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2026-06-16 - 21:06
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot4.osadl.org (updated Tue Jun 16, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2027299712,62cyclictest2332-21/usr/sbin/munin08:55:322
2027299643,55cyclictest0-21swapper/211:10:262
2027299623,53cyclictest7457-21threads11:55:262
184122628,16sleep30-21swapper/306:50:153
2025899603,52cyclictest0-21swapper/011:13:270
2027299593,51cyclictest28375-21grep09:30:302
1989825912,17sleep20-21swapper/206:53:352
2028099583,49cyclictest0-21swapper/309:53:423
2028099574,47cyclictest0-21swapper/309:31:323
2028099574,46cyclictest0-21swapper/311:40:393
20272995726,26cyclictest3103-21grep09:40:272
20272995714,37cyclictest7985-21timerandwakeup10:30:272
2025899573,49cyclictest0-21swapper/009:25:010
20258995710,41cyclictest0-21swapper/012:13:290
2028099564,47cyclictest0-21swapper/312:13:193
2028099564,46cyclictest0-21swapper/311:18:403
2028099564,46cyclictest0-21swapper/310:59:403
2028099564,46cyclictest0-21swapper/310:59:403
2028099561,50cyclictest8240-21kworker/3:110:46:053
2027299563,7cyclictest24322-21sendmail_mailqu09:25:272
2028099557,42cyclictest0-21swapper/310:50:383
2028099554,45cyclictest0-21swapper/311:58:193
2025899554,7cyclictest0-21swapper/012:05:260
2028099546,23cyclictest0-21swapper/310:31:053
2028099545,43cyclictest0-21swapper/310:35:113
2028099543,45cyclictest0-21swapper/309:11:233
20272995424,25cyclictest15935-21date11:24:582
20272995421,28cyclictest17302-21cut10:00:132
2027299542,45cyclictest5569-21taskset10:27:482
2026399543,46cyclictest0-21swapper/107:50:291
2025899542,46cyclictest26544-21sed12:20:290
1999425410,15sleep10-21swapper/106:54:431
2028099534,43cyclictest0-21swapper/310:11:323
2028099534,43cyclictest0-21swapper/310:11:323
20272995320,27cyclictest27619-21grep07:10:342
2028099524,42cyclictest0-21swapper/309:59:323
2028099523,43cyclictest0-21swapper/310:25:513
20280995217,29cyclictest5215-21fschecks_time09:00:153
2027299526,40cyclictest18670-21sendmail_mailst12:10:242
2027299523,42cyclictest10580-21ksmtuned07:53:342
20272995216,30cyclictest4842-21wget09:00:112
2025899524,42cyclictest0-21swapper/010:10:020
2025899524,42cyclictest0-21swapper/010:10:020
2025899523,44cyclictest0-21swapper/011:16:270
2025899522,44cyclictest13721-21ssh10:39:010
2028099514,42cyclictest0-21swapper/308:02:293
2028099514,41cyclictest0-21swapper/312:19:193
2028099514,41cyclictest0-21swapper/310:22:113
2028099514,41cyclictest0-21swapper/309:40:003
2028099514,41cyclictest0-21swapper/308:25:123
2028099513,43cyclictest0-21swapper/311:46:393
20280995112,8cyclictest564-21dbus-daemon09:00:003
20280995110,9cyclictest0-21swapper/310:15:103
20272995120,26cyclictest11944-21latency_hist09:10:012
20272995113,33cyclictest26009-21fschecks_count10:55:112
20272995113,33cyclictest26009-21fschecks_count10:55:112
2025899512,43cyclictest24177-21ssh10:10:000
2028099505,39cyclictest0-21swapper/312:08:593
2028099505,39cyclictest0-21swapper/310:02:473
2028099504,8cyclictest0-21swapper/312:00:593
2028099504,41cyclictest0-21swapper/309:27:493
2028099504,40cyclictest0-21swapper/312:20:563
2028099504,40cyclictest0-21swapper/311:36:003
2028099504,40cyclictest0-21swapper/309:20:483
2028099504,40cyclictest0-21swapper/309:09:143
2028099503,41cyclictest0-21swapper/309:16:133
2028099503,41cyclictest0-21swapper/308:12:483
20280995012,32cyclictest0-21swapper/311:54:393
2027299507,37cyclictest723-21taskset11:46:362
