28:403
1360993213,16cyclictest0-21swapper/310:46:023
1360993213,16cyclictest0-21swapper/310:46:023
135299327,22cyclictest0-21swapper/212:15:132
135299325,25cyclictest0-21swapper/208:11:172
135299325,13cyclictest0-21swapper/207:56:572
1352993216,13cyclictest0-21swapper/211:10:092
1352993215,15cyclictest0-21swapper/212:00:232
1352993215,15cyclictest0-21swapper/212:00:232
135199325,25cyclictest0-21swapper/110:20:291
135199325,15cyclictest0-21swapper/108:30:361
1351993210,20cyclictest0-21swapper/110:45:311
1351993210,20cyclictest0-21swapper/110:45:311
121942323,13sleep10-21swapper/108:44:411
88002314,12sleep30-21swapper/307:24:033
230552315,11sleep30-21swapper/309:06:363
136099315,24cyclictest0-21swapper/308:19:003
136099315,24cyclictest0-21swapper/308:00:393
136099315,23cyclictest0-21swapper/311:40:233
1360993117,13cyclictest0-21swapper/310:58:273
1360993116,13cyclictest0-21swapper/309:35:483
1360993116,13cyclictest0-21swapper/309:35:483
1360993116,12cyclictest0-21swapper/309:55:273
1360993115,14cyclictest0-21swapper/311:50:073
135299315,25cyclictest0-21swapper/208:25:072
135299315,24cyclictest0-21swapper/208:54:272
135299315,24cyclictest0-21swapper/208:35:582
135299315,24cyclictest0-21swapper/207:53:172
135299315,24cyclictest0-21swapper/207:49:372
135199315,24cyclictest0-21swapper/108:45:261
135199315,24cyclictest0-21swapper/107:24:251
135199315,23cyclictest0-21swapper/112:20:201
135199315,14cyclictest0-21swapper/107:25:361
1351993116,14cyclictest0-21swapper/107:32:461
1351993116,14cyclictest0-21swapper/107:32:451
1351993111,14cyclictest0-21swapper/107:15:381
136099309,18cyclictest0-21swapper/311:59:373
136099305,23cyclictest0-21swapper/308:08:393
136099305,22cyclictest0-21swapper/312:20:213
136099304,24cyclictest0-21swapper/308:23:093
1360993015,12cyclictest0-21swapper/311:20:133
1360993014,13cyclictest0-21swapper/311:37:333
135299305,23cyclictest0-21swapper/207:15:372
1352993016,13cyclictest0-21swapper/208:15:272
1352993016,13cyclictest0-21swapper/208:08:482
1352993015,12cyclictest0-21swapper/209:45:092
1352993014,14cyclictest0-21swapper/210:40:252
1352993012,15cyclictest0-21swapper/209:25:142
135199306,21cyclictest0-21swapper/111:35:161
135199306,21cyclictest0-21swapper/110:10:101
135199306,21cyclictest0-21swapper/110:10:101
135199306,21cyclictest0-21swapper/110:00:321
135199305,23cyclictest0-21swapper/109:00:051
135199305,23cyclictest0-21swapper/108:55:131
135199305,23cyclictest0-21swapper/107:50:211
1351993014,14cyclictest0-21swapper/109:30:011
1351993013,15cyclictest0-21swapper/112:31:541
1351993013,15cyclictest0-21swapper/110:35:381
1351993013,15cyclictest0-21swapper/109:40:131
1351993012,16cyclictest0-21swapper/110:52:101
1351993012,16cyclictest0-21swapper/110:52:101
1351993010,18cyclictest0-21swapper/110:55:131
199042293,12sleep30-21swapper/307:48:543
136099295,23cyclictest0-21swapper/308:11:003
136099295,22cyclictest0-21swapper/308:40:393
1360992915,12cyclictest0-21swapper/312:26:373
1360992915,12cyclictest0-21swapper/312:00:233
1360992915,12cyclictest0-21swapper/312:00:223
1360992915,12cyclictest0-21swapper/310:41:543
1360992915,12cyclictest0-21swapper/310:22:023
1360992914,13cyclictest0-21swapper/311:12:283
1360992914,13cyclictest0-21swapper/309:25:233
1360992913,14cyclictest0-21swapper/311:15:253
1360992911,16cyclictest0-21swapper/307:15:243
