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2025-12-07 - 19:25
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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 Sun Dec 07, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169821590,4sleep02349199cyclictest12:40:160
177391930,4ptp4l401ktimersoftd/308:24:383
177391720,1ptp4l401ktimersoftd/310:55:363
177391710,1ptp4l401ktimersoftd/311:51:473
184122680,3sleep20-21swapper/211:43:012
177391680,1ptp4l401ktimersoftd/312:40:033
177391680,1ptp4l401ktimersoftd/312:24:203
240192670,2sleep10-21swapper/113:06:021
281602630,3sleep22350399cyclictest11:55:292
153512630,4sleep32350799cyclictest13:31:183
177391620,1ptp4l401ktimersoftd/310:11:443
2349199589,25cyclictest31835-21grep08:41:060
177391570,1ptp4l401ktimersoftd/312:42:133
177391560,1ptp4l401ktimersoftd/310:42:503
177391560,1ptp4l401ktimersoftd/309:45:283
177391550,1ptp4l401ktimersoftd/311:32:533
258222540,2sleep30-21swapper/309:36:123
177391530,1ptp4l401ktimersoftd/311:59:193
25192510,5sleep02522-21unixbench-2d13:51:260
326452500,2sleep20-21swapper/213:50:402
177391480,10ptp4l401ktimersoftd/310:27:283
231182464,29sleep10-21swapper/108:22:141
23503994537,4cyclictest33-21ksoftirqd/213:26:082
177391450,2ptp4l16556-21kworker/3:013:14:503
129842450,1sleep10-21swapper/113:29:071
23491994435,5cyclictest9-21ksoftirqd/012:11:090
2349199443,34cyclictest555-21apt-get12:01:070
177391440,13ptp4l14773-21kworker/3:108:39:153
2349199433,36cyclictest20043-21cut13:01:120
2349199433,36cyclictest20043-21cut13:01:120
177391430,1ptp4l401ktimersoftd/310:40:533
2349199422,33cyclictest28373-21apt-get13:46:090
177391420,2ptp4l28872-21kworker/3:211:20:503
177391420,1ptp4l401ktimersoftd/309:25:593
2349199403,29cyclictest9919-21apt-get10:56:030
2349199400,5cyclictest32720-21cat13:15:570
177391400,1ptp4l401ktimersoftd/312:12:203
2350799392,34cyclictest25819-21sh08:30:503
2349199392,31cyclictest64-21kswapd013:41:090
2349199391,33cyclictest0-21swapper/012:16:070
2349199390,4cyclictest24748-21if_ens313:06:160
2349199390,3cyclictest0-21swapper/011:11:260
2349199390,3cyclictest0-21swapper/011:11:260
177391390,1ptp4l401ktimersoftd/313:53:323
177391390,1ptp4l401ktimersoftd/313:49:153
177391390,1ptp4l401ktimersoftd/311:27:343
2349199381,32cyclictest0-21swapper/012:41:090
2349199381,32cyclictest0-21swapper/011:31:050
23491993813,22cyclictest12770-21sh13:28:420
23491993810,25cyclictest22232-21taskset13:39:260
2349199380,4cyclictest25248-21latency_hist09:35:510
2349199380,4cyclictest23438-21snmp_o5powerctl12:26:310
177391380,1ptp4l401ktimersoftd/313:44:013
177391380,1ptp4l401ktimersoftd/312:34:153
177391380,1ptp4l401ktimersoftd/311:38:463
177391380,1ptp4l401ktimersoftd/311:13:493
177391380,1ptp4l401ktimersoftd/311:13:493
177391380,1ptp4l401ktimersoftd/311:05:023
177391380,1ptp4l401ktimersoftd/310:30:573
177391380,0ptp4l401ktimersoftd/313:01:583
177391380,0ptp4l401ktimersoftd/313:01:583
23503993728,5cyclictest33-21ksoftirqd/211:21:082
23503993723,8cyclictest33-21ksoftirqd/213:21:092
2349199371,3cyclictest23493-21sed08:25:500
2349199371,33cyclictest0-21swapper/012:31:090
23491993713,21cyclictest25476-21/usr/sbin/munin10:36:110
2349199371,30cyclictest14320-21apt-get13:31:090
23491993711,23cyclictest6558-21sed12:06:320
2349199370,4cyclictest7919-21find12:46:200
2349199370,4cyclictest7257-21grep08:56:110
2349199370,4cyclictest25807-21grep09:36:110
