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2026-07-23 - 20:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot1.osadl.org (updated Thu Jul 23, 2026 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1424821530,2sleep10-21swapper/107:11:231
3033121200,2sleep00-21swapper/009:15:410
3033121200,2sleep00-21swapper/009:15:410
537821120,3sleep30-21swapper/308:16:123
537821120,3sleep30-21swapper/308:16:123
537821120,3sleep30-21swapper/308:16:123
2984321120,4sleep30-21swapper/310:31:533
2984321120,4sleep30-21swapper/310:31:533
2608621120,3sleep00-21swapper/007:45:230
2608621120,3sleep00-21swapper/007:45:230
123321100,4sleep30-21swapper/308:05:273
123321100,4sleep30-21swapper/308:05:273
2725421090,3chrt0-21swapper/307:46:223
2725421090,3chrt0-21swapper/307:46:223
3104221010,3sleep00-21swapper/009:55:240
3104221010,3sleep00-21swapper/009:55:240
3104221010,3sleep00-21swapper/009:55:240
2255221000,3sleep00-21swapper/011:03:250
2255221000,3sleep00-21swapper/011:03:250
2255221000,3sleep00-21swapper/011:03:250
2255221000,3sleep00-21swapper/011:03:250
315432910,8sleep227-21ksoftirqd/209:56:072
315432910,8sleep227-21ksoftirqd/209:56:072
315432910,8sleep227-21ksoftirqd/209:56:072
60062900,3sleep00-21swapper/010:03:560
60062900,3sleep00-21swapper/010:03:560
60062900,3sleep00-21swapper/010:03:560
180132890,3sleep30-21swapper/310:57:293
180132890,3sleep30-21swapper/310:57:293
245412820,2chrt0-21swapper/209:06:152
245412820,2chrt0-21swapper/209:06:152
292862790,3chrt0-21swapper/311:12:003
292862790,3chrt0-21swapper/311:12:003
292862790,3chrt0-21swapper/311:12:003
141372790,2sleep30-21swapper/310:14:003
141372790,2sleep30-21swapper/310:14:003
233402780,4sleep30-21swapper/310:24:533
233402780,4sleep30-21swapper/310:24:533
110182780,3sleep30-21swapper/310:10:473
110182780,3sleep30-21swapper/310:10:473
149722760,3chrt0-21swapper/307:16:003
48792590,2sleep20-21swapper/211:23:412
48792590,2sleep20-21swapper/211:23:412
48792590,2sleep20-21swapper/211:23:412
264042570,2sleep30-21swapper/312:30:013
264042570,2sleep30-21swapper/312:30:013
264042570,2sleep30-21swapper/312:30:013
184192560,4sleep00-21swapper/012:20:100
184192560,4sleep00-21swapper/012:20:100
250272550,2sleep20-21swapper/207:41:152
250272550,2sleep20-21swapper/207:41:152
179982540,3chrt0-21swapper/311:39:373
179982540,3chrt0-21swapper/311:39:373
89782530,3chrt0-21swapper/110:46:221
89782530,3chrt0-21swapper/110:46:221
182952530,3chrt0-21swapper/009:39:040
182952530,3chrt0-21swapper/009:39:040
182952530,3chrt0-21swapper/009:39:040
7872510,4chrt0-21swapper/309:56:443
7872510,4chrt0-21swapper/309:56:443
256232510,7sleep333-21ksoftirqd/310:26:343
256232510,7sleep333-21ksoftirqd/310:26:343
256232510,7sleep333-21ksoftirqd/310:26:343
208942510,3sleep0151rcuc/010:21:170
208942510,3sleep0151rcuc/010:21:170
200092510,2chrt0-21swapper/009:41:130
200092510,2chrt0-21swapper/009:41:130
200092510,2chrt0-21swapper/009:41:130
268072490,3sleep30-21swapper/309:50:013
268072490,3sleep30-21swapper/309:50:013
268072490,3sleep30-21swapper/309:50:013
150762490,6sleep121-21ksoftirqd/109:35:321
150762490,6sleep121-21ksoftirqd/109:35:321
301792480,3chrt0-21swapper/011:14:020
301792480,3chrt0-21swapper/011:14:020
301792480,3chrt0-21swapper/011:14:020
11592480,3sleep20-21swapper/209:18:162
