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2026-07-30 - 01:44
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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 Wed Jul 29, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911040,3ptp4l401ktimersoftd/309:12:533
207312900,1sleep10-21swapper/112:07:141
8835997031,15cyclictest9-21ksoftirqd/013:52:000
84152684,10sleep00-21swapper/009:12:310
106891680,1ptp4l401ktimersoftd/313:22:173
8835996654,6cyclictest9-21ksoftirqd/013:31:590
267502620,2sleep20-21swapper/209:51:572
8835996049,6cyclictest9-21ksoftirqd/011:46:550
25212600,1sleep20-21swapper/211:49:202
224052600,2sleep00-21swapper/009:42:000
106891600,1ptp4l401ktimersoftd/313:30:113
106891590,1ptp4l401ktimersoftd/313:11:313
106891590,1ptp4l401ktimersoftd/313:05:503
219562580,2sleep10-21swapper/112:42:071
102002580,4sleep1884299cyclictest11:24:221
8847995728,3cyclictest33-21ksoftirqd/209:21:582
8835995543,6cyclictest9-21ksoftirqd/009:51:540
8835995445,3cyclictest9-21ksoftirqd/011:51:570
106891540,1ptp4l401ktimersoftd/314:19:393
105791540,3getstats46850irq/99-ens3-TxR11:17:173
8835995239,6cyclictest9-21ksoftirqd/012:11:580
164022520,4sleep1884299cyclictest14:16:581
8835995138,7cyclictest9-21ksoftirqd/012:36:580
230662510,2sleep30-21swapper/312:10:533
8842995012,24cyclictest18586-21sh13:45:561
106891490,1ptp4l401ktimersoftd/313:47:043
8847994731,7cyclictest33-21ksoftirqd/211:06:422
8855994635,6cyclictest41-21ksoftirqd/313:17:003
225132460,2sleep20-21swapper/214:22:092
884799457,5cyclictest33-21ksoftirqd/210:52:052
8847994513,10cyclictest33-21ksoftirqd/212:01:562
8855994432,7cyclictest41-21ksoftirqd/312:01:563
8855994419,4cyclictest41-21ksoftirqd/311:52:003
884799447,4cyclictest33-21ksoftirqd/213:02:082
884799442,8cyclictest33-21ksoftirqd/212:25:522
885599436,4cyclictest6203-21kworker/3:109:27:113
8855994314,4cyclictest41-21ksoftirqd/312:21:443
8847994330,3cyclictest33-21ksoftirqd/212:57:152
8847994322,8cyclictest33-21ksoftirqd/213:42:022
8855994215,4cyclictest41-21ksoftirqd/311:47:023
884799426,9cyclictest33-21ksoftirqd/210:26:422
884299422,6cyclictest31865-21apt-get11:46:561
884299422,5cyclictest4352-21apt-get11:51:571
8855994116,3cyclictest41-21ksoftirqd/314:37:003
8855994115,4cyclictest41-21ksoftirqd/314:32:183
885599411,3cyclictest121rcu_preempt13:52:003
884799416,11cyclictest33-21ksoftirqd/214:17:092
884799414,5cyclictest33-21ksoftirqd/214:12:082
884799414,4cyclictest33-21ksoftirqd/212:20:542
8847994135,3cyclictest33-21ksoftirqd/212:46:492
8847994134,3cyclictest33-21ksoftirqd/213:36:592
8835994115,10cyclictest9-21ksoftirqd/013:12:140
106891410,1ptp4l401ktimersoftd/312:01:273
885599405,12cyclictest41-21ksoftirqd/313:57:033
8855994013,4cyclictest41-21ksoftirqd/311:31:443
884799407,7cyclictest33-21ksoftirqd/214:31:022
884799406,4cyclictest33-21ksoftirqd/213:09:572
884799404,9cyclictest33-21ksoftirqd/213:25:522
8847994026,3cyclictest33-21ksoftirqd/210:46:422
8847994026,3cyclictest33-21ksoftirqd/210:46:422
8847994026,3cyclictest33-21ksoftirqd/210:31:592
884799402,3cyclictest121rcu_preempt11:26:562
8847994023,13cyclictest33-21ksoftirqd/213:52:012
8847994021,3cyclictest33-21ksoftirqd/213:16:462
8847994013,9cyclictest33-21ksoftirqd/214:41:482
8835994034,3cyclictest9-21ksoftirqd/012:56:500
106891400,1ptp4l401ktimersoftd/314:22:003
885599391,4cyclictest23685-21munin-run09:46:413
8855993914,4cyclictest41-21ksoftirqd/314:27:013
