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2026-05-28 - 15:24
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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 highest latencies:
System rack0slot2.osadl.org (updated Thu May 28, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227438425545,7sleep40-21swapper/407:07:004
2274695994136,4cyclictest2593385-21latency_hist09:42:067
22734932403,31sleep70-21swapper/707:02:387
227436623929,7sleep50-21swapper/507:06:455
2274690993836,2cyclictest2773691-21kworker/u16:4+flush-8:010:57:416
2274690993735,2cyclictest2460863-21kworker/u16:2+events_unbound09:23:416
2274690993432,2cyclictest2773691-21kworker/u16:4+events_unbound11:50:346
2274690993432,2cyclictest2773691-21kworker/u16:4+events_unbound11:50:346
2274690993432,2cyclictest2651382-21kworker/u16:3+events_unbound10:45:536
227413923424,7sleep60-21swapper/607:03:336
2274690993331,2cyclictest2786476-21kworker/u16:0+events_unbound11:08:416
2274690993331,2cyclictest2460863-21kworker/u16:2+flush-8:009:36:376
2274690993230,2cyclictest2786476-21kworker/u16:0+events_unbound11:24:176
2274690993230,2cyclictest2630059-21kworker/u16:0+events_unbound10:30:416
2274690993230,2cyclictest2630059-21kworker/u16:0+events_unbound10:30:416
2274685993229,3cyclictest2773691-21kworker/u16:4+flush-8:012:07:214
2274690993129,2cyclictest2952865-21kworker/u16:1+events_unbound12:31:416
2274690993129,2cyclictest2895359-21kworker/u16:3+flush-8:011:58:166
2274690993129,2cyclictest2773691-21kworker/u16:4+events_unbound12:12:126
2274690993129,2cyclictest2773691-21kworker/u16:4+events_unbound11:14:176
2274690993029,1cyclictest2630059-21kworker/u16:0+flush-8:010:11:576
2274690993028,2cyclictest2786476-21kworker/u16:0+flush-8:011:56:446
2274690993028,2cyclictest2786476-21kworker/u16:0+flush-8:011:41:336
2274690993028,2cyclictest2508969-21kworker/u16:1+flush-8:009:07:576
2274690993027,2cyclictest2460863-21kworker/u16:2+events_unbound09:27:086
30013382290,0sleep73001337-21rm12:28:137
2274690992927,2cyclictest2773691-21kworker/u16:4+events_unbound11:19:056
2274690992927,2cyclictest2508969-21kworker/u16:1+events_unbound09:57:416
2274690992927,2cyclictest2508969-21kworker/u16:1+events_unbound09:37:576
2274685992926,2cyclictest2630059-21kworker/u16:0+events_unbound09:57:214
2274695992823,4cyclictest2441673-21latency_hist08:32:067
2274695992823,4cyclictest2441673-21latency_hist08:32:067
2274690992826,2cyclictest2870875-21kworker/u16:2+events_unbound11:45:416
2274690992826,2cyclictest2786476-21kworker/u16:0+flush-8:012:19:366
2274690992825,2cyclictest2630059-21kworker/u16:0+events_unbound10:22:246
2274685992826,2cyclictest2201862-21kworker/u16:0+flush-8:007:22:204
2274695992722,4cyclictest2605482-21latency_hist09:47:067
2274690992725,2cyclictest2952865-21kworker/u16:1+flush-8:012:34:486
2274690992725,2cyclictest2952865-21kworker/u16:1+events_unbound12:25:166
2274690992725,2cyclictest2895359-21kworker/u16:3+flush-8:012:04:046
2274690992725,2cyclictest2630059-21kworker/u16:0+flush-8:010:18:166
2274690992725,2cyclictest2460863-21kworker/u16:2+events_unbound09:48:286
2274690992725,2cyclictest2460863-21kworker/u16:2+events_unbound09:48:286
2274685992725,2cyclictest2651382-21kworker/u16:3+flush-8:011:17:294