135299295,22cyclictest0-21swapper/209:06:372
1352992916,12cyclictest0-21swapper/208:40:072
1352992910,16cyclictest0-21swapper/210:35:272
135199297,20cyclictest0-21swapper/110:15:201
135199297,20cyclictest0-21swapper/110:15:191
135199297,20cyclictest0-21swapper/109:55:291
135199296,21cyclictest0-21swapper/109:40:021
135199296,21cyclictest0-21swapper/109:40:011
135199296,21cyclictest0-21swapper/109:10:221
135199296,20cyclictest0-21swapper/112:40:011
135199296,20cyclictest0-21swapper/111:55:171
1351992914,13cyclictest0-21swapper/109:48:061
1351992913,14cyclictest0-21swapper/111:32:381
1351992913,14cyclictest0-21swapper/111:20:211
1351992911,16cyclictest0-21swapper/110:25:131
136099285,21cyclictest0-21swapper/310:50:193
136099285,21cyclictest0-21swapper/310:50:193
1360992815,12cyclictest0-21swapper/308:56:193
1360992814,12cyclictest0-21swapper/312:30:233
135299288,18cyclictest0-21swapper/207:44:302
135299287,18cyclictest0-21swapper/211:55:272
1352992816,11cyclictest0-21swapper/207:36:082
1352992810,15cyclictest0-21swapper/210:48:322
1352992810,15cyclictest0-21swapper/210:48:312
135199286,20cyclictest0-21swapper/112:10:251
135199286,20cyclictest0-21swapper/111:40:231
1351992815,11cyclictest0-21swapper/109:20:251
1351992814,12cyclictest0-21swapper/111:25:241
1351992814,12cyclictest0-21swapper/111:25:241
1351992813,13cyclictest0-21swapper/109:50:141
1351992812,14cyclictest0-21swapper/111:53:341
1351992810,16cyclictest0-21swapper/111:06:171
183062273,4sleep318427-21cstates10:10:133
183062273,4sleep318427-21cstates10:10:133
136099276,19cyclictest0-21swapper/312:10:153
1360992714,11cyclictest0-21swapper/310:05:043
1360992713,12cyclictest0-21swapper/310:30:183
1360992713,12cyclictest0-21swapper/309:45:263
1360992713,12cyclictest0-21swapper/309:10:213
1352992710,15cyclictest0-21swapper/210:55:292
135199279,16cyclictest0-21swapper/112:05:111
135199275,20cyclictest0-21swapper/111:15:281
1351992710,11cyclictest0-21swapper/108:04:401
136099265,18cyclictest0-21swapper/310:15:313
136099265,18cyclictest0-21swapper/310:15:313
1360992613,11cyclictest0-21swapper/311:25:183
1360992613,11cyclictest0-21swapper/311:25:183
1360992612,12cyclictest0-21swapper/311:34:013
1360992611,12cyclictest0-21swapper/311:05:223
135199269,14cyclictest0-21swapper/109:30:321
135199269,14cyclictest0-21swapper/109:30:311
136099255,18cyclictest0-21swapper/311:00:153
136099255,18cyclictest0-21swapper/311:00:153
1360992511,12cyclictest0-21swapper/312:15:273
135299259,14cyclictest0-21swapper/211:45:082
1352992512,11cyclictest0-21swapper/211:55:022
1360992410,12cyclictest0-21swapper/309:51:083
135199246,16cyclictest0-21swapper/111:10:101
135199246,16cyclictest0-21swapper/110:45:021
135199245,11cyclictest0-21swapper/111:00:331
135199245,11cyclictest0-21swapper/111:00:321
1351992410,12cyclictest0-21swapper/109:15:191
46952232,19sleep323412-21stress12:05:043
135299223,7cyclictest23410-21stress09:39:472
135299223,7cyclictest23410-21stress09:39:472
298252212,18sleep323410-21stress09:22:263
154602212,17sleep123412-21stress12:29:131
135299212,7cyclictest23412-21stress10:26:502
136099183,5cyclictest4775-21/usr/sbin/munin09:40:113
136099173,12cyclictest25898-21/usr/sbin/munin09:15:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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