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2026-05-23 - 00:13
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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 May 22, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2630521740,3sleep32268699cyclictest10:49:233
2780721700,4sleep22267999cyclictest10:49:382
2968621640,2sleep22267999cyclictest08:49:302
2898521570,5sleep12267399cyclictest08:49:251
2110121450,4sleep12267399cyclictest12:23:241
921921400,5sleep12267399cyclictest10:24:281
1068911030,4ptp4l401ktimersoftd/308:35:083
320772690,3sleep10-21swapper/113:39:441
106891670,1ptp4l401ktimersoftd/311:42:503
224742615,44sleep00-21swapper/008:37:560
63892600,1sleep20-21swapper/211:01:142
278972590,1sleep00-21swapper/013:36:060
106891580,1ptp4l401ktimersoftd/309:42:273
106891570,1ptp4l401ktimersoftd/313:51:543
106891560,1ptp4l401ktimersoftd/311:58:353
220352550,3sleep12267399cyclictest11:49:351
165212550,2sleep00-21swapper/013:58:100
106891500,2ptp4l16710-21kworker/3:010:44:263
223362495,32sleep10-21swapper/108:36:081
106891490,1ptp4l401ktimersoftd/312:12:393
139452470,4sleep2321ktimersoftd/211:09:252
2266699462,35cyclictest20417-21apt-get13:29:260
106891460,2ptp4l10424-21kworker/3:211:49:243
2266699452,35cyclictest18550-21apt-get11:14:240
2266699422,33cyclictest3624-21apt-get10:59:220
2266699412,31cyclictest28354-21apt-get08:49:180
106891410,1ptp4l401ktimersoftd/311:03:473
2266699402,31cyclictest13641-21apt-get11:09:220
2266699402,30cyclictest29135-21apt-get09:59:220
106891400,1ptp4l401ktimersoftd/311:59:173
2266699397,29cyclictest32632-21irqrtprio12:34:320
2266699393,30cyclictest12283-21apt-get12:14:240
2266699393,29cyclictest4334-21apt-get12:39:250
2266699391,34cyclictest0-21swapper/012:44:240
22666993913,22cyclictest13588-21open_files09:24:280
22666993913,22cyclictest13451-21/usr/sbin/munin10:34:240
2266699390,4cyclictest7017-21rm12:09:110
2266699390,4cyclictest23441-21date09:44:360
106891390,1ptp4l401ktimersoftd/313:19:413
106891390,1ptp4l401ktimersoftd/313:06:553
106891390,1ptp4l401ktimersoftd/312:27:113
106891390,1ptp4l401ktimersoftd/309:19:203
2266699382,29cyclictest30331-21apt-get13:39:260
2266699381,33cyclictest7459-21apt-get12:09:250
2266699381,30cyclictest15999-21apt-get10:39:210
22666993812,22cyclictest27276-21expr12:29:270
2266699380,4cyclictest3038-21grep09:04:230
2266699380,4cyclictest1299-21grep11:29:260
2266699380,4cyclictest11260-21ssh13:52:500
2266699380,4cyclictest10071-21acpi09:19:190
106891380,1ptp4l401ktimersoftd/313:59:283
106891380,1ptp4l401ktimersoftd/313:18:333
106891380,1ptp4l401ktimersoftd/312:39:463
106891380,1ptp4l401ktimersoftd/312:38:113
106891380,1ptp4l401ktimersoftd/312:18:263
106891380,1ptp4l401ktimersoftd/311:44:443
106891380,1ptp4l401ktimersoftd/311:32:173
106891380,1ptp4l401ktimersoftd/311:04:433
106891380,0ptp4l401ktimersoftd/311:28:273
2266699373,30cyclictest0-21swapper/008:54:170
2266699372,29cyclictest17271-21apt-get09:34:220
2266699371,32cyclictest0-21swapper/009:14:200
22666993713,21cyclictest15588-21diskmemload13:28:420
22666993712,22cyclictest29960-21cat11:24:400
22666993712,21cyclictest14257-21expr12:49:260
2266699370,4cyclictest2059-21ssh12:03:590
2266699370,3cyclictest26631-21sed08:44:270
2266699370,3cyclictest12361-21/usr/sbin/munin11:39:390
2266699370,3cyclictest11083-21/usr/sbin/munin10:29:370
