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2026-06-15 - 21:40
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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 Mon Jun 15, 2026 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2425023110,4sleep20-21swapper/207:10:522
2425023110,4sleep20-21swapper/207:10:522
2432921520,3sleep30-21swapper/311:15:003
2432921520,3sleep30-21swapper/311:15:003
2432921520,3sleep30-21swapper/311:15:003
3257521420,3sleep30-21swapper/310:01:413
3257521420,3sleep30-21swapper/310:01:413
3257521420,3sleep30-21swapper/310:01:413
117921060,3sleep1643-21/usr/sbin/munin10:45:401
117921060,3sleep1643-21/usr/sbin/munin10:45:401
117921060,3sleep1643-21/usr/sbin/munin10:45:401
255082940,3sleep10-21swapper/111:15:421
255082940,3sleep10-21swapper/111:15:421
255082940,3sleep10-21swapper/111:15:421
184972920,3chrt0-21swapper/010:25:460
184972920,3chrt0-21swapper/010:25:460
238422870,3sleep00-21swapper/010:33:050
238422870,3sleep00-21swapper/010:33:050
132342870,2sleep012227-21/usr/sbin/munin11:40:450
132342870,2sleep012227-21/usr/sbin/munin11:40:450
55762860,3chrt5572-21find10:50:450
230472790,2sleep00-21swapper/012:34:590
230472790,2sleep00-21swapper/012:34:590
242722730,2sleep022836-21ls07:11:070
242722730,2sleep022836-21ls07:11:070
108062710,3chrt0-21swapper/010:57:170
108062710,3chrt0-21swapper/010:57:170
65782680,3sleep00-21swapper/012:14:410
65782680,3sleep00-21swapper/012:14:410
31312660,3chrt0-21swapper/007:45:260
31312660,3chrt0-21swapper/007:45:260
142832650,4sleep012-21ksoftirqd/010:20:430
142832650,4sleep012-21ksoftirqd/010:20:430
265802620,3chrt0-21swapper/011:16:500
265802620,3chrt0-21swapper/011:16:500
265802620,3chrt0-21swapper/011:16:500
236062620,2sleep10-21swapper/109:45:401
236062620,2sleep10-21swapper/109:45:401
236062620,2sleep10-21swapper/109:45:401
283742610,3chrt28375-21latency_hist07:25:290
283742610,3chrt28375-21latency_hist07:25:290
155692590,3chrt0-21swapper/111:44:441
155692590,3chrt0-21swapper/111:44:441
107852590,3sleep10-21swapper/111:38:411
269612580,3sleep00-21swapper/011:59:140
269612580,3sleep00-21swapper/011:59:140
269612580,3sleep00-21swapper/011:59:140
208802580,3sleep30-21swapper/309:41:193
208802580,3sleep30-21swapper/309:41:193
208802580,3sleep30-21swapper/309:41:193
111762550,3sleep00-21swapper/008:05:450
111762550,3sleep00-21swapper/008:05:450
120622540,3chrt0-21swapper/112:20:371
120622540,3chrt0-21swapper/112:20:371
305652510,2sleep230571-21ssh10:41:002
305652510,2sleep230571-21ssh10:41:002
215032510,3sleep00-21swapper/011:10:390
215032510,3sleep00-21swapper/011:10:390
215032510,3sleep00-21swapper/011:10:390
207972510,3sleep20-21swapper/211:10:292
207972510,3sleep20-21swapper/211:10:292
93002480,3sleep30-21swapper/310:55:433
93002480,3sleep30-21swapper/310:55:433
118232480,2sleep30-21swapper/311:40:163
101372460,3sleep30-21swapper/310:15:443
101372460,3sleep30-21swapper/310:15:443
42902450,3sleep30-21swapper/310:50:203
42902450,3sleep30-21swapper/310:50:203
42902450,3sleep30-21swapper/310:50:203
246242450,4sleep1201rcuc/111:55:411
246242450,4sleep1201rcuc/111:55:411
246242450,4sleep1201rcuc/111:55:411
3532440,3chrt0-21swapper/007:35:460
10682430,10sleep333-21ksoftirqd/312:06:363
10682430,10sleep333-21ksoftirqd/312:06:363
10682430,10sleep333-21ksoftirqd/312:06:363
