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2026-03-17 - 13:01
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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 Tue Mar 17, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1332221490,3sleep22014499cyclictest23:07:342
1254521480,3sleep02013399cyclictest20:52:340
664321370,4sleep12013899cyclictest21:47:351
1068911000,4ptp4l401ktimersoftd/319:59:563
277872610,3sleep32015099cyclictest01:00:003
2015099608,20cyclictest21525-21ssh01:27:023
2015099598,18cyclictest7869-21ssh23:02:023
2015099598,12cyclictest14547-21ssh23:41:093
2015099577,12cyclictest25116-21ssh22:47:073
20150995710,13cyclictest24697-21ssh23:51:423
50322560,2sleep10-21swapper/121:42:411
2015099569,13cyclictest14434-21chrt22:35:433
2015099569,12cyclictest9404-21chrt20:43:583
2015099568,18cyclictest1379-21ssh01:06:383
2015099568,18cyclictest1379-21ssh01:06:383
2015099568,13cyclictest32279-21chrt23:26:183
2015099568,12cyclictest5158-21chrt20:37:243
2015099568,12cyclictest16872-21chrt21:00:443
2015099567,18cyclictest5844-21taskset21:43:353
2015099566,14cyclictest15865-21/usr/sbin/munin23:42:383
2015099565,13cyclictest4620-21grep00:02:543
2015099559,13cyclictest26136-21ssh22:14:073
2015099559,13cyclictest24495-21ssh01:28:443
2015099559,12cyclictest28518-21ssh23:54:493
2015099559,12cyclictest26801-21ssh00:26:483
2015099558,13cyclictest11592-21ssh01:17:143
2015099558,12cyclictest1257-21chrt00:00:143
2015099557,18cyclictest13241-21taskset22:02:083
2015099549,18cyclictest10615-21chrt23:03:213
2015099549,12cyclictest25450-21ssh23:18:013
2015099549,12cyclictest25450-21ssh23:18:013
2015099548,13cyclictest20501-21ssh23:13:213
2015099548,13cyclictest20501-21ssh23:13:213
2015099548,13cyclictest11968-21chrt20:51:333
2015099548,12cyclictest3359-21ssh22:23:433
2015099548,12cyclictest13273-21diskmemload00:38:243
20150995410,13cyclictest2325-21chrt20:29:333
20150995410,11cyclictest7845-21switchtime21:47:493
2015099539,12cyclictest9036-21ssh23:35:103
2015099539,12cyclictest4227-21ssh23:30:233
2015099539,12cyclictest30431-21ssh00:29:363
2015099539,12cyclictest29031-21chrt21:26:463
2015099538,19cyclictest13273-21diskmemload22:30:503
2015099537,18cyclictest29701-21ssh22:51:113
2013399530,22cyclictest13273-21diskmemload23:12:300
2013399530,22cyclictest13273-21diskmemload23:12:300
2015099529,13cyclictest29717-21timerwakeupswit20:17:483
2015099529,12cyclictest31091-21ssh22:19:083
2015099529,12cyclictest16564-21ssh01:22:203
2015099529,12cyclictest10760-21ssh00:09:363
2015099528,18cyclictest4269-21taskset00:36:513
2015099528,13cyclictest19928-21ssh00:18:273
2015099528,11cyclictest19617-21seq00:52:313
2013399500,2cyclictest0-21swapper/023:47:480
2015099499,12cyclictest5316-21ssh01:09:593
2015099499,12cyclictest5316-21ssh01:09:593
2015099498,18cyclictest233-21systemd-journal20:16:423
2013399490,2cyclictest0-21swapper/000:43:280
2015099488,12cyclictest17622-21ssh22:06:243
2015099488,12cyclictest16039-21ssh23:09:123
2015099486,12cyclictest3476-21taskset21:38:333
2013399480,2cyclictest0-21swapper/021:45:440
2013399480,2cyclictest0-21swapper/020:58:110
2014499479,7cyclictest33-21ksoftirqd/220:50:292
2014499478,7cyclictest33-21ksoftirqd/200:52:532
2014499476,6cyclictest33-21ksoftirqd/223:17:052
2014499476,6cyclictest33-21ksoftirqd/223:17:052
2014499475,8cyclictest27219-21grep22:47:452
20144994711,6cyclictest33-21ksoftirqd/201:30:432
198842474,31sleep20-21swapper/220:00:252
2013399461,22cyclictest0-21swapper/001:12:400
2014499456,6cyclictest33-21ksoftirqd/223:54:402
