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2026-09-04 - 14:15
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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 Sep 04, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
589121820,4sleep02498099cyclictest01:34:280
589121820,4sleep02498099cyclictest01:34:280
1068911020,4ptp4l401ktimersoftd/321:35:003
148222850,2sleep30-21swapper/301:11:193
228352700,2sleep00-21swapper/001:18:140
32342690,2sleep10-21swapper/121:57:051
32172620,11sleep1241ktimersoftd/102:37:171
24986995912,13cyclictest16525-21ssh01:45:521
106891590,2ptp4l15449-21kworker/3:223:38:573
106891590,1ptp4l401ktimersoftd/300:40:343
106891580,1ptp4l401ktimersoftd/301:27:573
24986995712,12cyclictest21941-21grep02:57:121
106891570,1ptp4l401ktimersoftd/302:14:043
253652560,1sleep10-21swapper/100:47:281
24986995612,12cyclictest5238-21ssh01:33:231
24986995612,12cyclictest5238-21ssh01:33:231
24986995611,12cyclictest24014-21ssh01:20:151
43092550,3sleep02498099cyclictest21:57:170
294712550,3sleep2321ktimersoftd/201:57:472
24986995511,12cyclictest18319-21diskmemload02:44:201
134962550,4sleep233-21ksoftirqd/223:26:512
2498699548,14cyclictest15092-21expr00:37:251
232382540,2sleep20-21swapper/223:41:282
106891540,1ptp4l401ktimersoftd/302:58:503
106891540,1ptp4l401ktimersoftd/300:53:133
2498699538,12cyclictest26152-21ssh01:55:301
24986995212,11cyclictest14837-21ssh02:48:571
24986995210,13cyclictest12717-21threads23:22:191
2498699519,12cyclictest29403-21sort00:52:131
2498699518,12cyclictest32690-21rm01:28:151
2498699507,11cyclictest0-21swapper/100:30:501
106891500,1ptp4l401ktimersoftd/303:03:273
24986994914,14cyclictest18795-21apt-get23:36:561
24986994911,13cyclictest3500-21ssh00:58:441
24986994911,12cyclictest17969-21ssh02:19:571
24986994911,11cyclictest19517-21ssh01:47:361
2498099487,7cyclictest9-21ksoftirqd/000:21:340
2498699478,12cyclictest19642-21cat00:42:131
2498699469,12cyclictest9136-21sed22:07:181
2498699469,12cyclictest9136-21sed22:07:181
2498699468,12cyclictest5810-21smartctl22:02:051
2498699468,12cyclictest5810-21smartctl22:02:051
2498099467,6cyclictest9-21ksoftirqd/002:55:050
2498099466,6cyclictest9-21ksoftirqd/000:58:050
2498099465,6cyclictest9-21ksoftirqd/001:28:240
2498099465,6cyclictest9-21ksoftirqd/000:47:380
106891460,1ptp4l401ktimersoftd/300:28:343
2498099456,6cyclictest9-21ksoftirqd/023:55:540
2498099456,6cyclictest9-21ksoftirqd/000:01:480
2498099454,6cyclictest9-21ksoftirqd/000:04:130
2498699448,12cyclictest25102-21latency_hist21:36:491
2498699448,11cyclictest483-21rm00:22:251
2498099446,6cyclictest9-21ksoftirqd/001:53:390
2498099444,7cyclictest9-21ksoftirqd/023:27:170
2498699434,14cyclictest0-21swapper/102:09:151
24986994310,13cyclictest1092-21grep22:57:191
2498099436,6cyclictest9-21ksoftirqd/023:46:210
2498099436,6cyclictest9-21ksoftirqd/001:42:070
2498099434,7cyclictest9-21ksoftirqd/003:06:150
2498099434,6cyclictest9-21ksoftirqd/000:16:360
2498099433,7cyclictest9-21ksoftirqd/002:44:170
2498099432,7cyclictest9-21ksoftirqd/001:37:120
2465724321,11sleep233-21ksoftirqd/221:34:022
24986994226,9cyclictest16098-21apt-get00:07:061
24986994210,17cyclictest987-21sshd03:05:301
2498099427,5cyclictest9-21ksoftirqd/002:57:220
2498099426,6cyclictest9-21ksoftirqd/023:13:340
2498099423,7cyclictest9-21ksoftirqd/023:41:030
2498099423,7cyclictest9-21ksoftirqd/002:34:410
2498099423,7cyclictest9-21ksoftirqd/001:15:340
