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2026-04-28 - 04:53
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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 all highest latencies:
System rack0slot2.osadl.org (updated Tue Apr 28, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230412125948,7sleep40-21swapper/419:04:114
230412125948,7sleep40-21swapper/419:04:114
231306624914,30sleep70-21swapper/719:06:077
231306624914,30sleep70-21swapper/719:06:077
231318924737,7sleep50-21swapper/519:07:495
231318924737,7sleep50-21swapper/519:07:495
2313577994038,2cyclictest2944807-21kworker/u16:4+flush-8:000:00:015
2313577993836,2cyclictest2527589-21kworker/u16:0+events_unbound22:28:455
2313582993731,6cyclictest2881375-21kworker/u16:0+events_unbound23:44:076
2313577993735,2cyclictest2834356-21kworker/u16:2+events_unbound23:21:535
2313577993634,2cyclictest2881375-21kworker/u16:0+events_unbound23:57:385
2313577993634,2cyclictest2788327-21kworker/u16:1+events_unbound23:35:415
2313577993634,2cyclictest2739694-21kworker/u16:1+events_unbound22:32:575
2313577993533,2cyclictest2981374-21kworker/u16:1+events_unbound00:37:445
2313577993533,2cyclictest2834356-21kworker/u16:2+events_unbound23:07:505
2313577993533,2cyclictest2470608-21kworker/u16:4+events_unbound21:17:455
2313577993432,2cyclictest2981374-21kworker/u16:1+events_unbound00:22:455
2313577993432,2cyclictest2680610-21kworker/u16:3+events_unbound22:13:425
2313577993432,2cyclictest2527589-21kworker/u16:0+events_unbound21:57:335
2313577993432,2cyclictest2480377-21kworker/u16:5+flush-8:021:29:455
2313577993331,2cyclictest2944807-21kworker/u16:4+events_unbound00:16:065
2313577993331,2cyclictest2944807-21kworker/u16:4+events_unbound00:07:425
2313577993331,2cyclictest2834356-21kworker/u16:2+events_unbound23:54:015
2313577993331,2cyclictest2788327-21kworker/u16:1+events_unbound23:02:145
2313577993331,2cyclictest2762307-21kworker/u16:2+events_unbound22:56:055
2313577993331,2cyclictest2480377-21kworker/u16:5+events_unbound22:23:505
2313577993331,2cyclictest2480377-21kworker/u16:5+events_unbound21:47:455
2313577993331,2cyclictest2480377-21kworker/u16:5+events_unbound21:36:345
27263492320,1chrt2726347-21ssh22:21:507
2313577993230,2cyclictest2910662-21kworker/u16:3+events_unbound23:47:505
2313577993230,2cyclictest2834356-21kworker/u16:2+events_unbound23:29:495
2313577993230,2cyclictest2527589-21kworker/u16:0+events_unbound22:08:335
2313577993230,2cyclictest2480377-21kworker/u16:5+events_unbound21:50:505
2313584993126,4cyclictest635-21systemd-journal19:29:027
2313584993126,4cyclictest2583012-21latency_hist21:24:087
2313577993129,2cyclictest2944807-21kworker/u16:4+events_unbound00:33:015
2313577993129,2cyclictest2944807-21kworker/u16:4+events_unbound00:27:385
2313577993129,2cyclictest2834356-21kworker/u16:2+events_unbound23:41:375
2313577993129,2cyclictest2739694-21kworker/u16:1+events_unbound22:40:425
2313577993129,2cyclictest2680610-21kworker/u16:3+events_unbound22:35:065
2313577993129,2cyclictest2570992-21kworker/u16:1+events_unbound22:04:045
2313577993129,2cyclictest2527589-21kworker/u16:0+events_unbound22:50:255
2313577993129,2cyclictest2527589-21kworker/u16:0+events_unbound21:11:335
2313584993025,4cyclictest635-21systemd-journal21:39:077
2313577993028,2cyclictest2480377-21kworker/u16:5+events_unbound21:20:415
2313582992927,2cyclictest2788327-21kworker/u16:1+events_unbound23:04:216
2313577992927,2cyclictest2788327-21kworker/u16:1+events_unbound23:15:205
