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2025-11-29 - 21:47
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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 100 highest latencies:
System rack0slot7.osadl.org (updated Sat Nov 29, 2025 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31678439944924,27cyclictest0-21swapper/919:23:2115
3167832994281,27cyclictest0-21swapper/519:22:5911
31678279941912,407cyclictest0-21swapper/019:15:590
316783699414413,1cyclictest3214285-21kworker/7:2+pm19:18:5413
3167828994060,405cyclictest0-21swapper/119:16:121
3167848993970,396cyclictest0-21swapper/1419:15:416
316783399394393,1cyclictest323925-21gnome-shell19:21:5912
316784099391391,0cyclictest0-21swapper/819:11:2114
3167844993870,386cyclictest0-21swapper/1019:15:192
3167849993860,386cyclictest0-21swapper/1519:22:217
316784499386385,1cyclictest29450irq/128-xhci_hcd19:14:212
316782999382380,2cyclictest390842-21Renderer19:18:208
3167848993810,380cyclictest0-21swapper/1419:14:356
316784399369366,3cyclictest390842-21Renderer19:16:1115
316783699366365,1cyclictest390842-21Renderer19:22:2113
316784099365360,3cyclictest323925-21gnome-shell19:15:5914
316782999362362,0cyclictest0-21swapper/219:25:198
3167848993600,359cyclictest0-21swapper/1419:21:596
316783399349348,1cyclictest323925-21gnome-shell19:10:5912
316783099348348,0cyclictest0-21swapper/319:21:189
316784599345342,2cyclictest390842-21Renderer19:21:183
316782999344340,4cyclictest390842-21Renderer19:24:188
316783099341341,0cyclictest0-21swapper/319:13:219
316784599336335,1cyclictest3167294-21kworker/11:2+i915-unordered19:13:213
316783199336334,2cyclictest3185515-21kworker/4:2+events19:13:4610
3167846993330,28cyclictest0-21swapper/1219:10:464
3167846993320,331cyclictest0-21swapper/1219:23:594
316784499327325,2cyclictest390842-21Renderer19:25:192
316783199326324,2cyclictest3124896-21kworker/4:0+events19:22:4310
316782899317316,1cyclictest390842-21Renderer19:23:211
316784999312311,0cyclictest0-21swapper/1519:10:227
3167849993100,6cyclictest0-21swapper/1519:16:477
316784499304303,1cyclictest0-21swapper/1019:24:182
316782799304301,3cyclictest0-21swapper/019:14:200
316783099300298,1cyclictest3215932-21kworker/3:2+events19:19:489
316782999298297,1cyclictest3125473-21kworker/2:0+pm19:11:378
316784599295293,1cyclictest0-21swapper/1119:19:483
316784799292289,2cyclictest323925-21gnome-shell19:22:595
316783399288286,2cyclictest3083326-21kworker/6:0+events19:15:4112
316784799281279,1cyclictest0-21swapper/1319:25:195
316784799271268,2cyclictest3063162-21kworker/13:2+pm19:14:105
316782799267261,6cyclictest3145497-21kworker/0:2+pm19:22:560
316783199265262,2cyclictest1840652-21DOM09:53:5810
316784099262259,2cyclictest0-21swapper/819:23:0014
316783699261256,4cyclictest390842-21Renderer19:14:2013
316784799247246,1cyclictest0-21swapper/1319:19:005
316782899233232,1cyclictest0-21swapper/119:11:251
316783299224220,3cyclictest390842-21Renderer19:25:1911
316784699220217,2cyclictest3103800-21kworker/12:2+pm19:19:164
316783399219214,4cyclictest323654-21Xorg19:25:2012
316783299210209,1cyclictest0-21swapper/519:14:1111
31644802208184,6sleep90-21swapper/919:05:4015
31655962193170,15sleep120-21swapper/1219:06:474
316783299192188,3cyclictest323654-21Xorg19:19:0011
31655632192179,8sleep110-21swapper/1119:06:303
31472962187161,16sleep50-21swapper/519:05:0311
3167848991810,180cyclictest0-21swapper/1419:25:206
316784399170166,3cyclictest323654-21Xorg19:11:2415
316784799163163,0cyclictest0-21swapper/1319:10:005
31664122158132,16sleep60-21swapper/619:08:1712
31653132152126,18sleep100-21swapper/1019:05:572
31671412128103,17sleep70-21swapper/719:09:2313
3166151211684,29sleep150-21swapper/1519:07:387
3165939211681,31sleep140-21swapper/1419:07:216
406661221120,1sleep04066605-21dd23:06:450
3166371210593,7sleep30-21swapper/319:07:589
31678409910418,58cyclictest3245313-21kthreadcore19:25:1914
3167252210198,1sleep00-21swapper/019:09:480
1049962890,0sleep60-21swapper/600:14:4112
316640928762,16sleep40-21swapper/419:08:1510
316561328483,0sleep20-21swapper/219:06:528
316583327673,1sleep10-21swapper/119:07:081
316437826852,10sleep80-21swapper/819:05:3914
37822602600,0sleep140-21swapper/1421:50:186
3167848995624,29cyclictest0-21swapper/1420:29:436
3167843995443,10cyclictest0-21swapper/922:10:4415
3167840995227,25cyclictest0-21swapper/800:23:0314
3167840995022,26cyclictest0-21swapper/800:16:3914
3167831995049,1cyclictest0-21swapper/423:52:3310
316784399489,5cyclictest3017712-1kworker/u65:2+i915_flip20:47:0915
3167836994839,6cyclictest3834737-21firefox00:15:4913
316782799489,39cyclictest0-21swapper/023:43:160
316784799470,12cyclictest0-21swapper/1300:15:305
316784399472,11cyclictest323925-21gnome-shell23:33:5915
3167840994727,19cyclictest0-21swapper/823:41:4714
3167840994626,17cyclictest0-21swapper/800:29:2814
3167849994545,0cyclictest0-21swapper/1519:25:197
316784999450,36cyclictest0-21swapper/1519:34:317
3167847994516,26cyclictest0-21swapper/1300:01:165
3167836994541,2cyclictest0-21swapper/723:34:3713
3167827994542,3cyclictest3145497-21kworker/0:2+events19:25:180
316784799445,9cyclictest3834767-21Timer22:21:075
3167840994421,17cyclictest0-21swapper/823:32:1914
316784799436,6cyclictest0-21swapper/1300:34:285
316784399435,11cyclictest323925-21gnome-shell00:17:0615
3167832994333,9cyclictest0-21swapper/500:15:5011
3167831994342,1cyclictest0-21swapper/420:25:5910
3167843994227,11cyclictest323925-21gnome-shell20:40:3315
3167843994227,11cyclictest323925-21gnome-shell20:40:3315
316784399422,15cyclictest3017712-1kworker/u65:2+i915_flip20:20:0115
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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