2027299507,37cyclictest1859-21open_inodes11:05:242
2027299507,37cyclictest14708-21fschecks_count10:40:132
2027299507,37cyclictest13319-21aten_rbpower_vo09:55:122
2027299503,41cyclictest4161-21awk07:35:252
2027299503,40cyclictest25827-21ps10:10:412
2027299503,40cyclictest25827-21ps10:10:412
2027299502,8cyclictest17417-21grep11:25:302
2027299502,42cyclictest5811-21uname07:40:212
20272995017,28cyclictest26422-21timerwakeupswit12:20:272
20272995017,27cyclictest26874-21cat08:35:312
20272995014,31cyclictest13020-21ntpdc09:10:212
20272995011,34cyclictest8046-21taskset09:47:232
2025899504,10cyclictest0-21swapper/009:44:120
2025899503,23cyclictest0-21swapper/011:45:230
2025899503,14cyclictest0-21swapper/011:30:070
20258995013,31cyclictest28511-21df_inode07:15:160
2028099499,35cyclictest8985-21latency_hist07:50:033
2028099495,38cyclictest0-21swapper/311:10:193
2028099494,40cyclictest0-21swapper/311:01:403
2028099494,39cyclictest0-21swapper/310:05:073
2028099494,39cyclictest0-21swapper/309:39:593
2028099494,39cyclictest0-21swapper/308:41:373
2028099494,39cyclictest0-21swapper/307:05:203
2027299499,34cyclictest3908-21grep11:50:282
2027299498,35cyclictest20632-21latency06:55:092
2027299493,40cyclictest23756-21cpu11:35:092
2027299493,40cyclictest14257-21grep12:05:112
2027299493,39cyclictest29658-21basename11:00:092
2027299493,17cyclictest32663-21ps09:36:392
2027299493,17cyclictest32663-21ps09:36:392
2027299492,6cyclictest30281-21ssh11:43:412
2027299492,17cyclictest20857-21timerwakeupswit09:20:312
20272994918,26cyclictest13114-21ls09:55:002
20272994917,27cyclictest16534-21/usr/sbin/munin08:10:122
20272994915,29cyclictest643-21runrttasks07:48:252
20272994915,29cyclictest32193-21cpu07:25:152
20272994915,29cyclictest32193-21cpu07:25:152
20272994915,29cyclictest12906-21cpu08:00:142
20272994915,28cyclictest9186-21missed_timers11:15:172
20272994915,28cyclictest22458-21hostname10:50:142
20272994915,28cyclictest11264-21cut10:35:192
20272994914,30cyclictest23020-21fschecks_time07:00:162
20272994914,29cyclictest10375-21cut12:00:122
20272994912,31cyclictest15561-21awk08:05:282
2025899496,38cyclictest0-21swapper/011:58:190
2025899495,7cyclictest0-21swapper/011:29:580
2025899495,38cyclictest0-21swapper/010:47:030
20258994940,5cyclictest3-21ksoftirqd/010:34:580
2025899494,40cyclictest0-21swapper/009:36:420
2025899494,40cyclictest0-21swapper/009:36:420
2025899493,41cyclictest0-21swapper/011:03:450
2025899493,16cyclictest0-21swapper/009:25:170
20258994917,27cyclictest15920-21/usr/sbin/munin09:15:140
2028099485,37cyclictest0-21swapper/307:55:283
2028099484,38cyclictest0-21swapper/311:21:573
2028099484,38cyclictest0-21swapper/311:07:203
2028099484,38cyclictest0-21swapper/309:49:023
2028099484,38cyclictest0-21swapper/308:35:283
20280994834,9cyclictest0-21swapper/311:27:503
2028099483,9cyclictest0-21swapper/309:43:023
2028099483,39cyclictest0-21swapper/308:24:593
2027299488,34cyclictest31665-21cpu08:50:132
2027299483,39cyclictest24966-21sed08:30:292
2027299483,39cyclictest20906-21cut10:05:142
2027299483,38cyclictest27990-21fschecks_count08:40:152
2027299482,40cyclictest29221-21find07:15:282
20272994819,24cyclictest11348-21idleruntime07:55:182
20272994815,28cyclictest643-21runrttasks10:19:582
20272994810,31cyclictest781-21diskmemload09:15:022
2025899484,39cyclictest0-21swapper/010:18:210
2025899484,38cyclictest0-21swapper/009:55:050
2025899484,38cyclictest0-21swapper/009:08:110
2025899484,38cyclictest0-21swapper/006:55:090
2025899484,35cyclictest0-21swapper/010:41:350