2313577992927,2cyclictest2788327-21kworker/u16:1+events_unbound23:12:145
2313573992927,2cyclictest2834356-21kworker/u16:2+events_unbound00:16:204
26068722280,1chrt2606870-21ssh21:33:417
2313582992826,2cyclictest2981374-21kworker/u16:1+flush-8:000:34:326
2313577992826,2cyclictest2365582-21kworker/u16:2+events_unbound20:15:465
2313573992826,2cyclictest2393896-21kworker/u16:1+events_unbound19:51:344
2313577992725,2cyclictest2981374-21kworker/u16:1+events_unbound00:12:025
2313577992725,2cyclictest2762307-21kworker/u16:2+events_unbound22:47:255
2313577992725,2cyclictest2570992-21kworker/u16:1+events_unbound21:27:315
2313577992725,2cyclictest2393896-21kworker/u16:1+events_unbound20:27:275
2313577992725,2cyclictest2285099-21kworker/u16:3+events_unbound19:09:115
2313573992725,2cyclictest2480377-21kworker/u16:5+flush-8:020:56:454
2313577992623,2cyclictest2393896-21kworker/u16:1+events_unbound20:19:095
2313573992624,2cyclictest2480377-21kworker/u16:5+events_unbound22:17:114
2313573992624,2cyclictest2480377-21kworker/u16:5+events_unbound21:20:154
2313573992624,2cyclictest2393896-21kworker/u16:1+events_unbound20:13:454
2313573992624,2cyclictest2323050-21kworker/u16:1+events_unbound19:25:134
2313582992523,2cyclictest2527589-21kworker/u16:0+events_unbound22:14:376
2313582992523,2cyclictest2480377-21kworker/u16:5+events_unbound20:44:226
2313577992523,2cyclictest2403880-21kworker/u16:3+events_unbound19:58:555
2313577992522,2cyclictest2285099-21kworker/u16:3+flush-8:019:19:085
2313573992523,2cyclictest2393896-21kworker/u16:1+events_unbound20:28:344
2313573992523,2cyclictest2365582-21kworker/u16:2+events_unbound19:41:144
2313584992419,4cyclictest2422604-21latency_hist20:04:077
2313582992422,2cyclictest2527589-21kworker/u16:0+events_unbound22:49:306
2313577992422,2cyclictest2480377-21kworker/u16:5+events_unbound21:41:395
2313577992422,2cyclictest2365582-21kworker/u16:2+flush-8:019:59:465
2313573992422,2cyclictest2834356-21kworker/u16:2+events_unbound23:34:544
2313573992422,2cyclictest2480377-21kworker/u16:5+events_unbound22:01:554
2313573992422,2cyclictest2470608-21kworker/u16:4+events_unbound21:06:254
2313573992422,2cyclictest2470607-21kworker/u16:2+events_unbound20:48:534
2313577992321,2cyclictest2834356-21kworker/u16:2+events_unbound23:25:435
2313577992321,2cyclictest2480377-21kworker/u16:5+events_unbound22:18:395
2313577992321,2cyclictest2480377-21kworker/u16:5+events_unbound20:56:385
2313577992321,2cyclictest2393896-21kworker/u16:1+events_unbound20:07:105
2313577992321,2cyclictest2336878-21kworker/u16:0+events_unbound19:37:105
2313577992321,2cyclictest2285099-21kworker/u16:3+events_unbound19:15:545
2313573992321,2cyclictest2944807-21kworker/u16:4+events_unbound00:03:034
2313573992321,2cyclictest2470607-21kworker/u16:2+events_unbound20:53:334
2313573992321,2cyclictest2393896-21kworker/u16:1+events_unbound20:20:294
2313573992321,2cyclictest2336878-21kworker/u16:0+events_unbound19:23:274
231307422313,7sleep60-21swapper/619:06:146
231307422313,7sleep60-21swapper/619:06:146
2313582992220,2cyclictest2834356-21kworker/u16:2+events_unbound00:04:296
2313577992220,2cyclictest2480377-21kworker/u16:5+events_unbound20:36:545
2313577992220,2cyclictest2470608-21kworker/u16:4+events_unbound20:32:465
2313577992220,2cyclictest2422984-21kworker/u16:0+events_unbound20:09:585
2313573992220,2cyclictest2365582-21kworker/u16:2+events_unbound20:15:164
2313573992220,2cyclictest2285099-21kworker/u16:3+events_unbound19:32:254