26472420,3sleep00-21swapper/012:09:390
26472420,3sleep00-21swapper/012:09:390
26472420,3sleep00-21swapper/012:09:390
254882420,4sleep00-21swapper/008:45:380
254882420,4sleep00-21swapper/008:45:380
23912420,2sleep30-21swapper/307:40:433
23912420,2sleep30-21swapper/307:40:433
247242390,2sleep124727-21cron08:45:241
247242390,2sleep124727-21cron08:45:241
165732390,3sleep30-21swapper/308:20:423
165732390,3sleep30-21swapper/308:20:423
165732390,3sleep30-21swapper/308:20:423
39482380,3chrt0-21swapper/007:45:420
39482380,3chrt0-21swapper/007:45:420
252002380,2sleep20-21swapper/209:48:262
252002380,2sleep20-21swapper/209:48:262
252002380,2sleep20-21swapper/209:48:262
249592360,2sleep20-21swapper/212:36:052
249592360,2sleep20-21swapper/212:36:052
249592360,2sleep20-21swapper/212:36:052
112822350,4sleep30-21swapper/309:24:033
112822350,4sleep30-21swapper/309:24:033
112822350,4sleep30-21swapper/309:24:033
272512330,2sleep00-21swapper/009:52:540
272512330,2sleep00-21swapper/009:52:540
272512330,2sleep00-21swapper/009:52:540
272512330,2sleep00-21swapper/009:52:540
206942330,3sleep10-21swapper/112:30:461
206942330,3sleep10-21swapper/112:30:461
174832330,3chrt0-21swapper/312:26:383
174832330,3chrt0-21swapper/312:26:383
174832330,3chrt0-21swapper/312:26:383
83252320,3sleep00-21swapper/012:15:460
83252320,3sleep00-21swapper/012:15:460
236632325,17sleep30-21swapper/307:10:423
236632325,17sleep30-21swapper/307:10:423
263412310,3sleep30-21swapper/308:48:233
263412310,3sleep30-21swapper/308:48:233
252282310,2chrt0-21swapper/310:35:333
252282310,2chrt0-21swapper/310:35:333
237222310,1sleep1201rcuc/107:10:431
237222310,1sleep1201rcuc/107:10:431
222602310,3sleep00-21swapper/009:44:380
222602310,3sleep00-21swapper/009:44:380
222602310,3sleep00-21swapper/009:44:380
193192310,3sleep20-21swapper/212:30:152
193192310,3sleep20-21swapper/212:30:152
193192310,3sleep20-21swapper/212:30:152
159712310,3sleep30-21swapper/310:23:003
159712310,3sleep30-21swapper/310:23:003
121902310,2sleep30-21swapper/308:10:293
121902310,2sleep30-21swapper/308:10:293
49572300,3chrt0-21swapper/011:30:440
49572300,3chrt0-21swapper/011:30:440
16662300,2sleep01675-21ssh10:04:570
16662300,2sleep01675-21ssh10:04:570
16662300,2sleep01675-21ssh10:04:570
2431299290,12cyclictest0-21swapper/012:25:150
2431299290,12cyclictest0-21swapper/012:25:150
35372280,3sleep10-21swapper/111:30:051
35372280,3sleep10-21swapper/111:30:051
310572280,2sleep00-21swapper/012:04:320
310572280,2sleep00-21swapper/012:04:320
2431399284,5cyclictest22915-21ssh10:31:171
2431399284,5cyclictest22915-21ssh10:31:171
24313992823,3cyclictest201rcuc/111:55:241
24313992823,3cyclictest201rcuc/111:55:241
2431299281,10cyclictest7244-21if_eth007:55:380
2431299280,13cyclictest0-21swapper/007:34:380
2431299280,13cyclictest0-21swapper/007:34:380
2431299280,13cyclictest0-21swapper/007:34:380
2431299280,12cyclictest18159-21irqstats08:25:390
2431299280,12cyclictest18159-21irqstats08:25:390
2431299280,10cyclictest12802-21memory08:10:370
2431299280,10cyclictest12802-21memory08:10:370
24314992716,8cyclictest22894-21cron08:40:242
24314992716,8cyclictest22894-21cron08:40:242
2431399278,8cyclictest0-21swapper/112:16:581
2431399278,8cyclictest0-21swapper/112:16:581
2431399274,7cyclictest201rcuc/112:04:031
