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2026-08-23 - 14:09
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Sun Aug 23, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2126321790,5sleep2533799cyclictest02:35:182
1727021530,4sleep3534899cyclictest02:30:373
1519221490,4sleep2533799cyclictest02:28:352
194921480,4sleep0532699cyclictest00:05:280
2343621460,5sleep0532699cyclictest23:55:000
2500321080,4sleep125-21ksoftirqd/101:00:381
1068911020,4ptp4l401ktimersoftd/321:28:463
271602660,4sleep1533299cyclictest23:57:581
532699640,3cyclictest46950irq/100-ens3-Tx02:07:380
532699621,3cyclictest816-21ssh00:04:530
83262590,3sleep3534899cyclictest00:44:503
310452580,1sleep20-21swapper/200:35:092
49242525,36sleep00-21swapper/021:26:170
5337995038,7cyclictest33-21ksoftirqd/222:20:252
93272480,2sleep10-21swapper/121:35:301
532699482,37cyclictest21547-21apt-get02:35:300
532699480,3cyclictest31296-21diskmemload00:29:230
532699471,3cyclictest5214-21awk00:40:360
50242474,32sleep10-21swapper/121:27:351
533299433,11cyclictest21685-21ssh00:25:291
5332994317,4cyclictest20818-21tail23:50:441
533299423,12cyclictest29136-21ssh01:05:281
532699420,2cyclictest0-21swapper/002:18:160
532699412,33cyclictest6816-21apt-get00:10:260
532699412,33cyclictest11498-21apt-get01:20:280
534899400,19cyclictest0-21swapper/322:50:273
532699402,31cyclictest23069-21apt-get22:05:240
5326994013,24cyclictest32315-21sed00:35:340
532699400,5cyclictest2844-21grep01:10:390
492124017,11sleep233-21ksoftirqd/221:26:152
532699393,33cyclictest13101-21sed22:50:290
532699392,31cyclictest14127-21apt-get00:50:290
532699392,30cyclictest8618-21apt-get21:35:250
532699392,30cyclictest301-21apt-get22:25:250
532699391,33cyclictest6632-21apt-get02:20:310
5326993913,23cyclictest21155-21wc02:35:180
532699391,29cyclictest25433-21apt-get22:10:250
532699390,4cyclictest20384-21grep00:55:390
532699390,4cyclictest13014-21snmp_o5powerctl02:25:450
532699390,4cyclictest11005-21irqrtprio22:45:320
532699390,35cyclictest26795-21/usr/sbin/munin23:20:300
106891390,1ptp4l401ktimersoftd/323:57:153
106891390,1ptp4l401ktimersoftd/300:02:013
5348993818,17cyclictest15891-21sed00:50:453
5348993817,18cyclictest31633-21basename01:40:293
532699383,29cyclictest24485-21apt-get23:15:250
532699382,30cyclictest15002-21apt-get22:55:250
532699382,29cyclictest9070-21apt-get01:50:290
532699381,33cyclictest22031-21sensors22:00:340
5326993812,23cyclictest13561-21expr21:45:250
5326993810,25cyclictest29559-21awk02:10:350
532699380,5cyclictest22797-21chrt02:03:520
532699380,4cyclictest30593-21snmp_o5powerctl01:05:430
532699380,4cyclictest28266-21sed02:40:490
532699380,4cyclictest27033-21grep01:35:320
532699380,35cyclictest10330-21grep23:40:360
106891380,1ptp4l401ktimersoftd/323:49:493
106891380,1ptp4l401ktimersoftd/302:52:483
106891380,1ptp4l401ktimersoftd/302:39:593
106891380,1ptp4l401ktimersoftd/301:56:183
106891380,1ptp4l401ktimersoftd/301:28:563
106891380,1ptp4l401ktimersoftd/301:22:463
106891380,1ptp4l401ktimersoftd/300:11:173
534899373,26cyclictest6568-21apt-get01:15:303
534899371,16cyclictest24949-21ssh00:28:113
532699372,29cyclictest3939-21apt-get02:50:310
532699372,29cyclictest31424-21apt-get02:45:300
532699372,29cyclictest18318-21apt-get21:55:250
