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2023-04-01 - 22:56

x86 Intel Core i9-9900K @3600 MHz, Linux 5.15.49-rt47 (Profile)

Latency plot of system in rack #0, slot #8
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Up99 -i200 -h400 -q done
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 rack0slot8.osadl.org (updated Sat Apr 01, 2023 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40047399446445,1cyclictest25250irq/126-ahci[0007:10:0910
40047399437430,5cyclictest3945484-21ThreadPoolForeg10:43:2610
40047699428426,2cyclictest1524-21pmdalinux09:50:3312
40047399425424,1cyclictest25250irq/126-ahci[0010:39:1410
40048999424424,0cyclictest0-21swapper/1508:55:247
40046999423422,1cyclictest559414-21turbostat10:09:551
40047699422421,1cyclictest582594-21kworker/u32:311:14:2512
40047699422421,1cyclictest563720-21kworker/u32:110:12:0912
40048099421420,1cyclictest355835-21kworker/u32:007:10:0815
40047699421420,1cyclictest592052-21kworker/u32:411:04:3212
40047699421420,1cyclictest419576-21kworker/u32:407:29:5112
40047399421420,1cyclictest0-21swapper/409:10:0510
40048999420418,1cyclictest0-21swapper/1510:34:127
40048099420419,1cyclictest496301-21kworker/u32:309:11:3615
40047899420420,0cyclictest573368-21turbostat10:20:0013
40047699420419,1cyclictest496301-21kworker/u32:309:32:4112
40047699420419,1cyclictest410229-21kworker/u32:107:34:1712
40047699420418,2cyclictest404248-21kworker/u32:207:17:2812
40047399420420,0cyclictest0-21swapper/408:25:1810
40047399420419,1cyclictest25250irq/126-ahci[0007:50:4110
40048199419418,1cyclictest563720-21kworker/u32:110:34:112
40047699419418,1cyclictest496301-21kworker/u32:309:06:1612
40047399419418,1cyclictest496301-21kworker/u32:308:56:1710
40048099418417,1cyclictest559088-21kworker/u32:410:24:1715
40047399418418,0cyclictest0-21swapper/409:49:5510
40048999417416,1cyclictest0-21swapper/1508:37:337
40048999417416,1cyclictest0-21swapper/1508:37:337
40048099417412,5cyclictest5117-21gnome-shell08:31:5815
40048099417412,5cyclictest5117-21gnome-shell08:31:5815
40047999417416,1cyclictest0-21swapper/808:22:5914
40048099416410,4cyclictest1092-21in:imjournal10:43:2715
40047399416416,0cyclictest0-21swapper/411:01:1410
40047399415415,0cyclictest0-21swapper/410:34:5410
40047999414414,0cyclictest0-21swapper/807:45:0114
40047999414413,1cyclictest0-21swapper/811:14:2614
40047999414413,1cyclictest0-21swapper/810:12:0914
40048999413413,0cyclictest0-21swapper/1508:28:447
40047999413413,0cyclictest0-21swapper/811:08:1614
40047999413412,1cyclictest0-21swapper/811:04:3114
40047999413412,1cyclictest0-21swapper/809:45:3014
40047099413413,0cyclictest0-21swapper/207:45:018
40048999412412,0cyclictest0-21swapper/1509:39:557
40048999412411,1cyclictest0-21swapper/1509:05:017
40048199412412,0cyclictest0-21swapper/1009:39:562
40047999412412,0cyclictest0-21swapper/807:29:5214
40047999412411,1cyclictest0-21swapper/809:06:1514
40048099411410,1cyclictest442677-21kworker/u32:208:05:4015
40047999411411,0cyclictest0-21swapper/809:32:4114
40047999411411,0cyclictest0-21swapper/807:34:1714
40047099411411,0cyclictest0-21swapper/211:09:298
40047999410409,1cyclictest0-21swapper/807:17:2714
40048099409408,1cyclictest0-21swapper/908:54:2715
40048099408407,1cyclictest0-21swapper/910:11:3115
40047699408407,1cyclictest410229-21kworker/u32:107:49:2212
40047099408408,0cyclictest0-21swapper/207:44:558
40048099407407,0cyclictest0-21swapper/911:07:2915
40047899407406,1cyclictest515596-21turbostat09:15:0113
40048099406405,1cyclictest0-21swapper/909:57:3215
40047999404403,1cyclictest477929-21kworker/8:110:33:5614
40047699404403,1cyclictest520106-21kworker/u32:209:36:1412
40047999403402,1cyclictest917962-21kworker/8:008:05:4014
40047999403402,1cyclictest563720-21kworker/u32:111:20:5914
40047999403402,1cyclictest477929-21kworker/8:110:37:2014
40047999403402,1cyclictest438480-21turbostat07:54:5514
40048099402401,1cyclictest496301-21kworker/u32:309:43:0415
40047999402401,1cyclictest917962-21kworker/8:007:40:3514
40047699402401,1cyclictest410229-21kworker/u32:107:40:5712
40047699402398,1cyclictest5200-21upowerd10:43:2612
40048099400399,1cyclictest442677-21kworker/u32:208:21:5215
40048099400399,1cyclictest0-21swapper/908:01:1715
40048099400398,2cyclictest501261-21kworker/u32:409:54:1115
40047999400399,1cyclictest477929-21kworker/8:110:24:1814
40048099399397,2cyclictest582594-21kworker/u32:310:38:2415
40048099399397,1cyclictest0-21swapper/911:10:4215
40048099399396,0cyclictest0-21swapper/907:30:5215
40048099398396,2cyclictest4771-21Xorg11:18:2115
40048099398395,3cyclictest4771-21Xorg10:30:4315
40047999398397,1cyclictest477929-21kworker/8:109:23:1214
40047099398398,0cyclictest0-21swapper/208:54:558
40047099398397,1cyclictest611290-21kworker/u32:011:16:308
40048499397397,0cyclictest0-21swapper/1210:34:124
40048099397396,1cyclictest0-21swapper/909:02:0615
40048099397396,1cyclictest0-21swapper/907:37:5815
40047999397397,0cyclictest477929-21kworker/8:109:36:1414
40047999397397,0cyclictest0-21swapper/811:16:2914
40047099397395,2cyclictest0-21swapper/207:19:118
40047999396395,1cyclictest917962-21kworker/8:008:33:5914
40047999396395,1cyclictest917962-21kworker/8:008:33:5914
40048099395395,0cyclictest0-21swapper/907:52:1215
40048099395394,1cyclictest467617-21kworker/u32:008:46:2315
40048099395394,1cyclictest0-21swapper/910:18:1215
40047899395390,0cyclictest453007-21turbostat08:05:0113
40047099395394,1cyclictest26950irq/127-xhci_hc08:23:048
40047099394393,1cyclictest26950irq/127-xhci_hc07:27:358
40047699393392,1cyclictest559088-21kworker/u32:410:20:2312
40047699393392,1cyclictest484380-21kworker/u32:108:54:2712
40047099393393,0cyclictest0-21swapper/208:34:008
40047099393393,0cyclictest0-21swapper/208:33:598
40047099393389,2cyclictest26950irq/127-xhci_hc10:43:278
40047699392390,2cyclictest442677-21kworker/u32:208:11:3212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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