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2026-07-15 - 12:25
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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 Wed Jul 15, 2026 00:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31830212666,20sleep20-21swapper/219:09:322
31765211659,52sleep30-21swapper/319:08:443
1941121060,0sleep020792-21stress23:32:290
3153128658,23sleep10-21swapper/119:05:571
3174728354,24sleep00-21swapper/019:08:300
31986994222,17cyclictest0-21swapper/300:00:343
31983994215,24cyclictest0-21swapper/023:47:460
31986994120,19cyclictest0-21swapper/323:20:283
31986994119,19cyclictest0-21swapper/323:50:283
31986994117,22cyclictest0-21swapper/323:56:133
31983994115,19cyclictest0-21swapper/020:37:250
31983994114,21cyclictest0-21swapper/019:36:180
3198699403,35cyclictest20792-21stress23:30:283
31986994020,17cyclictest0-21swapper/300:38:203
31986994018,19cyclictest0-21swapper/323:40:103
31986994017,21cyclictest0-21swapper/321:40:233
31983994019,20cyclictest0-21swapper/019:27:000
31983994012,25cyclictest0-21swapper/022:42:410
31986993919,17cyclictest0-21swapper/323:00:313
31983993915,18cyclictest0-21swapper/020:05:060
31983993910,26cyclictest0-21swapper/023:14:060
168462390,1sleep320797-21stress22:14:183
3198699385,30cyclictest0-21swapper/300:33:253
3198699383,32cyclictest20797-21stress22:15:203
3198699382,33cyclictest20792-21stress21:21:203
31986993819,17cyclictest0-21swapper/323:35:153
31986993819,17cyclictest0-21swapper/323:35:153
31986993817,19cyclictest0-21swapper/323:45:333
31986993817,18cyclictest0-21swapper/300:10:303
31983993811,20cyclictest0-21swapper/023:35:170
31983993811,20cyclictest0-21swapper/023:35:170
52882375,17sleep20-21swapper/220:33:562
3198699377,27cyclictest20797-21stress23:05:303
3198699376,28cyclictest0-21swapper/322:35:233
3198699376,28cyclictest0-21swapper/322:10:013
3198699375,29cyclictest20792-21stress22:46:293
3198699373,32cyclictest20797-21stress21:35:163
3198699373,31cyclictest20797-21stress23:15:203
3198699373,31cyclictest20797-21stress21:32:473
3198699373,31cyclictest20792-21stress22:00:143
3198699373,31cyclictest20792-21stress21:56:303
31986993719,16cyclictest0-21swapper/322:55:173
31983993716,18cyclictest0-21swapper/000:07:150
31983993716,15cyclictest0-21swapper/019:31:240
31983993714,21cyclictest0-21swapper/023:28:450
31983993714,20cyclictest0-21swapper/022:21:360
31983993714,16cyclictest0-21swapper/020:20:180
31983993713,22cyclictest0-21swapper/023:18:080
6212365,15sleep20-21swapper/220:21:582
3198699366,27cyclictest0-21swapper/319:45:193
3198699365,28cyclictest20797-21stress23:13:293
3198699363,30cyclictest499-21taskset20:20:323
3198699363,30cyclictest20797-21stress22:50:233
3198699363,16cyclictest0-21swapper/320:42:083
3198699363,16cyclictest0-21swapper/319:31:283
3198699362,31cyclictest20797-21stress00:21:223
3198699362,16cyclictest0-21swapper/319:20:093
31984993610,13cyclictest0-21swapper/120:35:241
31983993615,19cyclictest0-21swapper/021:16:040
31983993615,19cyclictest0-21swapper/021:16:040
31983993615,18cyclictest0-21swapper/021:33:500
31983993614,20cyclictest0-21swapper/022:52:380
31983993614,20cyclictest0-21swapper/022:03:460
31983993614,19cyclictest0-21swapper/021:50:030
31983993614,19cyclictest0-21swapper/021:50:030
31983993614,12cyclictest0-21swapper/000:31:550
31983993612,18cyclictest0-21swapper/020:25:030
31983993612,18cyclictest0-21swapper/020:25:030
269672365,11sleep00-21swapper/020:10:120
199562365,15sleep00-21swapper/019:53:170
