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2026-06-14 - 13:11
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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 792 highest latencies:
System rackeslot8.osadl.org (updated Sun Jun 14, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2196799992926,1cyclictest0-21swapper/320:55:273
2196799992623,1cyclictest0-21swapper/300:40:013
2196799992623,1cyclictest0-21swapper/300:20:013
2196799992522,1cyclictest0-21swapper/322:30:013
219679999251,10cyclictest2275689-21sleep20:10:003
2196799992421,1cyclictest0-21swapper/321:48:313
2196799992421,1cyclictest0-21swapper/321:45:003
2196799992421,1cyclictest0-21swapper/320:00:273
23679822230,3sleep30-21swapper/321:20:013
2196799992320,1cyclictest0-21swapper/323:20:103
2196799992320,1cyclictest0-21swapper/322:50:013
2196799992320,1cyclictest0-21swapper/322:15:143
219679999222,15cyclictest2320435-21taskset20:44:213
2196799992219,1cyclictest0-21swapper/323:55:003
2196799992219,1cyclictest0-21swapper/323:30:213
2196799992219,1cyclictest0-21swapper/321:55:253
2196799992219,1cyclictest0-21swapper/321:25:193
2196799992118,1cyclictest0-21swapper/322:31:303
2196799992017,1cyclictest0-21swapper/321:35:253
219679999201,14cyclictest2262629-21taskset19:57:023
219679999201,13cyclictest2600045-21taskset23:49:553
219679999197,8cyclictest24379102sleep322:05:123
219679999192,13cyclictest2304270-21taskset20:30:173
2196799991917,1cyclictest0-21swapper/323:00:153
2196799991916,1cyclictest0-21swapper/323:20:003
2196799991916,1cyclictest0-21swapper/320:20:123
2196799991916,1cyclictest0-21swapper/319:20:083
219679999191,14cyclictest2654310-21turbostat00:25:003
219679999191,14cyclictest2623310-21turbostat00:05:003
219679999191,14cyclictest2436110-21taskset22:00:463
219679999191,14cyclictest2205645-21chrt19:15:123
22720372183,7sleep22273830-21cut20:05:202
2196799991816,1cyclictest0-21swapper/319:25:103
2196799991815,1cyclictest0-21swapper/323:25:153
2196799991815,1cyclictest0-21swapper/323:15:003
2196799991815,1cyclictest0-21swapper/300:05:183
2196799991814,1cyclictest0-21swapper/323:40:113
219679999181,14cyclictest2507573-21taskset22:50:143
219679999181,13cyclictest2669727-21turbostat00:35:003
219679999181,13cyclictest2631487-21chrt00:10:173
219679999181,13cyclictest2614560-21taskset23:57:143
219679999181,13cyclictest2581886-21taskset23:35:203
219679999181,13cyclictest2520699-21taskset22:55:233
219679999181,13cyclictest2451784-21taskset22:11:173
219679999181,13cyclictest2420693-21taskset21:51:003
219679999181,13cyclictest2359305-21taskset21:12:233
219679999181,13cyclictest2352135-21taskset21:05:293
219679999181,13cyclictest2339905-21taskset21:00:083
219679999181,13cyclictest2326612-21taskset20:46:573
219679999181,13cyclictest2313850-21taskset20:37:113
219679999181,13cyclictest2249189-21taskset19:45:233
219679999181,13cyclictest2224850-21taskset19:30:123
25714092177,6sleep12573014-21cut23:30:181
24161112177,7sleep12416978-21cut21:50:191
219679999172,12cyclictest2282017-21taskset20:14:423
2196799991715,1cyclictest0-21swapper/321:20:073
2196799991715,1cyclictest0-21swapper/319:40:013