99672470,6sleep121-21ksoftirqd/110:08:441
99672470,6sleep121-21ksoftirqd/110:08:441
319972470,5chrt31990-21cron10:36:000
319972470,5chrt31990-21cron10:36:000
140812470,3sleep20-21swapper/209:33:402
140812470,3sleep20-21swapper/209:33:402
54252460,3chrt0-21swapper/210:02:542
54252460,3chrt0-21swapper/210:02:542
54252460,3chrt0-21swapper/210:02:542
50522460,3sleep20-21swapper/210:41:242
50522460,3sleep20-21swapper/210:41:242
50522460,3sleep20-21swapper/210:41:242
229862460,3sleep214610-21cyclictest09:01:202
229862460,3sleep214610-21cyclictest09:01:202
195022460,4sleep30-21swapper/310:20:313
195022460,4sleep30-21swapper/310:20:313
96852420,2sleep227-21ksoftirqd/212:08:542
96852420,2sleep227-21ksoftirqd/212:08:542
96852420,2sleep227-21ksoftirqd/212:08:542
162072420,2sleep116267-21ps10:16:201
162072420,2sleep116267-21ps10:16:201
131392420,3sleep00-21swapper/012:12:460
131392420,3sleep00-21swapper/012:12:460
261252410,4sleep10-21swapper/111:49:201
261252410,4sleep10-21swapper/111:49:201
257122410,3chrt0-21swapper/110:26:441
257122410,3chrt0-21swapper/110:26:441
257122410,3chrt0-21swapper/110:26:441
212682400,2sleep121503-21ssh10:21:231
212682400,2sleep121503-21ssh10:21:231
136692390,3sleep00-21swapper/010:51:510
136692390,3sleep00-21swapper/010:51:510
136692390,3sleep00-21swapper/010:51:510
136692390,3sleep00-21swapper/010:51:510
34692380,3sleep20-21swapper/209:21:102
34692380,3sleep20-21swapper/209:21:102
34692380,3sleep20-21swapper/209:21:102
29782380,3sleep10-21swapper/110:39:471
29782380,3sleep10-21swapper/110:39:471
29782380,3sleep10-21swapper/110:39:471
246222380,4sleep30-21swapper/311:46:263
246222380,4sleep30-21swapper/311:46:263
209132380,2sleep00-21swapper/011:41:590
209132380,2sleep00-21swapper/011:41:590
209132380,2sleep00-21swapper/011:41:590
177912380,2sleep217801-21ssh09:38:072
177912380,2sleep217801-21ssh09:38:072
177912380,2sleep217801-21ssh09:38:072
100102380,9sleep012-21ksoftirqd/008:26:220
283832360,3sleep214610-21cyclictest11:51:222
283832360,3sleep214610-21cyclictest11:51:222
279892350,4chrt0-21swapper/309:51:133
279892350,4chrt0-21swapper/309:51:133
279892350,4chrt0-21swapper/309:51:133
222072350,3sleep10-21swapper/111:44:261
222072350,3sleep10-21swapper/111:44:261
222072350,3sleep10-21swapper/111:44:261
204832350,4sleep30-21swapper/309:41:203
204832350,4sleep30-21swapper/309:41:203
204832350,4sleep30-21swapper/309:41:203
130262350,3sleep30-21swapper/308:36:133
130262350,3sleep30-21swapper/308:36:133
103062350,3sleep20-21swapper/210:48:122
103062350,3sleep20-21swapper/210:48:122
62782340,3sleep30-21swapper/309:24:203
62782340,3sleep30-21swapper/309:24:203
62782340,3sleep30-21swapper/309:24:203
164862340,3sleep30-21swapper/312:16:273
164862340,3sleep30-21swapper/312:16:273
309752330,3sleep20-21swapper/211:15:492
309752330,3sleep20-21swapper/211:15:492
309752330,3sleep20-21swapper/211:15:492
14611993320,9cyclictest38150irq/55-eth009:01:120
14611993320,9cyclictest38150irq/55-eth009:01:120
279912320,2sleep028125-21sed11:11:140
279912320,2sleep028125-21sed11:11:140
279912320,2sleep028125-21sed11:11:140
279912320,2sleep028125-21sed11:11:140
180882320,3sleep20-21swapper/210:18:292
180882320,3sleep20-21swapper/210:18:292
145092310,2sleep20-21swapper/210:14:402
145092310,2sleep20-21swapper/210:14:402
80972300,2sleep18275-21/usr/sbin/munin12:06:251
