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2025-12-24 - 10:44
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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
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Wed Dec 24, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2290347994123,17cyclictest2642913-40mandb00:00:010
24920762370,1sleep20-21swapper/221:55:002
2290347992815,6cyclictest2389515-21/usr/sbin/munin20:33:280
2290349992516,2cyclictest2594383-21latency_hist23:20:011
2290347992519,2cyclictest2296740-21if_eno119:15:010
26673732210,5sleep12667377-21latency_hist00:20:021
2290351992118,1cyclictest0-21swapper/220:20:012
2290349992118,2cyclictest2642888-21grep00:00:011
2649091201,2phc2sys0-21swapper/322:33:303
2290347992017,2cyclictest2485824-21munin-plugin-st21:50:010
2290347992017,2cyclictest2485824-21munin-plugin-st21:50:010
2290347992016,3cyclictest1313-21gmain21:45:010
2290351991916,1cyclictest0-21swapper/221:30:002
2290349991916,2cyclictest2624744-21wc23:45:011
2290347991916,2cyclictest2328947-21cut19:40:010
2290347991911,4cyclictest2425826-21aten_repower_vo21:03:280
2290347991910,5cyclictest2371510-21aten_repower_cu20:18:250
2290351991815,1cyclictest0-21swapper/220:50:012
2290349991815,2cyclictest2661030-21idleruntime-cro00:15:001
2290349991815,2cyclictest2425092-21turbostat21:00:011
2290349991814,3cyclictest2348656-21kthreadcore19:58:291
2290347991815,2cyclictest2419091-21latency_hist20:55:010
2290347991815,2cyclictest1-21systemd00:25:010
2649091171,2phc2sys0-21swapper/322:58:223
2290351991715,1cyclictest0-21swapper/219:15:022
2290351991714,1cyclictest0-21swapper/222:19:552
2290351991714,1cyclictest0-21swapper/200:25:012
2290349991714,2cyclictest2358816-21cron20:05:001
2290349991714,2cyclictest2296558-21/usr/sbin/munin19:15:011
2290349991714,2cyclictest1288-1atopacctd20:23:321
2290349991713,3cyclictest257-21systemd-journal22:10:021
2290347991714,2cyclictest2492132-21munin-plugin-st21:55:010
2290347991714,2cyclictest2358856-21cut20:05:010
2290347991714,2cyclictest1290-21dbus-daemon22:40:010
2290347991714,2cyclictest1290-21dbus-daemon20:25:010
2290347991714,2cyclictest1-21systemd23:05:020
229034799170,4cyclictest2621833-21kthreadcore23:43:300
229034799170,16cyclictest2674570-21grep00:28:260
23228002160,1sleep10-21swapper/119:35:011
229035199161,9cyclictest0-21swapper/223:40:012
2290351991614,1cyclictest0-21swapper/222:10:022
2290351991613,1cyclictest0-21swapper/223:58:282
2290351991613,1cyclictest0-21swapper/222:43:282
2290351991613,1cyclictest0-21swapper/221:35:012
2290351991613,1cyclictest0-21swapper/221:05:012
2290351991613,1cyclictest0-21swapper/220:35:012
2290349991613,2cyclictest2576402-21latency_hist23:05:011
2290349991613,2cyclictest2531505-21sort22:28:301
2290349991612,3cyclictest2359717-21cpuspeed_turbos20:08:241
2290347991613,2cyclictest35255-21packagekitd22:05:020
2290347991613,2cyclictest2594357-21cron23:20:010
2290347991613,2cyclictest2528328-21systemd22:25:020
2290347991613,2cyclictest2511415-21gltestperf22:13:300
2290347991613,2cyclictest2498105-21perf22:00:000
2290347991613,2cyclictest2455524-21cut21:25:010
2290347991613,2cyclictest2407112-21munin-plugin-st20:45:010
2290347991613,2cyclictest2304778-21latency_hist19:20:010
2290347991613,2cyclictest2290341-21cyclictest20:08:290
2290347991613,2cyclictest1286-21avahi-daemon20:30:020
2290347991613,2cyclictest1286-21avahi-daemon19:55:000