18792365,11sleep20-21swapper/220:25:192
18792365,11sleep20-21swapper/220:25:192
182762365,15sleep20-21swapper/221:01:432
116962365,15sleep10-21swapper/120:47:021
57112350,1sleep320797-21stress21:46:463
3198699356,27cyclictest0-21swapper/319:55:143
3198699356,26cyclictest0-21swapper/320:05:113
3198699355,26cyclictest20792-21stress22:30:183
3198699355,26cyclictest20792-21stress21:50:143
3198699355,26cyclictest20792-21stress21:50:143
3198699353,4cyclictest20792-21stress22:27:333
3198699353,4cyclictest20792-21stress22:27:333
3198699353,29cyclictest18818-21taskset21:05:103
3198599357,25cyclictest0-21swapper/200:20:382
31985993511,14cyclictest0-21swapper/219:35:302
3198399358,21cyclictest0-21swapper/019:58:250
3198399358,21cyclictest0-21swapper/019:40:010
3198399356,23cyclictest0-21swapper/019:10:070
3198399355,23cyclictest0-21swapper/020:00:240
3198399355,18cyclictest0-21swapper/022:28:230
3198399355,18cyclictest0-21swapper/022:28:230
31983993516,17cyclictest0-21swapper/021:58:540
31983993515,18cyclictest0-21swapper/022:16:190
31983993515,18cyclictest0-21swapper/020:50:480
31983993515,18cyclictest0-21swapper/000:16:080
31983993515,18cyclictest0-21swapper/000:16:070
31983993514,19cyclictest0-21swapper/021:49:110
31983993512,21cyclictest0-21swapper/022:35:300
88852345,13sleep20-21swapper/219:26:192
3198699346,26cyclictest0-21swapper/320:00:253
3198699346,25cyclictest0-21swapper/319:25:183
3198699346,25cyclictest0-21swapper/319:15:023
3198699346,25cyclictest0-21swapper/319:15:013
3198699343,29cyclictest20792-21stress00:05:193
3198699343,28cyclictest30349-21python20:15:243
3198699343,28cyclictest20797-21stress22:40:103
3198699343,28cyclictest14789-21ntp_states19:40:193
3198699343,28cyclictest13408-21python20:50:233
3198699342,29cyclictest20792-21stress00:25:153
31984993413,18cyclictest0-21swapper/122:32:071
31983993415,16cyclictest0-21swapper/023:57:260
31983993414,18cyclictest0-21swapper/022:05:030
31983993414,18cyclictest0-21swapper/021:10:080
31983993411,20cyclictest0-21swapper/000:36:060
31983993411,20cyclictest0-21swapper/000:13:280
243562345,13sleep20-21swapper/220:03:292
96482335,14sleep00-21swapper/020:43:240
95112335,14sleep10-21swapper/120:41:421
3198699336,24cyclictest0-21swapper/320:10:243
3198699336,24cyclictest0-21swapper/319:35:123
3198699334,27cyclictest16665-21wget21:00:133
3198699333,3cyclictest3467-21/usr/sbin/munin20:30:233
3198699333,28cyclictest21452-21diskstats21:10:163
3198699333,28cyclictest20792-21stress21:25:163
3198699333,27cyclictest19204-21ntp_states19:50:203
3198699333,27cyclictest15992-21taskset20:55:453
3198699333,27cyclictest11623-21taskset20:46:063
3198699332,4cyclictest20797-21stress22:20:233
3198699332,3cyclictest20794-21stress23:29:323
3198699332,29cyclictest20794-21stress21:15:233
3198699332,29cyclictest20794-21stress21:15:233
3198599337,23cyclictest0-21swapper/221:25:002
3198599336,24cyclictest0-21swapper/221:27:492
31985993316,14cyclictest0-21swapper/223:36:052
31985993316,14cyclictest0-21swapper/223:36:052
3198499339,10cyclictest0-21swapper/120:05:161
31984993313,18cyclictest0-21swapper/123:46:381
31984993310,20cyclictest0-21swapper/122:08:131
31984993310,12cyclictest0-21swapper/121:00:531
3198399339,14cyclictest0-21swapper/021:40:170
3198399335,22cyclictest0-21swapper/021:05:180
3198399333,24cyclictest0-21swapper/019:15:280
31983993318,14cyclictest0-21swapper/020:45:300
31983993315,17cyclictest0-21swapper/021:00:010
31983993315,17cyclictest0-21swapper/019:45:170
