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2026-06-20 - 05:17
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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 Jun 20, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3104221250,1sleep324642-21stress21:23:413
3104221250,1sleep324642-21stress21:23:413
3392211855,58sleep10-21swapper/119:05:351
3468211554,56sleep30-21swapper/319:06:293
3393211250,56sleep20-21swapper/219:05:362
188202930,1sleep018821-21/usr/sbin/munin19:40:190
351328052,23sleep00-21swapper/019:07:030
37732740,3sleep024644-21stress21:35:130
55892690,1sleep324644-21stress00:05:513
3853994615,20cyclictest0-21swapper/222:40:192
385299467,29cyclictest0-21swapper/122:30:111
385299449,25cyclictest0-21swapper/123:30:121
3854994329,12cyclictest0-21swapper/300:27:443
3853994313,20cyclictest0-21swapper/222:00:192
3854994226,14cyclictest0-21swapper/322:41:043
3853994215,17cyclictest0-21swapper/221:45:322
385299427,24cyclictest0-21swapper/121:10:231
385299427,24cyclictest0-21swapper/121:10:221
385199427,22cyclictest0-21swapper/021:31:030
3851994216,23cyclictest0-21swapper/021:22:370
3851994216,23cyclictest0-21swapper/021:22:370
3851994212,27cyclictest0-21swapper/023:45:170
3851994212,27cyclictest0-21swapper/000:15:130
3851994210,29cyclictest0-21swapper/023:50:080
3854994126,13cyclictest0-21swapper/322:05:063
3854994126,13cyclictest0-21swapper/322:01:493
3854994125,13cyclictest0-21swapper/322:28:333
3854994125,13cyclictest0-21swapper/322:28:323
3854994125,13cyclictest0-21swapper/300:35:303
385299418,25cyclictest0-21swapper/122:15:311
385299416,26cyclictest0-21swapper/122:20:121
385299416,26cyclictest0-21swapper/100:05:211
3852994111,24cyclictest0-21swapper/119:25:371
385199418,29cyclictest0-21swapper/000:08:440
385199418,22cyclictest0-21swapper/022:20:160
385199416,32cyclictest0-21swapper/000:25:520
3851994116,23cyclictest0-21swapper/023:34:420
3851994110,28cyclictest0-21swapper/000:03:140
3853994012,13cyclictest0-21swapper/223:22:202
3853994010,27cyclictest0-21swapper/222:19:342
385299407,24cyclictest0-21swapper/100:20:331
3852994015,22cyclictest0-21swapper/100:04:361
385199409,28cyclictest0-21swapper/022:27:560
385199409,28cyclictest0-21swapper/022:27:560
385199409,28cyclictest0-21swapper/021:51:090
385199409,28cyclictest0-21swapper/021:51:090
385199408,29cyclictest0-21swapper/000:20:470
385199406,14cyclictest0-21swapper/022:05:130
3851994016,21cyclictest0-21swapper/023:17:170
3851994013,24cyclictest0-21swapper/022:55:330
3854993924,13cyclictest0-21swapper/323:45:183
3854993922,14cyclictest0-21swapper/321:34:303
3853993913,16cyclictest0-21swapper/223:57:072
385299397,24cyclictest0-21swapper/121:25:011
385299397,24cyclictest0-21swapper/121:25:011
385299396,25cyclictest0-21swapper/123:26:071
385299396,24cyclictest0-21swapper/123:00:031
385199399,27cyclictest0-21swapper/022:43:110
70382385,13sleep20-21swapper/220:28:172
385499388,28cyclictest0-21swapper/323:39:083
385499388,28cyclictest0-21swapper/323:39:083
3854993824,12cyclictest0-21swapper/323:34:123
3854993823,12cyclictest0-21swapper/322:15:123
3854993822,13cyclictest0-21swapper/322:36:493
3854993821,15cyclictest0-21swapper/323:18:193
3853993813,22cyclictest0-21swapper/222:23:382
3853993810,25cyclictest0-21swapper/222:34:002
385299388,22cyclictest0-21swapper/100:15:001
385299387,22cyclictest0-21swapper/100:35:121
3852993811,16cyclictest0-21swapper/121:45:021
3852993810,20cyclictest0-21swapper/121:55:021
3852993810,20cyclictest0-21swapper/121:55:021
385199387,28cyclictest0-21swapper/000:30:040
3851993817,18cyclictest0-21swapper/022:30:260