80972300,2sleep18275-21/usr/sbin/munin12:06:251
80972300,2sleep18275-21/usr/sbin/munin12:06:251
18362300,2sleep21847-21ssh12:39:262
18362300,2sleep21847-21ssh12:39:262
1461199306,5cyclictest131rcu_preempt08:16:120
1461199306,5cyclictest131rcu_preempt08:16:120
1461199306,5cyclictest131rcu_preempt08:16:120
14611993011,7cyclictest12-21ksoftirqd/009:25:550
14611993011,7cyclictest12-21ksoftirqd/009:25:550
14611993011,7cyclictest12-21ksoftirqd/009:25:550
14292300,3sleep20-21swapper/211:58:332
14292300,3sleep20-21swapper/211:58:332
14292300,3sleep20-21swapper/211:58:332
134922305,15sleep213038-21ls07:11:132
291292290,4sleep30-21swapper/309:13:553
291292290,4sleep30-21swapper/309:13:553
249522290,3sleep00-21swapper/010:26:190
249522290,3sleep00-21swapper/010:26:190
249522290,3sleep00-21swapper/010:26:190
245382290,3sleep10-21swapper/112:26:261
245382290,3sleep10-21swapper/112:26:261
245382290,3sleep10-21swapper/112:26:261
14611992910,13cyclictest12-21ksoftirqd/009:34:270
14611992910,13cyclictest12-21ksoftirqd/009:34:270
67222280,3sleep20-21swapper/208:18:482
67222280,3sleep20-21swapper/208:18:482
67222280,3sleep20-21swapper/208:18:482
282512280,3chrt0-21swapper/211:11:152
282512280,3chrt0-21swapper/211:11:152
282512280,3chrt0-21swapper/211:11:152
282512280,3chrt0-21swapper/211:11:152
245272280,2sleep00-21swapper/012:26:250
245272280,2sleep00-21swapper/012:26:250
245272280,2sleep00-21swapper/012:26:250
14612992813,5cyclictest131rcu_preempt09:01:121
14612992813,5cyclictest131rcu_preempt09:01:121
14612992811,5cyclictest21-21ksoftirqd/109:41:111
14612992811,5cyclictest21-21ksoftirqd/109:41:111
14612992811,5cyclictest21-21ksoftirqd/109:41:111
14611992816,10cyclictest17617-21ssh10:56:450
14611992816,10cyclictest17617-21ssh10:56:450
14611992812,6cyclictest12-21ksoftirqd/009:58:370
14611992812,6cyclictest12-21ksoftirqd/009:58:370
145622285,13sleep00-21swapper/007:11:360
79462270,3sleep10-21swapper/111:27:211
79462270,3sleep10-21swapper/111:27:211
79462270,3sleep10-21swapper/111:27:211
41122270,4sleep333-21ksoftirqd/310:41:133
41122270,4sleep333-21ksoftirqd/310:41:133
41122270,4sleep333-21ksoftirqd/310:41:133
176362270,2sleep00-21swapper/010:17:510
176362270,2sleep00-21swapper/010:17:510
14611992712,8cyclictest12-21ksoftirqd/009:48:030
14611992712,8cyclictest12-21ksoftirqd/009:48:030
14611992712,8cyclictest12-21ksoftirqd/009:48:030
14611992711,12cyclictest12-21ksoftirqd/008:31:120
14611992711,12cyclictest12-21ksoftirqd/008:31:120
14613992617,6cyclictest2806-21grep11:21:132
14613992617,6cyclictest2806-21grep11:21:132
14613992617,6cyclictest2806-21grep11:21:132
14613992617,6cyclictest2806-21grep11:21:132
1461199269,9cyclictest12-21ksoftirqd/010:43:280
1461199269,9cyclictest12-21ksoftirqd/010:43:280
1461199269,9cyclictest12-21ksoftirqd/010:43:280
1461199266,4cyclictest131rcu_preempt08:06:120
1461199266,4cyclictest131rcu_preempt08:06:120
14611992613,4cyclictest12-21ksoftirqd/011:56:010
14611992613,4cyclictest12-21ksoftirqd/011:56:010
14611992610,5cyclictest12-21ksoftirqd/010:10:350
14611992610,5cyclictest12-21ksoftirqd/010:10:350
220482250,3sleep30-21swapper/311:44:073
220482250,3sleep30-21swapper/311:44:073
220482250,3sleep30-21swapper/311:44:073
18572250,3sleep20-21swapper/209:58:482
18572250,3sleep20-21swapper/209:58:482
