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2026-02-10 - 04:28
[ 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 Tue Feb 10, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304241821020,1sleep60-21swapper/622:46:216
31083512950,1sleep73108353-21ssh23:14:597
255712726757,7sleep40-21swapper/419:03:514
255695825419,30sleep70-21swapper/719:01:387
255703425343,7sleep50-21swapper/519:02:325
255710225242,7sleep60-21swapper/619:03:296
2557582994947,2cyclictest2913576-21kworker/u16:5+flush-8:022:56:306
2557577994845,2cyclictest2913576-21kworker/u16:5+flush-8:022:41:284
2557577994845,2cyclictest2913576-21kworker/u16:5+flush-8:022:41:284
2557584994742,4cyclictest2890329-21latency_hist21:46:007
2557582994644,2cyclictest2580734-21kworker/u16:2+flush-8:019:56:006
2557582994644,2cyclictest2580734-21kworker/u16:2+flush-8:019:56:006
2557578994542,2cyclictest2913576-21kworker/u16:5+flush-8:022:46:285
2557577994441,2cyclictest3082567-21kworker/u16:1+events_unbound23:16:164
2557582993937,2cyclictest3082567-21kworker/u16:1+flush-8:023:51:176
2557582993937,2cyclictest3061115-21kworker/u16:0+events_unbound23:31:326
2557582993937,2cyclictest2839520-21kworker/u16:1+flush-8:022:15:176
2557577993936,2cyclictest2984442-21kworker/u16:6+events_unbound22:31:154
2557578993836,2cyclictest3082567-21kworker/u16:1+flush-8:023:05:555
2557577993736,1cyclictest3061115-21kworker/u16:0+events_unbound00:16:274
2557577993736,1cyclictest2975969-21kworker/u16:4+events_unbound22:37:164
2557577993634,2cyclictest3082567-21kworker/u16:1+flush-8:000:31:284
2557582993533,2cyclictest3082567-21kworker/u16:1+events_unbound23:57:046
2557578993533,2cyclictest3061115-21kworker/u16:0+flush-8:023:30:555
2557577993432,2cyclictest3061115-21kworker/u16:0+flush-8:023:31:174
2557577993432,2cyclictest2913576-21kworker/u16:5+events_unbound23:41:324
2557584993328,4cyclictest650-21systemd-journal21:15:597
2557577993331,2cyclictest3205025-21kworker/u16:2+events_unbound23:56:234
2557578993230,2cyclictest3250043-21kworker/u16:2+events_unbound00:22:235
2557577993230,2cyclictest3082567-21kworker/u16:1+events_unbound00:30:594
2557577993229,2cyclictest2839520-21kworker/u16:1+flush-8:022:16:004
2557582993129,2cyclictest3082567-21kworker/u16:1+events_unbound23:16:316
2557578993130,1cyclictest2735488-21kworker/u16:0+events_unbound21:38:395
2557577993129,2cyclictest2839520-21kworker/u16:1+events_unbound21:41:234
2557584993030,0cyclictest0-21swapper/723:20:147
255758499300,29cyclictest124-21kswapd000:24:267
2557582993028,2cyclictest3263016-21kworker/u16:3+flush-8:000:26:296
2557577993028,2cyclictest3061115-21kworker/u16:0+events_unbound00:06:274
2557577993028,2cyclictest2975969-21kworker/u16:4+flush-8:022:51:154
2557582992927,2cyclictest3061115-21kworker/u16:0+events_unbound23:36:316
2557582992927,2cyclictest3061115-21kworker/u16:0+events_unbound23:21:286
2557582992927,2cyclictest2975969-21kworker/u16:4+flush-8:022:36:156
2557578992927,2cyclictest2538119-21kworker/u16:3+flush-8:021:16:255
2557577992928,1cyclictest2975969-21kworker/u16:4+events_unbound22:24:194
2557577992927,2cyclictest3250043-21kworker/u16:2+flush-8:000:21:314
2557584992826,1cyclictest3070717-21ssh22:57:057
2557584992822,5cyclictest2754414-21latency_hist20:46:007
2557578992825,3cyclictest2913576-21kworker/u16:5+flush-8:022:06:265
2557577992826,2cyclictest2725431-21kworker/u16:4+events_unbound21:49:244
2557577992825,3cyclictest3082567-21kworker/u16:1+events_unbound23:48:364
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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