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2026-09-17 - 10:19
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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: ondemand
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot4.osadl.org (updated Thu Sep 17, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23648210796,7sleep00-21swapper/019:05:150
28207210696,7sleep20-21swapper/219:05:422
28410210595,7sleep10-21swapper/119:08:201
2849429888,7sleep30-21swapper/319:09:273
272692690,0sleep00-21swapper/000:20:000
3272680,0sleep30-21swapper/300:07:093
200952640,0sleep10-21swapper/100:01:181
127612630,0sleep312764-21gltestperf22:50:143
55562580,0sleep10-21swapper/121:23:561
320132580,0sleep232019-21kthreadcore23:25:182
255362580,1sleep30-21swapper/323:35:413
71442570,1sleep120-21rcuc/121:25:001
111212560,0sleep20-21swapper/220:15:212
225892550,0sleep00-21swapper/022:11:460
249252540,1sleep20-21swapper/200:05:002
116092540,0sleep00-21swapper/023:30:170
260212530,0sleep026026-21kthreadcore22:00:160
226912520,0sleep30-21swapper/321:59:083
2870199340,32cyclictest0-21swapper/221:00:112
2870199292,4cyclictest29-21rcuc/221:10:012
2869899270,26cyclictest0-21swapper/123:34:451
2869899270,26cyclictest0-21swapper/122:36:261
2869899270,26cyclictest0-21swapper/121:59:171
2869899270,26cyclictest0-21swapper/120:57:121
2869899270,26cyclictest0-21swapper/120:19:241
2869899270,26cyclictest0-21swapper/120:03:551
2869899270,26cyclictest0-21swapper/100:39:061
2869899260,25cyclictest0-21swapper/122:54:411
2869899260,25cyclictest0-21swapper/100:06:341
28701992517,6cyclictest0-21swapper/221:49:422
2870199250,24cyclictest0-21swapper/220:22:062
2870199250,24cyclictest0-21swapper/219:49:392
28698992512,8cyclictest0-21swapper/122:25:111
2869899250,24cyclictest0-21swapper/122:40:321
2869899250,24cyclictest0-21swapper/122:12:401
2870199242,21cyclictest0-21swapper/200:23:052
28701992418,5cyclictest11302-21/usr/sbin/munin19:50:242
28698992422,2cyclictest0-21swapper/120:21:361
28698992422,2cyclictest0-21swapper/100:26:551
2869899240,23cyclictest0-21swapper/100:21:571
2869899240,18cyclictest0-21swapper/122:04:131
2869899240,18cyclictest0-21swapper/100:18:091
2869499240,23cyclictest0-21swapper/023:58:550
2869499240,23cyclictest0-21swapper/022:05:260
2869499240,23cyclictest0-21swapper/000:38:070
2870199230,3cyclictest0-21swapper/200:10:102
2870199230,23cyclictest0-21swapper/219:32:182
2870199230,22cyclictest0-21swapper/223:51:282
2870199230,22cyclictest0-21swapper/223:49:152
2870199230,22cyclictest0-21swapper/223:19:392
2870199230,18cyclictest0-21swapper/221:31:422
2870199230,17cyclictest0-21swapper/221:19:262
2870199230,17cyclictest0-21swapper/200:07:272
2870199230,16cyclictest0-21swapper/221:42:222
2869899232,20cyclictest0-21swapper/123:50:351
2869899232,20cyclictest0-21swapper/121:32:301
28698992321,2cyclictest0-21swapper/120:12:191
28698992316,6cyclictest0-21swapper/122:30:081
28698992315,7cyclictest0-21swapper/123:28:341
2869899230,22cyclictest0-21swapper/123:55:571
2869899230,22cyclictest0-21swapper/123:48:391
