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2026-08-26 - 19:24
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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 all highest latencies:
System rackbslot6.osadl.org (updated Wed Aug 26, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911790,5ptp4l401ktimersoftd/309:28:373
1822621520,3sleep2656999cyclictest09:52:272
372021480,4sleep1656399cyclictest11:35:311
64222850,5sleep2656999cyclictest10:37:232
214792760,2sleep20-21swapper/214:04:072
214792760,2sleep20-21swapper/214:04:072
35602610,2sleep10-21swapper/114:18:441
64112595,41sleep00-21swapper/009:31:260
127142590,5sleep312716-21switchtime14:27:413
3852570,3sleep2656999cyclictest11:32:232
282522570,1sleep10-21swapper/113:05:491
657699561,4cyclictest29639-21ssh12:33:413
258882560,2sleep30-21swapper/314:42:153
141112560,2sleep10-21swapper/111:46:191
218002550,2sleep30-21swapper/311:52:403
32152540,3sleep2321ktimersoftd/214:18:092
220352540,2sleep20-21swapper/212:58:392
82812500,2sleep2311rcuc/214:57:152
657699442,34cyclictest16351-21apt-get14:32:263
657699432,33cyclictest3609-21apt-get14:52:253
657699424,35cyclictest14313-21irqrtprio10:52:273
656399412,7cyclictest7504-21apt-get12:12:221
6563994013,4cyclictest9067-21cpuspeed_turbos13:52:241
106891390,1ptp4l401ktimersoftd/313:29:573
106891390,1ptp4l401ktimersoftd/312:31:263
106891390,1ptp4l401ktimersoftd/312:18:363
106891390,1ptp4l401ktimersoftd/312:18:363
6563993814,4cyclictest26562-21sh14:42:311
6563993812,3cyclictest26853-21sh13:37:271
106891380,1ptp4l401ktimersoftd/314:58:373
106891380,1ptp4l401ktimersoftd/314:18:543
106891380,1ptp4l401ktimersoftd/313:56:193
106891380,0ptp4l401ktimersoftd/312:03:423
657699372,27cyclictest31482-21apt-get10:22:193
656399373,9cyclictest32107-21ssh12:37:221
656399373,8cyclictest6051-21apt-get14:22:251
6563993718,16cyclictest25-21ksoftirqd/110:48:381
6563993713,5cyclictest19345-21latency_hist12:57:121
6563993713,3cyclictest3139-21seq10:27:461
6563993713,3cyclictest25167-21sh14:07:381
6563993713,3cyclictest22190-21/usr/sbin/munin12:27:231
106891370,1ptp4l401ktimersoftd/314:45:203
106891370,1ptp4l401ktimersoftd/314:24:473
106891370,1ptp4l401ktimersoftd/314:11:063
106891370,1ptp4l401ktimersoftd/314:07:083
106891370,1ptp4l401ktimersoftd/314:07:083
106891370,1ptp4l401ktimersoftd/313:59:023
106891370,1ptp4l401ktimersoftd/313:47:473
106891370,1ptp4l401ktimersoftd/313:45:093
106891370,1ptp4l401ktimersoftd/313:02:593
106891370,1ptp4l401ktimersoftd/313:00:263
106891370,1ptp4l401ktimersoftd/312:56:133
106891370,1ptp4l401ktimersoftd/312:45:433
106891370,1ptp4l401ktimersoftd/312:38:333
106891370,1ptp4l401ktimersoftd/312:27:073
106891370,1ptp4l401ktimersoftd/312:27:073
106891370,1ptp4l401ktimersoftd/312:12:173
106891370,1ptp4l401ktimersoftd/312:07:553
106891370,1ptp4l401ktimersoftd/311:58:273
657699362,28cyclictest8741-21apt-get09:35:103
6563993612,3cyclictest30038-21/usr/sbin/munin11:27:281
6563993612,3cyclictest12668-21expr12:17:251
6563993612,3cyclictest12668-21expr12:17:251
6563993611,4cyclictest5603-21cat13:47:401
6563993611,4cyclictest13549-21cat09:42:271
6563993611,3cyclictest14969-21cpuspeed_turbos09:47:201
106891360,1ptp4l401ktimersoftd/314:48:003
106891360,1ptp4l401ktimersoftd/313:09:413
106891360,1ptp4l401ktimersoftd/312:49:173
106891360,1ptp4l401ktimersoftd/311:46:583
106891360,1ptp4l401ktimersoftd/311:40:503