2290347991613,2cyclictest1286-21avahi-daemon19:45:020
2290347991613,2cyclictest0-21swapper/021:35:010
2290347991613,1cyclictest0-21swapper/022:55:000
2290347991612,3cyclictest1327-21in:imuxsock22:35:010
229034799160,2cyclictest0-21swapper/022:43:220
2649091153,1phc2sys0-21swapper/320:23:313
2649091151,2phc2sys0-21swapper/319:08:373
2290351991512,1cyclictest0-21swapper/221:13:252
2290351991512,1cyclictest0-21swapper/220:58:222
2290351991512,1cyclictest0-21swapper/219:55:012
2290351991512,1cyclictest0-21swapper/219:33:352
229034999155,5cyclictest2504085-21awk22:05:001
2290349991513,1cyclictest0-21swapper/121:35:011
2290349991512,2cyclictest2552484-21latency_hist22:45:011
2290349991512,2cyclictest2545713-21mailstats22:38:351
2290349991512,2cyclictest2290341-21cyclictest20:33:341
2290349991512,2cyclictest1288-1atopacctd21:03:341
2290349991512,2cyclictest0-21swapper/119:10:011
2290349991511,3cyclictest2603938-21kthreadcore23:28:281
2290349991511,3cyclictest2400522-21mailstats20:38:351
2290349991511,3cyclictest2342649-21kthreadcore19:53:311
2290349991511,3cyclictest2313949-21kthreadcore19:28:311
229034799157,7cyclictest2315450-21tr19:28:320
229034799155,6cyclictest0-21swapper/023:37:260
2290347991512,2cyclictest2612642-21latency_hist23:35:010
2290347991512,2cyclictest2582036-21timerwakeupswit23:08:360
2290347991512,2cyclictest2557708-21processes22:48:330
2290347991512,2cyclictest2461565-21latency_hist21:30:010
2290347991512,2cyclictest2444695-21cut21:18:260
2290347991512,2cyclictest134050irq/121-eno123:20:330
2290347991510,4cyclictest2534183-21ls22:30:010
2649091140,2phc2sys0-21swapper/320:28:303
2290351991412,1cyclictest0-21swapper/223:05:022
2290351991411,1cyclictest0-21swapper/223:43:272
2290351991411,1cyclictest0-21swapper/223:18:242
2290351991411,1cyclictest0-21swapper/222:58:282
2290351991411,1cyclictest0-21swapper/222:48:332
2290351991411,1cyclictest0-21swapper/222:00:002
2290351991411,1cyclictest0-21swapper/221:10:012
2290351991411,1cyclictest0-21swapper/220:38:302
2290351991411,1cyclictest0-21swapper/220:14:562
2290351991411,1cyclictest0-21swapper/200:35:012
229034999148,2cyclictest134050irq/121-eno123:08:091
229034999147,5cyclictest2433239-21cut21:08:291
229034999147,3cyclictest0-21swapper/122:15:011
229034999147,2cyclictest191rcu_preempt00:03:221
2290349991411,2cyclictest2673497-21gpgconf00:25:011
2290349991411,2cyclictest2635329-21kthreadcore23:53:301
2290349991411,2cyclictest2566469-21kthreadcore22:58:281
2290349991411,2cyclictest2526805-21kthreadcore22:23:301
2290349991411,2cyclictest2481378-21irqcore21:48:271
2290349991411,2cyclictest2481378-21irqcore21:48:271
2290349991411,2cyclictest2475542-21irqrtprio21:43:281
2290349991411,2cyclictest2473744-21latency_hist21:40:021
2290349991411,2cyclictest2456569-21fschecks_count21:28:251
2290349991411,2cyclictest2448854-21rt-features21:18:331
2290349991411,2cyclictest2414946-21tr20:53:301
2290349991411,2cyclictest2374491-21kthreadcore20:18:321
2290349991411,2cyclictest2298107-21kthreadcore19:15:021
2290349991411,2cyclictest2290341-21cyclictest22:48:301
2290349991411,2cyclictest1286-21avahi-daemon19:48:391
2290349991410,3cyclictest2489375-21kthreadcore21:53:311
2290349991410,3cyclictest2404605-21kthreadcore20:43:321
229034999140,3cyclictest0-21swapper/100:37:391
229034799145,4cyclictest2352849-21idleruntime-cro20:00:000
2290347991412,1cyclictest2290341-21cyclictest19:33:230
2290347991411,2cyclictest2686090-21aten_repower_cu00:38:210
