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2026-06-28 - 14:21
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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 rackeslot8.osadl.org (updated Sun Jun 28, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227575421270,2sleep2421rcuc/220:30:132
25600982690,2sleep12560101-21grep23:35:271
23792372370,3sleep2222-21plymouthd21:40:252
2170952992717,7cyclictest2320162-21turbostat21:05:013
2170952992623,1cyclictest0-21swapper/321:40:003
2170952992522,1cyclictest0-21swapper/322:00:213
2170952992522,1cyclictest0-21swapper/322:00:203
2170952992421,1cyclictest0-21swapper/323:20:023
217095299241,19cyclictest2545984-21turbostat23:30:013
2170952992320,1cyclictest0-21swapper/321:20:013
217095299222,7cyclictest2647892-21turbostat00:35:003
2170952992220,1cyclictest0-21swapper/321:20:033
2170952992118,1cyclictest0-21swapper/322:55:263
2170952992118,1cyclictest0-21swapper/322:20:013
217095299211,15cyclictest2313677-21taskset20:59:333
24987222205,8sleep22498727-21diskmemload22:59:292
217095299202,15cyclictest2568158-21taskset23:40:593
2170952992018,1cyclictest0-21swapper/323:55:133
2170952992017,1cyclictest0-21swapper/323:10:143
2170952992017,1cyclictest0-21swapper/323:05:003
2170952992017,1cyclictest0-21swapper/320:20:013
2170952992017,1cyclictest0-21swapper/320:00:153
2170952992017,1cyclictest0-21swapper/300:05:143
2170952992016,1cyclictest0-21swapper/322:40:003
217095299192,13cyclictest2307180-21taskset20:53:073
217095299192,13cyclictest2262872-21taskset20:20:043
217095299192,13cyclictest2250033-21taskset20:10:023
2170952991916,1cyclictest0-21swapper/323:55:003
2170952991916,1cyclictest0-21swapper/322:45:023
2170952991916,1cyclictest0-21swapper/322:20:143
2170952991916,1cyclictest0-21swapper/320:40:133
217095299191,14cyclictest2546352-21chrt23:30:123
217095299191,14cyclictest2389497-21chrt21:50:133
217095299191,14cyclictest2332197-21chrt21:10:243
217095299191,14cyclictest2282090-21chrt20:35:113
217095299191,14cyclictest2197387-21taskset19:25:203
217095299191,13cyclictest2459825-21taskset22:34:563
217095299191,13cyclictest2192203-21turbostat19:25:013
22232352181,5sleep02223279-21ntpq19:45:230
217095299188,7cyclictest22113142sleep319:39:483
217095299182,13cyclictest2445432-21taskset22:25:173
217095299182,12cyclictest2236465-21taskset19:55:263
2170952991816,1cyclictest0-21swapper/323:25:003
2170952991815,1cyclictest0-21swapper/321:10:003
2170952991815,1cyclictest0-21swapper/300:00:183
217095299181,14cyclictest2575280-21taskset23:45:243
217095299181,14cyclictest2424268-21taskset22:10:183
217095299181,13cyclictest2489145-21chrt22:50:273
217095299181,13cyclictest2419468-21taskset22:06:573
217095299181,13cyclictest2379776-21taskset21:40:423
217095299181,13cyclictest2357356-21taskset21:28:483
217095299181,13cyclictest2281439-21taskset20:30:343
217095299181,13cyclictest2230065-21taskset19:50:253
217095299181,13cyclictest2204757-21taskset19:32:333
217095299177,7cyclictest26231852sleep300:16:373
217095299172,12cyclictest2482292-21taskset22:47:143
217095299172,12cyclictest2387043-21taskset21:45:243
2170952991715,1cyclictest0-21swapper/319:11:193
2170952991714,1cyclictest0-21swapper/320:25:203