2196799991714,1cyclictest0-21swapper/319:50:223
219679999171,13cyclictest2288251-21taskset20:17:433
219679999171,12cyclictest2537038-21taskset23:06:343
219679999171,12cyclictest2466968-21taskset22:20:393
219679999171,12cyclictest2300180-21taskset20:25:203
219679999171,12cyclictest2231858-21chrt19:35:173
219679999171,12cyclictest2202920-21taskset19:11:393
23480392160,3sleep02349755-21grep21:05:190
2196799991613,1cyclictest0-21swapper/300:25:173
219679999161,12cyclictest2492373-21taskset22:40:163
219679999161,12cyclictest2490879-21taskset22:37:273
219679999161,12cyclictest2332858-21chrt20:50:303
219679999160,12cyclictest2383711-21taskset21:30:073
25208232141,10sleep02521023-21/usr/sbin/munin22:55:250
24200432140,11sleep02420126-21ssh21:50:260
24045752141,9sleep02404610-21ntpq21:40:230
23991542130,10sleep12398921-21sendmail-msp21:40:041
26771572120,9sleep12677163-21ssh00:39:061
26687022121,8sleep12584516-21kworker/u16:1+nfsiod00:32:011
24358082121,8sleep12436024-21users22:00:281
23588622120,8sleep12358866-21ssh21:11:061
26477572111,7sleep12648479-21cat00:20:181
25986682110,2sleep20-21swapper/223:45:472
25224062110,8sleep12522412-21ssh22:59:111
24920642111,7sleep02491831-21sendmail-msp22:40:050
23914952111,2sleep1171rcu_preempt21:35:111
22947442110,1sleep00-21swapper/020:23:300
22567222112,4sleep12256755-21apt-get19:55:121
21966452110,2sleep30-21swapper/319:09:553
25917272100,8sleep22591733-21ssh23:43:102
25518032101,7sleep12552064-21unixbench_singl23:15:271
25049292101,4sleep22505043-21ntpq22:45:212
24847382100,7sleep02484828-21irqcore22:35:160
24747892100,7sleep22474795-21ssh22:25:522
24662892102,4sleep22466330-21ntpq22:20:232
23467582101,6sleep22347227-21irqcore21:05:172
22876172101,5sleep12287739-21python320:15:251
22823132102,4sleep02282343-21apt-get20:15:120
22521932100,7sleep22253910-21cut19:50:192
22178872100,8sleep02217889-21sshd-auth19:21:310
22171172101,6sleep12217205-21ntpq19:20:201
2661558290,7sleep22661562-21ssh00:28:452
2621234291,5sleep02621266-21ntpq00:00:240
2615486291,5sleep086188-21systemd-journal00:00:000
2611319295,2sleep12613128-21tr23:55:201
2602470294,3sleep12604083-21kthreadcore23:50:191
2584511290,1sleep20-21swapper/223:39:452
2560859290,2sleep12560865-21ssh23:23:371
2559846290,2sleep2222-21plymouthd23:20:332
2552639290,2sleep0222-21plymouthd23:17:060
2546241292,3sleep22546276-21apt-get23:15:122
2543789290,6sleep02543843-21grep23:10:210
2538492291,4sleep12538525-21apt-get23:10:091
2536760295,2sleep20-21swapper/223:05:492
2513026291,2sleep00-21swapper/022:50:280
2499829291,4sleep12499866-21apt-get22:45:121
2497278290,6sleep12492090-21/usr/sbin/munin22:40:231
2467572290,1sleep00-21swapper/022:22:290
2460084290,1sleep00-21swapper/022:18:040
2430142296,1sleep20-21swapper/222:00:102
2406974291,5sleep12407136-21ssh21:45:141
2391730290,2sleep0222-21plymouthd21:35:140
2345759291,4sleep2222-21plymouthd21:01:162
2333938291,5sleep02334774-21cut20:55:170
2333211290,6sleep02333391-21latency_hist20:55:010
2275540290,3sleep1222-21plymouthd20:08:311
2256293290,3sleep0222-21plymouthd19:52:590
2246392291,2sleep2222-21plymouthd19:45:192