2349199370,4cyclictest14944-21cut12:55:560
2349199370,3cyclictest6496-21chrt11:30:100
2349199370,3cyclictest4811-21apt-key13:20:570
2349199370,3cyclictest25814-21idleruntime-cro08:30:500
2349199370,3cyclictest23963-21grep11:50:550
2349199370,3cyclictest22255-21sed11:10:540
2349199370,3cyclictest22255-21sed11:10:540
177391370,2ptp4l28872-21kworker/3:211:43:273
177391370,1ptp4l401ktimersoftd/313:00:513
177391370,1ptp4l401ktimersoftd/312:30:063
177391370,0ptp4l401ktimersoftd/312:17:283
2349199368,25cyclictest30469-21cut10:41:130
2349199362,5cyclictest17445-21apt-get12:21:080
2349199362,30cyclictest0-21swapper/011:16:060
2349199362,29cyclictest0-21swapper/009:56:050
2349199361,30cyclictest0-21swapper/010:51:050
23491993611,22cyclictest4075-21expr08:51:040
2349199360,5cyclictest17016-21dpkg10:26:050
2349199360,3cyclictest29992-21irqrtprio08:36:100
2349199360,3cyclictest20520-21sed09:25:510
2349199360,3cyclictest20520-21sed09:25:510
177391360,1ptp4l401ktimersoftd/313:06:153
177391360,1ptp4l401ktimersoftd/312:47:543
177391360,1ptp4l401ktimersoftd/312:05:263
177391360,1ptp4l401ktimersoftd/311:22:003
177391360,1ptp4l401ktimersoftd/310:25:273
177391360,0ptp4l401ktimersoftd/310:15:553
23503993526,7cyclictest33-21ksoftirqd/210:26:052
2349199359,23cyclictest10828-21cat09:05:510
2349199358,23cyclictest13248-21grep10:16:130
2349199353,28cyclictest16641-21latency_hist10:25:530
2349199352,2cyclictest0-21swapper/010:31:330
2349199351,29cyclictest0-21swapper/009:06:020
23491993511,21cyclictest15863-21/usr/sbin/munin09:16:110
2349199350,5cyclictest5272-21/usr/sbin/munin13:21:170
2349199350,4cyclictest31517-21snmp_o5powerctl09:46:200
2349199350,3cyclictest2622-21ssh11:25:540
2349199350,3cyclictest16639-21diskmemload11:58:110
2349199350,3cyclictest16639-21diskmemload11:54:590
2349199350,3cyclictest16639-21diskmemload11:38:220
2349199350,3cyclictest15808-21wc09:15:510
2349199350,3cyclictest10265-21expr10:11:080
177391350,1ptp4l401ktimersoftd/309:01:033
177391350,0ptp4l401ktimersoftd/312:54:023
177391350,0ptp4l401ktimersoftd/310:46:053
23503993429,3cyclictest33-21ksoftirqd/210:35:532
23503993428,3cyclictest33-21ksoftirqd/212:21:102
23503993419,8cyclictest321ktimersoftd/209:01:022
2349199348,23cyclictest6618-21grep10:01:210
23491993411,20cyclictest1914-21head08:46:060
23491993411,20cyclictest16639-21diskmemload11:04:390
23491993410,21cyclictest21203-21if_enp1s009:26:090
2349199340,3cyclictest3840-21ssh10:47:450
2349199340,3cyclictest29785-21chrt09:45:000
2349199340,2cyclictest0-21swapper/012:57:440
177391340,2ptp4l16556-21kworker/3:013:19:223
177391340,1ptp4l401ktimersoftd/313:26:123
177391340,0ptp4l401ktimersoftd/312:07:213
177391340,0ptp4l401ktimersoftd/311:50:033
23503993328,3cyclictest33-21ksoftirqd/213:16:152
23503993327,3cyclictest33-21ksoftirqd/209:41:132
23503993320,7cyclictest33-21ksoftirqd/211:01:072
23491993310,20cyclictest17361-21sed11:41:250
177391330,1ptp4l401ktimersoftd/311:07:153
177391330,1ptp4l401ktimersoftd/311:07:153
177391330,1ptp4l401ktimersoftd/309:06:203
177391330,1ptp4l14773-21kworker/3:109:21:233
177391330,1ptp4l14773-21kworker/3:109:21:233
2349199329,20cyclictest9507-21latency_hist10:10:520
2349199327,21cyclictest28857-21latency_hist08:35:510
2349199320,4cyclictest1471-21snmp_o5powerctl09:51:320
177391320,10ptp4l401ktimersoftd/308:33:473
177391320,0ptp4l401ktimersoftd/313:40:113
23503993126,3cyclictest33-21ksoftirqd/211:31:122