2170952991714,1cyclictest0-21swapper/300:35:173
217095299171,13cyclictest2639545-21taskset00:28:433
217095299171,13cyclictest2585053-21taskset23:54:383
217095299171,13cyclictest2561617-21taskset23:39:433
217095299171,13cyclictest2300637-21taskset20:45:463
217095299171,13cyclictest2249655-21taskset20:08:503
217095299171,13cyclictest2214635-21taskset19:40:193
217095299171,12cyclictest2513003-21taskset23:05:303
217095299171,12cyclictest2403361-21taskset21:56:023
217095299171,12cyclictest2364342-21taskset21:31:203
217095299171,12cyclictest2223837-21taskset19:46:003
217095299171,12cyclictest2179691-21chrt19:15:133
23534652166,7sleep12355291-21cut21:25:221
2170952991613,1cyclictest0-21swapper/300:20:243
217095299161,12cyclictest2615097-21taskset00:10:583
24676052150,11sleep12467613-21ssh22:39:431
24444852151,5sleep22444488-21apt-get22:25:132
26221822141,10sleep02622228-21ntpq00:15:250
23140372149,3sleep286188-21systemd-journal21:00:142
21647572140,9sleep12164898-21cpuspeed_turbos19:05:141
25701042130,1sleep20-21swapper/223:45:162
25224172131,2sleep20-21swapper/223:15:002
23012652131,3sleep20-21swapper/220:50:122
21848582130,9sleep02184904-21ntpq19:15:230
25869592120,3sleep22588390-21grep23:55:192
24132522121,2sleep10-21swapper/122:05:151
26393142110,3sleep0222-21plymouthd00:28:040
25415192111,7sleep22543225-21cut23:25:202
25313132111,7sleep12530282-21sendmail-msp23:20:171
24986052111,7sleep12498604-21ssh22:59:051
24840712111,7sleep12485004-21irqrtprio22:50:181
24782782111,7sleep02479956-21cut22:45:210
24202032110,8sleep22420211-21ssh22:09:092
23820582110,8sleep22382311-21cut21:45:162
22822562110,2sleep10-21swapper/120:35:141
22002272110,8sleep12201810-21grep19:30:161
26108522100,7sleep12612485-21kthreadcore00:10:201
25777452100,4sleep12577782-21apt-get23:50:131
25777452100,4sleep12577782-21apt-get23:50:121
24282802100,3sleep2222-21plymouthd22:14:512
24189422101,2sleep00-21swapper/022:05:300
23131782100,7sleep12313352-21/usr/sbin/munin20:55:271
22948862100,7sleep22295041-21df_inode20:45:142
22936362100,7sleep00-21swapper/020:40:240
22625932100,3sleep21-21systemd20:20:012
22372332101,3sleep12237013-21sendmail-msp20:00:061
22238722100,3sleep1222-21plymouthd19:46:281
2606437290,6sleep02606487-21ntpq00:05:220
2594926291,5sleep22596512-21cut00:00:192
2584159290,6sleep22584165-21ssh23:52:052
2584159290,6sleep22584165-21ssh23:52:052
2580117291,6sleep02581783-21kthreadcore23:50:200
2580117291,6sleep02581783-21kthreadcore23:50:190
2571333290,6sleep12572328-21kthreadcore23:45:191
2560423290,1sleep00-21swapper/023:36:230
2545015290,3sleep12356972-21kworker/u16:1+rpciod23:27:221
2530298290,1sleep20-21swapper/223:20:022
2513011290,2sleep0222-21plymouthd23:05:320
2505711291,1sleep20-21swapper/223:01:532
2499474291,4sleep02498992-21sendmail-msp23:00:150
2482789292,4sleep12482795-21ssh22:48:411
2457690291,2sleep20-21swapper/222:30:222
2443427290,3sleep2222-21plymouthd22:23:082
2441891291,5sleep12441934-21ntpq22:20:231
2435245290,2sleep2222-21plymouthd22:17:232
2380359290,6sleep02380365-21ssh21:42:210
2373831291,5sleep12373499-21sendmail-msp21:40:131
2373146290,6sleep12373152-21ssh21:39:061
2371846290,1sleep20-21swapper/221:35:292
2350501291,5sleep02350707-21hddtemp_smartct21:25:180