106891370,1ptp4l401ktimersoftd/313:41:133
106891370,1ptp4l401ktimersoftd/313:38:333
106891370,1ptp4l401ktimersoftd/313:11:533
106891370,1ptp4l401ktimersoftd/313:04:093
106891370,1ptp4l401ktimersoftd/312:57:323
106891370,1ptp4l401ktimersoftd/312:51:253
106891370,1ptp4l401ktimersoftd/312:45:273
106891370,1ptp4l401ktimersoftd/312:21:223
106891370,1ptp4l401ktimersoftd/311:37:253
106891370,1ptp4l401ktimersoftd/310:56:103
106891370,1ptp4l401ktimersoftd/310:41:473
106891370,1ptp4l401ktimersoftd/309:32:323
106891370,14ptp4l401ktimersoftd/309:59:233
106891370,0ptp4l401ktimersoftd/313:30:053
2266699365,27cyclictest19633-21apt-get09:39:210
2266699363,27cyclictest1465-21apt-get10:09:230
2266699362,28cyclictest5415-21apt-get09:09:190
2266699361,30cyclictest0-21swapper/011:49:230
2266699361,30cyclictest0-21swapper/011:19:230
22666993612,21cyclictest15588-21diskmemload13:16:190
22666993611,22cyclictest1055-21runrttasks11:54:310
2266699360,5cyclictest9987-21snmp_o5powerctl11:04:380
2266699360,4cyclictest31541-21cut10:54:260
2266699360,3cyclictest10408-21unattended-upgr11:39:110
2266699360,33cyclictest2794-21sed13:09:440
106891360,2ptp4l22621-21kworker/3:114:07:463
106891360,2ptp4l22621-21kworker/3:113:46:283
106891360,2ptp4l22621-21kworker/3:113:46:283
106891360,1ptp4l401ktimersoftd/312:33:413
106891360,1ptp4l401ktimersoftd/312:07:093
106891360,1ptp4l401ktimersoftd/311:19:263
106891360,1ptp4l401ktimersoftd/311:11:443
106891360,1ptp4l401ktimersoftd/309:45:053
2266699356,26cyclictest21574-21grep10:44:260
2266699353,26cyclictest22629-21ssh14:04:270
2266699352,29cyclictest1136-21latency_hist10:09:100
2266699352,27cyclictest21965-21apt-get12:24:250
22666993512,20cyclictest15588-21diskmemload13:02:580
2266699350,4cyclictest15588-21diskmemload13:22:490
2266699350,3cyclictest20982-21ssh12:55:080
2266699350,32cyclictest0-21swapper/011:47:270
106891350,2ptp4l28072-21kworker/3:013:27:073
106891350,1ptp4l401ktimersoftd/308:53:463
22679993429,3cyclictest33-21ksoftirqd/212:39:132
22679993427,3cyclictest0-21swapper/208:39:082
22666993411,20cyclictest15588-21diskmemload13:44:540
22666993411,20cyclictest15588-21diskmemload13:44:540
22666993411,20cyclictest10626-21latency_hist10:29:100
22666993410,21cyclictest27608-21timerandwakeup10:49:370
2266699340,4cyclictest4088-21diskstats10:14:250
2266699340,4cyclictest4088-21diskstats10:14:250
2266699340,4cyclictest19450-21ssh12:20:320
2266699340,3cyclictest393-21ssh13:08:570
2266699340,3cyclictest0-21swapper/014:03:140
2266699340,2cyclictest167662chrt09:31:440
106891340,2ptp4l20201-21kworker/3:208:40:423
106891340,1ptp4l401ktimersoftd/311:16:573
106891340,1ptp4l401ktimersoftd/310:19:353
106891340,1ptp4l401ktimersoftd/309:49:243
2266699339,21cyclictest24790-21gltestperf09:49:250
2266699337,23cyclictest27805-21sed09:54:290
2266699335,25cyclictest6634-21gltestperf10:19:260
2266699330,4cyclictest1997-21snmp_o5powerctl08:59:310
2266699330,30cyclictest22855-21/usr/sbin/munin08:39:240
106891330,1ptp4l401ktimersoftd/313:57:083
106891330,1ptp4l401ktimersoftd/308:56:053
22679993226,3cyclictest33-21ksoftirqd/211:59:302
22679993226,3cyclictest33-21ksoftirqd/210:09:292
2267999320,3cyclictest121rcu_preempt12:45:352
22673993218,8cyclictest0-21swapper/111:34:231
106891320,1ptp4l401ktimersoftd/309:24:383