2014499454,7cyclictest13711-21irqrtprio00:12:442
20144994511,6cyclictest33-21ksoftirqd/201:12:422
2013399441,36cyclictest29776-21apt-get01:02:390
2013399441,36cyclictest29776-21apt-get01:02:390
2013399440,2cyclictest13273-21diskmemload22:03:440
2013399440,2cyclictest0-21swapper/000:51:320
20144994315,7cyclictest33-21ksoftirqd/200:41:572
2014499430,18cyclictest30326-21awk22:17:522
2013399432,33cyclictest25549-21apt-get23:52:380
2013399430,2cyclictest0-21swapper/022:15:420
2014499427,7cyclictest33-21ksoftirqd/200:08:522
2014499425,7cyclictest33-21ksoftirqd/222:12:522
20144994215,6cyclictest33-21ksoftirqd/221:40:222
20138994232,5cyclictest25-21ksoftirqd/101:12:391
2013399420,4cyclictest13273-21diskmemload01:00:080
2015099419,19cyclictest19382-21chrt22:40:453
2014499410,6cyclictest13273-21diskmemload01:22:562
2013399412,31cyclictest17756-21apt-get00:17:370
2013399411,33cyclictest27600-21apt-get00:27:390
190602413,25sleep119140-21/usr/sbin/munin19:57:421
2015099405,13cyclictest4212-21/usr/sbin/munin20:32:433
2014499402,7cyclictest33-21ksoftirqd/201:07:402
2014499402,7cyclictest33-21ksoftirqd/201:07:402
2014499400,14cyclictest33-21ksoftirqd/222:56:492
20138994034,3cyclictest25-21ksoftirqd/123:17:281
20138994034,3cyclictest25-21ksoftirqd/123:17:281
2013399402,31cyclictest20770-21apt-get22:42:350
2013399402,30cyclictest5246-21apt-get20:37:320
2013399402,30cyclictest28437-21apt-get23:22:360
2013399401,32cyclictest28478-21apt-get22:17:340
106891400,1ptp4l401ktimersoftd/300:46:143
2015099399,12cyclictest21383-21chrt22:09:253
20150993911,12cyclictest32249-21vmstat20:22:513
2014499395,7cyclictest33-21ksoftirqd/200:47:492
20144993913,7cyclictest33-21ksoftirqd/201:20:552
20144993913,5cyclictest33-21ksoftirqd/200:37:082
20144993912,6cyclictest33-21ksoftirqd/222:06:082
2014499390,7cyclictest33-21ksoftirqd/221:32:412
2014499390,7cyclictest33-21ksoftirqd/221:32:412
20138993934,3cyclictest25-21ksoftirqd/122:57:231
2013399392,29cyclictest30552-21apt-get20:22:330
2013399392,29cyclictest19769-21apt-get00:52:380
20133993913,22cyclictest29245-21needreboot20:17:390
20133993913,22cyclictest27198-21latency_hist00:27:270
2013399391,31cyclictest12125-21apt-get01:17:390
2013399391,30cyclictest23514-21apt-get23:17:350
2013399391,30cyclictest23514-21apt-get23:17:350
2013399391,30cyclictest17314-21apt-get21:02:340
2013399391,30cyclictest15837-21apt-get22:37:360
2015099387,13cyclictest0-21swapper/322:55:203
2014499385,6cyclictest33-21ksoftirqd/200:22:532
2014499381,7cyclictest33-21ksoftirqd/222:44:292
20144993813,7cyclictest33-21ksoftirqd/222:57:252
20144993811,6cyclictest33-21ksoftirqd/223:25:362
20144993811,6cyclictest33-21ksoftirqd/201:01:002
20138993826,7cyclictest25-21ksoftirqd/101:27:401
2013399382,30cyclictest5884-21apt-get23:32:390
20133993814,21cyclictest3272-21grep20:32:360
20133993814,21cyclictest13273-21diskmemload00:36:540
2013399381,30cyclictest7615-21apt-get20:42:340
20133993811,24cyclictest27355-21fschecks_time21:22:360
193712383,22sleep019446-21sed19:57:490
2015099378,17cyclictest21707-21taskset21:11:513
2015099378,12cyclictest10813-21taskset21:56:193
20150993722,7cyclictest12845-21apt-get00:12:373
20144993732,3cyclictest311rcuc/221:27:462
20144993712,8cyclictest33-21ksoftirqd/220:22:432
20144993712,5cyclictest33-21ksoftirqd/220:57:322
2013399379,25cyclictest11608-21gltestperf21:57:380
2013399372,30cyclictest29316-21/usr/sbin/munin21:27:410
2013399372,30cyclictest0-21swapper/023:57:360
2013399372,30cyclictest0-21swapper/020:02:320
2013399371,32cyclictest9337-21irqrtprio23:02:420