2498099423,6cyclictest9-21ksoftirqd/002:25:000
2498099423,6cyclictest9-21ksoftirqd/002:09:360
2498099423,6cyclictest9-21ksoftirqd/000:08:400
24986994126,8cyclictest10685-21apt-get01:07:071
24986994125,12cyclictest28850-21ssh23:47:041
24986994125,12cyclictest28850-21ssh23:47:041
24986994111,12cyclictest30549-21ssh01:59:371
2498099414,6cyclictest9-21ksoftirqd/022:57:110
2498099411,7cyclictest9-21ksoftirqd/002:20:060
106891410,1ptp4l401ktimersoftd/322:52:153
95902400,2sleep20-21swapper/200:32:152
2498699409,18cyclictest28360-21ssh00:17:591
2498699408,11cyclictest25573-21cstates01:22:071
2498699407,12cyclictest25920-21rm23:42:401
24986994025,8cyclictest6555-21apt-get23:12:031
24986994025,7cyclictest28266-21apt-get21:41:591
24986994012,12cyclictest10408-21ssh01:38:491
24986994011,15cyclictest2773-21sensors_temp23:52:181
2498099406,6cyclictest9-21ksoftirqd/001:07:110
2498099403,7cyclictest9-21ksoftirqd/000:37:090
2498099402,6cyclictest9-21ksoftirqd/023:47:070
2498099402,6cyclictest9-21ksoftirqd/023:47:070
2498099402,6cyclictest9-21ksoftirqd/002:06:260
2498099402,6cyclictest9-21ksoftirqd/000:55:560
2498099402,5cyclictest0-21swapper/000:26:560
2498699399,17cyclictest29310-21/usr/sbin/munin02:32:121
2498699399,17cyclictest21503-21ssh00:12:081
24986993925,7cyclictest4188-21apt-get23:07:011
2498099395,30cyclictest27786-21irqrtprio22:47:090
2498099393,7cyclictest9185-21ssh00:32:130
2498099393,6cyclictest9-21ksoftirqd/000:43:040
2498099392,6cyclictest9-21ksoftirqd/001:23:240
2498099391,6cyclictest9-21ksoftirqd/022:17:020
2498099391,6cyclictest9-21ksoftirqd/002:47:010
2498099391,6cyclictest9-21ksoftirqd/002:14:550
106891390,1ptp4l401ktimersoftd/323:43:473
106891390,1ptp4l401ktimersoftd/302:17:233
106891390,1ptp4l401ktimersoftd/301:43:493
106891390,1ptp4l401ktimersoftd/301:22:353
106891390,1ptp4l401ktimersoftd/300:19:063
106891390,0ptp4l401ktimersoftd/321:47:163
2498699389,17cyclictest10984-21idleruntime-cro23:21:511
2498699389,15cyclictest8522-21apt-get00:32:071
24986993824,7cyclictest29496-21apt-get22:52:031
24986993824,6cyclictest19787-21apt-get22:32:031
24986993810,15cyclictest26567-21snmp_o5powerctl21:37:111
2498099386,6cyclictest9-21ksoftirqd/002:40:350
2498099382,5cyclictest0-21swapper/000:25:590
2498099380,6cyclictest9-21ksoftirqd/001:03:170
145291385,7phc2sys41-21ksoftirqd/302:23:293
106891380,1ptp4l401ktimersoftd/323:57:243
106891380,1ptp4l401ktimersoftd/323:51:223
106891380,1ptp4l401ktimersoftd/323:51:223
106891380,1ptp4l401ktimersoftd/302:40:593
106891380,1ptp4l401ktimersoftd/302:31:593
106891380,1ptp4l401ktimersoftd/301:58:493
106891380,1ptp4l401ktimersoftd/301:53:373
106891380,1ptp4l401ktimersoftd/301:38:383
106891380,1ptp4l401ktimersoftd/301:34:163
106891380,1ptp4l401ktimersoftd/301:34:163
106891380,1ptp4l401ktimersoftd/301:18:033
106891380,1ptp4l401ktimersoftd/301:14:453
106891380,1ptp4l401ktimersoftd/300:14:083
106891380,1ptp4l401ktimersoftd/300:06:173
106891380,0ptp4l401ktimersoftd/300:58:073
2498699379,15cyclictest28467-21snmp_o5powerctl22:47:151
2498699379,14cyclictest15853-21df01:12:071
2498699374,11cyclictest0-21swapper/102:55:211
24986993710,9cyclictest12506-21/usr/sbin/munin00:02:151
2498099376,5cyclictest9-21ksoftirqd/001:57:280
106891370,1ptp4l401ktimersoftd/302:48:083
106891370,1ptp4l401ktimersoftd/302:45:593
106891370,1ptp4l401ktimersoftd/302:07:303
106891370,1ptp4l401ktimersoftd/301:47:323