23503993125,3cyclictest33-21ksoftirqd/212:26:232
23503993125,3cyclictest33-21ksoftirqd/210:01:102
23503993125,3cyclictest33-21ksoftirqd/209:35:512
232882319,11sleep233-21ksoftirqd/208:24:292
177391310,1ptp4l401ktimersoftd/309:45:593
177391310,1ptp4l401ktimersoftd/309:19:223
23503993025,3cyclictest33-21ksoftirqd/213:51:102
23503993025,3cyclictest33-21ksoftirqd/211:46:072
23503993024,3cyclictest33-21ksoftirqd/212:16:142
23503993024,3cyclictest33-21ksoftirqd/210:11:052
23503993024,3cyclictest33-21ksoftirqd/209:36:142
23503993016,8cyclictest33-21ksoftirqd/211:06:062
23503993016,8cyclictest33-21ksoftirqd/211:06:062
2349799306,14cyclictest790-21ssh13:51:091
23497993024,3cyclictest25-21ksoftirqd/112:06:311
23497993023,4cyclictest25-21ksoftirqd/109:21:041
23497993023,4cyclictest25-21ksoftirqd/109:21:041
23503992924,3cyclictest33-21ksoftirqd/212:31:162
23503992923,3cyclictest33-21ksoftirqd/212:00:552
23503992923,3cyclictest33-21ksoftirqd/210:40:462
23503992917,9cyclictest33-21ksoftirqd/212:41:262
2349799292,13cyclictest29594-21runrttasks10:41:061
23507992822,4cyclictest41-21ksoftirqd/309:15:443
23503992823,3cyclictest33-21ksoftirqd/211:26:072
23503992823,3cyclictest33-21ksoftirqd/211:15:532
23503992823,3cyclictest33-21ksoftirqd/211:15:532
23503992823,3cyclictest33-21ksoftirqd/210:16:112
23503992823,3cyclictest33-21ksoftirqd/208:46:092
23503992822,3cyclictest33-21ksoftirqd/213:01:122
23503992822,3cyclictest33-21ksoftirqd/213:01:122
23503992822,3cyclictest33-21ksoftirqd/212:01:082
23503992822,3cyclictest33-21ksoftirqd/210:50:212
23503992822,3cyclictest33-21ksoftirqd/209:46:102
23503992822,3cyclictest33-21ksoftirqd/208:31:002
23503992821,5cyclictest33-21ksoftirqd/212:36:272
2136222821,3sleep125-21ksoftirqd/112:25:571
177391280,1ptp4l401ktimersoftd/310:04:423
177391280,0ptp4l401ktimersoftd/309:34:473
23503992722,3cyclictest33-21ksoftirqd/213:11:112
23503992721,3cyclictest33-21ksoftirqd/212:06:092
23503992721,3cyclictest33-21ksoftirqd/210:41:252
23503992720,4cyclictest33-21ksoftirqd/209:53:452
23497992722,3cyclictest25-21ksoftirqd/113:33:531
23497992722,3cyclictest25-21ksoftirqd/110:36:111
177391270,1ptp4l401ktimersoftd/313:21:123
97352260,4sleep22350399cyclictest12:11:152
23507992619,4cyclictest41-21ksoftirqd/308:58:463
23503992622,3cyclictest33-21ksoftirqd/212:46:202
23503992621,3cyclictest33-21ksoftirqd/213:41:172
23503992621,3cyclictest33-21ksoftirqd/211:16:082
23503992621,3cyclictest33-21ksoftirqd/210:06:092
23503992621,3cyclictest33-21ksoftirqd/209:10:502
23503992620,4cyclictest33-21ksoftirqd/208:28:062
23503992620,3cyclictest33-21ksoftirqd/210:56:052
23503992620,3cyclictest33-21ksoftirqd/210:55:532
23503992620,3cyclictest33-21ksoftirqd/209:58:072
23503992620,3cyclictest33-21ksoftirqd/208:58:502
23503992613,6cyclictest33-21ksoftirqd/208:51:032
23497992619,4cyclictest25-21ksoftirqd/110:08:411
23497992619,4cyclictest25-21ksoftirqd/108:39:291
177391260,1ptp4l401ktimersoftd/310:08:033
177391260,1ptp4l401ktimersoftd/308:45:243
177391260,0ptp4l401ktimersoftd/308:51:343
23503992520,3cyclictest33-21ksoftirqd/213:06:172
23503992519,3cyclictest33-21ksoftirqd/213:31:142
23503992519,3cyclictest33-21ksoftirqd/212:56:112
23503992518,4cyclictest33-21ksoftirqd/209:30:042
2349799257,15cyclictest28057-21sed12:31:291
23497992520,3cyclictest25-21ksoftirqd/113:46:301
23497992520,3cyclictest25-21ksoftirqd/111:52:391
23497992520,3cyclictest25-21ksoftirqd/109:37:381