2326329290,2sleep1222-21plymouthd21:07:501
2307596292,3sleep22307629-21apt-get20:55:122
2293680291,4sleep12293724-21ntpq20:40:251
2249745291,5sleep02249749-21cron20:10:000
2197619290,6sleep12197662-21ntpq19:25:231
2186062290,2sleep00-21swapper/019:20:040
21709529997,1cyclictest0-21swapper/319:10:013
2653482280,5sleep02653525-21ntpq00:35:210
2647746282,3sleep22639991-21kworker/u16:2+xprtiod00:34:432
2643157281,4sleep02644878-21cut00:30:210
2630864280,5sleep12630870-21ssh00:21:111
2622942280,1sleep10-21swapper/100:15:581
2614949280,2sleep0222-21plymouthd00:10:350
2600474281,4sleep12600478-21ssh00:03:551
2598756281,3sleep02598780-21ntpq00:00:250
2585527281,3sleep02585562-21apt-get23:55:120
2575822280,1sleep0171rcu_preempt23:45:300
2569447282,4sleep1331ktimers/123:44:341
2554689281,4sleep22555624-21irqstats23:35:172
2552831281,4sleep1222-21plymouthd23:32:071
2537585280,5sleep02537591-21ssh23:23:450
2529538280,5sleep22529544-21ssh23:18:022
2512348281,4sleep12512402-21ntpq23:05:221
2482156280,2sleep22482162-21ssh22:46:542
2474479281,4sleep22474485-21ssh22:42:132
2457597281,4sleep02457638-21ntpq22:30:200
2450858280,2sleep0222-21plymouthd22:26:560
2435104280,4sleep0222-21plymouthd22:17:010
2428139280,2sleep0222-21plymouthd22:14:280
2411100280,1sleep0222-21plymouthd22:00:330
2411100280,1sleep0222-21plymouthd22:00:330
2405100280,5sleep12404826-21sendmail-msp22:00:061
2405100280,5sleep12404826-21sendmail-msp22:00:061
2403562280,5sleep22403568-21ssh21:56:352
2397345281,3sleep12397342-21apt-get21:55:141
2388491280,1sleep0222-21plymouthd21:48:150
2386948281,4sleep12386994-21ntpq21:45:241
2363345281,4sleep22363381-21ntpq21:30:202
2350266280,1sleep20-21swapper/221:25:112
2341940280,2sleep22341946-21ssh21:19:332
2333261280,1sleep20-21swapper/221:12:052
2325459280,2sleep20-21swapper/221:05:222
2304081280,5sleep02305963-21kthreadcore20:50:170
2282065280,3sleep2222-21plymouthd20:35:112
2275397281,4sleep02275451-21/usr/sbin/munin20:30:000
2249548284,2sleep1331ktimers/120:07:281
2243060280,1sleep20-21swapper/220:01:122
2236653280,2sleep2222-21plymouthd19:56:122
2230395280,2sleep2222-21plymouthd19:52:582
2211229280,2sleep0222-21plymouthd19:38:420
2198251280,1sleep00-21swapper/019:26:070
2183751281,4sleep12184668-21memory19:15:201
2169840281,4sleep22169883-21ntpq19:05:232
2164737281,3sleep0222-21plymouthd19:05:130
2646665270,1sleep10-21swapper/100:31:411
2639696270,3sleep2222-21plymouthd00:29:062
2629980270,4sleep22630031-21ntpq00:20:242
2618122271,3sleep20-21swapper/200:15:202
2568448270,1sleep00-21swapper/023:41:460
2548610272,2sleep02550281-21kthreadcore23:30:180
2538425271,3sleep00-21swapper/023:25:130
2521489270,1sleep0222-21plymouthd23:12:260
2490415270,1sleep00-21swapper/022:53:050
2474621270,1sleep00-21swapper/022:42:350
2466480270,4sleep22466486-21ssh22:36:362
2457640271,3sleep12457684-21ntpq22:30:211
2434003271,3sleep12434033-21ntpq22:15:221
2397307271,3sleep02397342-21apt-get21:55:120
2395602270,4sleep22395608-21ssh21:51:132
2395545270,4sleep12395551-21ssh21:51:041
2390926270,5sleep02392552-21kthreadcore21:50:190
2371253270,4sleep02371291-21ntpq21:35:240
2358116270,4sleep0222-21plymouthd21:30:100
2342541271,3sleep20-21swapper/221:20:142
2326310270,4sleep0222-21plymouthd21:07:370
