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2026-08-21 - 14:15
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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 the highest latencies:
System rack5slot4.osadl.org (updated Fri Aug 21, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3123216896,6sleep30-21swapper/307:05:483
3303212361,7sleep10-21swapper/107:08:071
34112119110,6sleep20-21swapper/207:09:282
31922114104,7sleep00-21swapper/007:06:420
113042650,1sleep30-21swapper/307:15:013
45062620,1sleep24502-21ssh12:20:002
139602610,0sleep00-21swapper/012:10:090
133422610,0sleep10-21swapper/111:27:161
212702580,0sleep00-21swapper/011:03:280
317942560,1sleep30-21swapper/311:20:293
309682560,0sleep20-21swapper/210:54:002
320432550,0sleep30-21swapper/312:03:393
94722540,0sleep00-21swapper/011:40:170
58412530,0sleep20-21swapper/209:34:422
105842520,0sleep20-21swapper/211:12:112
2274424743,3sleep30-21swapper/307:21:403
2187724744,2sleep30-21swapper/308:45:373
291832440,1sleep30-21swapper/310:25:163
3627994213,4cyclictest0-21swapper/108:30:121
499623734,2sleep30-21swapper/308:30:523
526923428,3sleep30-21swapper/309:34:163
907123228,3sleep30-21swapper/308:07:363
362799310,29cyclictest0-21swapper/111:11:401
1655623128,2sleep30-21swapper/308:44:283
1311223125,3sleep30-21swapper/307:40:413
362799305,3cyclictest0-21swapper/111:06:141
362799300,29cyclictest0-21swapper/110:44:391
362799300,23cyclictest0-21swapper/111:30:271
362799300,21cyclictest0-21swapper/110:00:161
362799290,4cyclictest0-21swapper/111:01:061
362799290,27cyclictest0-21swapper/111:44:301
362799290,23cyclictest0-21swapper/110:56:031
2909922923,3sleep30-21swapper/309:56:593
362799289,18cyclictest0-21swapper/110:35:281
362799281,21cyclictest0-21swapper/112:14:591
362799280,3cyclictest0-21swapper/111:36:481
362799280,27cyclictest0-21swapper/108:16:581
362799280,26cyclictest0-21swapper/109:33:351
362799280,22cyclictest0-21swapper/109:17:351
362799280,21cyclictest0-21swapper/112:05:251
362799280,17cyclictest0-21swapper/112:23:201
362799280,16cyclictest0-21swapper/109:51:241
362799280,16cyclictest0-21swapper/109:36:451
958022721,3sleep30-21swapper/311:11:253
362999270,26cyclictest0-21swapper/211:23:552
362999270,26cyclictest0-21swapper/210:24:332
362999270,26cyclictest0-21swapper/208:30:252
3627992721,5cyclictest0-21swapper/111:21:251
362799270,3cyclictest0-21swapper/110:52:271
362799270,26cyclictest0-21swapper/112:33:511
362799270,26cyclictest0-21swapper/112:33:501
362799270,22cyclictest0-21swapper/108:41:441
362799270,21cyclictest0-21swapper/111:51:441
362799270,21cyclictest0-21swapper/111:46:041
362799270,20cyclictest0-21swapper/110:24:231
362799270,1cyclictest0-21swapper/112:28:011
362799270,15cyclictest0-21swapper/110:29:251
723222621,3sleep30-21swapper/307:35:563
653722622,2sleep30-21swapper/309:03:113
362999260,25cyclictest0-21swapper/212:34:442
362999260,25cyclictest0-21swapper/212:34:442
362999260,25cyclictest0-21swapper/209:40:262
362799260,25cyclictest0-21swapper/110:15:011
362799260,25cyclictest0-21swapper/109:01:221
362799260,24cyclictest0-21swapper/112:35:081