2290347991411,2cyclictest2655548-21acpi00:13:220
2290347991411,2cyclictest2290341-21cyclictest21:38:300
2290347991411,2cyclictest2290341-21cyclictest00:03:280
2290347991410,3cyclictest2409773-21kthreadcore20:48:280
2290347991410,3cyclictest2340766-21awk19:50:000
2290347991410,2cyclictest0-21swapper/021:08:350
229034799140,9cyclictest2437947-21/usr/sbin/munin21:13:270
2649091130,1phc2sys0-21swapper/322:53:293
2649091130,1phc2sys0-21swapper/320:58:483
2290351991311,1cyclictest0-21swapper/200:28:312
2290351991311,1cyclictest0-21swapper/200:13:302
2290351991310,1cyclictest0-21swapper/223:33:302
2290351991310,1cyclictest0-21swapper/223:28:282
2290351991310,1cyclictest0-21swapper/223:13:302
2290351991310,1cyclictest0-21swapper/222:28:352
2290351991310,1cyclictest0-21swapper/221:48:252
2290351991310,1cyclictest0-21swapper/221:48:252
2290351991310,1cyclictest0-21swapper/221:23:272
2290351991310,1cyclictest0-21swapper/220:51:142
2290351991310,1cyclictest0-21swapper/220:08:232
2290351991310,1cyclictest0-21swapper/219:43:282
2290351991310,1cyclictest0-21swapper/219:28:282
2290351991310,1cyclictest0-21swapper/200:38:262
2290351991310,1cyclictest0-21swapper/200:18:292
229034999139,3cyclictest2384539-21irqcore20:28:291
229034999139,3cyclictest1288-1atopacctd19:38:301
229034999137,1cyclictest501rcuop/200:08:241
2290349991310,2cyclictest2682770-21kthreadcore00:33:291
2290349991310,2cyclictest2675298-21kthreadcore00:28:301
2290349991310,2cyclictest2615745-21kthreadcore23:38:311
2290349991310,2cyclictest2607686-21gltestperf23:33:271
2290349991310,2cyclictest2584403-21kthreadcore23:13:301
2290349991310,2cyclictest2564508-21systemd-run22:55:011
2290349991310,2cyclictest2534791-21aten_repower_cu22:33:231
2290349991310,2cyclictest2450900-21irqcore21:23:271
2290349991310,2cyclictest2442946-21switchtime21:13:371
2290349991310,2cyclictest1290-21dbus-daemon19:25:021
2290349991310,2cyclictest0-21swapper/123:25:011
229034799139,3cyclictest2633661-21kthreadcore23:53:290
229034799135,7cyclictest2396124-21grep20:38:270
229034799134,5cyclictest0-21swapper/022:15:420
229034799131,7cyclictest0-21swapper/000:08:320
2290347991311,1cyclictest2566190-21kthreadcore22:58:290
2290347991310,2cyclictest2681840-21kthreadcore00:33:280
2290347991310,2cyclictest2663214-21kthreadcore00:18:280
2290347991310,2cyclictest2626693-21kthreadcore23:48:310
2290347991310,2cyclictest2587567-21missed_timers23:13:320
2290347991310,2cyclictest2505301-21fschecks_time22:08:290
2290347991310,2cyclictest2421117-21kthreadcore20:58:260
2290347991310,2cyclictest2365270-21sshd20:11:280
2290347991310,2cyclictest2305835-21fschecks_count19:23:250
2649091122,2phc2sys0-21swapper/320:00:013
2649091121,2phc2sys0-21swapper/300:03:223
2649091120,2phc2sys0-21swapper/319:32:273
2649091120,1phc2sys0-21swapper/319:55:003
229035199129,1cyclictest0-21swapper/223:50:142
229035199129,1cyclictest0-21swapper/223:23:262
229035199129,1cyclictest0-21swapper/222:37:322
229035199129,1cyclictest0-21swapper/222:23:262
229035199129,1cyclictest0-21swapper/221:43:242
229035199129,1cyclictest0-21swapper/221:35:362
229035199129,1cyclictest0-21swapper/221:18:232
229035199129,1cyclictest0-21swapper/220:41:492
229035199129,1cyclictest0-21swapper/220:28:272
229035199129,1cyclictest0-21swapper/220:22:222
229035199129,1cyclictest0-21swapper/219:58:232
229035199129,1cyclictest0-21swapper/219:37:182
229035199129,1cyclictest0-21swapper/200:06:372