106891370,1ptp4l401ktimersoftd/301:04:463
106891370,1ptp4l401ktimersoftd/300:49:243
106891370,1ptp4l401ktimersoftd/300:44:003
106891370,1ptp4l401ktimersoftd/300:24:473
2498699368,15cyclictest12701-21df22:17:051
24986993622,9cyclictest19546-21apt-get02:22:081
24986993622,8cyclictest30655-21apt-get21:47:011
2498099363,6cyclictest9-21ksoftirqd/022:10:450
2498099363,6cyclictest9-21ksoftirqd/022:10:450
2498099362,6cyclictest9-21ksoftirqd/022:39:280
2498099361,6cyclictest0-21swapper/002:30:460
106891360,1ptp4l401ktimersoftd/323:55:493
106891360,1ptp4l401ktimersoftd/322:47:173
106891360,1ptp4l401ktimersoftd/300:06:563
106891360,0ptp4l401ktimersoftd/302:56:373
2498699359,9cyclictest17237-21memory23:32:111
2498699359,9cyclictest17237-21memory23:32:111
2498699359,14cyclictest24479-21apt-get02:27:081
2498699359,13cyclictest8725-21ssh23:58:281
2498699358,14cyclictest26076-21snmp_o5powerctl22:42:141
2498699358,14cyclictest10178-21ssh01:06:471
2498699357,15cyclictest17669-21df_inode22:27:041
24986993522,6cyclictest32317-21apt-get02:02:081
24986993521,7cyclictest10085-21apt-get22:12:031
24986993517,12cyclictest0-21swapper/122:37:011
2498699349,8cyclictest15032-21apt-get22:22:031
24986993410,9cyclictest14986-21systemctl23:27:161
106891340,1ptp4l401ktimersoftd/302:28:233
30702330,5sleep33074-21cpuspeed_turbos21:57:033
227392332,18sleep014758-21snmpd21:31:580
106891330,11ptp4l401ktimersoftd/323:25:483
2498699328,9cyclictest2280-21hddtemp_smartct23:02:081
106891320,1ptp4l401ktimersoftd/323:21:403
106891320,1ptp4l401ktimersoftd/323:16:113
106891320,1ptp4l401ktimersoftd/302:03:533
106891320,11ptp4l401ktimersoftd/322:30:503
2498099316,6cyclictest9-21ksoftirqd/022:02:140
2498099316,6cyclictest9-21ksoftirqd/022:02:140
106891310,1ptp4l401ktimersoftd/323:27:353
106891310,1ptp4l401ktimersoftd/322:34:123
106891310,1ptp4l401ktimersoftd/321:45:223
106891310,1ptp4l401ktimersoftd/321:40:303
106891310,1ptp4l401ktimersoftd/300:32:283
2498099307,6cyclictest9-21ksoftirqd/023:26:310
2498099304,9cyclictest9-21ksoftirqd/021:52:030
106891300,1ptp4l401ktimersoftd/322:16:593
106891300,0ptp4l401ktimersoftd/323:06:093
24999992922,4cyclictest41-21ksoftirqd/322:26:503
2498099298,6cyclictest9-21ksoftirqd/001:48:160
24999992822,3cyclictest41-21ksoftirqd/323:32:103
24999992822,3cyclictest41-21ksoftirqd/323:32:103
24999992822,3cyclictest41-21ksoftirqd/323:07:133
2499399282,2cyclictest121rcu_preempt02:03:222
24986992815,9cyclictest982-21grep21:52:061
24986992815,8cyclictest10683-21ssh02:12:151
2498099288,6cyclictest9-21ksoftirqd/022:14:010
2498099287,6cyclictest9-21ksoftirqd/023:04:230
2498099287,6cyclictest9-21ksoftirqd/022:35:360
2498099286,6cyclictest9-21ksoftirqd/023:17:030
2498099286,6cyclictest9-21ksoftirqd/022:53:030
2498099286,6cyclictest9-21ksoftirqd/022:43:190
2498099283,6cyclictest9-21ksoftirqd/022:22:050
2498099282,6cyclictest9-21ksoftirqd/021:42:080
24993992721,3cyclictest33-21ksoftirqd/222:31:022
24993992721,3cyclictest33-21ksoftirqd/222:06:492
24993992721,3cyclictest33-21ksoftirqd/222:06:492
24993992720,4cyclictest1119-21users22:57:192
2498099278,6cyclictest9-21ksoftirqd/021:41:130
2498099277,6cyclictest9-21ksoftirqd/022:31:430
2498099273,7cyclictest9-21ksoftirqd/021:47:160
106891270,0ptp4l401ktimersoftd/322:15:153
24993992621,3cyclictest33-21ksoftirqd/202:18:512
24993992620,3cyclictest33-21ksoftirqd/202:37:082