2274685992725,2cyclictest2651382-21kworker/u16:3+events_unbound11:07:294
2274690992624,2cyclictest2713577-21kworker/u16:2+flush-8:010:33:326
2274690992624,2cyclictest2651382-21kworker/u16:3+events_unbound10:16:426
2274690992624,2cyclictest2460863-21kworker/u16:2+events_unbound09:13:336
2274690992624,2cyclictest2460863-21kworker/u16:2+events_unbound09:13:336
2274690992623,2cyclictest2508969-21kworker/u16:1+flush-8:009:42:076
2274685992624,2cyclictest2773691-21kworker/u16:4+flush-8:011:57:364
2274690992523,2cyclictest2786476-21kworker/u16:0+events_unbound11:33:366
2274690992523,2cyclictest2773691-21kworker/u16:4+flush-8:012:10:446
2274690992523,2cyclictest2591081-21kworker/u16:3+events_unbound09:56:296
2274685992523,2cyclictest2952865-21kworker/u16:1+flush-8:012:32:344
2274690992422,2cyclictest2786476-21kworker/u16:0+events_unbound11:28:086
2274690992422,2cyclictest2651382-21kworker/u16:3+events_unbound10:03:096
2274690992422,2cyclictest2508969-21kworker/u16:1+flush-8:009:21:576
2274690992422,2cyclictest2460863-21kworker/u16:2+events_unbound08:57:206
2274690992422,2cyclictest2383728-21kworker/u16:1+flush-8:008:32:066
2274690992422,2cyclictest2383728-21kworker/u16:1+flush-8:008:32:066
2274685992420,3cyclictest2383728-21kworker/u16:1+flush-8:008:07:364
2274690992321,2cyclictest2630059-21kworker/u16:0+flush-8:010:50:216
2274690992221,1cyclictest2630059-21kworker/u16:0+events_unbound10:54:496
2274686992215,6cyclictest2731876-21kthreadcore10:37:245
2274686992119,2cyclictest2508969-21kworker/u16:1+flush-8:009:53:085
2274690992017,2cyclictest2460863-21kworker/u16:2+flush-8:009:02:066
2274690991917,2cyclictest2651382-21kworker/u16:3+events_unbound11:04:046
2274690991917,2cyclictest2227365-21kworker/u16:1+events_unbound07:31:426
2274690991917,2cyclictest2201862-21kworker/u16:0+flush-8:007:22:326
2274685991917,2cyclictest2895359-21kworker/u16:3+events_unbound12:02:204
2274695991814,3cyclictest1234-21snmpd10:55:137
2274695991812,5cyclictest635-21systemd-journal09:12:067
2274695991812,5cyclictest635-21systemd-journal09:12:067
2274690991816,2cyclictest2336018-21kworker/u16:2+events_unbound07:58:186
2274685991816,2cyclictest2460863-21kworker/u16:2+events_unbound08:47:204
2274695991712,4cyclictest635-21systemd-journal11:17:007
227469599170,15cyclictest124-21kswapd011:27:277
2274690991715,2cyclictest2713577-21kworker/u16:2+flush-8:010:38:246
2274690991715,2cyclictest2460863-21kworker/u16:2+events_unbound08:42:236
2274690991715,2cyclictest2336018-21kworker/u16:2+events_unbound08:03:176
2274685991715,2cyclictest2383728-21kworker/u16:1+events_unbound08:37:204
227469599160,14cyclictest0-21swapper/712:07:307
227469599160,14cyclictest0-21swapper/711:32:297
227468699160,15cyclictest0-21swapper/509:12:255
227468699160,15cyclictest0-21swapper/509:12:255
227468699160,14cyclictest0-21swapper/509:28:585
2274685991614,2cyclictest2460863-21kworker/u16:2+flush-8:009:32:324
2274685991612,3cyclictest2404481-21iostat_ios08:12:214
227468599160,15cyclictest2602669-21switchtime09:42:344
2274695991512,2cyclictest0-21swapper/709:47:067
2274695991512,2cyclictest0-21swapper/709:47:067
2274695991510,4cyclictest2297596-21latency_hist07:17:077
227469599150,14cyclictest2689119-21ssh10:20:427
227469599150,13cyclictest2508928-21diskmemload11:02:287
227469599150,13cyclictest0-21swapper/711:22:297