362799260,15cyclictest0-21swapper/110:33:181
362299260,25cyclictest0-21swapper/012:30:260
362299260,25cyclictest0-21swapper/012:30:260
342322622,3sleep30-21swapper/308:02:153
3185022622,3sleep30-21swapper/308:26:263
362999251,23cyclictest0-21swapper/208:49:502
362999250,24cyclictest0-21swapper/211:32:492
362999250,24cyclictest0-21swapper/210:28:052
362999250,24cyclictest0-21swapper/208:39:582
362799251,17cyclictest17085-21sort09:25:191
362799251,17cyclictest17085-21sort09:25:181
362799250,24cyclictest0-21swapper/110:46:261
362799250,24cyclictest0-21swapper/110:05:041
362799250,24cyclictest0-21swapper/109:49:131
362799250,24cyclictest0-21swapper/107:48:091
362799250,19cyclictest0-21swapper/108:45:461
362799250,14cyclictest0-21swapper/111:59:561
362799250,14cyclictest0-21swapper/109:55:431
362299250,24cyclictest0-21swapper/010:47:450
362999240,22cyclictest15596-21ssh11:15:152
362799241,8cyclictest283-21systemd-journal07:15:001
362799240,23cyclictest0-21swapper/112:16:381
362799240,23cyclictest0-21swapper/111:15:251
362799240,23cyclictest0-21swapper/110:11:361
362799240,23cyclictest0-21swapper/109:11:361
362799240,17cyclictest0-21swapper/109:44:001
362799240,15cyclictest0-21swapper/112:03:091
362799240,12cyclictest0-21swapper/109:20:061
3622992416,7cyclictest0-21swapper/011:26:000
3622992415,8cyclictest0-21swapper/010:29:270
362299240,23cyclictest0-21swapper/012:23:280
362299240,23cyclictest0-21swapper/012:03:310
362299240,23cyclictest0-21swapper/009:50:360
362299240,23cyclictest0-21swapper/009:49:170
362299240,18cyclictest0-21swapper/009:17:260
1510422421,2sleep30-21swapper/308:13:343
3629992316,6cyclictest0-21swapper/209:14:012
362999231,3cyclictest0-21swapper/208:01:332
362999230,22cyclictest0-21swapper/211:50:592
362999230,22cyclictest0-21swapper/209:50:422
362999230,17cyclictest0-21swapper/207:38:152
362799231,15cyclictest0-21swapper/108:27:221
362299232,20cyclictest0-21swapper/011:17:190
3622992316,7cyclictest0-21swapper/011:57:070
362299231,20cyclictest3660-21apt08:04:590
362299230,22cyclictest0-21swapper/012:36:580
362299230,22cyclictest0-21swapper/012:07:170
362299230,22cyclictest0-21swapper/011:48:270
362299230,22cyclictest0-21swapper/011:39:580
362299230,22cyclictest0-21swapper/011:24:590
362299230,22cyclictest0-21swapper/010:03:010
362299230,17cyclictest0-21swapper/011:05:050
362299230,17cyclictest0-21swapper/010:11:090
2453722318,3sleep30-21swapper/307:51:543
2324622318,2sleep30-21swapper/309:27:113
2324622318,2sleep30-21swapper/309:27:103
1193922318,3sleep30-21swapper/311:26:113
362999221,15cyclictest0-21swapper/210:46:542
3629992211,3cyclictest0-21swapper/211:08:342
362999220,4cyclictest0-21swapper/211:26:502
362999220,21cyclictest0-21swapper/212:08:592
362999220,21cyclictest0-21swapper/211:45:062
362999220,21cyclictest0-21swapper/210:15:552
362999220,21cyclictest0-21swapper/210:14:002
362999220,21cyclictest0-21swapper/209:45:342
362999220,20cyclictest0-21swapper/210:40:272
362999220,20cyclictest0-21swapper/210:35:222
362999220,16cyclictest0-21swapper/210:55:392
362999220,15cyclictest0-21swapper/212:10:042
