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2026-05-22 - 21:59
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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