2013399371,29cyclictest22174-21apt-get01:27:400
2013399371,22cyclictest0-21swapper/021:53:550
20133993711,23cyclictest3593-21if_ens300:02:430
20133993711,22cyclictest11817-21irqrtprio22:32:420
2015099367,17cyclictest16263-21ssh00:47:503
2015099367,17cyclictest1318-21taskset21:36:163
2015099367,17cyclictest1318-21taskset21:36:163
20144993632,2cyclictest311rcuc/222:27:402
20144993616,6cyclictest33-21ksoftirqd/200:05:212
20144993612,8cyclictest33-21ksoftirqd/221:10:172
20144993612,5cyclictest33-21ksoftirqd/222:34:092
2013399361,32cyclictest3717-21python01:07:520
2013399361,32cyclictest3717-21python01:07:520
20133993612,21cyclictest6364-21ptp4l-jitter00:37:500
20133993612,21cyclictest505-21cpu20:27:340
20133993612,21cyclictest13273-21diskmemload23:42:040
20133993612,21cyclictest13273-21diskmemload00:14:400
2013399360,2cyclictest0-21swapper/021:07:400
2014499353,19cyclictest13273-21diskmemload00:17:402
20144993530,3cyclictest311rcuc/201:05:302
20144993530,3cyclictest311rcuc/201:05:302
20144993511,5cyclictest33-21ksoftirqd/222:24:072
20144993510,6cyclictest33-21ksoftirqd/223:03:082
2014499350,6cyclictest33-21ksoftirqd/223:58:402
20138993526,6cyclictest25-21ksoftirqd/121:22:221
2013399357,25cyclictest2659-21unixbench_multi23:27:530
2013399352,30cyclictest0-21swapper/022:47:410
2013399351,30cyclictest16648-21apt-get01:22:310
2013399351,29cyclictest2103-21cut21:37:380
20133993511,21cyclictest7547-21sh23:01:300
2013399350,3cyclictest13273-21diskmemload23:10:310
2013399350,3cyclictest13273-21diskmemload00:10:040
2013399350,32cyclictest3608-21taskset22:24:080
2013399350,2cyclictest13273-21diskmemload22:08:420
2013399350,2cyclictest0-21swapper/022:27:460
2014499348,6cyclictest33-21ksoftirqd/200:44:322
2014499343,7cyclictest33-21ksoftirqd/223:34:032
2014499343,6cyclictest33-21ksoftirqd/223:44:292
20144993425,8cyclictest311rcuc/200:30:482
20144993415,6cyclictest33-21ksoftirqd/220:33:162
20144993413,7cyclictest33-21ksoftirqd/220:30:282
2013399348,23cyclictest24812-21grep21:17:370
2013399347,23cyclictest22775-21cut21:12:400
2013399341,27cyclictest15691-21apt-get23:42:370
2013399340,4cyclictest26767-21sort20:12:390
2013399340,3cyclictest1055-21runrttasks21:50:540
2013399340,31cyclictest430-21phc2sys21:32:440
2013399340,31cyclictest430-21phc2sys21:32:440
2013399340,2cyclictest0-21swapper/020:47:400
2015099333,17cyclictest23353-21/usr/sbin/munin20:07:473
2014499334,7cyclictest33-21ksoftirqd/223:51:592
2014499333,6cyclictest33-21ksoftirqd/223:17:252
2014499333,6cyclictest33-21ksoftirqd/223:17:252
20144993318,5cyclictest33-21ksoftirqd/221:12:452
20144993314,7cyclictest33-21ksoftirqd/221:19:092
20144993314,6cyclictest33-21ksoftirqd/221:52:422
20144993314,6cyclictest33-21ksoftirqd/220:20:482
20144993310,6cyclictest33-21ksoftirqd/223:27:482
20138993328,3cyclictest25-21ksoftirqd/122:17:401
20138993328,3cyclictest25-21ksoftirqd/100:42:261
20138993327,4cyclictest25-21ksoftirqd/123:07:241
20138993327,3cyclictest25-21ksoftirqd/123:12:241
2013399339,20cyclictest23818-21fw_packets20:07:360
20133993310,20cyclictest30763-21/usr/sbin/munin22:52:530
2015099325,14cyclictest18551-21ptp4l-jitter21:02:433
2015099324,15cyclictest13702-21snmp_o5powerctl20:52:453
2014499328,5cyclictest33-21ksoftirqd/222:38:142
20144993212,7cyclictest33-21ksoftirqd/223:41:212
20138993227,3cyclictest25-21ksoftirqd/100:47:391
158982320,3sleep1121rcu_preempt00:14:591
2015099317,8cyclictest26516-21munin-run21:22:213
2015099315,14cyclictest22083-21apt-get21:12:343
20144993117,4cyclictest33-21ksoftirqd/220:14:502