2025899483,40cyclictest0-21swapper/012:19:020
2025899483,40cyclictest0-21swapper/012:02:290
20258994812,5cyclictest0-21swapper/009:14:130
20258994812,5cyclictest0-21swapper/009:02:060
20258994811,33cyclictest370-21systemd-journal08:46:010
20258994811,33cyclictest370-21systemd-journal08:46:010
2028099476,36cyclictest0-21swapper/310:43:223
2028099474,37cyclictest0-21swapper/308:32:423
2028099474,37cyclictest0-21swapper/307:51:343
2028099473,38cyclictest0-21swapper/308:05:163
2027299479,32cyclictest505-17auditd08:19:282
2027299478,34cyclictest2621-21timerandwakeup07:30:302
2027299478,34cyclictest19088-21open_inodes10:45:232
2027299478,33cyclictest19879-21aten_rbpower_en11:30:072
2026399475,36cyclictest0-21swapper/109:15:371
2026399474,37cyclictest0-21swapper/111:05:261
2025899475,35cyclictest0-21swapper/010:51:050
2025899475,19cyclictest0-21swapper/010:55:480
2025899475,19cyclictest0-21swapper/010:55:480
2025899474,8cyclictest0-21swapper/009:34:220
2025899474,38cyclictest573-21irqbalance10:26:410
2025899474,38cyclictest0-21swapper/010:23:110
2025899474,38cyclictest0-21swapper/009:48:450
2025899474,38cyclictest0-21swapper/007:45:210
2025899474,37cyclictest0-21swapper/011:40:080
2025899474,37cyclictest0-21swapper/011:22:300
20258994711,5cyclictest0-21swapper/009:54:250
2028099464,37cyclictest0-21swapper/311:31:103
2028099464,35cyclictest0-21swapper/306:55:073
2027299469,32cyclictest21914-21idleruntime12:15:122
2027299468,32cyclictest25206-21load07:05:232
2027299466,35cyclictest30088-21if_eth208:45:172
2027299466,35cyclictest30088-21if_eth208:45:172
2027299466,34cyclictest22393-21sort08:25:162
2027299464,6cyclictest0-21swapper/210:23:392
2026399465,34cyclictest0-21swapper/110:15:401
2026399464,37cyclictest0-21swapper/107:00:551
2026399464,36cyclictest0-21swapper/107:10:041
2026399464,10cyclictest0-21swapper/107:26:101
2026399464,10cyclictest0-21swapper/107:26:101
2025899464,37cyclictest0-21swapper/010:00:320
2025899464,37cyclictest0-21swapper/008:35:100
2025899464,37cyclictest0-21swapper/008:05:200
2025899464,37cyclictest0-21swapper/007:45:020
2025899464,16cyclictest0-21swapper/008:58:510
2025899464,10cyclictest0-21swapper/007:10:260
2025899463,5cyclictest0-21swapper/011:05:100
2025899463,38cyclictest0-21swapper/011:37:500
2025899463,38cyclictest0-21swapper/007:25:180
2025899463,38cyclictest0-21swapper/007:25:180
20258994612,5cyclictest0-21swapper/011:50:290
305792453,8sleep10-21swapper/111:44:201
268812453,8sleep10-21swapper/110:13:031
268812453,8sleep10-21swapper/110:13:031
2028099454,36cyclictest0-21swapper/308:45:113
2028099454,36cyclictest0-21swapper/308:45:113
2028099454,36cyclictest0-21swapper/307:03:063
2028099453,37cyclictest0-21swapper/308:15:043
2027299459,32cyclictest20940-21missed_timers08:20:242
2027299453,6cyclictest0-21swapper/207:20:352
2027299453,6cyclictest0-21swapper/207:20:352
2026399454,36cyclictest0-21swapper/107:35:371
2026399454,36cyclictest0-21swapper/107:20:141
2026399454,36cyclictest0-21swapper/107:20:141
2026399454,10cyclictest0-21swapper/107:48:091
2026399454,10cyclictest0-21swapper/107:32:101
2025899454,36cyclictest0-21swapper/007:35:310
2025899454,36cyclictest0-21swapper/007:20:260
2025899454,36cyclictest0-21swapper/007:20:260
2025899454,35cyclictest0-21swapper/008:42:000
2025899453,36cyclictest0-21swapper/007:34:330
2025899453,12cyclictest0-21swapper/008:05:020
2028099443,36cyclictest0-21swapper/307:10:153
2026399448,30cyclictest781-21diskmemload10:55:211
2026399448,30cyclictest781-21diskmemload10:55:211