2313573992220,2cyclictest2285099-21kworker/u16:3+events_unbound19:32:254
2313582992119,2cyclictest2527589-21kworker/u16:0+flush-8:023:14:326
2313582992119,2cyclictest2422984-21kworker/u16:0+events_unbound20:09:216
2313577992119,2cyclictest2470607-21kworker/u16:2+events_unbound20:50:455
2313577992119,2cyclictest2336878-21kworker/u16:0+events_unbound19:52:465
2313577992119,2cyclictest2285099-21kworker/u16:3+flush-8:019:27:435
2313573992119,2cyclictest2365582-21kworker/u16:2+flush-8:019:44:574
2313573992119,2cyclictest2365582-21kworker/u16:2+events_unbound20:03:334
2313582992018,2cyclictest2834356-21kworker/u16:2+flush-8:023:49:236
2313582992018,2cyclictest2393896-21kworker/u16:1+events_unbound20:19:216
2313582992018,2cyclictest2365582-21kworker/u16:2+flush-8:020:14:386
2313582992016,3cyclictest2393896-21kworker/u16:1+events_unbound19:49:256
2313577992018,2cyclictest2480377-21kworker/u16:5+events_unbound20:47:105
2313577992018,2cyclictest2470607-21kworker/u16:2+events_unbound20:40:455
2313573992018,2cyclictest2834356-21kworker/u16:2+events_unbound23:29:514
2313573992018,2cyclictest2570992-21kworker/u16:1+events_unbound21:29:504
2313573992018,2cyclictest2480377-21kworker/u16:5+events_unbound21:00:544
2313573992018,2cyclictest2470607-21kworker/u16:2+events_unbound20:41:344
2313584991914,4cyclictest635-21systemd-journal21:14:077
2313584991914,4cyclictest2527772-21latency_hist20:59:077
2313582991917,2cyclictest2762307-21kworker/u16:2+flush-8:022:39:346
2313573991917,2cyclictest2981374-21kworker/u16:1+events_unbound00:35:004
2313573991917,2cyclictest2834356-21kworker/u16:2+flush-8:000:04:524
2313582991816,2cyclictest2285099-21kworker/u16:3+flush-8:019:14:346
2313577991816,2cyclictest2336878-21kworker/u16:0+events_unbound19:46:465
2313573991816,2cyclictest2527589-21kworker/u16:0+events_unbound22:49:384
2313573991816,2cyclictest2527589-21kworker/u16:0+events_unbound21:35:164
2313573991816,2cyclictest2422984-21kworker/u16:0+events_unbound20:07:594
2313573991816,2cyclictest2365582-21kworker/u16:2+events_unbound19:35:304
231357399180,1cyclictest0-21swapper/422:44:054
2313584991711,5cyclictest2460826-21latency_hist20:24:087
231358499170,1cyclictest0-21swapper/723:34:317
2313582991715,2cyclictest2527589-21kworker/u16:0+flush-8:020:59:276
2313577991715,2cyclictest2527589-21kworker/u16:0+events_unbound21:00:025
2313573991715,2cyclictest2527589-21kworker/u16:0+flush-8:022:09:334
2313573991715,2cyclictest2480377-21kworker/u16:5+flush-8:022:24:544
2313573991715,2cyclictest2470607-21kworker/u16:2+events_unbound20:38:444
2313573991715,2cyclictest2459694-21kworker/u16:3+events_unbound20:30:254
2313573991715,2cyclictest2241415-21kworker/u16:0+events_unbound19:11:284
2313573991714,2cyclictest2788327-21kworker/u16:1+events_unbound23:09:144
2313584991612,3cyclictest1234-21snmpd21:50:167
231358499160,14cyclictest0-21swapper/720:49:297
2313582991614,2cyclictest2944807-21kworker/u16:4+events_unbound00:09:346
2313582991614,2cyclictest2570992-21kworker/u16:1+events_unbound21:24:206
2313582991614,2cyclictest2323050-21kworker/u16:1+events_unbound19:24:226
2313577991614,2cyclictest2480377-21kworker/u16:5+events_unbound21:08:065
2313573991614,2cyclictest2323051-21kworker/u16:4+events_unbound19:15:404
231358499159,5cyclictest2631219-21latency_hist21:44:077
231358499159,5cyclictest2393895-21latency_hist19:49:087
2313584991512,2cyclictest1234-21snmpd22:14:387
2313584991510,4cyclictest2824193-21latency_hist23:04:077