106891360,1ptp4l401ktimersoftd/309:59:283
106891360,1ptp4l401ktimersoftd/309:53:333
106891360,0ptp4l401ktimersoftd/313:37:163
657699351,26cyclictest28646-21apt-get14:12:273
6563993512,3cyclictest20547-21/usr/sbin/munin11:07:211
6563993511,4cyclictest8755-21expr10:42:221
6563993511,3cyclictest18565-21basename09:52:301
106891350,1ptp4l401ktimersoftd/313:18:383
657699342,26cyclictest29099-21apt-get10:17:203
657699342,25cyclictest30115-21apt-get11:27:213
6576993414,17cyclictest3016-21sh11:34:213
657699341,26cyclictest12513-21apt-get09:42:193
657699340,2cyclictest0-21swapper/309:37:103
6563993412,3cyclictest32173-21diskmemload14:15:431
6563993412,3cyclictest32173-21diskmemload13:36:301
6563993411,3cyclictest32173-21diskmemload14:33:381
6563993411,3cyclictest1055-21runrttasks10:23:241
6563993410,4cyclictest9662-21latency_hist11:42:111
6563993410,3cyclictest15233-21expr11:47:241
106891340,0ptp4l401ktimersoftd/313:16:083
106891340,0ptp4l401ktimersoftd/311:50:303
656399336,5cyclictest24481-21idleruntime-cro11:57:101
656399331,2cyclictest0-21swapper/113:26:181
657699329,19cyclictest23741-21irqrtprio11:12:283
657699322,25cyclictest25360-21apt-get11:17:243
6576993211,18cyclictest10790-21cut10:47:093
657699320,4cyclictest19664-21switchtime11:02:363
657699320,2cyclictest0-21swapper/311:22:213
657699320,2cyclictest0-21swapper/310:47:243
656399329,4cyclictest32563-21cat13:42:321
656399328,5cyclictest18626-21fschecks_time11:02:241
6563993212,4cyclictest25-21ksoftirqd/110:14:141
6563993211,3cyclictest27544-21tune2fs12:32:261
6563993210,3cyclictest25340-21acpi11:17:221
43472326,11sleep20-21swapper/209:27:202
173192320,5sleep2656999cyclictest11:48:252
657699312,23cyclictest11859-21apt-get13:22:263
6576993112,16cyclictest15806-21basename10:57:213
6576993110,18cyclictest2395-21sed10:27:283
657699310,3cyclictest26991-21diskstats10:12:233
657699310,2cyclictest0-21swapper/311:07:323
656399313,7cyclictest18807-21apt-get14:02:261
656399313,7cyclictest18807-21apt-get14:02:261
6563993112,3cyclictest10674-21missed_timers12:47:331
657699304,23cyclictest25534-21processes10:07:303
657699301,24cyclictest0-21swapper/310:32:213
657699301,24cyclictest0-21swapper/310:32:213
657699301,24cyclictest0-21swapper/309:47:183
657699300,2cyclictest0-21swapper/313:32:323
656999306,15cyclictest8555-21ssh14:57:272
656999306,14cyclictest1978-21ssh13:12:242
656999306,14cyclictest10097-21ssh11:42:232
59482305,10sleep10-21swapper/109:27:391
201892300,4sleep233-21ksoftirqd/212:24:222
201892300,4sleep233-21ksoftirqd/212:24:222
657699298,18cyclictest6995-21cut10:37:273
657699281,24cyclictest22645-21irqrtprio10:02:273
656999286,13cyclictest14707-21ssh12:52:242
656999285,15cyclictest27191-21rm12:32:232
656999285,12cyclictest16359-21ssh14:32:262
6569992820,5cyclictest33-21ksoftirqd/214:13:312
656399280,2cyclictest0-21swapper/112:08:501
656399280,15cyclictest6814-21ssh12:43:141
6569992712,12cyclictest13481-21sh12:51:112
6563992720,5cyclictest25-21ksoftirqd/115:02:151
656999265,13cyclictest64-21kswapd013:07:262
6569992620,3cyclictest33-21ksoftirqd/213:56:412
6569992620,3cyclictest33-21ksoftirqd/213:50:182
6569992619,4cyclictest33-21ksoftirqd/210:24:462
6569992619,4cyclictest33-21ksoftirqd/210:12:142
6569992619,4cyclictest233-21systemd-journal09:37:072
6563992620,3cyclictest25-21ksoftirqd/110:40:441
6563992619,4cyclictest25-21ksoftirqd/111:01:311