23497992519,4cyclictest25-21ksoftirqd/109:19:311
23497992519,3cyclictest25-21ksoftirqd/111:34:401
23497992519,3cyclictest25-21ksoftirqd/110:21:041
23497992519,3cyclictest25-21ksoftirqd/109:12:261
23497992519,3cyclictest21578-21latency_hist12:25:561
23497992518,4cyclictest25-21ksoftirqd/112:15:201
23497992518,4cyclictest25-21ksoftirqd/111:41:071
23497992518,4cyclictest25-21ksoftirqd/108:59:001
177391250,1ptp4l401ktimersoftd/310:57:183
177391250,0ptp4l401ktimersoftd/309:54:533
23503992419,3cyclictest33-21ksoftirqd/213:36:132
23503992419,3cyclictest33-21ksoftirqd/211:36:172
23503992419,3cyclictest33-21ksoftirqd/210:25:282
23503992419,3cyclictest33-21ksoftirqd/208:36:212
23503992418,3cyclictest33-21ksoftirqd/208:41:172
23503992417,4cyclictest33-21ksoftirqd/209:22:382
23503992417,4cyclictest33-21ksoftirqd/209:22:382
23503992417,4cyclictest33-21ksoftirqd/209:19:162
2349799244,12cyclictest10903-21ssh12:51:091
23497992419,3cyclictest25-21ksoftirqd/108:35:501
23497992418,4cyclictest25-21ksoftirqd/113:13:531
23497992418,4cyclictest25-21ksoftirqd/110:01:591
23497992418,4cyclictest25-21ksoftirqd/108:45:191
23497992418,3cyclictest25-21ksoftirqd/110:17:311
23497992417,4cyclictest25-21ksoftirqd/113:44:571
23497992417,4cyclictest25-21ksoftirqd/109:56:451
23497992417,4cyclictest25-21ksoftirqd/109:53:241
23497992417,4cyclictest25-21ksoftirqd/108:46:011
23497992415,5cyclictest8227-21timerwakeupswit12:46:271
177391240,1ptp4l401ktimersoftd/308:46:163
177391240,0ptp4l401ktimersoftd/309:58:513
2349799232,12cyclictest558-21chrt12:01:061
23497992318,3cyclictest25-21ksoftirqd/110:56:031
23497992318,3cyclictest25-21ksoftirqd/110:46:121
23497992318,3cyclictest25-21ksoftirqd/110:31:041
23497992318,3cyclictest25-21ksoftirqd/109:29:501
23497992317,3cyclictest25-21ksoftirqd/109:31:041
23497992317,3cyclictest25-21ksoftirqd/108:26:511
23497992316,4cyclictest25-21ksoftirqd/111:25:581
23497992314,5cyclictest30673-21latency_hist11:20:541
23497992310,4cyclictest285572cut09:41:131
23503992216,3cyclictest33-21ksoftirqd/212:51:272
2349799227,9cyclictest11660-21ssh11:36:091
23497992217,3cyclictest25-21ksoftirqd/112:38:441
23497992216,4cyclictest25-21ksoftirqd/111:09:271
23497992216,4cyclictest25-21ksoftirqd/111:09:271
23497992216,3cyclictest25-21ksoftirqd/110:13:261
23497992115,4cyclictest25-21ksoftirqd/109:08:111
23497992115,3cyclictest25-21ksoftirqd/108:51:571
23497992114,4cyclictest25-21ksoftirqd/111:03:061
23503992015,3cyclictest33-21ksoftirqd/209:15:502
2349799202,14cyclictest13677-21gltestperf12:16:121
23497992015,3cyclictest17721-21irqrtprio10:26:121
23497992014,3cyclictest25-21ksoftirqd/113:39:191
23497992014,3cyclictest25-21ksoftirqd/109:01:081
23497992013,4cyclictest5529-21/usr/sbin/munin10:51:091
23497992013,4cyclictest30091-21/usr/sbin/munin09:46:061
23497992013,4cyclictest21079-21sh13:01:211
23497992013,4cyclictest21079-21sh13:01:211
23497992013,4cyclictest16701-21timerandwakeup12:56:241
224062200,2sleep10-21swapper/111:47:251
23497991913,3cyclictest4876-21ls13:20:571
23497991913,3cyclictest29199-21expr11:56:121
23497991913,3cyclictest25-21ksoftirqd/113:21:101
23497991912,4cyclictest31026-21acpi11:21:081
23497991912,4cyclictest2670-21df12:41:111
23497991912,4cyclictest26490-21latency_hist11:15:541
23497991912,4cyclictest26490-21latency_hist11:15:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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