362799220,21cyclictest0-21swapper/109:08:231
362799220,21cyclictest0-21swapper/108:53:281
362799220,21cyclictest0-21swapper/107:28:301
362799220,21cyclictest0-21swapper/107:24:191
362799220,17cyclictest0-21swapper/108:55:061
362799220,16cyclictest0-21swapper/108:06:431
362799220,16cyclictest0-21swapper/107:55:061
362299227,14cyclictest0-21swapper/012:16:580
3622992215,6cyclictest0-21swapper/009:11:160
362299220,3cyclictest0-21swapper/009:31:320
362299220,21cyclictest0-21swapper/011:54:010
362299220,21cyclictest0-21swapper/010:56:330
362299220,21cyclictest0-21swapper/010:32:330
362299220,21cyclictest0-21swapper/010:15:340
362299220,21cyclictest0-21swapper/010:05:440
362299220,21cyclictest0-21swapper/009:44:500
362299220,21cyclictest0-21swapper/009:35:080
362299220,21cyclictest0-21swapper/009:25:370
362299220,21cyclictest0-21swapper/009:25:360
362299220,21cyclictest0-21swapper/009:23:440
362299220,21cyclictest0-21swapper/008:18:310
362299220,21cyclictest0-21swapper/007:35:160
362299220,21cyclictest0-21swapper/007:18:450
362299220,16cyclictest0-21swapper/010:52:170
1594122216,3sleep30-21swapper/312:38:053
52912210,0sleep20-21swapper/212:20:122
362999216,9cyclictest0-21swapper/212:28:212
3629992118,2cyclictest755-21snmpd08:40:192
3629992117,3cyclictest0-21swapper/209:20:162
362999211,2cyclictest24796-21awk07:54:592
362999210,3cyclictest0-21swapper/209:26:432
362999210,3cyclictest0-21swapper/209:26:422
362999210,20cyclictest0-21swapper/211:55:072
362999210,20cyclictest0-21swapper/210:04:412
362999210,20cyclictest0-21swapper/209:03:102
362999210,20cyclictest0-21swapper/208:14:542
362999210,20cyclictest0-21swapper/207:57:402
362999210,1cyclictest0-21swapper/211:40:562
362999210,18cyclictest0-21swapper/212:37:102
362999210,16cyclictest0-21swapper/209:56:472
362999210,15cyclictest0-21swapper/211:35:342
3627992117,3cyclictest0-21swapper/108:35:421
3627992117,3cyclictest0-21swapper/107:43:281
362799210,20cyclictest0-21swapper/107:17:211
3622992113,7cyclictest0-21swapper/009:56:590
362299210,20cyclictest0-21swapper/012:27:250
362299210,20cyclictest0-21swapper/011:11:240
362299210,20cyclictest0-21swapper/010:40:550
362299210,15cyclictest0-21swapper/010:38:030
1220422116,3sleep30-21swapper/309:08:313
650622014,3sleep30-21swapper/311:51:543
362999202,17cyclictest0-21swapper/210:06:102
3629992018,1cyclictest755-21snmpd10:31:542
3629992018,1cyclictest755-21snmpd08:51:042
3629992018,1cyclictest755-21snmpd08:22:192
3629992018,1cyclictest755-21snmpd08:18:362
3629992018,1cyclictest755-21snmpd07:48:002
3629992018,1cyclictest755-21snmpd07:34:402
3629992018,1cyclictest755-21snmpd07:16:482
3629992016,3cyclictest0-21swapper/208:09:522
3629992014,6cyclictest0-21swapper/212:03:522
362999200,19cyclictest0-21swapper/211:00:582
362999200,19cyclictest0-21swapper/209:35:442
362999200,14cyclictest0-21swapper/209:15:372
3627992017,2cyclictest755-21snmpd08:10:511
3627992016,3cyclictest0-21swapper/108:23:421
362799200,14cyclictest0-21swapper/107:37:151
3622992018,1cyclictest755-21snmpd10:20:420
3622992018,1cyclictest755-21snmpd09:05:140
3622992018,1cyclictest755-21snmpd08:26:310