2869899230,22cyclictest0-21swapper/123:08:421
2869899230,22cyclictest0-21swapper/123:00:421
2869899230,22cyclictest0-21swapper/122:22:061
2869899230,22cyclictest0-21swapper/121:37:211
2869899230,22cyclictest0-21swapper/121:05:171
2869899230,22cyclictest0-21swapper/119:37:061
2869899230,22cyclictest0-21swapper/100:34:361
2869899230,17cyclictest0-21swapper/123:12:021
2869899230,17cyclictest0-21swapper/122:08:491
2869899230,17cyclictest0-21swapper/121:44:531
2869899230,17cyclictest0-21swapper/100:13:231
2869499230,22cyclictest0-21swapper/023:48:010
2869499230,22cyclictest0-21swapper/023:27:130
2869499230,22cyclictest0-21swapper/023:24:510
2869499230,22cyclictest0-21swapper/023:09:200
2869499230,22cyclictest0-21swapper/022:51:470
2869499230,22cyclictest0-21swapper/022:29:010
2869499230,22cyclictest0-21swapper/021:31:550
2869499230,22cyclictest0-21swapper/021:23:040
2869499230,22cyclictest0-21swapper/021:14:530
2869499230,22cyclictest0-21swapper/000:30:340
2869499230,22cyclictest0-21swapper/000:27:160
2869499230,21cyclictest0-21swapper/000:03:520
2869499230,18cyclictest0-21swapper/000:20:480
2869499230,16cyclictest0-21swapper/022:20:320
307322220,0sleep20-21swapper/221:20:172
2870199227,10cyclictest0-21swapper/200:25:112
2870199222,19cyclictest0-21swapper/223:38:392
2870199222,19cyclictest0-21swapper/223:03:432
2870199222,19cyclictest0-21swapper/222:11:542
28701992215,6cyclictest0-21swapper/223:09:002
2870199221,20cyclictest0-21swapper/222:43:282
2870199221,20cyclictest0-21swapper/200:17:492
2870199220,21cyclictest0-21swapper/223:11:092
2870199220,21cyclictest0-21swapper/222:38:502
2870199220,21cyclictest0-21swapper/222:06:032
2870199220,21cyclictest0-21swapper/221:57:352
2870199220,21cyclictest0-21swapper/221:37:372
2870199220,21cyclictest0-21swapper/221:26:022
2870199220,20cyclictest0-21swapper/222:33:072
2870199220,20cyclictest0-21swapper/221:50:572
2869899222,19cyclictest0-21swapper/121:45:351
28698992214,7cyclictest0-21swapper/121:50:001
2869899220,21cyclictest0-21swapper/123:40:231
2869899220,21cyclictest0-21swapper/123:35:401
2869899220,21cyclictest0-21swapper/123:20:311
2869899220,21cyclictest0-21swapper/122:45:021
2869899220,21cyclictest0-21swapper/121:11:091
2869899220,21cyclictest0-21swapper/120:40:391
2869899220,21cyclictest0-21swapper/120:30:361
2869899220,21cyclictest0-21swapper/119:27:411
2869499227,14cyclictest0-21swapper/021:29:380
2869499225,16cyclictest0-21swapper/021:50:110
2869499222,19cyclictest0-21swapper/023:36:310
2869499222,19cyclictest0-21swapper/022:42:470
2869499221,19cyclictest0-21swapper/023:50:140
2869499220,2cyclictest273-21systemd-journal19:25:000
2869499220,21cyclictest0-21swapper/023:43:120
2869499220,21cyclictest0-21swapper/023:16:290
2869499220,21cyclictest0-21swapper/022:36:320
2869499220,21cyclictest0-21swapper/022:30:380
2869499220,21cyclictest0-21swapper/021:47:150
2869499220,21cyclictest0-21swapper/021:39:520
2869499220,21cyclictest0-21swapper/021:18:260
2869499220,21cyclictest0-21swapper/000:08:390
2869499220,16cyclictest0-21swapper/021:56:200