3851993815,14cyclictest0-21swapper/022:39:390
3851993810,25cyclictest0-21swapper/023:38:250
3851993810,25cyclictest0-21swapper/023:38:240
3851993810,25cyclictest0-21swapper/022:16:490
3854993723,12cyclictest0-21swapper/323:00:403
3854993723,12cyclictest0-21swapper/323:00:393
385299375,20cyclictest0-21swapper/119:14:441
3852993715,20cyclictest0-21swapper/122:07:191
3852993711,16cyclictest0-21swapper/122:25:321
3852993711,16cyclictest0-21swapper/122:25:321
385199379,25cyclictest0-21swapper/023:55:210
385199379,25cyclictest0-21swapper/022:45:040
73932365,13sleep20-21swapper/220:30:022
385499367,26cyclictest0-21swapper/322:21:333
3854993621,13cyclictest0-21swapper/300:30:063
3853993615,18cyclictest0-21swapper/221:25:352
3853993615,18cyclictest0-21swapper/200:30:402
385299366,22cyclictest0-21swapper/119:30:241
385299366,21cyclictest0-21swapper/123:54:281
385299366,21cyclictest0-21swapper/119:20:201
3852993612,21cyclictest0-21swapper/122:35:091
3851993614,19cyclictest0-21swapper/023:40:130
3851993610,19cyclictest0-21swapper/020:50:470
110342365,13sleep20-21swapper/219:24:052
49242355,13sleep00-21swapper/020:24:300
385499358,25cyclictest0-21swapper/323:50:133
385499358,25cyclictest0-21swapper/323:40:223
385499357,26cyclictest0-21swapper/322:52:333
385499357,26cyclictest0-21swapper/321:52:013
385499357,26cyclictest0-21swapper/321:52:003
3854993527,6cyclictest3032-21/usr/sbin/munin20:20:223
3854993523,9cyclictest0-21swapper/321:15:303
3854993523,9cyclictest0-21swapper/321:15:293
3854993523,10cyclictest0-21swapper/300:01:293
3853993516,16cyclictest0-21swapper/223:28:382
3853993510,14cyclictest0-21swapper/200:00:152
385299357,20cyclictest0-21swapper/123:00:121
385299357,20cyclictest0-21swapper/123:00:121
385299357,11cyclictest0-21swapper/100:25:281
385299356,20cyclictest0-21swapper/120:20:131
3852993515,18cyclictest0-21swapper/123:20:331
3852993512,21cyclictest0-21swapper/123:15:251
3852993512,15cyclictest0-21swapper/100:20:001
3852993510,23cyclictest0-21swapper/121:45:041
385199359,19cyclictest0-21swapper/021:00:230
3851993511,21cyclictest0-21swapper/021:45:200
305702355,10sleep20-21swapper/220:08:092
24022355,10sleep20-21swapper/220:16:152
24022355,10sleep20-21swapper/220:16:142
197212355,10sleep20-21swapper/219:43:552
153962355,13sleep20-21swapper/219:34:082
91422345,13sleep00-21swapper/020:32:280
58592345,12sleep00-21swapper/019:13:260
4792345,10sleep20-21swapper/220:14:592
385499349,23cyclictest0-21swapper/323:55:293
385499348,24cyclictest0-21swapper/319:25:163
385499348,24cyclictest0-21swapper/300:23:593
385499348,23cyclictest0-21swapper/323:10:103
385499348,23cyclictest0-21swapper/323:10:103
385499347,25cyclictest0-21swapper/320:35:183
385499346,26cyclictest0-21swapper/321:40:223
3854993420,12cyclictest0-21swapper/322:55:203
3854993410,21cyclictest0-21swapper/321:30:013
385399346,25cyclictest0-21swapper/222:05:352
385299346,20cyclictest0-21swapper/123:35:241
385299346,20cyclictest0-21swapper/123:35:241
385299346,20cyclictest0-21swapper/119:50:211
385299346,19cyclictest0-21swapper/119:40:101
385299346,18cyclictest0-21swapper/121:10:021
385299345,20cyclictest0-21swapper/121:00:151
385299345,20cyclictest0-21swapper/120:34:401
3852993410,22cyclictest0-21swapper/121:25:041
385199348,24cyclictest0-21swapper/023:22:040
385199346,18cyclictest0-21swapper/023:00:150
385199346,18cyclictest0-21swapper/023:00:150
3851993417,15cyclictest0-21swapper/020:15:500
3851993417,15cyclictest0-21swapper/020:15:490
3851993417,15cyclictest0-21swapper/019:35:120
3851993410,21cyclictest0-21swapper/021:26:380