2431399274,7cyclictest201rcuc/112:04:031
2431399273,7cyclictest25934-21ssh12:38:011
2431399273,7cyclictest25934-21ssh12:38:011
2431399273,7cyclictest25934-21ssh12:38:011
2431299270,9cyclictest31969-21ssh10:43:420
2431299270,9cyclictest31969-21ssh10:43:420
2431299270,9cyclictest18845-21ssh09:36:580
2431299270,9cyclictest18845-21ssh09:36:580
2431299270,9cyclictest18845-21ssh09:36:580
2431299270,15cyclictest18053-21ssh09:35:260
2431299270,15cyclictest18053-21ssh09:35:260
2431299270,15cyclictest18053-21ssh09:35:260
2431299270,13cyclictest10290-21ssh09:22:190
2431299270,13cyclictest10290-21ssh09:22:190
2431299270,13cyclictest10290-21ssh09:22:190
2431299270,12cyclictest4193-21ssh10:07:110
2431299270,12cyclictest4193-21ssh10:07:110
2431299270,12cyclictest4193-21ssh10:07:110
2431299270,12cyclictest3883-21ssh09:12:470
2431299270,12cyclictest3883-21ssh09:12:470
2431299270,12cyclictest24952-21ssh09:47:520
2431299270,12cyclictest24952-21ssh09:47:520
2431299270,12cyclictest24952-21ssh09:47:520
2431299270,11cyclictest3982-21chrt10:49:450
2431299270,11cyclictest3982-21chrt10:49:450
2431299270,11cyclictest3982-21chrt10:49:450
2431299270,10cyclictest31132-21chrt09:58:490
2431299270,10cyclictest31132-21chrt09:58:490
2431299270,10cyclictest31132-21chrt09:58:490
2431299270,10cyclictest1668-21/usr/sbin/munin09:10:350
2431299270,10cyclictest1668-21/usr/sbin/munin09:10:350
2431299270,10cyclictest1668-21/usr/sbin/munin09:10:350
184302270,3sleep224311-21cyclictest11:47:382
184302270,3sleep224311-21cyclictest11:47:382
184302270,3sleep224311-21cyclictest11:47:382
2431399267,4cyclictest201rcuc/111:15:351
2431399267,4cyclictest201rcuc/111:15:351
2431399267,4cyclictest201rcuc/111:15:351
2431399266,4cyclictest201rcuc/111:04:421
2431399266,4cyclictest201rcuc/111:04:421
2431399266,4cyclictest201rcuc/111:04:421
2431399265,3cyclictest131rcu_preempt09:30:401
2431399265,3cyclictest131rcu_preempt09:30:401
2431399265,3cyclictest131rcu_preempt09:30:401
2431399264,6cyclictest20308-21ssh11:09:401
2431399264,6cyclictest20308-21ssh11:09:401
2431399263,6cyclictest6557-21ssh10:52:061
2431399260,10cyclictest5880-21ssh11:32:041
2431399260,10cyclictest5880-21ssh11:32:041
2431299260,9cyclictest764-21ntpq11:25:420
2431299260,9cyclictest764-21ntpq11:25:420
2431299260,9cyclictest5728-21ntp_states07:50:420
2431299260,9cyclictest5728-21ntp_states07:50:420
2431299260,9cyclictest17037-21users12:25:480
2431299260,9cyclictest17037-21users12:25:480
2431299260,9cyclictest17037-21users12:25:480
2431299260,9cyclictest0-21swapper/011:53:300
2431299260,9cyclictest0-21swapper/011:53:300
2431299260,8cyclictest0-21swapper/009:28:050
2431299260,8cyclictest0-21swapper/009:28:050
2431299260,8cyclictest0-21swapper/009:28:050
2431299260,13cyclictest30596-21seq11:22:000
2431299260,13cyclictest30596-21seq11:22:000
2431299260,12cyclictest12468-21ssh10:19:200
2431299260,12cyclictest12468-21ssh10:19:200
2431299260,11cyclictest817-21runrttasks11:08:060
2431299260,11cyclictest817-21runrttasks11:08:060
2431299260,11cyclictest7163-21chrt09:16:370
2431299260,11cyclictest7163-21chrt09:16:370
2431299260,11cyclictest7163-21chrt09:16:370
2431299260,11cyclictest6610-21sh10:11:320
2431299260,11cyclictest6610-21sh10:11:320
2431299260,11cyclictest6610-21sh10:11:320
2431299260,11cyclictest13716-21memory11:00:400