2274690991513,2cyclictest2383728-21kworker/u16:1+flush-8:008:39:176
2274690991513,2cyclictest2383728-21kworker/u16:1+flush-8:008:12:306
2274686991513,2cyclictest0-21swapper/511:48:305
2274686991513,2cyclictest0-21swapper/511:48:305
2274686991511,3cyclictest2786476-21kworker/u16:0+flush-8:012:28:015
2274686991511,1cyclictest0-21swapper/507:37:215
227468599150,1cyclictest0-21swapper/410:55:534
227469599149,4cyclictest2786435-21latency_hist11:02:057
227469599147,6cyclictest6032-21gmain10:06:207
2274695991413,0cyclictest0-21swapper/711:07:327
2274695991412,1cyclictest2940804-21ssh12:02:437
2274695991412,1cyclictest0-21swapper/708:02:297
2274690991412,2cyclictest2227365-21kworker/u16:1+events_unbound07:35:176
2274686991413,1cyclictest0-21swapper/510:09:295
227468699140,1cyclictest0-21swapper/512:04:545
227468699140,1cyclictest0-21swapper/509:43:575
2274685991413,1cyclictest0-21swapper/411:49:484
2274685991413,1cyclictest0-21swapper/411:49:484
2274685991413,1cyclictest0-21swapper/410:43:444
2274685991413,1cyclictest0-21swapper/409:28:514
2274685991411,2cyclictest2363814-21ntpq07:47:294
2274685991410,3cyclictest2336018-21kworker/u16:2+flush-8:007:52:244
227468599140,1cyclictest0-21swapper/412:17:054
227468599140,1cyclictest0-21swapper/409:37:314
227468599140,14cyclictest0-21swapper/411:34:494
227468599140,14cyclictest0-21swapper/410:18:504
227468599140,14cyclictest0-21swapper/410:07:294
227468599140,14cyclictest0-21swapper/410:06:134
227469599139,3cyclictest1234-21snmpd12:18:307
227469599139,3cyclictest1234-21snmpd11:55:267
227469599139,3cyclictest1234-21snmpd10:39:337
227469599139,3cyclictest1234-21snmpd09:53:267
227469599139,3cyclictest1234-21snmpd08:43:127
227469599139,3cyclictest1234-21snmpd08:34:397
2274695991310,2cyclictest1234-21snmpd08:22:037
2274690991312,1cyclictest0-21swapper/607:46:536
2274690991311,2cyclictest2336018-21kworker/u16:2+flush-8:007:52:276
2274690991310,2cyclictest2201862-21kworker/u16:0+events_unbound07:07:186
227468699139,3cyclictest2691133-21cat10:22:195
2274686991312,1cyclictest0-21swapper/511:31:105
227468699130,12cyclictest0-21swapper/507:32:195
227468699130,11cyclictest0-21swapper/509:32:195
227468699130,0cyclictest0-21swapper/510:50:485
227468599139,3cyclictest2508969-21kworker/u16:1+events_unbound09:52:284
227468599139,3cyclictest2413268-21kworker/u16:0+flush-8:008:27:324
227468599139,3cyclictest2413268-21kworker/u16:0+flush-8:008:27:324
2274685991312,1cyclictest0-21swapper/408:19:294
2274685991311,2cyclictest2460863-21kworker/u16:2+flush-8:009:07:294
227469599129,2cyclictest1234-21snmpd11:57:537
227469599129,2cyclictest1234-21snmpd11:49:117
227469599129,2cyclictest1234-21snmpd11:49:117
227469599129,2cyclictest1234-21snmpd10:15:277
227469599129,2cyclictest1234-21snmpd10:11:337
227469599129,2cyclictest1234-21snmpd09:09:227
227469599129,2cyclictest1234-21snmpd07:37:027
227469599128,3cyclictest2721388-21ssh10:32:257
227469599128,3cyclictest1234-21snmpd12:32:517
227469599128,3cyclictest1234-21snmpd12:16:547
227469599128,3cyclictest1234-21snmpd10:46:047
227469599128,3cyclictest1234-21snmpd10:23:127
227469599128,3cyclictest1234-21snmpd09:32:537
227469599128,3cyclictest1234-21snmpd09:26:597
227469599128,3cyclictest1234-21snmpd09:03:527
227469599128,3cyclictest1234-21snmpd08:09:127