532699372,28cyclictest5297-21apt-get22:35:240
532699371,31cyclictest0-21swapper/001:00:310
5326993710,24cyclictest31989-21seq22:22:020
532699370,4cyclictest26476-21ssh23:56:490
532699370,4cyclictest17500-21expr23:00:280
532699370,4cyclictest14117-21apt-get23:45:250
532699370,3cyclictest8504-21ssh01:15:550
532699370,2cyclictest0-21swapper/022:15:320
106891370,1ptp4l401ktimersoftd/323:52:223
106891370,1ptp4l401ktimersoftd/323:41:333
106891370,1ptp4l401ktimersoftd/323:37:153
106891370,1ptp4l401ktimersoftd/302:57:123
106891370,1ptp4l401ktimersoftd/302:57:123
106891370,1ptp4l401ktimersoftd/302:48:223
106891370,1ptp4l401ktimersoftd/302:28:513
106891370,1ptp4l401ktimersoftd/302:23:533
106891370,1ptp4l401ktimersoftd/302:18:023
106891370,1ptp4l401ktimersoftd/302:08:323
106891370,1ptp4l401ktimersoftd/302:00:233
106891370,1ptp4l401ktimersoftd/301:52:383
106891370,1ptp4l401ktimersoftd/301:32:543
106891370,1ptp4l401ktimersoftd/301:11:273
106891370,1ptp4l401ktimersoftd/301:10:043
106891370,1ptp4l401ktimersoftd/300:55:493
106891370,1ptp4l401ktimersoftd/300:47:503
106891370,1ptp4l401ktimersoftd/300:32:263
106891370,1ptp4l401ktimersoftd/300:06:413
106891370,0ptp4l401ktimersoftd/323:33:243
106891370,0ptp4l401ktimersoftd/301:03:483
532699363,27cyclictest11785-21apt-get00:15:260
532699362,28cyclictest8859-21apt-get02:55:310
532699362,28cyclictest8859-21apt-get02:55:310
532699362,28cyclictest15739-21apt-get21:50:240
532699360,4cyclictest9039-21snmp_o5powerctl22:40:400
532699360,4cyclictest5696-21snmp_o5powerctl23:35:410
532699360,3cyclictest3402-21ssh23:34:330
532699360,3cyclictest1912-21sshd01:42:120
106891360,1ptp4l401ktimersoftd/321:53:083
106891360,1ptp4l401ktimersoftd/302:13:303
106891360,1ptp4l401ktimersoftd/300:35:353
106891360,1ptp4l401ktimersoftd/300:22:263
106891360,1ptp4l401ktimersoftd/300:16:163
106891360,0ptp4l401ktimersoftd/322:21:583
106891360,0ptp4l401ktimersoftd/301:38:493
534899351,30cyclictest23891-21irqrtprio22:05:313
532699351,28cyclictest9217-21ssh00:45:280
5326993511,21cyclictest1055-21runrttasks21:32:560
532699350,3cyclictest46950irq/100-ens3-Tx01:55:280
532699350,3cyclictest31296-21diskmemload01:27:070
532699350,2cyclictest0-21swapper/022:30:230
106891350,0ptp4l401ktimersoftd/323:12:453
534899342,25cyclictest11005-21apt-get21:40:223
534899342,25cyclictest11005-21apt-get21:40:223
5348993417,14cyclictest6090-21sh01:45:543
5348993415,16cyclictest19068-21uptime23:00:443
532699340,2cyclictest0-21swapper/001:48:240
532699340,2cyclictest0-21swapper/000:24:220
534899334,22cyclictest20700-21apt-get22:00:223
5348993315,16cyclictest14476-21phc2sys21:45:333
5348993313,17cyclictest8124-21if_enp1s0.121:35:133
532699337,22cyclictest26410-21latency_hist01:35:170
532699331,29cyclictest29711-21gltestperf23:25:310
532699330,4cyclictest28057-21snmp_o5powerctl00:30:420
532699330,2cyclictest0-21swapper/023:05:440
534899320,29cyclictest16384-21sed22:55:413
534899320,28cyclictest20213-21sed23:05:313
534899320,28cyclictest11118-21cut22:45:323
533799321,6cyclictest10928-21/usr/sbin/munin21:40:242
533799321,6cyclictest10928-21/usr/sbin/munin21:40:242
532699328,21cyclictest12238-21grep21:40:330
532699328,21cyclictest12238-21grep21:40:330
532699324,24cyclictest24312-21latency_hist23:15:130