22673993125,4cyclictest25-21ksoftirqd/110:24:101
106891310,1ptp4l401ktimersoftd/310:24:323
106891310,1ptp4l401ktimersoftd/310:15:583
106891310,1ptp4l401ktimersoftd/310:15:583
106891310,1ptp4l401ktimersoftd/309:12:573
106891310,10ptp4l401ktimersoftd/308:49:063
106891310,0ptp4l401ktimersoftd/310:38:363
106891310,0ptp4l401ktimersoftd/309:04:413
22679993025,3cyclictest33-21ksoftirqd/213:59:332
2267399303,20cyclictest0-21swapper/113:59:261
22673993012,10cyclictest5490-21kworker/u8:113:29:271
22679992924,3cyclictest33-21ksoftirqd/209:14:082
22679992923,4cyclictest33-21ksoftirqd/208:39:262
22679992923,3cyclictest33-21ksoftirqd/213:54:152
2267399290,2cyclictest121rcu_preempt13:01:571
106891290,1ptp4l401ktimersoftd/309:37:163
2268699283,3cyclictest121rcu_preempt10:04:403
22679992823,3cyclictest33-21ksoftirqd/213:19:342
22679992823,3cyclictest33-21ksoftirqd/213:09:342
22679992823,3cyclictest33-21ksoftirqd/212:14:312
22679992823,3cyclictest33-21ksoftirqd/211:44:302
22679992822,3cyclictest481-21unixbench_singl10:54:392
22679992822,3cyclictest33-21ksoftirqd/213:46:152
22679992822,3cyclictest33-21ksoftirqd/213:46:152
22679992822,3cyclictest33-21ksoftirqd/212:29:132
22679992822,3cyclictest33-21ksoftirqd/210:44:282
22679992822,3cyclictest33-21ksoftirqd/209:49:282
2267399283,14cyclictest4338-21ssh12:39:241
2267399282,15cyclictest7465-21sh12:09:241
106891280,1ptp4l401ktimersoftd/310:09:113
22679992722,3cyclictest33-21ksoftirqd/213:04:142
22679992722,3cyclictest33-21ksoftirqd/209:54:272
22679992721,3cyclictest33-21ksoftirqd/212:34:132
22679992721,3cyclictest33-21ksoftirqd/211:04:252
22679992721,3cyclictest33-21ksoftirqd/210:34:102
22679992721,3cyclictest33-21ksoftirqd/208:44:272
22673992721,3cyclictest25-21ksoftirqd/112:18:381
22686992620,3cyclictest41-21ksoftirqd/309:55:163
22679992621,3cyclictest33-21ksoftirqd/212:54:282
22679992621,3cyclictest33-21ksoftirqd/211:24:352
22679992621,3cyclictest33-21ksoftirqd/210:19:282
22679992620,3cyclictest33-21ksoftirqd/211:34:272
22679992620,3cyclictest33-21ksoftirqd/209:24:262
22679992620,3cyclictest33-21ksoftirqd/209:04:262
22679992619,4cyclictest33-21ksoftirqd/212:19:302
22679992619,4cyclictest33-21ksoftirqd/209:34:242
2267399267,16cyclictest21249-21ssh12:55:361
22673992616,5cyclictest25-21ksoftirqd/110:59:221
22679992520,3cyclictest33-21ksoftirqd/213:54:342
22679992520,3cyclictest33-21ksoftirqd/213:39:322
22679992520,3cyclictest33-21ksoftirqd/213:34:332
22679992520,3cyclictest33-21ksoftirqd/209:59:282
22679992519,3cyclictest33-21ksoftirqd/211:54:292
22679992519,3cyclictest33-21ksoftirqd/209:39:422
22679992519,3cyclictest33-21ksoftirqd/209:29:272
22679992519,3cyclictest33-21ksoftirqd/209:19:202
2267399254,12cyclictest15588-21diskmemload10:54:211
22673992520,3cyclictest25-21ksoftirqd/113:54:191
22673992520,3cyclictest25-21ksoftirqd/110:39:101
22673992519,4cyclictest25-21ksoftirqd/112:29:131
22673992519,4cyclictest25-21ksoftirqd/109:06:401
22673992519,3cyclictest25-21ksoftirqd/111:56:501
22673992517,5cyclictest1253-21grep11:29:261
22686992418,3cyclictest41-21ksoftirqd/310:29:283
22679992419,3cyclictest33-21ksoftirqd/214:04:322
22679992419,3cyclictest33-21ksoftirqd/213:34:142
22679992419,3cyclictest33-21ksoftirqd/208:59:262
22679992419,3cyclictest33-21ksoftirqd/208:59:082
22679992418,4cyclictest33-21ksoftirqd/211:49:302