281752345,13sleep20-21swapper/220:00:542
262762345,10sleep10-21swapper/119:59:141
244222345,13sleep00-21swapper/021:08:260
219332345,10sleep20-21swapper/219:49:152
201532345,10sleep10-21swapper/120:59:331
198452345,10sleep20-21swapper/220:55:402
385499339,22cyclictest0-21swapper/300:15:263
385499339,21cyclictest0-21swapper/321:55:213
385499339,21cyclictest0-21swapper/321:55:213
385499339,21cyclictest0-21swapper/320:10:243
385499338,23cyclictest0-21swapper/323:25:263
385499338,23cyclictest0-21swapper/322:30:323
385499338,22cyclictest0-21swapper/323:05:303
385499338,22cyclictest0-21swapper/300:10:163
385499337,24cyclictest0-21swapper/320:40:203
385499337,24cyclictest0-21swapper/319:35:143
3854993327,4cyclictest7831-21taskset21:45:123
3854993319,12cyclictest0-21swapper/320:49:013
3853993313,17cyclictest0-21swapper/221:30:152
3853993311,15cyclictest0-21swapper/220:42:132
385299336,19cyclictest0-21swapper/123:45:081
385299335,22cyclictest0-21swapper/120:50:121
3852993315,16cyclictest0-21swapper/122:00:111
3852993311,19cyclictest0-21swapper/122:55:011
3852993311,19cyclictest0-21swapper/122:48:161
385199335,26cyclictest0-21swapper/019:53:470
3851993320,12cyclictest0-21swapper/020:35:140
3851993317,14cyclictest0-21swapper/020:40:560
3851993316,15cyclictest0-21swapper/020:48:130
3851993314,16cyclictest0-21swapper/000:10:070
3851993311,15cyclictest0-21swapper/021:41:520
217552335,10sleep10-21swapper/119:46:581
69022325,12sleep10-21swapper/120:26:331
385499329,20cyclictest0-21swapper/323:20:143
385499328,21cyclictest0-21swapper/321:35:163
385499327,23cyclictest0-21swapper/319:30:143
3854993226,4cyclictest29524-21irqstats20:05:173
3854993225,5cyclictest7453-21/usr/sbin/munin20:30:163
3854993220,9cyclictest24644-21stress22:46:203
385399328,21cyclictest246442stress21:11:312
385399328,21cyclictest246442stress21:11:312
385399325,13cyclictest0-21swapper/221:10:032
3853993216,13cyclictest0-21swapper/223:40:092
3853993214,16cyclictest0-21swapper/221:50:272
3853993214,16cyclictest0-21swapper/221:50:272
3853993214,15cyclictest0-21swapper/223:14:272
3853993214,15cyclictest0-21swapper/223:14:272
3853993212,17cyclictest0-21swapper/223:00:322
3853993212,17cyclictest0-21swapper/223:00:322
3853993211,18cyclictest0-21swapper/223:05:132
385299326,18cyclictest0-21swapper/120:00:121
385299325,20cyclictest0-21swapper/120:10:251
385299325,19cyclictest0-21swapper/120:45:121
385299325,19cyclictest0-21swapper/120:41:151
385299325,19cyclictest0-21swapper/119:35:201
385299325,16cyclictest0-21swapper/120:05:281
3852993213,16cyclictest0-21swapper/123:43:261
3852993212,18cyclictest0-21swapper/122:10:161
385199329,20cyclictest0-21swapper/023:27:540
385199329,18cyclictest0-21swapper/020:55:380
385199327,22cyclictest0-21swapper/022:50:280
385199327,18cyclictest0-21swapper/019:20:130
3851993216,14cyclictest0-21swapper/020:00:130
3851993214,16cyclictest0-21swapper/022:00:120
3851993212,14cyclictest0-21swapper/020:25:170
385499319,20cyclictest0-21swapper/322:10:233
385499318,22cyclictest0-21swapper/320:00:213
385499318,21cyclictest0-21swapper/320:25:423
385499318,21cyclictest0-21swapper/319:10:153
385499315,25cyclictest0-21swapper/320:50:113
3854993125,4cyclictest23643-21ntp_states21:05:213
385399316,13cyclictest0-21swapper/221:00:222
3853993116,13cyclictest0-21swapper/222:25:312
3853993116,13cyclictest0-21swapper/222:25:302
3853993114,14cyclictest0-21swapper/221:15:062
3853993114,14cyclictest0-21swapper/221:15:062
3853993112,16cyclictest0-21swapper/222:50:122
3853993110,18cyclictest0-21swapper/223:35:052
3853993110,18cyclictest0-21swapper/223:35:052