229322320,2sleep10-21swapper/101:30:371
534899312,23cyclictest7692-21chrt22:40:243
534899310,28cyclictest6924-21seq21:30:363
5337993125,3cyclictest33-21ksoftirqd/200:00:142
534899302,21cyclictest29241-21apt-get23:25:273
5348993014,13cyclictest401ktimersoftd/323:20:383
534899301,24cyclictest2851-21munin-node22:30:233
534899300,26cyclictest28006-21cat22:15:253
5337993020,5cyclictest321ktimersoftd/201:15:302
106891300,1ptp4l401ktimersoftd/322:35:303
534899299,17cyclictest2411-21latency_hist22:30:133
534899298,17cyclictest24431-21acpi23:15:253
533799296,15cyclictest21778-21ssh01:30:282
533799293,22cyclictest0-21swapper/201:55:292
5337992923,3cyclictest33-21ksoftirqd/203:00:182
5337992923,3cyclictest33-21ksoftirqd/203:00:182
1663322922,3sleep125-21ksoftirqd/102:30:321
106891290,1ptp4l401ktimersoftd/321:55:163
534899280,25cyclictest28077-21/usr/sbin/munin02:40:483
5337992823,3cyclictest33-21ksoftirqd/202:40:182
5337992823,3cyclictest33-21ksoftirqd/201:00:162
5337992823,3cyclictest33-21ksoftirqd/200:35:272
5332992823,3cyclictest25-21ksoftirqd/101:00:151
5332992821,4cyclictest25-21ksoftirqd/102:20:311
5332992820,4cyclictest25-21ksoftirqd/101:52:091
534899271,22cyclictest26282-21cut22:10:313
5337992722,3cyclictest33-21ksoftirqd/200:50:352
5337992721,3cyclictest33-21ksoftirqd/202:45:312
5337992720,4cyclictest33-21ksoftirqd/221:30:232
5337992716,7cyclictest321ktimersoftd/223:00:272
5337992712,11cyclictest19897-21cpuspeed_turbos23:05:282
5332992720,4cyclictest25-21ksoftirqd/123:47:591
5337992622,3cyclictest33-21ksoftirqd/201:52:282
5337992621,3cyclictest33-21ksoftirqd/223:35:252
5337992620,3cyclictest33-21ksoftirqd/223:30:282
5337992620,3cyclictest33-21ksoftirqd/202:40:512
5337992619,4cyclictest33-21ksoftirqd/222:39:232
5332992619,4cyclictest25-21ksoftirqd/122:46:201
5332992619,4cyclictest25-21ksoftirqd/121:41:371
5332992619,4cyclictest25-21ksoftirqd/121:41:371
5332992613,8cyclictest47050irq/101-ens3-Tx02:05:301
11812260,3sleep11191-21ssh02:46:221
5337992521,3cyclictest33-21ksoftirqd/201:03:592
5337992520,3cyclictest33-21ksoftirqd/221:45:342
5337992520,3cyclictest33-21ksoftirqd/200:15:362
5337992519,4cyclictest33-21ksoftirqd/201:25:162
5337992519,3cyclictest33-21ksoftirqd/223:11:052
5337992519,3cyclictest33-21ksoftirqd/222:55:412
5337992519,3cyclictest33-21ksoftirqd/222:25:262
5337992518,4cyclictest33-21ksoftirqd/222:41:352
5337992518,4cyclictest33-21ksoftirqd/222:08:552
5337992518,4cyclictest33-21ksoftirqd/221:52:502
5332992519,3cyclictest25-21ksoftirqd/122:25:121
5332992518,4cyclictest28183-21grep22:15:271
5332992518,4cyclictest25-21ksoftirqd/123:07:081
5332992518,4cyclictest25-21ksoftirqd/122:52:591
5332992518,4cyclictest25-21ksoftirqd/101:20:411
5332992518,4cyclictest25-21ksoftirqd/100:41:431
533799242,12cyclictest31658-21ssh01:40:292
5337992419,3cyclictest33-21ksoftirqd/223:20:332
5337992419,3cyclictest33-21ksoftirqd/202:17:472
5337992419,3cyclictest33-21ksoftirqd/201:25:172
5337992418,3cyclictest33-21ksoftirqd/202:55:192
5337992418,3cyclictest33-21ksoftirqd/200:45:152
5337992418,3cyclictest33-21ksoftirqd/200:25:402
5337992417,4cyclictest33-21ksoftirqd/223:28:202
5332992418,3cyclictest25-21ksoftirqd/122:06:411
5332992417,4cyclictest25-21ksoftirqd/121:54:411
5332992417,4cyclictest25-21ksoftirqd/102:02:491