31983993315,16cyclictest0-21swapper/021:20:040
31983993314,17cyclictest0-21swapper/023:05:250
31983993311,20cyclictest0-21swapper/022:45:150
31983993310,17cyclictest0-21swapper/020:30:560
178362335,13sleep10-21swapper/119:48:451
3198699323,4cyclictest6320-21mailstats00:15:323
3198699323,4cyclictest6320-21mailstats00:15:323
3198699323,4cyclictest2094-21munin-node20:25:133
3198699323,4cyclictest2094-21munin-node20:25:123
31986993210,21cyclictest0-21swapper/320:35:033
3198599325,25cyclictest0-21swapper/219:50:452
31985993216,13cyclictest0-21swapper/223:41:162
31985993213,16cyclictest0-21swapper/222:11:182
31985993212,17cyclictest0-21swapper/223:04:342
31985993212,17cyclictest0-21swapper/221:36:182
31985993211,18cyclictest0-21swapper/222:46:292
31985993210,19cyclictest0-21swapper/222:40:292
3198499328,9cyclictest0-21swapper/100:20:341
3198499326,19cyclictest0-21swapper/119:40:211
31984993210,12cyclictest0-21swapper/120:30:291
31984993210,12cyclictest0-21swapper/120:20:391
31984993210,12cyclictest0-21swapper/120:10:491
3198399326,23cyclictest0-21swapper/021:35:210
3198399325,20cyclictest0-21swapper/020:58:470
3198399323,22cyclictest0-21swapper/019:25:000
31983993215,15cyclictest0-21swapper/023:20:310
309302325,14sleep00-21swapper/020:18:020
72892315,11sleep20-21swapper/220:36:212
67092315,11sleep10-21swapper/119:21:261
3198599316,22cyclictest0-21swapper/200:15:142
3198599316,22cyclictest0-21swapper/200:15:142
31985993115,13cyclictest0-21swapper/200:26:522
31985993115,13cyclictest0-21swapper/200:11:082
31985993112,16cyclictest0-21swapper/221:30:342
3198499316,22cyclictest0-21swapper/121:10:181
3198499316,22cyclictest0-21swapper/100:31:591
3198499316,22cyclictest0-21swapper/100:16:391
3198499316,22cyclictest0-21swapper/100:16:381
3198499315,24cyclictest0-21swapper/120:00:161
31984993115,14cyclictest0-21swapper/122:56:521
31984993115,14cyclictest0-21swapper/121:40:181
31984993115,14cyclictest0-21swapper/120:26:101
31984993115,14cyclictest0-21swapper/120:26:101
31984993115,13cyclictest0-21swapper/122:00:101
31984993115,13cyclictest0-21swapper/121:45:411
31984993114,15cyclictest0-21swapper/123:05:161
31984993114,15cyclictest0-21swapper/122:54:041
31984993114,15cyclictest0-21swapper/122:15:301
31984993114,15cyclictest0-21swapper/121:09:111
31984993113,15cyclictest0-21swapper/121:15:341
31984993113,15cyclictest0-21swapper/121:15:341
3198399316,22cyclictest0-21swapper/000:25:120
3198399315,16cyclictest0-21swapper/000:00:140
31983993115,14cyclictest0-21swapper/022:55:140
31983993115,14cyclictest0-21swapper/022:10:200
31983993115,14cyclictest0-21swapper/021:25:130
31983993115,14cyclictest0-21swapper/000:20:020
31983993114,15cyclictest0-21swapper/023:50:100
176122315,11sleep20-21swapper/219:45:562
67492305,12sleep20-21swapper/219:21:542
3198599309,18cyclictest0-21swapper/222:50:332
3198599307,20cyclictest0-21swapper/222:00:192
31985993016,12cyclictest0-21swapper/223:55:032
31985993013,14cyclictest0-21swapper/221:54:162
31985993013,14cyclictest0-21swapper/221:54:162
31985993012,16cyclictest0-21swapper/222:25:182
31985993012,16cyclictest0-21swapper/222:25:182
31985993010,17cyclictest0-21swapper/223:10:302
31985993010,17cyclictest0-21swapper/221:14:582
3198499309,14cyclictest0-21swapper/119:15:061
3198499305,23cyclictest0-21swapper/120:57:501
3198499305,23cyclictest0-21swapper/119:28:511
3198499305,23cyclictest0-21swapper/100:05:361
3198499305,13cyclictest0-21swapper/123:25:481
31984993016,12cyclictest0-21swapper/123:31:041