28701992112,8cyclictest0-21swapper/222:26:292
2870199210,3cyclictest0-21swapper/220:55:122
2870199210,2cyclictest0-21swapper/220:36:482
2870199210,20cyclictest0-21swapper/223:57:472
2870199210,20cyclictest0-21swapper/223:30:282
2870199210,20cyclictest0-21swapper/222:55:512
2870199210,20cyclictest0-21swapper/222:48:582
2870199210,20cyclictest0-21swapper/222:20:552
2870199210,20cyclictest0-21swapper/222:15:332
2870199210,20cyclictest0-21swapper/221:10:252
2869899216,14cyclictest0-21swapper/120:05:171
2869899210,3cyclictest0-21swapper/121:16:371
2869899210,3cyclictest0-21swapper/119:47:451
2869899210,3cyclictest0-21swapper/119:44:141
2869899210,2cyclictest0-21swapper/120:39:491
2869899210,20cyclictest0-21swapper/123:19:061
2869899210,20cyclictest0-21swapper/122:58:201
2869899210,20cyclictest0-21swapper/121:02:461
2869899210,20cyclictest0-21swapper/120:46:511
2869899210,20cyclictest0-21swapper/120:27:011
2869899210,20cyclictest0-21swapper/119:54:201
2869899210,20cyclictest0-21swapper/119:24:121
2869899210,15cyclictest0-21swapper/122:16:191
28694992118,2cyclictest762-21snmpd20:27:330
28694992117,2cyclictest762-21snmpd20:58:210
2869499211,19cyclictest0-21swapper/023:00:030
2869499210,20cyclictest0-21swapper/023:13:430
2869499210,20cyclictest0-21swapper/022:19:130
2869499210,20cyclictest0-21swapper/021:05:120
2869499210,20cyclictest0-21swapper/020:50:140
2869499210,15cyclictest0-21swapper/022:47:220
2870199204,14cyclictest0-21swapper/219:15:222
28701992018,1cyclictest762-21snmpd20:52:522
28701992018,1cyclictest762-21snmpd20:41:552
28701992018,1cyclictest762-21snmpd19:37:302
28701992018,1cyclictest762-21snmpd19:13:212
28701992012,7cyclictest0-21swapper/222:00:242
2870199200,19cyclictest0-21swapper/222:51:092
2870199200,19cyclictest0-21swapper/200:37:292
2870199200,19cyclictest0-21swapper/200:32:482
2869899200,20cyclictest0-21swapper/119:13:571
2869899200,19cyclictest0-21swapper/119:34:541
2869899200,14cyclictest0-21swapper/120:54:441
2869499205,13cyclictest0-21swapper/021:40:160
28694992018,1cyclictest762-21snmpd20:15:450
28694992018,1cyclictest762-21snmpd00:12:130
28694992017,3cyclictest0-21swapper/019:43:030
28694992017,2cyclictest762-21snmpd19:57:460
28694992017,2cyclictest762-21snmpd19:36:410
28694992016,2cyclictest762-21snmpd19:11:360
28694992016,2cyclictest31195-21latency_hist21:05:010
2869499200,19cyclictest0-21swapper/022:57:310
28701991917,1cyclictest762-21snmpd20:25:402
28701991917,1cyclictest762-21snmpd20:14:192
28701991917,1cyclictest762-21snmpd20:04:372
28701991917,1cyclictest762-21snmpd19:58:212
28701991917,1cyclictest762-21snmpd19:40:472
2870199190,2cyclictest0-21swapper/223:21:152
2870199190,18cyclictest0-21swapper/220:33:542
2870199190,18cyclictest0-21swapper/220:05:102
2870199190,18cyclictest0-21swapper/219:20:242
2870199190,17cyclictest0-21swapper/219:25:092
28694991917,1cyclictest762-21snmpd20:38:010
28701991817,1cyclictest0-21swapper/220:45:122
28701991810,7cyclictest0-21swapper/223:40:392
28698991816,2cyclictest0-21swapper/119:56:191
28698991816,2cyclictest0-21swapper/119:18:471