6559992620,3cyclictest9-21ksoftirqd/011:57:260
169192260,7sleep2321ktimersoftd/210:57:302
656999259,13cyclictest16186-21sh13:58:312
656999253,14cyclictest21248-21ssh14:37:252
6569992520,3cyclictest33-21ksoftirqd/212:02:232
6569992519,3cyclictest33-21ksoftirqd/214:07:342
6569992518,4cyclictest33-21ksoftirqd/209:39:102
656399254,13cyclictest6907-21ssh13:17:241
6563992520,3cyclictest25-21ksoftirqd/113:12:271
6559992519,3cyclictest9-21ksoftirqd/014:12:410
6559992519,3cyclictest9-21ksoftirqd/010:48:050
6559992518,4cyclictest9-21ksoftirqd/010:37:130
242222519,2sleep233-21ksoftirqd/213:45:132
6563992417,4cyclictest25-21ksoftirqd/110:19:071
6563992417,4cyclictest25-21ksoftirqd/109:35:561
6563992410,8cyclictest19625-21ssh12:57:241
6559992418,4cyclictest9-21ksoftirqd/010:08:430
6559992418,3cyclictest9-21ksoftirqd/011:09:010
6559992418,3cyclictest9-21ksoftirqd/011:05:430
6559992417,4cyclictest4100-21gltestperf14:52:300
6559992417,4cyclictest31714-21sh12:37:110
6559992415,6cyclictest24580-21irqrtprio14:07:330
6569992317,3cyclictest33-21ksoftirqd/214:27:272
6569992317,3cyclictest33-21ksoftirqd/211:42:002
6569992317,3cyclictest33-21ksoftirqd/209:59:082
6569992316,4cyclictest33-21ksoftirqd/210:08:572
656999231,4cyclictest23710-21snmp_o5powerctl12:27:362
656999231,19cyclictest29576-21hddtemp_smartct10:17:252
6563992318,3cyclictest25-21ksoftirqd/111:17:041
6563992316,4cyclictest25-21ksoftirqd/111:22:141
6559992318,3cyclictest9-21ksoftirqd/013:06:140
6559992318,3cyclictest9-21ksoftirqd/011:02:090
6559992318,3cyclictest9-21ksoftirqd/010:33:360
6559992318,3cyclictest9-21ksoftirqd/010:33:360
6559992317,3cyclictest9-21ksoftirqd/012:08:350
6559992317,3cyclictest9-21ksoftirqd/011:24:380
6559992317,3cyclictest9-21ksoftirqd/010:46:280
6559992316,4cyclictest5465-21snmp_o5powerctl13:47:380
6559992316,4cyclictest27722-21grep10:12:280
655999231,2cyclictest32173-21diskmemload13:17:210
655999230,4cyclictest12547-21ssh12:49:360
6569992216,3cyclictest33-21ksoftirqd/211:14:082
6569992216,3cyclictest33-21ksoftirqd/210:31:412
6569992216,3cyclictest33-21ksoftirqd/209:49:222
6569992215,4cyclictest33-21ksoftirqd/210:56:262
6569992215,4cyclictest33-21ksoftirqd/210:47:272
656999221,18cyclictest21967-21snmp_o5powerctl11:07:342
656999220,19cyclictest13334-21snmp_o5powerctl13:22:412
6563992216,3cyclictest25-21ksoftirqd/113:07:131
6563992215,4cyclictest25-21ksoftirqd/110:53:361
655999223,16cyclictest31753-21unixbench_singl11:27:390
655999223,15cyclictest18902-21unixbench_singl09:52:360
6559992218,2cyclictest0-21swapper/013:57:300
6559992216,3cyclictest9-21ksoftirqd/011:12:450
6559992216,3cyclictest9-21ksoftirqd/009:34:570
6559992216,3cyclictest3426-21snmp_o5powerctl13:12:370
6559992215,4cyclictest1736-21fschecks_count10:27:240
6559992215,4cyclictest10708-21sh11:42:270
6559992215,3cyclictest16780-21cpu13:27:260
6559992212,7cyclictest32173-21diskmemload14:22:060
655999221,18cyclictest32173-21diskmemload13:37:090
655999221,18cyclictest1133-21snmp_o5powerctl12:37:360
655999221,18cyclictest0-21swapper/013:44:500
655999221,18cyclictest0-21swapper/011:37:430
283602220,5sleep228363-21unixbench_multi13:37:422
656999219,10cyclictest26192-21awk13:37:122
6569992115,4cyclictest33-21ksoftirqd/211:25:212
6569992115,3cyclictest33-21ksoftirqd/211:20:392
6569992115,3cyclictest33-21ksoftirqd/210:46:262
6569992114,4cyclictest4383-21grep12:07:412
6569992114,4cyclictest31540-21threads11:27:382