2431299260,11cyclictest13716-21memory11:00:400
2431299260,11cyclictest13716-21memory11:00:400
171542261,2sleep10-21swapper/110:25:151
171542261,2sleep10-21swapper/110:25:151
2431399254,4cyclictest21-21ksoftirqd/107:25:471
2431399254,4cyclictest21-21ksoftirqd/107:25:471
2431399254,4cyclictest201rcuc/111:48:001
2431399254,4cyclictest201rcuc/111:48:001
2431399254,4cyclictest201rcuc/111:48:001
2431399253,6cyclictest28045-21ssh10:38:441
2431399253,6cyclictest28045-21ssh10:38:441
2431399253,5cyclictest21-21ksoftirqd/110:25:431
2431399253,5cyclictest21-21ksoftirqd/110:25:431
2431399251,4cyclictest0-21swapper/112:13:391
2431399251,4cyclictest0-21swapper/112:13:391
2431299250,9cyclictest8548-21ntp_states11:35:440
2431299250,9cyclictest25691-21ssh12:37:310
2431299250,9cyclictest25691-21ssh12:37:310
2431299250,9cyclictest25691-21ssh12:37:310
2431299250,7cyclictest26274-21grep10:35:450
2431299250,7cyclictest26274-21grep10:35:450
2431299250,11cyclictest17589-21ssh11:46:040
2431299250,11cyclictest17589-21ssh11:46:040
2431299250,11cyclictest17589-21ssh11:46:040
80892240,3sleep10-21swapper/110:14:291
80892240,3sleep10-21swapper/110:14:291
80892240,3sleep10-21swapper/110:14:291
71152240,9sleep227-21ksoftirqd/207:55:372
269522240,3sleep30-21swapper/311:59:133
269522240,3sleep30-21swapper/311:59:133
269522240,3sleep30-21swapper/311:59:133
24314992413,8cyclictest10676-21kworker/u8:211:10:452
24314992413,8cyclictest10676-21kworker/u8:211:10:452
24314992413,8cyclictest10676-21kworker/u8:211:10:452
24314992413,6cyclictest23106-21latency_hist09:45:342
24314992413,6cyclictest23106-21latency_hist09:45:342
24314992413,6cyclictest23106-21latency_hist09:45:342
2431499241,18cyclictest28526-21ls08:55:332
2431499241,18cyclictest28526-21ls08:55:332
2431499241,18cyclictest28526-21ls08:55:332
24314992411,6cyclictest0-21swapper/212:30:462
24314992411,6cyclictest0-21swapper/212:30:462
2431499241,10cyclictest29531-21unixbench-2d07:25:472
2431499241,10cyclictest29531-21unixbench-2d07:25:472
2431399247,7cyclictest21-21ksoftirqd/107:55:271
2431399247,7cyclictest21-21ksoftirqd/107:55:271
2431399243,4cyclictest21-21ksoftirqd/112:25:421
2431399243,4cyclictest21-21ksoftirqd/112:25:421
2431399243,4cyclictest21-21ksoftirqd/112:25:421
24313992416,6cyclictest30820-21sh09:58:041
24313992416,6cyclictest30820-21sh09:58:041
24313992416,6cyclictest30820-21sh09:58:041
2431299240,9cyclictest31295-21grep09:00:470
2431299240,9cyclictest31295-21grep09:00:470
2431299240,9cyclictest10030-21chrt08:02:140
2431299240,9cyclictest10030-21chrt08:02:140
2431299240,9cyclictest10030-21chrt08:02:140
2431299240,8cyclictest16674-21ps08:20:440
2431299240,8cyclictest16674-21ps08:20:440
2431299240,8cyclictest16674-21ps08:20:440
2431299240,8cyclictest14443-21perl08:15:370
2431299240,8cyclictest0-21swapper/007:29:490
2431299240,8cyclictest0-21swapper/007:29:490
102432240,3sleep20-21swapper/209:22:132
102432240,3sleep20-21swapper/209:22:132
102432240,3sleep20-21swapper/209:22:132
293762230,2sleep20-21swapper/211:20:422
293762230,2sleep20-21swapper/211:20:422
24314992314,6cyclictest18572-21ssh09:36:192
24314992314,6cyclictest18572-21ssh09:36:192
24314992314,6cyclictest18572-21ssh09:36:192
2431499231,19cyclictest3731-21ls07:45:392
2431499231,19cyclictest3731-21ls07:45:392
2431499230,3cyclictest131rcu_preempt12:16:202