8855993914,4cyclictest41-21ksoftirqd/312:57:083
8855993911,4cyclictest41-21ksoftirqd/311:42:133
884799399,8cyclictest33-21ksoftirqd/214:45:392
884799395,4cyclictest33-21ksoftirqd/209:41:542
884799394,9cyclictest33-21ksoftirqd/213:50:262
884799393,9cyclictest33-21ksoftirqd/212:07:332
884799393,9cyclictest33-21ksoftirqd/211:52:052
884799393,4cyclictest33-21ksoftirqd/214:32:292
884799393,4cyclictest33-21ksoftirqd/213:35:412
884799393,4cyclictest33-21ksoftirqd/212:35:142
884799393,4cyclictest33-21ksoftirqd/212:35:142
884799393,10cyclictest33-21ksoftirqd/213:17:152
884799392,4cyclictest33-21ksoftirqd/209:57:112
8847993912,15cyclictest33-21ksoftirqd/212:55:292
884299392,5cyclictest0-21swapper/112:31:561
884299392,5cyclictest0-21swapper/112:31:561
8842993915,20cyclictest3442-21/usr/sbin/munin14:37:021
8842993913,22cyclictest20444-21cat10:46:571
8842993913,22cyclictest20444-21cat10:46:571
8835993927,6cyclictest9-21ksoftirqd/010:46:550
8835993927,6cyclictest9-21ksoftirqd/010:46:550
311532390,1sleep10-21swapper/110:01:561
106891390,1ptp4l401ktimersoftd/313:14:563
106891390,1ptp4l401ktimersoftd/312:24:093
885599382,3cyclictest5894-21grep10:16:543
8855993812,4cyclictest41-21ksoftirqd/311:06:563
8855993810,4cyclictest41-21ksoftirqd/311:37:063
884799386,3cyclictest33-21ksoftirqd/211:06:592
884799385,8cyclictest121rcu_preempt12:27:132
884799383,4cyclictest33-21ksoftirqd/211:33:522
8847993831,4cyclictest33-21ksoftirqd/209:16:402
8847993813,10cyclictest33-21ksoftirqd/211:41:442
8842993813,22cyclictest22253-21expr11:36:581
8842993812,22cyclictest6704-21/usr/sbin/munin14:07:021
8842993812,22cyclictest6704-21/usr/sbin/munin14:07:021
8835993815,4cyclictest9-21ksoftirqd/014:02:070
106891380,1ptp4l401ktimersoftd/314:07:503
106891380,1ptp4l401ktimersoftd/314:07:503
106891380,1ptp4l401ktimersoftd/313:38:123
106891380,1ptp4l401ktimersoftd/313:35:063
106891380,1ptp4l401ktimersoftd/312:52:553
106891380,1ptp4l401ktimersoftd/309:16:583
8855993727,4cyclictest41-21ksoftirqd/310:36:553
885599371,5cyclictest12475-21snmp_o5powerctl12:32:113
885599371,5cyclictest12475-21snmp_o5powerctl12:32:113
8855993713,4cyclictest41-21ksoftirqd/314:12:163
8855993713,4cyclictest41-21ksoftirqd/311:12:003
8855993713,3cyclictest41-21ksoftirqd/310:07:013
8855993711,4cyclictest41-21ksoftirqd/313:46:463
8855993711,4cyclictest41-21ksoftirqd/312:12:013
885599370,4cyclictest17277-21ssh12:37:083
884799374,8cyclictest33-21ksoftirqd/213:28:262
8847993731,3cyclictest33-21ksoftirqd/214:06:462
884799373,10cyclictest33-21ksoftirqd/212:38:002
8847993725,3cyclictest33-21ksoftirqd/211:45:202
8847993723,4cyclictest33-21ksoftirqd/214:09:192
8847993723,4cyclictest33-21ksoftirqd/214:09:192
884299379,25cyclictest8101-21sh12:27:241
884299373,5cyclictest0-21swapper/111:11:551
884299373,29cyclictest2183-21ssh11:16:561
884299372,5cyclictest27605-21apt-get13:21:581
884299371,7cyclictest12031-21apt-get11:26:561
8842993714,20cyclictest16048-21if_enp1s0.110:37:001
8842993711,23cyclictest6113-21grep13:32:091
884299370,3cyclictest2739-21snmp_o5powerctl12:22:111
106891370,1ptp4l401ktimersoftd/311:32:503
106891370,1ptp4l401ktimersoftd/310:32:093
885599363,3cyclictest10442-21kworker/u8:010:06:423
885599361,4cyclictest19952-21munin-run10:46:423
885599361,4cyclictest19952-21munin-run10:46:423
8855993611,4cyclictest41-21ksoftirqd/312:42:043
8855993611,3cyclictest41-21ksoftirqd/310:47:003