2230856290,2sleep2222-21plymouthd19:33:522
2190607290,4sleep10-21swapper/119:05:131
2190571290,4sleep00-21swapper/019:05:120
2659860281,4sleep02659905-21ntpq00:25:220
2646059280,1sleep1222-21plymouthd00:18:291
2637417280,2sleep0222-21plymouthd00:10:470
2628848281,4sleep12628941-21ntpq00:05:221
2621131281,4sleep22621174-21ntpq00:00:222
2615794280,5sleep12615554-21sendmail-msp00:00:051
2607378280,2sleep2222-21plymouthd23:53:492
2574763281,4sleep22574806-21ssh23:30:232
2535892282,4sleep12536040-21ldconfig23:05:201
2522839281,4sleep0222-21plymouthd23:00:020
2513421281,4sleep12513425-21ssh22:50:371
2507950281,5sleep22508113-21cut22:50:182
2490267281,4sleep12490273-21ssh22:35:371
2483852281,4sleep22482076-21kworker/u16:3+nfsiod22:34:342
2483184281,3sleep0222-21plymouthd22:32:360
2453051281,5sleep12453142-21cat22:15:011
2451825280,4sleep22451833-21ssh22:11:252
2450736281,4sleep02450880-21ntpq22:10:190
2436864280,1sleep00-21swapper/022:02:570
2429421281,3sleep0222-21plymouthd21:58:560
2413430280,1sleep2222-21plymouthd21:47:192
2396693281,4sleep20-21swapper/221:35:202
2374608281,4sleep22374614-21ssh21:21:412
2368483281,4sleep02368682-21hddtemp_smartct21:20:150
2368305281,4sleep12368014-21sendmail-msp21:20:121
2367946281,4sleep22367970-21ssh21:20:012
2366490280,1sleep10-21swapper/121:15:511
2353989280,5sleep22354957-21kthreadcore21:10:192
2353027281,4sleep0222-21plymouthd21:10:170
2349756280,2sleep10-21swapper/121:05:201
2340868280,5sleep02341795-21grep21:00:180
2338705280,4sleep22338751-21ntpq20:55:232
2333060281,4sleep2222-21plymouthd20:53:072
2327117281,3sleep12327150-21apt-get20:50:131
2326022280,4sleep134-21ksoftirqd/120:45:231
2320451280,1sleep20-21swapper/220:44:332
2307455281,4sleep2222-21plymouthd20:31:462
2306837281,4sleep02306867-21ntpq20:30:230
2301319280,2sleep10-21swapper/120:30:001
2300349281,4sleep02300386-21ntpq20:25:210
2287492284,2sleep22287534-21ntpq20:15:222
2269578281,3sleep00-21swapper/020:05:140
2249093281,4sleep12249136-21ntpq19:45:221
2236372281,4sleep02236415-21ntpq19:35:230
2198785281,4sleep12200510-21tr19:10:181
2196993280,5sleep22196997-21acpi19:10:112
2677051270,1sleep00-21swapper/000:38:490
2676062271,4sleep22676068-21ssh00:35:472
2667544270,4sleep22667587-21ntpq00:30:212
2640584271,4sleep22641612-21cat00:15:182
2639130270,4sleep0222-21plymouthd00:15:080
2638018270,4sleep22638024-21ssh00:12:332
2636774270,4sleep12636806-21ssh00:10:281
2608518271,3sleep22609018-21irqcore23:55:172
2585421271,4sleep02586223-21cut23:40:160
2568395270,5sleep12568399-21ssh23:28:061
2559216271,3sleep02559259-21ntpq23:20:230
2537797270,4sleep0222-21plymouthd23:08:480
2521719270,1sleep20-21swapper/222:57:072
2498484270,2sleep22498488-21ssh22:42:042
2482317271,3sleep1222-21plymouthd22:30:281
2475462270,2sleep12475468-21ssh22:27:521
2443440271,3sleep12443606-21sed22:05:261
2437620272,3sleep02243427-21kworker/0:0+kacpi_notify22:05:010
2428871270,1sleep10-21swapper/121:57:201
2419952271,3sleep22419989-21ntpq21:50:242
2404472270,3sleep22404517-21ntpq21:40:222
2391139270,4sleep22391223-21date21:35:002
2390931271,3sleep12390936-21diskmemload21:34:271
2383719270,1sleep00-21swapper/021:30:090
