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2026-08-14 - 22:05
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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 Fri Aug 14, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222384225646,7sleep40-21swapper/407:07:564
222353624925,7sleep50-21swapper/507:03:405
222379624612,29sleep70-21swapper/707:07:197
2224153993732,4cyclictest2791014-21latency_hist11:22:577
2224147993532,2cyclictest2778148-21kworker/u16:0+flush-8:011:22:574
2224150993432,2cyclictest2803199-21kworker/u16:4+events_unbound11:53:315
2224150993432,2cyclictest2803199-21kworker/u16:4+events_unbound11:53:315
2224150993332,1cyclictest2581590-21kworker/u16:2+events_unbound10:13:005
2224150993330,2cyclictest2581590-21kworker/u16:2+flush-8:009:58:035
2224152993028,2cyclictest2168740-21kworker/u16:1+events_unbound07:16:526
2224150993028,2cyclictest2224335-21kworker/u16:2+events_unbound08:03:285
222376623020,7sleep60-21swapper/607:06:546
2224153992923,5cyclictest2344745-21latency_hist08:07:587
2224150992826,2cyclictest2522283-21kworker/u16:1+events_unbound10:21:075
28748092270,1chrt2874808-21ssh11:55:027
28748092270,1chrt2874808-21ssh11:55:027
2224150992725,2cyclictest2471920-21kworker/u16:0+events_unbound09:16:515
2224150992725,2cyclictest2471920-21kworker/u16:0+events_unbound09:16:515
2224150992624,2cyclictest2657074-21kworker/u16:3+flush-8:010:41:075
2224150992523,2cyclictest2168740-21kworker/u16:1+events_unbound07:12:535
2224150992422,2cyclictest2740621-21kworker/u16:1+events_unbound11:07:575
2224150992422,2cyclictest2471920-21kworker/u16:0+flush-8:009:12:575
2224150992421,2cyclictest2433615-21kworker/u16:1+flush-8:009:18:045
2224150992321,2cyclictest2947592-21kworker/u16:1+events_unbound12:27:285
2224150992321,2cyclictest2888769-21kworker/u16:5+events_unbound12:19:075
2224150992321,2cyclictest2556468-21kworker/u16:0+events_unbound09:48:235
2224150992321,2cyclictest2325333-21kworker/u16:5+flush-8:008:13:145
2224147992321,2cyclictest2534874-21kworker/u16:4+events_unbound09:58:114
222415399220,20cyclictest2522243-21latency_hist09:32:587
2224150992220,2cyclictest2742124-21kworker/u16:4+events_unbound11:15:235
2224150992220,2cyclictest2657074-21kworker/u16:3+events_unbound11:01:075
2224150992220,2cyclictest2471920-21kworker/u16:0+flush-8:009:37:075
2224150992220,2cyclictest2412532-21kworker/u16:0+events_unbound08:43:185
2224153992120,0cyclictest0-21swapper/707:23:157
2224150992119,2cyclictest2888769-21kworker/u16:5+events_unbound12:13:215
2224150992119,2cyclictest2803199-21kworker/u16:4+events_unbound12:28:115
2224150992119,2cyclictest2778148-21kworker/u16:0+flush-8:011:48:315
2224150992119,2cyclictest2679042-21kworker/u16:1+flush-8:010:53:085
2224150992119,2cyclictest2679042-21kworker/u16:1+flush-8:010:35:085
2224150992119,2cyclictest2581590-21kworker/u16:2+events_unbound10:25:335
2224150992118,2cyclictest2534874-21kworker/u16:4+events_unbound09:43:085
27043352200,1chrt2704336-21ssh10:45:467
2224153992019,0cyclictest0-21swapper/707:38:127
2224153992018,1cyclictest0-21swapper/710:28:117
222415399201,17cyclictest2677952-21ssh10:33:217
2224150992018,2cyclictest2824979-21kworker/u16:1+flush-8:012:03:075