2869499183,13cyclictest5688-21/usr/sbin/munin19:45:130
28694991816,1cyclictest762-21snmpd20:08:150
28694991816,1cyclictest762-21snmpd19:54:050
28694991816,1cyclictest762-21snmpd19:26:200
28694991815,2cyclictest762-21snmpd20:11:340
2869499180,17cyclictest0-21swapper/020:30:180
2869499172,14cyclictest0-21swapper/020:46:530
28694991715,1cyclictest762-21snmpd20:41:570
28694991715,1cyclictest762-21snmpd19:34:300
2869499171,14cyclictest0-21swapper/020:23:360
28694991614,1cyclictest762-21snmpd19:17:200
2869499150,14cyclictest0-21swapper/020:00:490
218852151,4sleep30-21swapper/323:49:483
97712130,3sleep30-21swapper/322:05:493
262432120,3sleep30-21swapper/319:30:253
132152120,3sleep30-21swapper/300:26:043
108132120,3sleep30-21swapper/322:49:443
9152111,2sleep30-21swapper/321:50:113
57562110,6sleep35775-21ssh22:19:553
148222111,6sleep30-21swapper/320:50:153
134442110,2sleep34210-21diskmemload00:13:233
12332110,3sleep30-21swapper/322:59:053
81192100,2sleep30-21swapper/323:43:193
304402100,2sleep30-21swapper/323:52:203
27242100,5sleep30-21swapper/322:04:293
263372104,3sleep30-21swapper/300:32:223
23302100,2sleep30-21swapper/321:21:283
230342102,4sleep30-21swapper/300:16:483
209742100,3sleep30-21swapper/319:29:543
31504290,3sleep331590-21wc19:35:233
30218290,1sleep30-21swapper/321:34:583
27580290,2sleep30-21swapper/322:41:303
24355290,2sleep30-21swapper/321:17:303
16163292,4sleep30-21swapper/323:19:273
9118280,4sleep30-21swapper/323:01:093
9041281,4sleep30-21swapper/323:56:533
5641282,3sleep30-21swapper/323:28:213
5588281,4sleep30-21swapper/300:37:263
4366281,4sleep30-21swapper/322:31:373
4273282,3sleep30-21swapper/321:35:533
28053282,3sleep30-21swapper/323:24:363
27864282,3sleep30-21swapper/321:46:023
21300282,3sleep30-21swapper/322:10:473
20967281,4sleep30-21swapper/300:02:003
15023280,2sleep30-21swapper/319:20:493
14454282,3sleep30-21swapper/323:31:093
12978282,3sleep30-21swapper/321:25:393
719272,3sleep30-21swapper/323:11:463
28051270,3sleep30-21swapper/320:01:383
24956272,3sleep30-21swapper/322:26:283
23680271,2sleep30-21swapper/320:25:253
17423272,3sleep30-21swapper/321:42:023
1389271,3sleep30-21swapper/300:20:563
12040271,3sleep30-21swapper/322:20:433
11301271,3sleep30-21swapper/319:50:123
10403271,3sleep30-21swapper/321:10:453
10211270,4sleep30-21swapper/322:35:173
759260,3sleep30-21swapper/319:10:193
5325260,3sleep30-21swapper/319:43:273
3951262,3sleep30-21swapper/321:06:543
3154262,3sleep30-21swapper/320:40:023
29713261,2sleep30-21swapper/320:35:013
29323261,2sleep30-21swapper/320:30:253
19878260,3sleep30-21swapper/323:05:293
18193260,3sleep30-21swapper/320:21:553
18193260,3sleep30-21swapper/319:55:163
12704261,3sleep30-21swapper/320:18:483
10797261,3sleep30-21swapper/319:46:363
9084250,2sleep39208-21/usr/sbin/munin20:45:143
6408250,1sleep30-21swapper/320:10:223
4703250,3sleep30-21swapper/319:15:163
30803250,3sleep30-21swapper/320:05:173
30716251,4sleep30-21swapper/321:01:243
25232252,2sleep30-21swapper/320:58:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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