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2026-02-09 - 15:38
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 50 highest latencies:
System rack0slot2.osadl.org (updated Mon Feb 09, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
397953826135,8sleep40-21swapper/407:05:564
397936225848,7sleep60-21swapper/607:03:266
3979843994945,3cyclictest650-21systemd-journal08:26:017
3979841994945,3cyclictest35267-21kworker/u16:5+flush-8:009:26:026
397984399430,41cyclictest380312-21latency_hist11:36:027
3979841994340,2cyclictest2887-21kworker/u16:2+events_unbound09:31:176
3979836994138,2cyclictest160536-21kworker/u16:1+flush-8:011:16:014
397948124131,7sleep50-21swapper/507:05:095
3979843993934,4cyclictest650-21systemd-journal10:06:017
3979841993936,2cyclictest439376-21kworker/u16:2+flush-8:012:11:176
39708492393,30sleep70-21swapper/707:01:187
3979841993634,2cyclictest160536-21kworker/u16:1+events_unbound10:21:176
3979836993532,3cyclictest3960260-21kworker/u16:2+flush-8:007:11:334
3979837993432,2cyclictest490617-21kworker/u16:1+flush-8:012:26:295
429992330,1chrt43000-21kthreadcore09:16:245
429992330,1chrt43000-21kthreadcore09:16:245
3979836993331,2cyclictest304383-21kworker/u16:3+flush-8:011:25:574
3979841993229,2cyclictest160536-21kworker/u16:1+events_unbound10:11:156
3979836993230,2cyclictest366335-21kworker/u16:4+flush-8:012:31:174
3979843993129,1cyclictest451401-21ssh12:01:367
3979843993029,0cyclictest0-21swapper/709:51:257
3979841993027,2cyclictest490617-21kworker/u16:1+events_unbound12:31:166
3979843992827,0cyclictest0-21swapper/711:01:487
3979841992826,2cyclictest75857-21kworker/u16:1+flush-8:009:36:186
3979836992826,2cyclictest439376-21kworker/u16:2+flush-8:012:11:324
3979836992825,2cyclictest62346-21kworker/u16:0+flush-8:009:41:224
3979836992725,2cyclictest3960260-21kworker/u16:2+events_unbound07:56:224
3979843992626,0cyclictest0-21swapper/709:42:087
3979843992625,0cyclictest0-21swapper/707:34:377
3979843992622,3cyclictest366202-21pool-gnome-soft11:28:027
3979841992624,2cyclictest4120553-21kworker/u16:3+events_unbound09:11:176
3979836992623,2cyclictest366335-21kworker/u16:4+events_unbound11:36:194
3979841992523,2cyclictest135690-21kworker/u16:2+flush-8:010:01:176
3979837992523,2cyclictest331260-21kworker/u16:5+events_unbound11:28:055
3979843992423,0cyclictest0-21swapper/708:47:267
3979843992423,0cyclictest0-21swapper/707:24:507
3979843992318,4cyclictest147878-21latency_hist10:01:027
3979843992318,4cyclictest147878-21latency_hist10:01:027
3979841992321,2cyclictest4186546-21kworker/u16:1+events_unbound08:51:156
3979843992221,0cyclictest0-21swapper/707:58:497
3979843992221,0cyclictest0-21swapper/707:12:067
3979837992219,2cyclictest160536-21kworker/u16:1+flush-8:010:16:215
3979836992220,2cyclictest4011665-21kworker/u16:4+events_unbound07:21:154
3979836992220,2cyclictest35267-21kworker/u16:5+events_unbound09:21:214
3979836992220,2cyclictest304383-21kworker/u16:3+events_unbound11:16:274
3979843992119,1cyclictest0-21swapper/711:46:217
3979841992119,2cyclictest62346-21kworker/u16:0+events_unbound10:06:296
3979841992119,2cyclictest160536-21kworker/u16:1+events_unbound11:16:256
3979836992119,2cyclictest4011665-21kworker/u16:4+events_unbound08:11:314
3979836992119,2cyclictest366335-21kworker/u16:4+flush-8:011:56:264
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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