20138993126,3cyclictest25-21ksoftirqd/121:02:201
2013899312,19cyclictest47050irq/101-ens3-Tx23:32:391
20150993011,16cyclictest31446-21cron21:32:213
2014499306,5cyclictest33-21ksoftirqd/221:47:422
20144993026,2cyclictest311rcuc/221:42:402
20144993014,5cyclictest33-21ksoftirqd/221:03:312
20144993013,6cyclictest33-21ksoftirqd/221:22:262
20144993013,5cyclictest33-21ksoftirqd/220:12:202
20138993024,3cyclictest25-21ksoftirqd/123:52:251
20138993024,3cyclictest25-21ksoftirqd/100:32:401
171462300,5sleep117150-21ptp4l22:37:461
2014499297,6cyclictest33-21ksoftirqd/222:07:472
2014499297,6cyclictest33-21ksoftirqd/220:38:532
2013899296,13cyclictest25557-21ssh23:52:381
20138992924,3cyclictest25-21ksoftirqd/123:27:241
20138992924,3cyclictest25-21ksoftirqd/122:12:391
20138992924,3cyclictest25-21ksoftirqd/120:52:211
20138992923,3cyclictest25-21ksoftirqd/120:57:211
20144992812,5cyclictest33-21ksoftirqd/220:52:592
20138992824,2cyclictest25-21ksoftirqd/101:22:311
20138992823,3cyclictest25-21ksoftirqd/123:12:431
20138992823,3cyclictest25-21ksoftirqd/123:12:431
20138992823,3cyclictest25-21ksoftirqd/121:12:211
20138992823,3cyclictest25-21ksoftirqd/100:02:441
20138992822,3cyclictest25-21ksoftirqd/122:32:421
20138992822,3cyclictest25-21ksoftirqd/101:17:501
20138992821,4cyclictest25-21ksoftirqd/122:47:411
20138992818,5cyclictest25-21ksoftirqd/100:52:381
2013899280,3cyclictest121rcu_preempt00:10:071
20138992722,3cyclictest25-21ksoftirqd/123:57:491
20138992722,3cyclictest25-21ksoftirqd/123:42:431
20138992722,3cyclictest25-21ksoftirqd/123:02:231
20138992722,3cyclictest25-21ksoftirqd/122:07:401
20138992722,3cyclictest25-21ksoftirqd/120:12:381
20138992721,3cyclictest25-21ksoftirqd/121:32:411
20138992721,3cyclictest25-21ksoftirqd/121:32:411
20138992721,3cyclictest25-21ksoftirqd/101:12:271
20138992721,3cyclictest25-21ksoftirqd/101:12:271
20138992713,3cyclictest25-21ksoftirqd/122:27:391
2014499265,8cyclictest33-21ksoftirqd/221:57:402
2014499265,7cyclictest33-21ksoftirqd/220:44:492
2014499261,7cyclictest33-21ksoftirqd/220:02:352
20138992621,3cyclictest25-21ksoftirqd/122:47:241
20138992621,3cyclictest25-21ksoftirqd/121:22:391
20138992621,3cyclictest25-21ksoftirqd/101:02:261
20138992620,4cyclictest25-21ksoftirqd/121:57:411
20138992620,3cyclictest25-21ksoftirqd/123:27:541
20138992620,3cyclictest25-21ksoftirqd/100:32:261
20138992615,8cyclictest3067-21snmp_o5powerctl21:37:491
20150992512,9cyclictest20692-21tune2fs20:02:363
20138992520,3cyclictest25-21ksoftirqd/121:52:401
20138992520,3cyclictest25-21ksoftirqd/100:42:371
20138992519,4cyclictest25-21ksoftirqd/122:02:431
20138992519,3cyclictest30164-21tune2fs01:02:431
20138992519,3cyclictest30164-21tune2fs01:02:431
20138992519,3cyclictest25-21ksoftirqd/122:22:321
20138992519,3cyclictest25-21ksoftirqd/120:17:321
20138992519,3cyclictest25-21ksoftirqd/100:17:451
20138992518,4cyclictest25-21ksoftirqd/120:10:041
20138992419,3cyclictest25-21ksoftirqd/120:37:391
20138992419,3cyclictest25-21ksoftirqd/120:07:201
20138992418,3cyclictest25-21ksoftirqd/123:37:371
20138992418,3cyclictest25-21ksoftirqd/121:13:401
20138992418,3cyclictest25-21ksoftirqd/120:24:151
20138992318,3cyclictest25-21ksoftirqd/121:07:211
20138992318,3cyclictest25-21ksoftirqd/120:32:391
20138992318,3cyclictest25-21ksoftirqd/100:22:451
20138992317,3cyclictest25-21ksoftirqd/121:28:581
20138992216,3cyclictest25-21ksoftirqd/120:42:351
20138992216,3cyclictest25-21ksoftirqd/120:27:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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