3622992018,1cyclictest755-21snmpd07:20:120
2849122015,3sleep30-21swapper/307:27:393
154462208,3sleep30-21swapper/309:37:593
894821914,3sleep30-21swapper/307:12:103
3629991917,1cyclictest755-21snmpd07:43:362
3629991917,1cyclictest755-21snmpd07:12:522
362999190,14cyclictest0-21swapper/207:25:422
3627991915,3cyclictest0-21swapper/108:04:391
3622991917,1cyclictest755-21snmpd11:33:220
3622991917,1cyclictest755-21snmpd09:03:370
3622991917,1cyclictest755-21snmpd08:55:140
3622991917,1cyclictest755-21snmpd08:22:000
3622991917,1cyclictest755-21snmpd07:55:450
3622991917,1cyclictest755-21snmpd07:41:160
3622991915,2cyclictest1923-21sadc07:34:590
3201921914,2sleep30-21swapper/309:17:043
289421913,3sleep30-21swapper/310:14:333
3629991816,1cyclictest755-21snmpd08:55:352
3629991816,1cyclictest755-21snmpd07:21:132
3627991815,3cyclictest0-21swapper/107:50:361
3622991816,1cyclictest755-21snmpd08:32:330
3622991816,1cyclictest755-21snmpd08:11:000
3622991816,1cyclictest755-21snmpd08:08:370
3622991816,1cyclictest755-21snmpd07:46:300
3622991816,1cyclictest755-21snmpd07:27:210
3027821815,2sleep30-21swapper/307:58:163
219662180,0sleep321967-21sh10:21:093
100121814,3sleep30-21swapper/308:59:553
362999170,16cyclictest27723-21kworker/u8:109:05:112
3622991715,1cyclictest755-21snmpd08:51:470
3622991715,1cyclictest755-21snmpd07:12:070
362299170,11cyclictest0-21swapper/008:45:160
2626721713,3sleep30-21swapper/308:21:473
188721714,2sleep30-21swapper/307:34:443
1088821714,2sleep30-21swapper/308:39:093
1080121711,3sleep30-21swapper/312:08:053
1038421711,3sleep30-21swapper/310:03:273
362999161,14cyclictest0-21swapper/208:25:002
362799160,15cyclictest0-21swapper/107:30:111
3622991614,1cyclictest755-21snmpd08:35:120
362299160,15cyclictest0-21swapper/008:40:140
36442159,3sleep30-21swapper/312:19:223
362299153,9cyclictest0-21swapper/007:52:180
317652159,3sleep30-21swapper/310:54:383
2840021511,2sleep30-21swapper/310:39:043
2054221510,2sleep30-21swapper/311:58:473
47252149,2sleep30-21swapper/312:33:203
47252149,2sleep30-21swapper/312:33:203
2758621410,3sleep30-21swapper/308:51:533
1900321410,3sleep30-21swapper/307:48:193
175052148,3sleep30-21swapper/310:34:443
140242142,3sleep30-21swapper/312:23:233
70062130,0sleep30-21swapper/309:48:043
207172139,3sleep30-21swapper/308:18:093
193252139,2sleep30-21swapper/309:11:203
158772138,2sleep30-21swapper/309:50:503
102862131,3sleep30-21swapper/309:21:143
277312121,4sleep30-21swapper/311:47:303
238672126,3sleep30-21swapper/310:09:483
223462126,3sleep30-21swapper/312:25:473
204952126,3sleep30-21swapper/311:15:493
196132126,3sleep30-21swapper/310:49:183
112382120,4sleep30-21swapper/310:59:473
22322115,3sleep30-21swapper/311:09:493
198842110,3sleep30-21swapper/312:10:493
155712113,4sleep30-21swapper/311:42:053
112192110,8sleep30-21swapper/310:16:533
277712103,4sleep30-21swapper/309:43:253
258102104,3sleep30-21swapper/311:32:563
4423293,3sleep30-21swapper/310:41:333
23044292,4sleep30-21swapper/311:04:523
2291292,4sleep30-21swapper/311:35:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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