8855993611,3cyclictest41-21ksoftirqd/310:47:003
885599360,15cyclictest41-21ksoftirqd/310:11:533
884799366,8cyclictest33-21ksoftirqd/212:43:002
8847993631,3cyclictest33-21ksoftirqd/210:26:462
8847993623,3cyclictest33-21ksoftirqd/210:07:002
8847993622,3cyclictest33-21ksoftirqd/211:22:082
884799362,11cyclictest33-21ksoftirqd/212:12:122
884299362,6cyclictest15869-21apt-get12:36:581
884299362,6cyclictest0-21swapper/114:41:591
884299362,6cyclictest0-21swapper/110:26:531
884299362,5cyclictest0-21swapper/110:41:541
884299362,5cyclictest0-21swapper/110:41:541
8842993613,20cyclictest29352-21sh11:43:101
8842993610,23cyclictest10525-21cut10:26:421
883599369,17cyclictest9-21ksoftirqd/009:57:110
883599363,3cyclictest121rcu_preempt12:22:010
8835993624,3cyclictest9-21ksoftirqd/012:48:340
8835993620,4cyclictest9-21ksoftirqd/014:12:150
8835993612,4cyclictest9-21ksoftirqd/009:37:110
72982367,12sleep10-21swapper/109:12:001
106891360,1ptp4l401ktimersoftd/314:45:073
885599350,4cyclictest26500-21ps12:47:023
8847993529,3cyclictest33-21ksoftirqd/210:06:422
8847993528,4cyclictest33-21ksoftirqd/210:12:002
884799351,9cyclictest1-21systemd09:21:402
884799351,4cyclictest33-21ksoftirqd/213:58:002
884299352,10cyclictest26223-21apt-get14:26:591
8842993513,19cyclictest20454-21sh13:13:301
8842993512,20cyclictest24280-21sed13:17:151
8842993512,20cyclictest14277-21sh13:41:461
8842993511,21cyclictest21556-21sh13:47:371
8835993512,4cyclictest9-21ksoftirqd/009:26:540
885599348,4cyclictest41-21ksoftirqd/309:46:573
885599347,4cyclictest41-21ksoftirqd/314:02:123
885599342,3cyclictest41-21ksoftirqd/311:23:553
885599340,4cyclictest10924-21grep10:26:553
884799346,4cyclictest33-21ksoftirqd/211:20:452
884799343,10cyclictest33-21ksoftirqd/209:47:042
8847993427,4cyclictest33-21ksoftirqd/209:27:112
884799342,11cyclictest33-21ksoftirqd/210:47:132
884799342,11cyclictest33-21ksoftirqd/210:47:132
884799341,8cyclictest33-21ksoftirqd/211:11:572
8847993411,10cyclictest33-21ksoftirqd/209:36:412
884799340,3cyclictest121rcu_preempt11:56:572
884299346,7cyclictest0-21swapper/113:52:041
884299343,8cyclictest25801-21apt-get12:46:561
884299342,7cyclictest8140-21apt-get13:01:571
8842993417,14cyclictest25-21ksoftirqd/109:41:201
8842993410,3cyclictest30387-21unixbench_singl09:57:111
883599346,4cyclictest4402-1kworker/u9:113:44:230
8835993421,4cyclictest9-21ksoftirqd/013:02:080
8835993420,4cyclictest9-21ksoftirqd/011:22:110
8835993419,4cyclictest9-21ksoftirqd/014:17:090
106891340,1ptp4l401ktimersoftd/312:31:343
885599338,4cyclictest41-21ksoftirqd/310:51:533
885599336,4cyclictest41-21ksoftirqd/310:57:003
885599332,4cyclictest14188-21cron09:26:403
8847993327,3cyclictest33-21ksoftirqd/210:16:492
884299338,3cyclictest10146-21cut11:57:041
884299336,24cyclictest0-21swapper/112:58:421
884299332,6cyclictest26366-21apt-get09:51:531
884299331,9cyclictest31515-21rm12:18:421
8842993312,18cyclictest1750-21diskmemload12:13:271
884299331,10cyclictest13604-21rm14:12:291
8842993310,4cyclictest12289-21cstates09:21:551
8835993327,3cyclictest9-21ksoftirqd/012:17:010
8835993327,3cyclictest9-21ksoftirqd/011:06:430
8835993316,7cyclictest9-21ksoftirqd/010:36:410
8835993315,7cyclictest9-21ksoftirqd/014:36:480
885599323,3cyclictest41-21ksoftirqd/310:21:423
8847993227,3cyclictest33-21ksoftirqd/209:36:582
8847993226,3cyclictest33-21ksoftirqd/211:01:432
884299329,3cyclictest5997-21sh14:06:111