2224150992018,2cyclictest2803199-21kworker/u16:4+events_unbound11:30:395
2224150992018,2cyclictest2740621-21kworker/u16:1+flush-8:011:10:075
2224150992018,2cyclictest2642260-21kworker/u16:0+flush-8:010:49:085
2224150992018,2cyclictest2581590-21kworker/u16:2+events_unbound10:10:085
2224150992018,2cyclictest2433615-21kworker/u16:1+events_unbound09:23:365
2224150992018,2cyclictest2168740-21kworker/u16:1+events_unbound07:13:015
2224153991918,0cyclictest0-21swapper/709:18:127
2224153991915,3cyclictest1302-21snmpd07:21:297
2224150991917,2cyclictest2838295-21kworker/u16:2+flush-8:011:43:085
2224150991917,2cyclictest2824979-21kworker/u16:1+events_unbound11:40:395
2224150991917,2cyclictest2803199-21kworker/u16:4+events_unbound12:12:075
2224150991917,2cyclictest2740621-21kworker/u16:1+events_unbound11:25:075
222415399180,16cyclictest2803250-21latency_hist11:27:577
222415399180,16cyclictest2778785-21latency_hist11:17:577
222415399180,16cyclictest1302-21snmpd08:58:287
2224150991816,2cyclictest2803199-21kworker/u16:4+events_unbound12:35:325
2224150991816,2cyclictest2581590-21kworker/u16:2+events_unbound09:55:395
2224150991816,2cyclictest2581590-21kworker/u16:2+events_unbound09:55:395
2224153991715,1cyclictest0-21swapper/708:08:127
222415399170,1cyclictest0-21swapper/712:03:227
222415399170,1cyclictest0-21swapper/710:58:247
222415399170,1cyclictest0-21swapper/707:48:217
222415399170,1cyclictest0-21swapper/707:48:217
222415399170,15cyclictest2580464-21sh09:53:267
222415399170,15cyclictest2580464-21sh09:53:267
2224152991714,2cyclictest2778148-21kworker/u16:0+flush-8:011:47:586
222415299170,0cyclictest0-21swapper/609:37:526
2224150991715,2cyclictest2657074-21kworker/u16:3+events_unbound11:20:475
2224150991715,2cyclictest2364056-21kworker/u16:1+flush-8:008:18:225
2224147991716,1cyclictest2803199-21kworker/u16:4+flush-8:012:07:574
2224147991713,3cyclictest2352931-21kthreadcore08:08:194
2224153991610,5cyclictest2305955-21latency_hist07:47:587
222415399160,14cyclictest0-21swapper/710:18:227
2224150991614,2cyclictest2803199-21kworker/u16:4+events_unbound11:59:395
2224150991614,2cyclictest2803199-21kworker/u16:4+events_unbound11:59:395
2224150991614,2cyclictest2401949-21kworker/u16:3+events_unbound08:52:595
2224153991511,3cyclictest2247291-21fwupd07:16:537
222415399150,13cyclictest0-21swapper/708:23:217
222415299150,15cyclictest0-21swapper/610:31:106
222415299150,14cyclictest2463324-21grep09:08:156
2224150991513,2cyclictest2657074-21kworker/u16:3+events_unbound10:45:315
2224150991513,2cyclictest2657074-21kworker/u16:3+events_unbound10:32:475
2224150991513,2cyclictest2534874-21kworker/u16:4+flush-8:010:05:475
2224150991513,2cyclictest2497559-21kworker/u16:3+flush-8:009:38:555
2224150991513,2cyclictest2471920-21kworker/u16:0+events_unbound09:32:085
2224150991513,2cyclictest2247355-21kworker/u16:5+flush-8:007:28:405
222414799150,1cyclictest0-21swapper/409:31:434
222414799150,15cyclictest0-21swapper/410:37:184
2224153991412,1cyclictest0-21swapper/708:13:237
2224153991411,2cyclictest0-21swapper/711:58:267
2224153991411,2cyclictest0-21swapper/711:58:267
2224153991411,2cyclictest0-21swapper/708:27:587
222415399140,13cyclictest2473348-21turbostat09:12:577
222415299148,2cyclictest0-21swapper/608:33:256