231358499150,14cyclictest0-21swapper/723:19:327
231358499150,14cyclictest0-21swapper/720:29:337
231358499150,13cyclictest0-21swapper/700:14:347
2313582991513,2cyclictest2981374-21kworker/u16:1+events_unbound00:19:226
2313582991513,2cyclictest2470608-21kworker/u16:4+flush-8:021:09:336
2313577991513,2cyclictest2285099-21kworker/u16:3+events_unbound19:33:455
2313577991513,2cyclictest2285099-21kworker/u16:3+events_unbound19:33:455
2313573991513,2cyclictest2762307-21kworker/u16:2+flush-8:022:54:504
2313573991513,2cyclictest2570992-21kworker/u16:1+flush-8:021:49:174
2313573991513,2cyclictest2403880-21kworker/u16:3+flush-8:019:54:554
2313573991512,2cyclictest2944807-21kworker/u16:4+events_unbound00:09:084
2313573991512,2cyclictest2925725-21cut23:44:284
231358499146,6cyclictest6382-21gvfs-afc-volume19:34:287
2313584991410,3cyclictest1234-21snmpd20:26:467
2313582991412,2cyclictest2570992-21kworker/u16:1+flush-8:021:44:396
2313582991412,2cyclictest2527589-21kworker/u16:0+flush-8:022:09:236
2313582991411,3cyclictest2470607-21kworker/u16:2+flush-8:020:39:396
231358299140,1cyclictest0-21swapper/623:09:266
2313573991413,1cyclictest0-21swapper/423:26:104
2313573991413,1cyclictest0-21swapper/422:33:314
2313573991412,2cyclictest2480377-21kworker/u16:5+events_unbound21:46:384
231357399140,1cyclictest0-21swapper/422:48:394
231357399140,14cyclictest0-21swapper/421:25:054
231357399140,14cyclictest0-21swapper/400:27:304
231358499139,3cyclictest1234-21snmpd20:18:017
231358499139,3cyclictest1234-21snmpd00:37:267
231358499138,4cyclictest6382-21gvfs-afc-volume22:09:247
2313584991312,0cyclictest0-21swapper/721:48:047
2313584991311,1cyclictest2946787-21sh23:54:237
2313584991311,1cyclictest0-21swapper/721:14:377
231358499130,11cyclictest1234-21snmpd19:55:397
231358499130,11cyclictest1053-21ntpd22:32:007
2313582991312,1cyclictest0-21swapper/621:34:226
2313582991311,2cyclictest2739694-21kworker/u16:1+flush-8:022:29:466
2313582991310,2cyclictest2527589-21kworker/u16:0+events_unbound22:04:316
2313573991311,2cyclictest2944807-21kworker/u16:4+events_unbound00:29:414
2313573991311,2cyclictest2881375-21kworker/u16:0+flush-8:023:39:344
2313573991311,2cyclictest2527589-21kworker/u16:0+events_unbound21:09:214
231358499129,2cyclictest1234-21snmpd23:29:397
231358499129,2cyclictest1234-21snmpd21:28:127
231358499129,2cyclictest1234-21snmpd20:44:297
231358499128,3cyclictest1234-21snmpd23:18:127
231358499128,3cyclictest1234-21snmpd22:39:357
231358499128,3cyclictest1234-21snmpd19:16:207
231358499126,5cyclictest6382-21gvfs-afc-volume22:27:447
231358499125,6cyclictest6032-21gmain23:25:567
231358499121,9cyclictest1234-21snmpd00:29:207
2313584991210,1cyclictest2800304-21sed22:54:087
2313584991210,1cyclictest2664280-21ssh21:54:337
2313584991210,1cyclictest0-21swapper/722:04:087
231358499120,11cyclictest1234-21snmpd22:06:347
231358499120,11cyclictest1234-21snmpd20:39:567
231358499120,11cyclictest1234-21snmpd19:53:547
231358499120,10cyclictest1234-21snmpd21:05:507
231358299124,7cyclictest0-21swapper/622:19:316
231358299122,9cyclictest2522283-21kthreadcore20:54:266
2313582991211,1cyclictest0-21swapper/621:56:166
2313582991211,1cyclictest0-21swapper/621:04:246
2313573991210,2cyclictest2739694-21kworker/u16:1+flush-8:022:39:074
231358499118,2cyclictest1234-21snmpd00:25:147
231358499118,2cyclictest1234-21snmpd00:11:357
231358499117,3cyclictest1234-21snmpd19:43:127
231358499117,3cyclictest1234-21snmpd00:05:347
231358499117,3cyclictest1234-21snmpd00:03:587