2025899444,35cyclictest0-21swapper/008:30:110
2025899443,36cyclictest0-21swapper/008:50:090
241492434,8sleep10-21swapper/112:18:171
203292433,9sleep10-21swapper/112:13:101
2026399434,35cyclictest0-21swapper/107:11:031
2026399433,35cyclictest0-21swapper/107:43:571
2025899434,34cyclictest0-21swapper/008:14:350
2025899434,34cyclictest0-21swapper/007:50:340
2025899434,33cyclictest0-21swapper/008:20:030
2025899433,35cyclictest0-21swapper/008:25:110
275212423,8sleep10-21swapper/112:22:271
235762423,7sleep10-21swapper/108:27:261
2025899423,8cyclictest0-21swapper/007:55:490
2025899423,35cyclictest0-21swapper/008:20:230
160292423,8sleep10-21swapper/108:06:381
118522423,8sleep10-21swapper/112:01:101
3192413,8sleep10-21swapper/111:45:571
198162413,8sleep10-21swapper/110:03:491
19702413,7sleep30-21swapper/307:30:183
52202403,8sleep10-21swapper/110:27:041
2026399403,32cyclictest0-21swapper/107:20:041
2026399394,29cyclictest0-21swapper/110:48:091
20263993829,5cyclictest21-21ksoftirqd/108:35:021
20263993812,22cyclictest21-21ksoftirqd/109:59:591
4782373,8sleep10-21swapper/108:52:211
315752373,8sleep10-21swapper/111:01:461
2026399374,28cyclictest0-21swapper/110:23:061
20263993728,5cyclictest21-21ksoftirqd/111:53:281
20263993724,8cyclictest3231-21cat09:40:281
20263993627,5cyclictest21-21ksoftirqd/111:19:261
2025899364,9cyclictest0-21swapper/007:00:090
2026399355,26cyclictest0-21swapper/110:38:431
20263993526,5cyclictest21-21ksoftirqd/111:35:231
20263993525,6cyclictest21-21ksoftirqd/109:06:111
20263993525,6cyclictest21-21ksoftirqd/109:05:001
148612353,28sleep10-21swapper/109:13:181
20280993422,8cyclictest857-21sed07:25:333
20280993422,8cyclictest857-21sed07:25:333
2026399344,26cyclictest0-21swapper/109:24:111
2026399344,25cyclictest0-21swapper/110:50:371
20263993425,5cyclictest21-21ksoftirqd/111:21:361
20263993423,7cyclictest21-21ksoftirqd/111:55:091
153372343,8sleep10-21swapper/112:05:331
20280993316,12cyclictest5301-21/usr/sbin/munin07:40:283
2026399334,25cyclictest0-21swapper/110:06:571
2026399334,25cyclictest0-21swapper/107:58:291
2026399333,16cyclictest211922smart_sda08:20:301
20263993324,5cyclictest21-21ksoftirqd/110:41:411
20263993321,7cyclictest9610-21cut09:50:121
20263993321,7cyclictest19559-21sed08:15:321
20263993316,13cyclictest18457-21sh11:27:371
2028099324,23cyclictest0-21swapper/307:38:063
20280993221,6cyclictest31411-21sed07:20:343
20280993221,6cyclictest31411-21sed07:20:343
2026399324,24cyclictest0-21swapper/111:30:391
2026399324,23cyclictest0-21swapper/109:26:031
2026399324,23cyclictest0-21swapper/108:01:161
20263993223,5cyclictest21-21ksoftirqd/111:14:481
20263993223,5cyclictest21-21ksoftirqd/108:55:271
20263993222,6cyclictest21-21ksoftirqd/109:30:151
20263993220,7cyclictest28825-21ls08:40:301
20263993220,7cyclictest16889-21grep08:10:161
1981823210,16sleep00-21swapper/006:52:370
2028099313,24cyclictest0-21swapper/307:17:233
2026399314,22cyclictest0-21swapper/109:45:361
20263993123,5cyclictest21-21ksoftirqd/108:35:021
20263993121,6cyclictest21-21ksoftirqd/109:35:131
20263993121,6cyclictest21-21ksoftirqd/109:35:131
2026399312,15cyclictest95252sh10:33:101
20263993019,7cyclictest30553-21grep08:45:281
20263993019,7cyclictest30553-21grep08:45:281
20280992919,5cyclictest32688-21unixbench_multi08:50:323
2026399294,21cyclictest0-21swapper/106:55:061
2025899294,21cyclictest0-21swapper/007:08:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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