22679992418,3cyclictest33-21ksoftirqd/212:49:262
22679992418,3cyclictest33-21ksoftirqd/210:39:232
22679992417,4cyclictest33-21ksoftirqd/211:19:122
22679992417,4cyclictest33-21ksoftirqd/210:06:062
22679992415,5cyclictest5810-21sh13:14:242
22673992419,3cyclictest25-21ksoftirqd/113:04:251
22673992418,4cyclictest25-21ksoftirqd/110:11:231
22673992418,3cyclictest25-21ksoftirqd/109:26:211
22673992418,3cyclictest25-21ksoftirqd/109:10:411
22673992416,5cyclictest25-21ksoftirqd/111:49:121
106891240,1ptp4l401ktimersoftd/309:14:363
106891240,1ptp4l401ktimersoftd/308:59:193
22679992318,3cyclictest33-21ksoftirqd/210:34:252
22679992317,3cyclictest33-21ksoftirqd/209:18:092
2267399232,12cyclictest2790-21ssh13:44:271
2267399232,12cyclictest2790-21ssh13:44:271
22673992318,3cyclictest25-21ksoftirqd/113:14:381
22673992318,3cyclictest25-21ksoftirqd/111:24:401
22673992318,3cyclictest25-21ksoftirqd/110:32:341
22673992317,4cyclictest25-21ksoftirqd/109:32:251
22673992317,3cyclictest25-21ksoftirqd/112:49:131
22673992317,3cyclictest25-21ksoftirqd/109:38:351
22673992317,3cyclictest25-21ksoftirqd/109:21:331
22673992316,4cyclictest16882-21ptp4l-jitter13:24:371
22673992315,5cyclictest19041-21cut11:14:271
22673992315,4cyclictest1055-21runrttasks13:38:371
22679992217,3cyclictest33-21ksoftirqd/212:39:362
22679992217,3cyclictest33-21ksoftirqd/210:14:232
22679992217,3cyclictest33-21ksoftirqd/210:14:232
22679992216,3cyclictest33-21ksoftirqd/212:14:122
22679992216,3cyclictest33-21ksoftirqd/211:19:302
22679992212,6cyclictest10859-21ssh11:39:242
2267399229,10cyclictest23592-21irqrtprio08:39:261
22673992217,3cyclictest25-21ksoftirqd/110:01:271
22673992215,4cyclictest25-21ksoftirqd/109:16:431
22673992215,4cyclictest22837-21cat14:04:291
22679992114,4cyclictest3093-21sh11:30:262
2267999211,17cyclictest22098-21grep09:44:212
2267399218,10cyclictest32081-21expr12:34:261
22673992116,3cyclictest25-21ksoftirqd/112:29:331
22673992116,3cyclictest25-21ksoftirqd/112:09:121
22673992116,3cyclictest25-21ksoftirqd/110:39:201
22673992115,4cyclictest13121-21ssh11:40:261
22673992115,3cyclictest25-21ksoftirqd/113:19:271
22673992115,3cyclictest25-21ksoftirqd/111:04:231
22673992114,4cyclictest30539-21awk10:54:111
2267399211,17cyclictest26957-21ls09:54:221
22679992015,3cyclictest33-21ksoftirqd/213:04:272
22679992013,4cyclictest9816-21sendmail_mailqu10:24:322
22679992013,4cyclictest2689-21cpuspeed_turbos12:04:252
22679992013,4cyclictest19377-21sh13:28:122
2267399209,6cyclictest241ktimersoftd/109:39:221
22673992015,3cyclictest25-21ksoftirqd/112:01:191
22673992015,3cyclictest25-21ksoftirqd/111:09:221
22673992015,3cyclictest25-21ksoftirqd/110:04:291
22673992014,3cyclictest4739-21latency10:14:291
22673992014,3cyclictest4739-21latency10:14:291
22673992014,3cyclictest25-21ksoftirqd/113:53:251
22673992014,3cyclictest25-21ksoftirqd/109:52:161
22673992013,4cyclictest21296-21cstates10:44:241
2267399192,14cyclictest25287-21grep11:19:411
22673991913,3cyclictest25887-21/usr/sbin/munin08:44:361
22673991913,3cyclictest24170-21cut09:49:091
22673991912,4cyclictest816-21cstates08:59:211
22673991912,4cyclictest15371-21ptp4l-jitter12:49:351
22673991912,4cyclictest1213-21expr13:09:281
22673991812,3cyclictest25-21ksoftirqd/108:54:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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