24993992619,4cyclictest33-21ksoftirqd/223:09:492
2498099266,6cyclictest9-21ksoftirqd/023:10:170
2498099266,5cyclictest9-21ksoftirqd/023:32:040
2498099266,5cyclictest9-21ksoftirqd/023:32:040
24993992520,3cyclictest33-21ksoftirqd/222:42:082
24993992520,3cyclictest33-21ksoftirqd/202:32:122
24993992520,3cyclictest33-21ksoftirqd/201:16:482
24993992520,3cyclictest33-21ksoftirqd/201:02:352
24993992519,3cyclictest33-21ksoftirqd/223:55:032
24993992519,3cyclictest33-21ksoftirqd/221:53:092
24993992519,3cyclictest33-21ksoftirqd/221:49:552
24993992518,4cyclictest33-21ksoftirqd/222:10:072
24993992518,4cyclictest33-21ksoftirqd/222:10:072
24993992518,4cyclictest33-21ksoftirqd/200:17:422
106891250,9ptp4l401ktimersoftd/322:58:163
106891250,1ptp4l401ktimersoftd/322:37:233
106891250,1ptp4l401ktimersoftd/322:07:023
106891250,1ptp4l401ktimersoftd/322:07:023
106891250,1ptp4l401ktimersoftd/322:06:173
106891250,1ptp4l401ktimersoftd/322:06:173
106891250,10ptp4l401ktimersoftd/322:42:283
2499399242,19cyclictest323-21sed00:22:222
24993992418,3cyclictest33-21ksoftirqd/223:19:302
24993992417,4cyclictest33-21ksoftirqd/222:54:512
24993992417,4cyclictest33-21ksoftirqd/222:25:412
24993992318,3cyclictest33-21ksoftirqd/201:01:262
24993992317,3cyclictest33-21ksoftirqd/201:46:272
24993992316,4cyclictest33-21ksoftirqd/222:38:012
24993992316,4cyclictest33-21ksoftirqd/200:54:112
24993992315,5cyclictest27097-21df_inode03:02:122
24993992310,10cyclictest9492-21unixbench_multi01:37:262
1334722317,3sleep233-21ksoftirqd/200:37:062
106891230,1ptp4l401ktimersoftd/321:52:043
2499399222,17cyclictest19740-21ssh00:42:142
24993992216,3cyclictest33-21ksoftirqd/221:46:402
24993992216,3cyclictest33-21ksoftirqd/201:48:242
24993992216,3cyclictest10448-21grep22:12:062
24993992215,4cyclictest5063-21sh01:33:042
24993992215,4cyclictest5063-21sh01:33:042
24993992215,4cyclictest15504-21sh02:50:052
24993992214,5cyclictest12487-21grep01:07:252
2499399217,8cyclictest20985-21apt-get00:12:032
2499399213,2cyclictest121rcu_preempt23:42:102
24993992116,3cyclictest33-21ksoftirqd/200:07:462
24993992115,4cyclictest33-21ksoftirqd/222:47:572
24993992115,4cyclictest32146-21sh23:49:502
24993992115,4cyclictest32146-21sh23:49:502
24993992115,3cyclictest33-21ksoftirqd/221:58:182
24993992115,3cyclictest33-21ksoftirqd/221:37:192
24993992114,5cyclictest33-21ksoftirqd/202:08:232
24993992114,4cyclictest33-21ksoftirqd/223:29:122
24993992114,4cyclictest33-21ksoftirqd/222:32:152
24993992114,4cyclictest33-21ksoftirqd/222:18:542
24993992114,4cyclictest26640-21sh02:27:562
24993992114,4cyclictest25838-21sh03:00:592
24993992114,4cyclictest21946-21sh02:23:222
24993992114,4cyclictest1381-21sh01:30:092
24993992114,4cyclictest10571-21sed02:12:142
24993992114,4cyclictest10120-21sh00:00:502
24993992014,4cyclictest24056-21cat01:52:232
24993992014,3cyclictest27092-21unixbench-2d01:22:222
24993992014,3cyclictest20326-21sh01:16:562
2499399201,3cyclictest14275-21ssh00:04:332
24993992013,4cyclictest4420-21sh00:27:112
24993992013,4cyclictest10910-21sh02:45:402
24993991914,3cyclictest33-21ksoftirqd/223:32:152
24993991914,3cyclictest33-21ksoftirqd/223:32:152
24993991913,3cyclictest19779-21sh02:54:022
2499399191,2cyclictest25887-21ssh00:48:222
24993991912,4cyclictest3868-21latency_hist23:06:522
24993991811,4cyclictest8285-21seq23:12:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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