174662250,4chrt0-21swapper/307:21:143
174662250,4chrt0-21swapper/307:21:143
174662250,4chrt0-21swapper/307:21:143
14612992516,6cyclictest8183-21ntp_states09:26:181
14612992516,6cyclictest8183-21ntp_states09:26:181
1461199259,6cyclictest12-21ksoftirqd/007:29:480
1461199259,6cyclictest12-21ksoftirqd/007:29:480
1461199257,11cyclictest12-21ksoftirqd/008:15:270
1461199257,11cyclictest12-21ksoftirqd/008:15:270
1461199252,20cyclictest151rcuc/007:16:240
1461199252,20cyclictest151rcuc/007:16:240
4202240,2sleep2261rcuc/208:01:202
4202240,2sleep2261rcuc/208:01:202
299792240,3sleep20-21swapper/209:15:112
299792240,3sleep20-21swapper/209:15:112
14614992415,6cyclictest321rcuc/308:23:573
14614992415,6cyclictest321rcuc/308:23:573
1461299241,3cyclictest131rcu_preempt08:11:121
1461299241,3cyclictest131rcu_preempt08:11:121
1461299241,18cyclictest31951-21ls08:01:051
1461299241,18cyclictest31951-21ls08:01:051
1461199249,4cyclictest12-21ksoftirqd/009:26:450
1461199249,4cyclictest12-21ksoftirqd/009:26:450
1461199249,4cyclictest12-21ksoftirqd/007:31:130
1461199249,4cyclictest12-21ksoftirqd/007:31:130
1461199248,6cyclictest12-21ksoftirqd/009:17:100
1461199247,6cyclictest12-21ksoftirqd/008:00:310
1461199247,6cyclictest12-21ksoftirqd/008:00:310
1461199246,7cyclictest12-21ksoftirqd/012:09:100
1461199246,7cyclictest12-21ksoftirqd/012:09:100
1461199246,7cyclictest12-21ksoftirqd/012:09:100
1461199244,8cyclictest12-21ksoftirqd/012:31:550
1461199244,8cyclictest12-21ksoftirqd/012:31:550
1461199244,8cyclictest12-21ksoftirqd/012:31:550
14611992413,5cyclictest12-21ksoftirqd/012:01:100
14611992413,5cyclictest12-21ksoftirqd/012:01:100
14611992413,5cyclictest12-21ksoftirqd/012:01:100
14611992412,6cyclictest12-21ksoftirqd/007:48:500
14611992412,6cyclictest12-21ksoftirqd/007:48:500
14611992411,6cyclictest12-21ksoftirqd/008:53:170
14611992411,6cyclictest12-21ksoftirqd/008:53:170
14611992411,6cyclictest12-21ksoftirqd/007:41:000
14611992411,6cyclictest12-21ksoftirqd/007:41:000
14611992410,7cyclictest12-21ksoftirqd/011:35:550
14611992410,7cyclictest12-21ksoftirqd/011:35:550
14611992410,7cyclictest12-21ksoftirqd/010:15:380
14611992410,7cyclictest12-21ksoftirqd/010:15:380
62872230,8sleep012-21ksoftirqd/011:26:120
62872230,8sleep012-21ksoftirqd/011:26:120
62872230,8sleep012-21ksoftirqd/011:26:120
257612230,3sleep20-21swapper/211:48:372
257612230,3sleep20-21swapper/211:48:372
14614992315,5cyclictest321rcuc/308:58:053
14614992315,5cyclictest321rcuc/308:58:053
1461399231,17cyclictest20153-21ssh10:21:092
1461399231,17cyclictest20153-21ssh10:21:092
1461299236,4cyclictest141rcub/011:06:131
1461299236,4cyclictest141rcub/011:06:131
1461299236,4cyclictest141rcub/011:06:131
1461299236,4cyclictest141rcub/011:06:131
14612992316,3cyclictest211ksoftirqd/109:56:101
14612992316,3cyclictest211ksoftirqd/109:56:101
1461199239,6cyclictest12-21ksoftirqd/012:21:590
1461199239,6cyclictest12-21ksoftirqd/012:21:590
1461199239,5cyclictest131rcu_preempt10:40:450
1461199239,5cyclictest131rcu_preempt10:40:450
1461199239,5cyclictest131rcu_preempt10:40:450
1461199239,5cyclictest12-21ksoftirqd/010:48:390
1461199239,5cyclictest12-21ksoftirqd/010:48:390
1461199237,10cyclictest12-21ksoftirqd/009:07:180
1461199237,10cyclictest12-21ksoftirqd/009:07:180
1461199236,9cyclictest12-21ksoftirqd/012:05:050