3853993110,18cyclictest0-21swapper/200:35:282
385299315,25cyclictest0-21swapper/120:39:441
385299315,24cyclictest0-21swapper/119:17:341
3852993111,18cyclictest0-21swapper/121:55:301
3852993111,18cyclictest0-21swapper/121:55:301
3852993111,17cyclictest0-21swapper/121:15:161
3852993111,17cyclictest0-21swapper/121:15:151
385199319,16cyclictest0-21swapper/020:06:130
3851993116,14cyclictest0-21swapper/019:55:530
3851993116,14cyclictest0-21swapper/019:45:070
3851993116,12cyclictest0-21swapper/000:35:030
3851993115,14cyclictest0-21swapper/020:10:440
385499308,19cyclictest0-21swapper/321:10:233
385499308,19cyclictest0-21swapper/321:10:223
385499306,22cyclictest0-21swapper/319:46:193
3854993016,13cyclictest0-21swapper/321:00:243
3854993016,13cyclictest0-21swapper/319:55:123
385399305,23cyclictest0-21swapper/219:10:162
3853993016,13cyclictest0-21swapper/219:25:052
3853993016,12cyclictest0-21swapper/221:37:482
3853993016,11cyclictest0-21swapper/221:59:472
3853993016,11cyclictest0-21swapper/221:59:472
3853993015,13cyclictest0-21swapper/223:15:112
3853993011,17cyclictest0-21swapper/221:20:132
3853993011,17cyclictest0-21swapper/221:20:122
3853993010,18cyclictest0-21swapper/200:05:232
3853993010,17cyclictest0-21swapper/222:10:332
385299308,9cyclictest24643-21stress21:35:221
385299305,18cyclictest0-21swapper/120:15:371
385299305,18cyclictest0-21swapper/120:15:371
385299303,14cyclictest81rcu_preempt23:05:171
3852993011,17cyclictest0-21swapper/100:30:261
385199309,16cyclictest0-21swapper/019:15:080
385199305,23cyclictest0-21swapper/019:25:120
385199305,19cyclictest0-21swapper/019:30:190
3851993010,17cyclictest0-21swapper/022:10:170
385499297,20cyclictest0-21swapper/319:20:133
385499296,21cyclictest0-21swapper/320:15:183
385499296,21cyclictest0-21swapper/320:15:173
3854992917,9cyclictest22685-21df_inode19:50:133
3854992915,13cyclictest0-21swapper/320:55:123
3854992914,13cyclictest0-21swapper/319:15:213
3854992913,14cyclictest0-21swapper/319:40:163
385399295,22cyclictest0-21swapper/220:52:042
385399294,23cyclictest0-21swapper/220:20:252
385399294,23cyclictest0-21swapper/219:35:462
385399294,11cyclictest0-21swapper/220:45:152
3853992917,11cyclictest0-21swapper/219:58:552
3853992915,12cyclictest0-21swapper/221:40:162
385299298,15cyclictest0-21swapper/121:30:351
3852992914,13cyclictest0-21swapper/123:10:321
3852992914,13cyclictest0-21swapper/123:10:321
3852992913,14cyclictest0-21swapper/123:55:251
385399289,17cyclictest0-21swapper/200:15:192
385399287,19cyclictest0-21swapper/219:50:212
385399286,19cyclictest0-21swapper/200:10:192
3853992815,12cyclictest0-21swapper/219:16:252
3853992814,12cyclictest0-21swapper/222:45:192
385399279,16cyclictest0-21swapper/223:50:282
385399275,19cyclictest0-21swapper/200:25:212
3853992714,12cyclictest0-21swapper/220:36:382
3851992711,14cyclictest0-21swapper/021:19:200
3851992711,14cyclictest0-21swapper/021:19:200
385399269,15cyclictest0-21swapper/222:35:242
385199267,16cyclictest0-21swapper/023:05:260
385399255,17cyclictest0-21swapper/223:30:272
385299257,8cyclictest24641-21stress22:40:251
385199256,17cyclictest0-21swapper/023:10:350
385199256,17cyclictest0-21swapper/023:10:350
3853992410,12cyclictest0-21swapper/222:55:312
385399224,3cyclictest24641-21stress23:45:312
385199227,13cyclictest0-21swapper/021:10:240
385199227,13cyclictest0-21swapper/021:10:230
385199225,4cyclictest81rcu_preempt21:55:120
385199225,4cyclictest81rcu_preempt21:55:120
123722213,16sleep224641-21stress00:24:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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