227469599128,3cyclictest1234-21snmpd07:57:327
227469599127,4cyclictest6032-21gmain07:27:367
227469599126,5cyclictest6382-21gvfs-afc-volume07:52:277
227469599126,5cyclictest6382-21gvfs-afc-volume07:17:277
227469599126,5cyclictest2432084-21latency_hist08:27:067
227469599121,10cyclictest1234-21snmpd07:26:537
227469599120,11cyclictest2355203-21turbostat07:47:067
227469599120,11cyclictest1234-21snmpd07:39:237
2274690991211,1cyclictest0-21swapper/608:33:046
2274690991211,1cyclictest0-21swapper/607:12:216
2274690991210,2cyclictest2413268-21kworker/u16:0+events_unbound08:23:176
2274686991211,1cyclictest0-21swapper/512:17:595
2274686991211,1cyclictest0-21swapper/511:16:205
2274686991211,1cyclictest0-21swapper/511:03:255
2274686991211,1cyclictest0-21swapper/509:12:065
227468599129,3cyclictest2786476-21kworker/u16:0+flush-8:011:27:334
227468599129,2cyclictest2843509-21needreboot11:22:274
227468599128,3cyclictest2413268-21kworker/u16:0+flush-8:009:02:224
2274685991211,1cyclictest0-21swapper/412:28:544
2274685991211,1cyclictest0-21swapper/410:32:044
2274685991211,1cyclictest0-21swapper/410:32:044
2274685991211,1cyclictest0-21swapper/409:13:434
2274685991211,1cyclictest0-21swapper/409:13:434
2274685991211,1cyclictest0-21swapper/408:42:214
227469599118,2cyclictest1234-21snmpd12:25:427
227469599118,2cyclictest1234-21snmpd11:18:257
227469599118,2cyclictest1234-21snmpd08:56:137
227469599118,2cyclictest0-21swapper/710:27:067
227469599118,2cyclictest0-21swapper/710:27:067
227469599118,2cyclictest0-21swapper/709:27:567
227469599117,3cyclictest1234-21snmpd09:58:087
227469599117,3cyclictest1234-21snmpd07:07:137
227469599116,4cyclictest1234-21snmpd10:47:137
227469599115,5cyclictest2460824-21latency_hist08:42:067
2274695991110,0cyclictest0-21swapper/709:17:207
227469599110,9cyclictest1053-21ntpd11:42:117
227469599110,10cyclictest1234-21snmpd09:00:227
227469099111,5cyclictest0-21swapper/607:17:156
227468699117,3cyclictest2460863-21kworker/u16:2+flush-8:008:47:325
2274686991110,1cyclictest0-21swapper/508:36:385
2274686991110,1cyclictest0-21swapper/508:11:245
227468699110,11cyclictest0-21swapper/508:55:525
227468599118,3cyclictest2201863-21kworker/u16:2+events_unbound07:12:094
227468599118,2cyclictest2630059-21kworker/u16:0+events_unbound10:22:304
227468599117,3cyclictest2811739-21cat11:12:224
227468599117,3cyclictest2383728-21kworker/u16:1+flush-8:007:58:374
2274685991110,1cyclictest0-21swapper/408:59:324
227469599106,3cyclictest1234-21snmpd08:47:457
227469599105,4cyclictest6382-21gvfs-afc-volume11:37:557
227469599100,9cyclictest1234-21snmpd07:49:387
227469099109,1cyclictest0-21swapper/608:51:506
227469099108,2cyclictest2413268-21kworker/u16:0+flush-8:008:17:366
227469099105,4cyclictest2481218-21cat08:52:206
227469099100,9cyclictest2400156-21kthreadcore08:07:256
227469099100,9cyclictest2361345-21kthreadcore07:47:266
227468699108,2cyclictest2773691-21kworker/u16:4+flush-8:011:57:275
227468699108,2cyclictest2651382-21kworker/u16:3+events_unbound11:17:215
227468699106,3cyclictest2365975-21cat07:52:215
227468699105,4cyclictest2715291-21cat10:32:195
22746959994,4cyclictest918-21gmain08:12:367
22746909997,2cyclictest86-21ksoftirqd/607:37:356
22746869995,3cyclictest2679163-21cat10:17:215
22746869995,3cyclictest2630917-21cat09:57:205