231358499116,4cyclictest2489582-21systemd-run20:39:087
231358499115,5cyclictest6382-21gvfs-afc-volume00:19:237
231358499110,10cyclictest1234-21snmpd22:46:277
231358299118,2cyclictest2652230-21ntpq21:49:326
231358299116,4cyclictest2945963-21cat23:54:216
231358299111,9cyclictest2868357-21kthreadcore23:19:286
231358299110,4cyclictest2735526-21kthreadcore22:24:276
231358299110,11cyclictest0-21swapper/619:31:516
231358299110,11cyclictest0-21swapper/619:31:516
231357399119,2cyclictest2834356-21kworker/u16:2+flush-8:000:19:494
231357399119,2cyclictest2812144-21kworker/u16:3+events_unbound23:01:454
231357399119,1cyclictest2950670-21tr23:54:254
231358499108,1cyclictest0-21swapper/722:34:237
231358499108,1cyclictest0-21swapper/720:59:257
231358499108,1cyclictest0-21swapper/719:29:267
231358499108,1cyclictest0-21swapper/719:29:267
231358499107,2cyclictest1234-21snmpd19:21:417
231358499107,2cyclictest1234-21snmpd19:10:327
231358499107,2cyclictest0-21swapper/723:39:207
231358499107,2cyclictest0-21swapper/722:55:167
231358499106,3cyclictest2942388-21ssh23:49:547
231358499106,3cyclictest1234-21snmpd23:04:277
231358499100,9cyclictest1234-21snmpd20:12:017
231358499100,9cyclictest1234-21snmpd20:07:467
231358499100,9cyclictest1053-21ntpd23:47:007
231358299108,2cyclictest86-21ksoftirqd/623:59:216
231358299106,3cyclictest3033382-21kthreadcore00:29:266
231358299106,3cyclictest2596354-21cat21:29:236
231358299105,4cyclictest2404660-21cat19:54:236
231358299104,5cyclictest0-21swapper/622:54:276
231358299100,4cyclictest2813334-21tune2fs22:59:226
231358299100,3cyclictest2892921-21kthreadcore23:29:266
231358299100,3cyclictest2776576-21grep22:44:226
231357399108,2cyclictest2858993-21kworker/u16:3+events_unbound23:16:524
231357399108,2cyclictest2834356-21kworker/u16:2+events_unbound23:19:204
231357399108,2cyclictest2527589-21kworker/u16:0+events_unbound21:54:124
231357399106,3cyclictest2680663-21cat22:04:224
23135849990,8cyclictest951ktimers/723:09:137
23135829997,2cyclictest86-21ksoftirqd/621:39:086
23135829997,2cyclictest86-21ksoftirqd/621:15:286
23135829996,2cyclictest0-21swapper/600:24:326
23135829995,3cyclictest2470821-21cpu20:29:196
23135829995,3cyclictest2336878-21kworker/u16:0+flush-8:019:34:256
23135829994,4cyclictest2314506-21tune2fs19:09:226
23135829993,5cyclictest0-21swapper/600:14:226
23135829990,8cyclictest2921651-21awk23:44:226
23135829990,8cyclictest2897330-21cat23:34:206
23135829990,8cyclictest2754460-21kthreadcore22:34:226
23135829990,8cyclictest2572010-21grep21:19:216
23135829990,8cyclictest2379204-21cut19:39:276
23135829990,8cyclictest0-21swapper/620:34:266
23135829990,4cyclictest2323430-21munin-node21:59:206
23135829990,3cyclictest2879508-21cut23:24:286
23135829990,2cyclictest2388209-21grep19:44:276
23135829990,2cyclictest2336869-21/usr/sbin/munin19:19:296
23135739998,1cyclictest0-21swapper/423:08:594
23135739997,2cyclictest2680610-21kworker/u16:3+events_unbound22:20:074
23135739997,2cyclictest2527589-21kworker/u16:0+events_unbound21:40:094
23135739997,2cyclictest2480377-21kworker/u16:5+events_unbound21:18:144
23135829986,1cyclictest0-21swapper/620:24:286
23135829984,3cyclictest2414270-21ps19:59:246
23135829983,4cyclictest2423745-21hwlatdetect20:04:236
23135829980,1cyclictest0-21swapper/620:49:246
23135739986,1cyclictest0-21swapper/423:49:234
23135779975,1cyclictest0-21swapper/519:39:215
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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