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2026-06-19 - 15:52
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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 highest latencies:
System rackbslot6.osadl.org (updated Fri Jun 19, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2177221790,5sleep01204899cyclictest12:49:510
2813821690,5sleep11205299cyclictest11:16:541
2813821690,5sleep11205299cyclictest11:16:541
1415021660,3sleep31206399cyclictest14:20:083
3160521640,4sleep21205999cyclictest11:20:042
106891960,4ptp4l401ktimersoftd/308:51:423
117962750,1sleep10-21swapper/114:19:131
324202720,1sleep10-21swapper/113:33:481
132752710,5sleep31206399cyclictest12:07:433
116992704,10sleep00-21swapper/008:51:270
169212660,5sleep01204899cyclictest11:05:040
12048996312,17cyclictest10594-21timedrift13:10:090
295542620,2sleep30-21swapper/312:24:533
147802620,4sleep1241ktimersoftd/113:48:461
12048996211,18cyclictest5573-21snmp_o5powerctl13:05:050
22972610,2sleep20-21swapper/214:09:352
12048996010,17cyclictest5186-21diskmemload14:08:330
12048995712,13cyclictest6065-21ssh12:33:550
12048995711,17cyclictest12471-21acpi08:54:490
12063995522,8cyclictest41-21ksoftirqd/313:40:033
1204899558,16cyclictest10079-21cpuspeed_turbos12:04:550
12048995511,11cyclictest884-21ssh11:22:230
12048995510,9cyclictest25603-21/usr/sbin/munin11:14:550
12048995510,9cyclictest25603-21/usr/sbin/munin11:14:550
12063995423,7cyclictest41-21ksoftirqd/311:49:403
1204899549,16cyclictest5186-21diskmemload12:13:010
1204899549,16cyclictest5186-21diskmemload11:46:090
1204899549,15cyclictest28280-21ssh11:49:570
1204899549,15cyclictest15756-21apt-get13:49:570
12048995411,9cyclictest4072-21/usr/sbin/munin11:25:010
12048995410,16cyclictest13874-21latency_hist10:04:380
12048995410,11cyclictest10037-21ssh13:44:010
12048995310,9cyclictest18795-21/usr/sbin/munin12:45:110
12048995310,17cyclictest5439-21latency_hist13:39:430
12048995310,10cyclictest20013-21latency_hist09:09:360
12063995224,4cyclictest41-21ksoftirqd/312:14:413
12063995222,5cyclictest41-21ksoftirqd/313:39:433
12063995220,10cyclictest41-21ksoftirqd/313:14:423
1204899529,9cyclictest14743-21munin-node08:59:380
1204899529,14cyclictest14651-21ssh13:48:330
1204899529,11cyclictest18753-21apt-get13:19:540
1204899529,10cyclictest5186-21diskmemload12:14:550
12048995212,18cyclictest13089-21grep11:34:560
12048995210,8cyclictest25454-21vmstat13:25:110
12048995210,8cyclictest10527-21apt-get10:59:510
12048995210,12cyclictest5186-21diskmemload13:58:130
12048995210,11cyclictest5186-21diskmemload12:55:020
12048995210,11cyclictest22380-21latency_hist09:14:360
12063995136,8cyclictest41-21ksoftirqd/309:04:483
12063995120,9cyclictest41-21ksoftirqd/311:24:403
12063995120,7cyclictest41-21ksoftirqd/309:30:073
12063995120,7cyclictest41-21ksoftirqd/309:30:073
12063995119,8cyclictest41-21ksoftirqd/310:20:073
1204899519,8cyclictest21304-21apt-get10:19:510
1204899519,8cyclictest12036-21apt-get12:39:530
1204899519,13cyclictest10506-21ssh11:31:410
1204899519,11cyclictest5186-21diskmemload12:25:150
1204899519,11cyclictest28718-21taskset09:24:570
1204899519,10cyclictest5186-21diskmemload14:13:340
12048995110,8cyclictest6141-21/usr/sbin/munin10:54:560
12048995110,8cyclictest4196-21nfs4_client10:50:010
12048995110,8cyclictest25481-21apt-get13:59:560
12048995110,11cyclictest5186-21diskmemload14:17:370
27972500,2sleep30-21swapper/311:24:513
12063995021,4cyclictest41-21ksoftirqd/312:34:563