31984993014,13cyclictest0-21swapper/123:50:361
31984993014,13cyclictest0-21swapper/121:35:251
31984993014,13cyclictest0-21swapper/100:35:241
31984993013,15cyclictest0-21swapper/122:20:321
31984993012,15cyclictest0-21swapper/123:10:281
31984993012,15cyclictest0-21swapper/122:35:181
31984993010,17cyclictest0-21swapper/121:50:141
31984993010,17cyclictest0-21swapper/121:50:141
31984993010,10cyclictest0-21swapper/119:55:341
112752305,12sleep10-21swapper/119:34:171
3198599298,18cyclictest0-21swapper/223:15:082
3198599297,19cyclictest0-21swapper/221:15:052
3198599297,19cyclictest0-21swapper/221:15:052
3198599295,12cyclictest0-21swapper/220:06:592
31985992914,12cyclictest0-21swapper/221:55:232
31985992913,14cyclictest0-21swapper/222:05:272
31985992913,13cyclictest0-21swapper/222:55:272
31985992910,16cyclictest0-21swapper/221:40:342
3198499295,22cyclictest0-21swapper/123:15:441
3198499295,22cyclictest0-21swapper/120:50:181
31984992916,12cyclictest0-21swapper/119:52:401
31984992916,11cyclictest0-21swapper/123:40:181
31984992915,12cyclictest0-21swapper/122:45:161
31984992915,12cyclictest0-21swapper/122:10:041
31984992915,12cyclictest0-21swapper/119:11:001
31984992914,13cyclictest0-21swapper/123:55:121
31984992914,12cyclictest0-21swapper/121:25:141
31984992913,14cyclictest0-21swapper/122:44:061
31984992912,15cyclictest0-21swapper/121:30:291
3198599289,17cyclictest0-21swapper/219:18:112
3198599287,18cyclictest0-21swapper/223:30:132
3198599287,18cyclictest0-21swapper/221:45:172
3198599285,21cyclictest0-21swapper/220:55:362
3198599285,21cyclictest0-21swapper/220:10:182
31985992816,11cyclictest0-21swapper/221:08:272
31985992814,12cyclictest0-21swapper/222:15:062
31985992812,14cyclictest0-21swapper/223:05:162
31985992812,13cyclictest0-21swapper/200:05:132
31985992811,14cyclictest0-21swapper/223:20:222
3198499285,21cyclictest0-21swapper/119:35:151
31984992814,12cyclictest0-21swapper/100:10:201
31984992812,13cyclictest0-21swapper/100:25:171
31984992810,16cyclictest0-21swapper/121:55:151
31984992810,11cyclictest0-21swapper/120:15:301
31985992716,10cyclictest0-21swapper/219:40:172
31985992715,11cyclictest0-21swapper/219:58:312
31985992712,12cyclictest0-21swapper/223:25:132
31985992711,14cyclictest0-21swapper/219:33:192
31985992711,14cyclictest0-21swapper/200:01:092
31985992710,15cyclictest0-21swapper/222:30:192
3198499275,20cyclictest0-21swapper/123:00:271
3198499274,11cyclictest0-21swapper/123:35:181
3198499274,11cyclictest0-21swapper/123:35:181
3198399276,10cyclictest0-21swapper/023:00:320
31983992713,12cyclictest0-21swapper/023:40:300
31983992711,14cyclictest0-21swapper/022:30:020
3198599266,17cyclictest0-21swapper/223:45:212
3198599264,20cyclictest0-21swapper/220:45:242
3198599264,20cyclictest0-21swapper/220:16:002
3198599264,19cyclictest0-21swapper/220:40:192
31985992610,15cyclictest0-21swapper/219:10:152
31985992610,13cyclictest0-21swapper/222:20:192
3198499265,19cyclictest0-21swapper/121:20:091
3198599256,17cyclictest0-21swapper/223:53:492
3198599256,17cyclictest0-21swapper/200:30:232
3198599254,20cyclictest0-21swapper/220:50:092
31984992513,10cyclictest0-21swapper/123:20:181
31984992510,13cyclictest0-21swapper/122:25:161
31984992510,13cyclictest0-21swapper/122:25:161
31985992411,11cyclictest0-21swapper/200:35:302
3198499246,15cyclictest0-21swapper/100:00:341
3198599233,7cyclictest20791-21stress22:35:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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