2431499230,3cyclictest131rcu_preempt12:16:202
2431399238,9cyclictest21-21ksoftirqd/112:10:371
2431399236,3cyclictest201rcuc/110:09:481
2431399236,3cyclictest201rcuc/110:09:481
2431399236,3cyclictest201rcuc/110:09:481
2431399236,2cyclictest131rcu_preempt08:05:401
2431399236,2cyclictest131rcu_preempt08:05:401
2431399235,3cyclictest131rcu_preempt10:18:421
2431399235,3cyclictest131rcu_preempt10:18:421
2431399234,6cyclictest21-21ksoftirqd/109:12:511
2431399234,6cyclictest21-21ksoftirqd/109:12:511
2431399234,3cyclictest131rcu_preempt07:45:451
2431399234,3cyclictest131rcu_preempt07:45:451
2431399233,6cyclictest21-21ksoftirqd/111:20:401
2431399233,6cyclictest21-21ksoftirqd/111:20:401
2431399233,5cyclictest21-21ksoftirqd/107:15:351
2431399233,5cyclictest21-21ksoftirqd/107:15:351
2431399233,4cyclictest21-21ksoftirqd/110:40:451
2431399233,4cyclictest21-21ksoftirqd/110:40:451
24313992318,4cyclictest201rcuc/109:33:181
24313992318,4cyclictest201rcuc/109:33:181
24313992318,4cyclictest201rcuc/109:33:181
2431399231,18cyclictest29049-21ls08:55:391
2431399231,18cyclictest29049-21ls08:55:391
2431299230,8cyclictest0-21swapper/007:19:530
2431299230,8cyclictest0-21swapper/007:19:530
197952230,2sleep30-21swapper/308:30:383
197952230,2sleep30-21swapper/308:30:383
197952230,2sleep30-21swapper/308:30:383
125512230,4sleep30-21swapper/312:20:433
125512230,4sleep30-21swapper/312:20:433
100212230,3sleep10-21swapper/109:21:481
100212230,3sleep10-21swapper/109:21:481
100212230,3sleep10-21swapper/109:21:481
81622220,8sleep333-21ksoftirqd/312:15:453
81622220,8sleep333-21ksoftirqd/312:15:453
67352220,3sleep20-21swapper/212:14:592
67352220,3sleep20-21swapper/212:14:592
24314992214,6cyclictest10126-21sh10:56:162
24314992214,6cyclictest10126-21sh10:56:162
24314992212,7cyclictest0-21swapper/207:40:432
24314992212,7cyclictest0-21swapper/207:40:432
2431499221,14cyclictest6023-21ls09:15:392
2431499221,14cyclictest6023-21ls09:15:392
2431499221,14cyclictest6023-21ls09:15:392
2431399226,8cyclictest21-21ksoftirqd/109:54:411
2431399226,8cyclictest21-21ksoftirqd/109:54:411
2431399226,8cyclictest21-21ksoftirqd/109:54:411
2431399226,8cyclictest21-21ksoftirqd/109:54:411
2431399226,4cyclictest21-21ksoftirqd/109:36:541
2431399226,4cyclictest21-21ksoftirqd/109:36:541
2431399226,4cyclictest21-21ksoftirqd/109:36:541
2431399226,4cyclictest0-21swapper/108:15:471
2431399225,10cyclictest21-21ksoftirqd/109:46:591
2431399225,10cyclictest21-21ksoftirqd/109:46:591
2431399225,10cyclictest21-21ksoftirqd/109:46:591
2431399224,9cyclictest0-21swapper/110:05:041
2431399224,9cyclictest0-21swapper/110:05:041
2431399224,9cyclictest0-21swapper/110:05:041
2431399223,5cyclictest21-21ksoftirqd/109:20:371
2431399223,5cyclictest21-21ksoftirqd/109:20:371
24313992216,4cyclictest201rcuc/112:07:571
24313992216,4cyclictest201rcuc/112:07:571
24313992216,4cyclictest201rcuc/110:55:521
24313992216,4cyclictest201rcuc/110:55:521
24313992216,4cyclictest201rcuc/108:30:341
2431299220,8cyclictest27012-21tune2fs08:50:370
2431299220,8cyclictest27012-21tune2fs08:50:370
2431299220,8cyclictest27012-21tune2fs08:50:370
2431299220,11cyclictest20342-21mailstats08:30:460
2431299220,11cyclictest20342-21mailstats08:30:460
2431299220,11cyclictest20342-21mailstats08:30:460
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