884299328,4cyclictest47050irq/101-ens3-Tx11:31:441
884299328,4cyclictest30736-21missed_timers11:07:031
884299327,4cyclictest13433-21cut13:07:031
884299322,10cyclictest24995-21apt-get10:56:561
8842993211,18cyclictest4420-21sh13:31:381
8842993210,3cyclictest4142-21sed10:12:011
884299320,11cyclictest16735-21ssh12:03:301
883599323,7cyclictest6657-1kworker/u9:212:01:450
8835993227,3cyclictest9-21ksoftirqd/013:26:460
8835993226,3cyclictest9-21ksoftirqd/012:32:000
8835993226,3cyclictest9-21ksoftirqd/012:32:000
8835993218,5cyclictest9-21ksoftirqd/013:09:570
8835993216,4cyclictest9-21ksoftirqd/011:21:430
885599314,4cyclictest41-21ksoftirqd/309:32:003
885599311,3cyclictest0-21swapper/309:52:103
8847993110,12cyclictest33-21ksoftirqd/210:37:032
884299318,4cyclictest9400-21fschecks_count09:16:561
884299318,3cyclictest1055-21runrttasks10:52:211
884299317,4cyclictest22283-21irqrtprio14:22:071
884299311,4cyclictest0-21swapper/110:31:551
8842993112,16cyclictest25-21ksoftirqd/111:05:191
8842993110,4cyclictest1778-21cut10:07:011
8842993110,3cyclictest24482-21smartctl09:46:581
884299310,9cyclictest31546-21rm13:57:421
884299310,4cyclictest1232-21rm12:54:161
883599319,9cyclictest9-21ksoftirqd/012:27:030
883599312,4cyclictest9020-1kworker/u9:214:10:330
883599312,4cyclictest9020-1kworker/u9:214:10:330
883599312,4cyclictest11667-1kworker/u9:012:01:170
8835993121,3cyclictest9-21ksoftirqd/014:00:500
8835993116,4cyclictest9-21ksoftirqd/013:37:000
8835993116,4cyclictest9-21ksoftirqd/012:52:130
8835993112,7cyclictest9-21ksoftirqd/011:31:440
885599305,4cyclictest41-21ksoftirqd/311:01:593
884299307,3cyclictest32082-21latency14:32:081
884299301,3cyclictest15856-21snmp_o5powerctl09:27:051
884299300,9cyclictest6190-21gltestperf10:16:571
883599302,7cyclictest121rcu_preempt13:19:350
8835993025,3cyclictest9-21ksoftirqd/014:42:030
8835993025,3cyclictest9-21ksoftirqd/012:46:450
8835993024,3cyclictest9-21ksoftirqd/009:21:410
8835993016,4cyclictest9-21ksoftirqd/014:27:370
8835993015,5cyclictest9-21ksoftirqd/012:08:300
8835993015,4cyclictest9-21ksoftirqd/013:51:030
8835993014,4cyclictest9-21ksoftirqd/014:37:160
885599291,4cyclictest30080-21snmp_o5powerctl09:57:093
8835992924,3cyclictest9-21ksoftirqd/009:21:410
8835992923,3cyclictest9-21ksoftirqd/010:06:420
8835992916,7cyclictest9-21ksoftirqd/010:56:550
8835992915,4cyclictest9-21ksoftirqd/011:37:010
8835992914,4cyclictest9-21ksoftirqd/011:32:040
8835992914,4cyclictest9-21ksoftirqd/011:16:430
8835992913,5cyclictest9-21ksoftirqd/010:22:070
8855992823,3cyclictest41-21ksoftirqd/309:36:533
883599281,5cyclictest21937-1kworker/u9:013:29:560
8835992813,4cyclictest9-21ksoftirqd/011:42:140
883599279,5cyclictest9-21ksoftirqd/010:36:590
8835992722,3cyclictest9-21ksoftirqd/014:26:480
8835992720,4cyclictest9-21ksoftirqd/010:07:010
8835992712,4cyclictest9-21ksoftirqd/009:47:040
8835992711,5cyclictest9-21ksoftirqd/009:36:410
884299266,3cyclictest22172-21modprobe09:41:581
8835992610,4cyclictest9-21ksoftirqd/010:17:100
884299257,3cyclictest17238-21fschecks_time09:31:571
883599258,9cyclictest9-21ksoftirqd/010:26:550
883599256,9cyclictest9-21ksoftirqd/010:51:550
8835992519,3cyclictest9-21ksoftirqd/011:11:430
8835992519,3cyclictest9-21ksoftirqd/010:41:530
8835992519,3cyclictest9-21ksoftirqd/010:41:530
8835992518,4cyclictest9-21ksoftirqd/010:15:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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