1461199236,9cyclictest12-21ksoftirqd/012:05:050
1461199236,9cyclictest12-21ksoftirqd/012:05:050
14611992314,7cyclictest2016-21ssh12:39:410
14611992314,7cyclictest2016-21ssh12:39:410
14611992312,8cyclictest12-21ksoftirqd/008:46:110
14611992312,8cyclictest12-21ksoftirqd/008:46:110
14611992312,8cyclictest12-21ksoftirqd/008:46:110
14611992312,5cyclictest12-21ksoftirqd/007:56:030
14611992312,5cyclictest12-21ksoftirqd/007:56:030
1461199231,18cyclictest17543-21ls07:21:150
1461199231,18cyclictest17543-21ls07:21:150
1461199231,18cyclictest17543-21ls07:21:150
14611992310,6cyclictest12-21ksoftirqd/011:27:550
14611992310,6cyclictest12-21ksoftirqd/011:27:550
14611992310,6cyclictest12-21ksoftirqd/011:27:550
14611992310,5cyclictest12-21ksoftirqd/008:58:270
14611992310,5cyclictest12-21ksoftirqd/008:58:270
18852220,3sleep30-21swapper/310:37:403
18852220,3sleep30-21swapper/310:37:403
18852220,3sleep30-21swapper/310:37:403
155522220,3sleep227-21ksoftirqd/210:55:272
155522220,3sleep227-21ksoftirqd/210:55:272
155522220,3sleep227-21ksoftirqd/210:55:272
155522220,3sleep227-21ksoftirqd/210:55:272
1461399221,15cyclictest24424-21ssh10:26:132
1461399221,15cyclictest24424-21ssh10:26:132
1461399221,15cyclictest24424-21ssh10:26:132
1461399220,18cyclictest19251-21ls07:26:132
1461399220,18cyclictest19251-21ls07:26:132
1461299229,3cyclictest0-21swapper/112:25:361
1461299229,3cyclictest0-21swapper/112:25:361
14612992215,5cyclictest15051-21ssh10:54:291
14612992215,5cyclictest15051-21ssh10:54:291
14612992215,5cyclictest15051-21ssh10:54:291
14612992215,5cyclictest15051-21ssh10:54:291
14612992215,5cyclictest14157-21rm12:14:411
14612992215,5cyclictest14157-21rm12:14:411
14612992211,6cyclictest21-21ksoftirqd/111:21:131
14612992211,6cyclictest21-21ksoftirqd/111:21:131
14612992211,6cyclictest21-21ksoftirqd/111:21:131
14612992211,6cyclictest21-21ksoftirqd/111:21:131
1461299221,15cyclictest20073-21ls08:55:591
1461299221,15cyclictest20073-21ls08:55:591
14612992210,5cyclictest131rcu_preempt09:06:121
14612992210,5cyclictest131rcu_preempt09:06:121
1461199229,5cyclictest12-21ksoftirqd/008:21:530
1461199229,5cyclictest12-21ksoftirqd/008:21:530
1461199228,4cyclictest12-21ksoftirqd/011:36:390
1461199228,4cyclictest12-21ksoftirqd/011:36:390
14611992216,4cyclictest12-21ksoftirqd/011:16:200
14611992216,4cyclictest12-21ksoftirqd/011:16:200
14611992216,4cyclictest12-21ksoftirqd/011:16:200
14611992216,4cyclictest12-21ksoftirqd/011:16:200
14611992211,5cyclictest12-21ksoftirqd/011:47:190
14611992211,5cyclictest12-21ksoftirqd/011:47:190
14614992113,5cyclictest0-21swapper/310:53:083
14614992113,5cyclictest0-21swapper/310:53:083
14614992113,5cyclictest0-21swapper/310:53:083
14614992113,5cyclictest0-21swapper/310:53:083
1461499211,16cyclictest0-21swapper/310:06:103
1461499211,16cyclictest0-21swapper/310:06:103
1461499211,16cyclictest0-21swapper/310:06:103
1461399218,10cyclictest27846-21ssh09:51:122
1461399217,11cyclictest832-21systemd-journal12:15:592
1461399217,11cyclictest832-21systemd-journal12:15:592
1461399211,9cyclictest21442-21unixbench-2d08:56:252
1461399211,9cyclictest21442-21unixbench-2d08:56:252
14613992113,5cyclictest3375-21cat08:11:092
14613992113,5cyclictest3375-21cat08:11:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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