656999211,18cyclictest0-21swapper/214:24:302
6563992115,3cyclictest25-21ksoftirqd/110:02:201
6563992112,5cyclictest31309-21snmp_o5powerctl12:02:371
656399211,17cyclictest25936-21memory11:57:311
655999215,13cyclictest0-21swapper/012:12:230
6559992117,2cyclictest0-21swapper/010:06:400
6559992116,3cyclictest9-21ksoftirqd/009:57:550
6559992116,3cyclictest9-21ksoftirqd/009:41:150
6559992116,3cyclictest15056-21ssh13:25:010
6559992115,3cyclictest9-21ksoftirqd/013:52:140
6559992115,3cyclictest9-21ksoftirqd/010:21:310
6559992114,4cyclictest9-21ksoftirqd/010:22:160
6559992114,4cyclictest8879-21cut14:57:300
6559992113,5cyclictest21686-21gltestperf14:37:300
6559992113,4cyclictest1055-21runrttasks13:08:150
655999211,18cyclictest17332-21apt-get12:22:240
655999211,18cyclictest17332-21apt-get12:22:240
655999211,18cyclictest0-21swapper/014:28:390
655999211,18cyclictest0-21swapper/014:03:380
655999211,18cyclictest0-21swapper/014:03:380
655999211,18cyclictest0-21swapper/012:19:160
655999211,18cyclictest0-21swapper/012:19:160
655999211,18cyclictest0-21swapper/011:32:500
655999211,17cyclictest0-21swapper/014:22:380
655999210,18cyclictest17245-21ssh12:53:520
6569992015,3cyclictest33-21ksoftirqd/209:44:562
6569992013,4cyclictest29173-21sh14:44:392
6569992013,4cyclictest24808-21acpi11:57:222
6569992012,5cyclictest4845-21grep10:32:302
6569992012,5cyclictest4845-21grep10:32:302
6569992012,4cyclictest32548-21gltestperf12:37:262
6569992012,4cyclictest24696-21cpuspeed_turbos13:02:232
656999201,16cyclictest23299-21ssh11:55:112
6569992011,5cyclictest8288-21mailstats13:17:352
6569992011,5cyclictest31014-21/usr/sbin/munin14:47:272
656999200,18cyclictest0-21swapper/212:46:402
6563992014,3cyclictest10013-21kernelversion09:37:121
6563992013,4cyclictest5239-21timerandwakeup10:32:381
6563992013,4cyclictest5239-21timerandwakeup10:32:381
6563992013,4cyclictest25-21ksoftirqd/109:59:121
6563992013,4cyclictest18226-21snmp_o5powerctl13:27:401
656399200,18cyclictest0-21swapper/114:47:351
655999202,10cyclictest26223-21ssh14:42:280
6559992015,3cyclictest9-21ksoftirqd/011:18:080
6559992014,3cyclictest9-21ksoftirqd/010:54:100
6559992014,3cyclictest14043-21timerwakeupswit09:42:350
6559992013,4cyclictest32173-21diskmemload12:59:260
6559992013,4cyclictest32173-21diskmemload12:27:130
6559992013,4cyclictest19859-21/usr/sbin/munin11:52:300
6559992013,4cyclictest16807-21gltestperf14:32:310
6559992013,4cyclictest1055-21runrttasks12:43:220
6559992012,5cyclictest15538-21grep09:47:250
655999201,17cyclictest0-21swapper/014:51:110
655999201,17cyclictest0-21swapper/013:41:330
655999201,17cyclictest0-21swapper/012:04:470
6569991913,3cyclictest7348-21sh12:12:142
6569991913,3cyclictest22938-21sed10:02:282
656999191,16cyclictest0-21swapper/212:18:562
656999191,16cyclictest0-21swapper/212:18:562
656999191,15cyclictest19600-21snmp_o5powerctl11:02:342
6563991913,4cyclictest11786-21if_enp1s0.114:27:311
6563991912,4cyclictest4923-21ptp4l14:52:361
656399191,16cyclictest0-21swapper/113:59:111
656399191,15cyclictest25026-21ssh14:40:591
6559991912,4cyclictest32173-21diskmemload11:47:210
6569991812,3cyclictest16765-21apt-get13:27:242
6563991812,4cyclictest25-21ksoftirqd/112:23:201
6563991812,4cyclictest25-21ksoftirqd/112:23:201
6563991811,4cyclictest25106-21cut10:07:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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