229035199129,1cyclictest0-21swapper/200:03:342
229035199121,3cyclictest0-21swapper/219:20:012
2290351991210,1cyclictest0-21swapper/223:48:262
2290351991210,1cyclictest0-21swapper/223:08:292
2290351991210,1cyclictest0-21swapper/222:13:292
229034999129,2cyclictest2626274-21irqcore23:48:301
229034999129,2cyclictest2408830-21irqrtprio20:48:271
229034999129,2cyclictest2330609-21kernelversion19:43:271
229034999128,3cyclictest2493233-21sort21:58:261
229034999127,1cyclictest601rcuop/322:18:301
2290349991210,1cyclictest2366927-21kthreadcore20:13:321
229034799129,2cyclictest2603724-21kthreadcore23:28:280
2649091111,2phc2sys0-21swapper/323:18:223
2649091111,2phc2sys0-21swapper/321:05:013
2649091111,2phc2sys0-21swapper/320:53:233
2649091110,2phc2sys0-21swapper/322:17:063
2649091110,2phc2sys0-21swapper/300:33:353
2649091110,1phc2sys0-21swapper/322:06:533
2649091110,1phc2sys0-21swapper/320:32:193
2649091110,1phc2sys0-21swapper/319:15:453
229035199119,1cyclictest0-21swapper/222:52:532
229035199119,1cyclictest0-21swapper/222:33:292
229035199119,1cyclictest0-21swapper/222:01:422
229035199119,1cyclictest0-21swapper/219:45:302
229035199119,1cyclictest0-21swapper/219:21:572
229035199118,1cyclictest0-21swapper/220:03:252
2649091101,2phc2sys0-21swapper/320:03:383
2649091101,1phc2sys0-21swapper/300:28:263
2649091100,2phc2sys0-21swapper/320:47:253
2649091100,2phc2sys0-21swapper/319:46:383
2649091100,1phc2sys0-21swapper/323:41:183
2649091100,1phc2sys0-21swapper/323:32:483
2649091100,1phc2sys0-21swapper/323:22:063
2649091100,1phc2sys0-21swapper/323:05:313
2649091100,1phc2sys0-21swapper/322:25:083
2649091100,1phc2sys0-21swapper/322:02:363
2649091100,1phc2sys0-21swapper/321:41:483
2649091100,1phc2sys0-21swapper/321:20:133
2649091100,1phc2sys0-21swapper/321:09:543
2649091100,1phc2sys0-21swapper/320:16:123
2649091100,1phc2sys0-21swapper/320:05:423
2649091100,1phc2sys0-21swapper/319:24:313
2649091100,1phc2sys0-21swapper/300:38:133
2649091100,1phc2sys0-21swapper/300:10:553
229034799105,1cyclictest889007-1atop19:10:010
264909191,3phc2sys0-21swapper/320:38:233
264909191,3phc2sys0-21swapper/319:43:213
264909191,2phc2sys0-21swapper/323:28:233
264909191,2phc2sys0-21swapper/319:13:293
264909191,2phc2sys0-21swapper/300:08:273
264909190,3phc2sys0-21swapper/321:35:023
264909190,2phc2sys0-21swapper/323:53:243
264909190,2phc2sys0-21swapper/323:48:353
264909190,2phc2sys0-21swapper/322:48:323
264909190,2phc2sys0-21swapper/322:23:243
264909190,2phc2sys0-21swapper/322:14:563
264909190,2phc2sys0-21swapper/321:58:233
264909190,2phc2sys0-21swapper/321:53:353
264909190,2phc2sys0-21swapper/321:50:023
264909190,2phc2sys0-21swapper/321:50:023
264909190,2phc2sys0-21swapper/321:28:343
264909190,2phc2sys0-21swapper/321:13:303
264909190,2phc2sys0-21swapper/320:43:333
264909190,2phc2sys0-21swapper/320:13:283
264909190,2phc2sys0-21swapper/319:29:563
264909190,2phc2sys0-21swapper/300:23:333
264909190,2phc2sys0-21swapper/300:19:553
264909190,2phc2sys0-21swapper/300:00:013
264909190,1phc2sys0-21swapper/321:37:083
264909181,2phc2sys0-21swapper/321:15:483
264909180,2phc2sys0-21swapper/323:38:293
264909180,2phc2sys0-21swapper/323:13:253
264909180,2phc2sys0-21swapper/323:03:273
264909180,2phc2sys0-21swapper/319:38:293
264909180,1phc2sys0-21swapper/322:40:033
264909180,1phc2sys0-21swapper/322:36:423
22903519980,5cyclictest2290614-21chrt19:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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