2319868271,3sleep0222-21plymouthd21:01:310
2307158270,4sleep1222-21plymouthd20:52:511
2280794270,4sleep12280847-21ntpq20:30:211
2275667270,3sleep0222-21plymouthd20:30:130
2275346270,1sleep20-21swapper/220:29:222
2268730270,4sleep244-21ksoftirqd/220:21:322
2262919270,1sleep00-21swapper/020:20:150
2262275270,4sleep1222-21plymouthd20:15:581
2256099270,4sleep2222-21plymouthd20:13:592
2249399271,3sleep2222-21plymouthd20:05:342
2243259270,4sleep0222-21plymouthd20:03:420
2236775270,1sleep10-21swapper/119:57:431
2224449271,3sleep12224566-21cpuspeed_turbos19:50:121
2217418271,2sleep1222-21plymouthd19:40:541
2211632272,3sleep02211654-21apt-get19:40:130
2206616270,4sleep22207658-21cut19:35:182
2205252271,3sleep10-21swapper/119:35:141
2204696270,4sleep2222-21plymouthd19:31:492
2198859270,3sleep0222-21plymouthd19:30:110
2186111271,3sleep286188-21systemd-journal19:20:142
2177253270,4sleep12177256-21cron19:15:001
2176574270,4sleep22176777-21sed19:10:292
2654343260,1sleep10-21swapper/100:36:061
2654204260,1sleep20-21swapper/200:35:432
2639689260,3sleep1222-21plymouthd00:29:051
2631918260,3sleep0222-21plymouthd00:24:110
2608692260,4sleep12608799-21cat00:10:011
2590683260,3sleep12590780-21gcc23:55:221
2568620260,1sleep20-21swapper/223:42:192
2529502260,4sleep12529508-21ssh23:17:571
2520848260,3sleep10-21swapper/123:10:381
2514141261,2sleep2222-21plymouthd23:08:442
2505495260,4sleep12505501-21ssh23:01:201
2496601260,3sleep02496699-21ntpq22:55:230
2489546260,2sleep2222-21plymouthd22:50:392
2468022260,3sleep12468055-21apt-get22:40:111
2465646260,1sleep00-21swapper/022:35:260
2444390260,1sleep10-21swapper/122:25:041
2436523260,3sleep02436530-21ssh22:20:060
2426238261,3sleep1672-21dbus-daemon22:10:241
2405079260,3sleep22405085-21ssh22:00:042
2405079260,3sleep22405085-21ssh22:00:032
2358154261,2sleep10-21swapper/121:30:111
2342499261,2sleep12342536-21apt-get21:20:131
2341951260,1sleep00-21swapper/021:19:350
2341933260,4sleep10-21swapper/121:19:321
2333961260,1sleep00-21swapper/021:13:580
2333358260,3sleep1222-21plymouthd21:12:191
2307584260,2sleep0222-21plymouthd20:55:020
2300951260,2sleep0222-21plymouthd20:49:490
2300717260,1sleep10-21swapper/120:46:491
2287916261,2sleep00-21swapper/020:37:020
2262406260,1sleep00-21swapper/020:17:330
2250035260,3sleep02249759-21apt-get20:10:040
2231222261,2sleep00-21swapper/019:55:160
2223806260,3sleep2222-21plymouthd19:45:362
2198248260,2sleep2222-21plymouthd19:26:042
2186539260,3sleep12187474-21irqstats19:20:171
2185480261,2sleep20-21swapper/219:16:102
2171072262,1sleep02164308-21kworker/0:0+kacpid19:10:020
2609039250,2sleep20-21swapper/200:10:132
2607232251,2sleep20-21swapper/200:05:572
2546345250,2sleep20-21swapper/223:30:122
2528432250,2sleep0222-21plymouthd23:15:270
2342464250,2sleep00-21swapper/021:20:080
2313996251,2sleep12313773-21sendmail-msp21:00:081
2293209250,2sleep20-21swapper/220:40:212
2269307251,2sleep10-21swapper/120:25:121
2264328251,2sleep12265941-21kthreadcore20:20:191
2255226250,2sleep12255267-21ntpq20:10:211
2224408250,2sleep0222-21plymouthd19:50:070
2217527250,2sleep2222-21plymouthd19:42:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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