1204899509,16cyclictest5186-21diskmemload13:19:350
1204899509,16cyclictest5186-21diskmemload11:58:590
1204899509,11cyclictest5186-21diskmemload12:00:410
1204899509,10cyclictest5186-21diskmemload13:01:320
1204899508,17cyclictest5186-21diskmemload12:37:570
12048995010,9cyclictest15335-21phc2sys-jitter10:05:010
12048995010,8cyclictest19559-21if_err_enp1s0.110:15:000
12048995010,16cyclictest5186-21diskmemload12:23:190
12048995010,10cyclictest5186-21diskmemload14:23:330
12063994921,5cyclictest41-21ksoftirqd/312:00:023
12063994920,8cyclictest41-21ksoftirqd/309:19:363
12063994919,9cyclictest41-21ksoftirqd/309:19:403
12063994919,8cyclictest41-21ksoftirqd/311:00:013
12063994919,7cyclictest41-21ksoftirqd/308:55:013
1204899499,14cyclictest10776-21snmp_o5powerctl09:55:030
1204899498,8cyclictest21436-21sshd11:43:100
12048994910,9cyclictest27821-21sshd10:30:580
1206399485,15cyclictest41-21ksoftirqd/308:59:523
1206399484,9cyclictest41-21ksoftirqd/312:24:413
12063994821,10cyclictest41-21ksoftirqd/313:45:133
1204899489,16cyclictest2239-21/usr/sbin/munin09:39:560
1204899489,14cyclictest22856-21ssh11:11:140
1204899485,19cyclictest0-21swapper/010:09:560
1206399476,7cyclictest41-21ksoftirqd/313:04:413
12063994720,5cyclictest41-21ksoftirqd/311:39:553
12063994720,10cyclictest41-21ksoftirqd/313:54:443
12063994719,5cyclictest41-21ksoftirqd/311:54:533
12063994719,5cyclictest41-21ksoftirqd/311:51:243
12063994718,7cyclictest41-21ksoftirqd/310:55:083
1204899479,9cyclictest28779-21diskstats13:29:560
1206399465,10cyclictest20893-21diskstats13:54:573
12063994623,4cyclictest41-21ksoftirqd/313:15:103
12063994623,4cyclictest41-21ksoftirqd/312:40:033
12063994622,4cyclictest41-21ksoftirqd/312:57:503
12063994621,4cyclictest41-21ksoftirqd/310:44:573
12063994620,6cyclictest41-21ksoftirqd/309:24:523
12063994619,10cyclictest41-21ksoftirqd/310:05:083
12063994618,7cyclictest41-21ksoftirqd/311:18:053
12063994618,7cyclictest41-21ksoftirqd/311:18:053
12063994617,9cyclictest41-21ksoftirqd/311:29:563
12063994616,9cyclictest41-21ksoftirqd/312:49:543
1204899469,16cyclictest2818-21latency_hist10:49:380
1204899465,17cyclictest0-21swapper/010:24:520
1206399453,11cyclictest41-21ksoftirqd/314:05:113
12063994522,8cyclictest41-21ksoftirqd/313:25:253
12063994518,8cyclictest41-21ksoftirqd/312:29:593
12063994516,5cyclictest41-21ksoftirqd/309:49:373
12063994515,8cyclictest41-21ksoftirqd/314:16:403
12063994515,8cyclictest41-21ksoftirqd/314:00:053
1206399450,10cyclictest41-21ksoftirqd/311:05:093
1204899459,9cyclictest23066-21perl09:14:530
1206399446,7cyclictest41-21ksoftirqd/312:44:533
1206399443,8cyclictest5186-21diskmemload11:12:033
12063994431,3cyclictest41-21ksoftirqd/310:25:053
1206399443,11cyclictest28489-21apt-get13:29:543
12063994418,9cyclictest41-21ksoftirqd/314:10:063
12063994418,4cyclictest41-21ksoftirqd/313:19:553
12063994418,11cyclictest41-21ksoftirqd/309:54:543
12063994417,9cyclictest41-21ksoftirqd/312:14:543
12063994415,11cyclictest41-21ksoftirqd/313:05:563
1206399437,3cyclictest41-21ksoftirqd/309:34:503
1206399436,3cyclictest41-21ksoftirqd/309:09:533
12063994318,10cyclictest41-21ksoftirqd/309:59:503
12063994316,10cyclictest41-21ksoftirqd/310:19:383
12063994314,10cyclictest41-21ksoftirqd/311:39:203
1204899439,17cyclictest6771-21munin-run09:49:370
1206399425,3cyclictest41-21ksoftirqd/310:39:573
12063994217,10cyclictest41-21ksoftirqd/310:09:513
1204899428,18cyclictest0-21swapper/009:20:010
1206399415,7cyclictest41-21ksoftirqd/309:39:523