5332992417,4cyclictest25-21ksoftirqd/101:47:071
5337992318,3cyclictest33-21ksoftirqd/223:50:342
5337992318,3cyclictest33-21ksoftirqd/222:00:242
5337992318,3cyclictest33-21ksoftirqd/200:25:162
5337992318,3cyclictest33-21ksoftirqd/200:10:332
5337992317,3cyclictest33-21ksoftirqd/223:16:502
5337992317,3cyclictest33-21ksoftirqd/221:57:212
5337992316,4cyclictest33-21ksoftirqd/222:11:492
5337992316,4cyclictest33-21ksoftirqd/221:36:322
5337992316,4cyclictest33-21ksoftirqd/201:37:412
5332992317,3cyclictest25-21ksoftirqd/123:13:531
5332992317,3cyclictest25-21ksoftirqd/122:42:121
5332992316,4cyclictest25-21ksoftirqd/122:34:401
5332992316,4cyclictest25-21ksoftirqd/121:32:131
533299231,19cyclictest9908-21memory02:55:391
533299231,19cyclictest9908-21memory02:55:391
533299231,19cyclictest15945-21unixbench_singl00:50:451
533299230,20cyclictest1503-21ssh01:41:291
5337992217,3cyclictest33-21ksoftirqd/222:50:292
5337992217,3cyclictest33-21ksoftirqd/202:05:332
5337992216,3cyclictest33-21ksoftirqd/222:16:002
5332992217,3cyclictest25-21ksoftirqd/100:10:161
5332992216,3cyclictest31296-21diskmemload00:37:241
5332992216,3cyclictest25-21ksoftirqd/122:35:211
5332992215,4cyclictest25-21ksoftirqd/122:13:081
5332992215,4cyclictest25-21ksoftirqd/122:00:521
5332992215,4cyclictest25-21ksoftirqd/101:55:261
533299221,18cyclictest6461-21latency_hist00:10:151
533299220,3cyclictest121rcu_preempt01:36:101
5337992117,3cyclictest33-21ksoftirqd/222:47:012
5337992116,3cyclictest33-21ksoftirqd/201:45:372
5337992115,4cyclictest33-21ksoftirqd/202:22:312
5337992115,3cyclictest33-21ksoftirqd/222:31:552
5337992114,4cyclictest19550-21grep02:00:342
5337992114,4cyclictest1125-21apt-config00:05:152
5337992113,5cyclictest14573-21ssh23:45:302
533299214,11cyclictest9224-21ssh00:45:291
533299214,10cyclictest28947-21ssh00:00:261
533299213,12cyclictest9218-21ssh23:40:281
533299213,12cyclictest28964-21ssh02:10:301
533299212,7cyclictest0-21swapper/100:15:261
5332992116,3cyclictest25-21ksoftirqd/123:25:261
5332992115,3cyclictest25-21ksoftirqd/123:15:231
5332992115,3cyclictest25-21ksoftirqd/101:17:161
5332992114,4cyclictest3998-21cpu02:50:321
5332992114,4cyclictest27302-21grep00:30:341
5332992114,4cyclictest21161-21cron01:30:161
5332992113,4cyclictest2032-21fschecks_time01:10:331
533299211,17cyclictest0-21swapper/123:38:511
291392211,16sleep229388-21df01:05:302
5337992014,3cyclictest3908-21sh00:06:232
5337992013,4cyclictest31296-21diskmemload02:10:322
5337992013,4cyclictest11267-21sh23:41:062
5332992014,3cyclictest17775-21sh00:20:351
5332992013,4cyclictest32256-21apt-get22:25:141
5332992013,4cyclictest26690-21cstates02:40:331
5332992013,4cyclictest21947-21fschecks_time02:35:351
5332992013,4cyclictest12963-21mailstats02:25:431
5332992012,5cyclictest18568-21df21:55:271
533299201,16cyclictest4479-21ssh02:17:461
533299201,16cyclictest0-21swapper/123:33:261
5332992010,7cyclictest17856-21gltestperf23:00:311
5337991913,3cyclictest33-21ksoftirqd/201:10:452
5337991912,4cyclictest9457-21expr00:45:302
5332991913,3cyclictest28265-21switchtime23:20:431
5332991913,3cyclictest13623-21sh21:45:251
5332991812,4cyclictest14942-21cat22:55:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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