22746869995,3cyclictest2500484-21cat09:02:205
22746869994,4cyclictest2770069-21cut10:52:265
22746869990,9cyclictest0-21swapper/508:37:325
22746869990,8cyclictest2590381-21taskset09:37:325
22746859995,3cyclictest2714743-21tr10:32:164
22746859994,4cyclictest2775615-21cat10:57:194
22746859994,4cyclictest2612270-21cut09:47:264
22746859994,4cyclictest2612270-21cut09:47:264
22746859990,2cyclictest0-21swapper/411:02:264
22746869987,1cyclictest0-21swapper/507:58:115
22746869986,1cyclictest0-21swapper/511:32:255
22746869986,1cyclictest0-21swapper/509:22:245
22746869984,3cyclictest2980701-21cat12:22:225
22746869984,3cyclictest2943662-21cpuspeed12:07:165
22746869984,3cyclictest2913956-21cut11:52:245
22746869984,3cyclictest2708702-21kthreadcore10:27:255
22746869984,3cyclictest2708702-21kthreadcore10:27:255
22746869983,4cyclictest2961337-21cut12:12:245
22746869983,4cyclictest2886383-21cut11:42:225
22746869983,4cyclictest2803252-21cut11:07:245
22746869983,4cyclictest2775995-21sed10:57:215
22746869983,4cyclictest2747068-21ntp_kernel_pll_10:42:285
22746869983,4cyclictest2433301-21ip_192.168.115.08:27:225
22746869983,4cyclictest2433301-21ip_192.168.115.08:27:225
22746869983,4cyclictest2429081-21grep08:22:265
22746869983,4cyclictest2420018-21kthreadcore08:17:275
22746869983,4cyclictest2356297-21tune2fs07:47:205
22746869983,4cyclictest2307992-21cat07:22:185
22746869983,4cyclictest2275799-21sed07:07:225
22746869980,7cyclictest2465137-21kthreadcore08:42:265
22746859984,3cyclictest2986762-21cut12:22:274
22746859984,3cyclictest2731699-21cut10:37:244
22746859984,3cyclictest2667065-21tune2fs10:12:204
22746859984,3cyclictest2423667-21cat08:22:214
22746859984,3cyclictest2301072-21kthreadcore07:17:254
22746859984,3cyclictest2276129-21kthreadcore07:07:244
22746859983,4cyclictest2968376-21cut12:17:194
22746859983,4cyclictest2907758-21cat11:52:164
22746859983,4cyclictest2545912-21expr09:22:174
22746859983,4cyclictest2485560-21cut08:52:254
22746859983,4cyclictest2390899-21cut08:02:264
22746859983,4cyclictest2348889-21cut07:42:244
22746859983,4cyclictest2329761-21cut07:32:224
22746859981,1cyclictest0-21swapper/409:21:074
22746869975,1cyclictest0-21swapper/510:12:205
22746869975,1cyclictest0-21swapper/510:02:195
22746869975,1cyclictest0-21swapper/509:47:205
22746869975,1cyclictest0-21swapper/509:47:205
22746869975,1cyclictest0-21swapper/507:42:235
22746869974,2cyclictest2872171-21ip_192.168.115.11:37:215
22746869974,2cyclictest2535947-21kthreadcore09:17:245
22746869974,2cyclictest2385146-21fschecks_time08:02:205
22746869973,3cyclictest3005389-21grep12:32:235
22746869973,3cyclictest2284587-21unixbench_singl07:12:075
22746869972,4cyclictest2840610-21cut11:22:245
22746869972,4cyclictest2493606-21cat08:57:245
22746869972,4cyclictest2405660-21tr08:12:235
22746869972,4cyclictest2298339-21expr07:17:205
22746869970,6cyclictest0-21swapper/507:27:235
22746859975,1cyclictest0-21swapper/410:47:174
22746859975,1cyclictest0-21swapper/407:37:204
22746859974,1cyclictest681rcuog/411:42:134
22746859973,3cyclictest2318355-21cut07:27:224
22746859972,4cyclictest2442681-21tune2fs08:32:214
22746859970,6cyclictest2871675-21expr11:37:174
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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