1206399414,8cyclictest41-21ksoftirqd/310:34:523
1206399411,11cyclictest41-21ksoftirqd/310:50:093
12063994031,3cyclictest41-21ksoftirqd/310:29:543
12063994028,3cyclictest41-21ksoftirqd/309:49:593
302052390,2sleep10-21swapper/112:24:591
1205999382,6cyclictest26741-21apt-get12:54:522
1205999379,25cyclictest26407-21wc12:54:412
1205999373,4cyclictest0-21swapper/212:34:522
1205999372,6cyclictest0-21swapper/209:09:452
1205999372,3cyclictest121rcu_preempt13:34:152
12059993713,21cyclictest14425-21cat10:04:532
1205999362,5cyclictest0-21swapper/209:49:502
12059993614,18cyclictest13938-21grep14:20:062
12059993612,21cyclictest4255-21cpuspeed_turbos13:04:552
1204899367,18cyclictest0-21swapper/010:34:510
1205999359,4cyclictest13960-21date08:55:062
1205999359,3cyclictest30778-21bc10:39:492
1205999352,5cyclictest0-21swapper/212:19:522
1205999352,5cyclictest0-21swapper/210:54:502
1205999351,5cyclictest0-21swapper/210:44:522
1205999351,31cyclictest4383-21turbostat.cron09:44:372
12059993512,20cyclictest9894-21cat12:04:532
1205999349,3cyclictest32574-21expr09:34:512
1205999342,5cyclictest0-21swapper/213:14:542
1205999341,8cyclictest2719-21ssh11:24:442
12059993410,5cyclictest27341-21sendmail09:24:362
12059993410,3cyclictest26560-21missed_timers14:00:042
12059993410,3cyclictest2215-21cat12:29:532
1205999332,4cyclictest20601-21apt-get11:42:102
12059993312,3cyclictest16487-21sh12:44:372
12059993312,3cyclictest16088-21sh11:37:512
12059993312,18cyclictest23224-21latency_hist13:24:432
12059993310,3cyclictest3691-21if_ens310:49:572
1205999330,2cyclictest0-21swapper/211:16:052
1205999330,2cyclictest0-21swapper/211:16:052
1205999328,3cyclictest28686-21/usr/sbin/munin09:24:572
1205999328,3cyclictest16341-21irqrtprio11:04:592
1205999328,3cyclictest13206-21cat10:00:052
1205999328,3cyclictest10854-21apt-get13:44:542
1205999327,4cyclictest5186-21diskmemload13:51:582
1205999327,4cyclictest30969-21mailstats12:25:042
12048993216,12cyclictest30338-21cut09:29:530
12048993216,12cyclictest30338-21cut09:29:530
1205999319,4cyclictest22067-21cat11:10:082
1205999318,3cyclictest11968-21seq11:34:112
1205999316,4cyclictest24564-21grep11:45:102
1205999313,6cyclictest7637-21apt-get14:14:552
1205999312,7cyclictest16570-21apt-get10:09:492
1205999312,6cyclictest24139-21hddtemp_smartct13:24:582
1205999312,5cyclictest5011-21apt-get11:59:522
1205999312,5cyclictest27625-21apt-get11:49:512
1205999311,6cyclictest1679-21/usr/sbin/munin11:55:082
12059993111,3cyclictest21194-21cut10:19:392
1205999309,3cyclictest23089-21ssh13:56:182
1205999308,4cyclictest5186-21diskmemload13:35:112
1205999308,3cyclictest26218-21cat10:29:512
1205999308,3cyclictest11111-21/usr/sbin/munin10:59:572
1205999307,4cyclictest32290-21/usr/sbin/munin12:59:592
1205999307,3cyclictest9024-21bc13:09:522
1205999305,4cyclictest0-21swapper/209:54:542
1205999305,3cyclictest15630-21irqrtprio12:09:592
1205999303,5cyclictest2876-21tr14:09:552
1205999302,7cyclictest17946-21apt-get09:04:492
1205999301,6cyclictest19832-21grep12:14:542
1205999301,10cyclictest17173-21tail09:00:062
1205999300,10cyclictest6045-21snmp_o5powerctl09:45:032
12048993015,10cyclictest0-21swapper/009:34:490
109952306,10sleep10-21swapper/108:49:591
105932305,11sleep20-21swapper/208:49:562
320252290,3sleep132029-21ptp4l-jitter10:40:001
1205999297,3cyclictest21226-21/usr/sbin/munin10:19:522
1205999296,3cyclictest18708-21tail12:45:112
1205999291,7cyclictest7092-21missed_timers13:40:032