2382141270,1sleep00-21swapper/021:26:120
2341796270,5sleep12343515-21tr21:00:191
2324957271,3sleep02325748-21missed_timers20:45:190
2320365270,1sleep00-21swapper/020:43:260
2314053270,1sleep20-21swapper/220:39:402
2308010270,4sleep00-21swapper/020:35:130
2300833271,3sleep2222-21plymouthd20:25:282
2281910271,3sleep0222-21plymouthd20:13:200
2269229270,4sleep134-21ksoftirqd/120:04:311
2268927270,1sleep00-21swapper/020:00:370
2263149271,3sleep22263181-21apt-get20:00:112
2262589270,1sleep00-21swapper/019:56:320
2249923270,1sleep00-21swapper/019:48:180
2243521270,1sleep00-21swapper/019:42:490
2231215270,3sleep22231248-21apt-get19:35:132
2230609271,3sleep0222-21plymouthd19:30:420
2224256270,1sleep10-21swapper/119:25:581
2209594271,3sleep12210644-21memory19:15:191
2195931271,3sleep22196038-21find19:05:262
2668367260,2sleep0222-21plymouthd00:30:590
2657978260,4sleep12659630-21cat00:25:191
2653304260,3sleep22653310-21ssh00:22:032
2630716260,4sleep00-21swapper/000:08:500
2623640260,2sleep20-21swapper/200:05:112
2606415260,4sleep0222-21plymouthd23:51:020
2593593260,4sleep12594342-21kthreadcore23:45:181
2592704261,2sleep00-21swapper/023:45:130
2584928260,4sleep1222-21plymouthd23:40:091
2578612260,4sleep134-21ksoftirqd/123:35:191
2577693260,2sleep00-21swapper/023:35:180
2576653260,1sleep00-21swapper/023:34:300
2568140261,2sleep0222-21plymouthd23:27:170
2566915261,2sleep22553308-21kworker/u16:4+rpciod23:25:212
2538532260,3sleep2222-21plymouthd23:10:112
2530253260,1sleep10-21swapper/123:04:361
2523084260,2sleep2222-21plymouthd23:00:122
2489596260,3sleep22489641-21ntpq22:35:222
2470603261,2sleep02472323-21cut22:25:180
2461025260,4sleep10-21swapper/122:20:101
2453374260,2sleep20-21swapper/222:15:142
2441293260,3sleep2222-21plymouthd22:05:192
2427686261,2sleep22427727-21ntpq21:55:252
2382278260,3sleep2222-21plymouthd21:26:342
2376057260,3sleep12376113-21ssh21:25:131
2360540261,2sleep00-21swapper/021:15:140
2339440261,2sleep10-21swapper/120:57:431
2308979261,2sleep10-21swapper/120:35:181
2294854260,3sleep1222-21plymouthd20:24:551
2294783260,1sleep20-21swapper/220:24:002
2281943260,3sleep172-21kcompactd020:13:451
2262724260,1sleep20-21swapper/219:58:142
2256211261,2sleep1222-21plymouthd19:51:561
2239033260,3sleep20-21swapper/219:40:182
2238088260,3sleep1222-21plymouthd19:40:161
2237114260,1sleep10-21swapper/119:37:321
2226459261,2sleep10-21swapper/119:30:191
2222229260,3sleep22218431-21/usr/sbin/munin19:25:192
2218099260,3sleep2222-21plymouthd19:24:142
2211645260,3sleep2222-21plymouthd19:18:372
2203368260,3sleep02203672-21grep19:15:020
2651875251,2sleep00-21swapper/000:20:210
2500029250,3sleep02500148-21fw_packets22:45:150
2457436250,2sleep12458401-21ssh22:15:211
2413198250,2sleep0222-21plymouthd21:46:370
2326102252,2sleep22320757-21/usr/sbin/munin20:45:252
2314367251,2sleep1874-21rs:main1
2301587250,2sleep1222-21plymouthd20:30:081
2281864250,2sleep2222-21plymouthd20:12:452
2219499250,2sleep02220468-21kthreadcore19:25:170
2202895250,2sleep0222-21plymouthd19:11:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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