1205999291,7cyclictest31346-21snmp_o5powerctl09:30:022
1205999291,7cyclictest31346-21snmp_o5powerctl09:30:022
12059992911,3cyclictest25754-21munin-plugin-st10:29:382
12052992924,3cyclictest25-21ksoftirqd/113:24:421
1205999281,11cyclictest28904-21hddtemp_smartct10:34:552
12052992822,3cyclictest17623-21turbostat.cron09:04:361
12048992815,10cyclictest7696-21/usr/sbin/munin09:49:550
12052992720,5cyclictest25-21ksoftirqd/112:40:011
12052992719,5cyclictest4798-21cpuspeed_turbos09:44:491
12048992716,8cyclictest30708-21/usr/sbin/munin10:39:510
12052992621,3cyclictest25-21ksoftirqd/112:29:521
12052992621,3cyclictest25-21ksoftirqd/111:24:391
12052992620,3cyclictest25-21ksoftirqd/114:05:021
12052992620,3cyclictest25-21ksoftirqd/112:50:091
139302250,3sleep113928-21phc2sys-jitter14:20:061
12052992520,3cyclictest25-21ksoftirqd/113:25:171
12052992519,3cyclictest25-21ksoftirqd/112:04:501
12052992519,3cyclictest25-21ksoftirqd/110:05:251
169692240,2sleep10-21swapper/113:17:191
12052992419,3cyclictest25-21ksoftirqd/113:04:541
12052992419,3cyclictest25-21ksoftirqd/110:19:521
12052992418,3cyclictest25-21ksoftirqd/110:30:441
12052992418,3cyclictest25-21ksoftirqd/109:54:491
12052992417,4cyclictest25-21ksoftirqd/114:14:311
12059992317,3cyclictest33-21ksoftirqd/209:18:572
12052992318,3cyclictest25-21ksoftirqd/108:55:071
12052992317,3cyclictest25-21ksoftirqd/113:44:431
12052992317,3cyclictest25-21ksoftirqd/112:58:231
12052992317,3cyclictest25-21ksoftirqd/109:05:021
12052992316,4cyclictest4688-21unixbench_singl11:25:091
12052992316,4cyclictest25-21ksoftirqd/109:33:321
12052992316,4cyclictest25-21ksoftirqd/109:33:321
12052992316,4cyclictest25-21ksoftirqd/109:25:331
12052992316,4cyclictest24969-21grep11:14:391
12052992310,4cyclictest176622cut11:39:521
12052992218,3cyclictest25-21ksoftirqd/109:35:061
12052992217,3cyclictest25-21ksoftirqd/113:38:121
12052992217,3cyclictest25-21ksoftirqd/113:09:521
12052992216,4cyclictest25-21ksoftirqd/113:55:051
12052992216,4cyclictest24820-21ssh11:45:341
12052992216,3cyclictest25-21ksoftirqd/110:44:591
12052992216,3cyclictest25-21ksoftirqd/109:19:571
12052992214,5cyclictest9383-21cat11:30:081
12052992115,5cyclictest25-21ksoftirqd/112:44:571
12052992115,4cyclictest25-21ksoftirqd/109:44:081
12052992115,3cyclictest25-21ksoftirqd/111:05:051
12052992115,3cyclictest25-21ksoftirqd/110:53:341
12052992114,4cyclictest23178-21sh12:17:531
707522013,3sleep125-21ksoftirqd/109:49:511
12052992015,3cyclictest25-21ksoftirqd/111:59:291
12052992015,3cyclictest25-21ksoftirqd/111:35:031
12052992014,4cyclictest25-21ksoftirqd/110:37:231
12052992014,3cyclictest25-21ksoftirqd/110:13:151
12052992013,4cyclictest32049-21fschecks_time12:59:581
12052992013,4cyclictest25838-21phc2sys-jitter12:20:011
12052992013,4cyclictest25-21ksoftirqd/109:12:081
12052992013,3cyclictest28952-21tail11:50:021
12052992012,5cyclictest7394-21grep12:34:571
1205299200,17cyclictest25989-21hddtemp_smartct14:00:001
1205299200,17cyclictest19611-21ssh13:53:421
1205299197,9cyclictest0-21swapper/110:57:121
12052991913,3cyclictest25-21ksoftirqd/110:14:471
12052991913,3cyclictest25-21ksoftirqd/110:02:091
12052991913,3cyclictest25-21ksoftirqd/109:17:411
12052991913,3cyclictest25129-21date10:25:081
12052991912,4cyclictest11847-21ptp4l-jitter11:00:021
12052991813,3cyclictest25-21ksoftirqd/112:09:411
12052991812,3cyclictest4955-21acpi11:59:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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