222415299144,9cyclictest0-21swapper/609:28:266
2224152991413,1cyclictest0-21swapper/612:32:246
2224152991413,1cyclictest0-21swapper/612:24:316
2224152991413,1cyclictest0-21swapper/611:25:336
2224152991413,1cyclictest0-21swapper/607:08:156
2224152991412,2cyclictest0-21swapper/610:18:526
222415299140,2cyclictest2555197-21kthreadcore09:43:206
222415299140,14cyclictest0-21swapper/611:43:226
222415299140,14cyclictest0-21swapper/611:16:036
222415299140,14cyclictest0-21swapper/609:18:486
2224150991412,2cyclictest2401948-21kworker/u16:2+flush-8:008:58:125
2224147991413,1cyclictest0-21swapper/412:09:424
2224147991413,1cyclictest0-21swapper/411:12:474
2224147991413,1cyclictest0-21swapper/410:48:584
2224147991413,1cyclictest0-21swapper/410:44:244
2224147991413,1cyclictest0-21swapper/410:03:154
2224147991413,1cyclictest0-21swapper/409:12:194
2224147991410,3cyclictest2364056-21kworker/u16:1+flush-8:008:18:244
222414799140,1cyclictest0-21swapper/410:41:534
222415399139,3cyclictest1302-21snmpd12:26:577
222415399139,3cyclictest1302-21snmpd09:07:557
222415399139,3cyclictest1302-21snmpd08:43:377
2224153991311,1cyclictest2827628-21ssh11:37:577
222415299135,4cyclictest2785862-21tr11:18:166
222415299135,4cyclictest2603448-21kthreadcore10:03:186
222415299135,4cyclictest2287714-21cat07:38:126
222415299131,7cyclictest0-21swapper/610:53:146
2224152991312,1cyclictest0-21swapper/611:00:016
2224152991312,1cyclictest0-21swapper/608:53:256
222415299130,2cyclictest2808135-21kthreadcore11:28:166
222415299130,13cyclictest0-21swapper/612:07:206
222415299130,13cyclictest0-21swapper/612:00:336
222415299130,13cyclictest0-21swapper/612:00:336
222415299130,13cyclictest0-21swapper/611:56:566
222415299130,13cyclictest0-21swapper/611:56:566
222415299130,11cyclictest0-21swapper/607:46:346
2224150991311,2cyclictest2247355-21kworker/u16:5+events_unbound07:35:495
2224150991311,2cyclictest2224335-21kworker/u16:2+flush-8:008:08:275
2224150991311,2cyclictest2224335-21kworker/u16:2+flush-8:007:48:165
2224150991311,2cyclictest2224335-21kworker/u16:2+flush-8:007:48:165
2224150991311,2cyclictest2224335-21kworker/u16:2+flush-8:007:18:255
2224147991312,1cyclictest0-21swapper/411:05:324
2224147991312,1cyclictest0-21swapper/410:54:394
2224147991312,1cyclictest0-21swapper/410:32:444
2224147991312,1cyclictest0-21swapper/410:09:524
2224147991312,1cyclictest0-21swapper/407:58:234
222414799130,0cyclictest0-21swapper/410:23:354
222415399129,2cyclictest1302-21snmpd10:39:127
222415399129,2cyclictest1302-21snmpd08:51:317
222415399129,2cyclictest0-21swapper/711:03:217
222415399128,3cyclictest1302-21snmpd12:28:427
222415399128,3cyclictest1302-21snmpd11:11:437
222415399128,3cyclictest1302-21snmpd08:40:167
222415399128,3cyclictest1302-21snmpd07:55:397
222415399127,4cyclictest1302-21snmpd08:53:347
222415399126,5cyclictest6233-21gvfs-afc-volume10:02:287
2224153991210,1cyclictest2484240-21ssh09:15:297
2224153991210,1cyclictest2484240-21ssh09:15:297
222415399120,1cyclictest2862439-21ssh11:49:417
222415299127,2cyclictest86-21ksoftirqd/612:11:526
222415299127,2cyclictest86-21ksoftirqd/611:33:046
222415299126,1cyclictest0-21swapper/610:13:166
222415299124,3cyclictest2442993-21cat08:58:136
222415299123,5cyclictest0-21swapper/612:13:156
2224152991210,2cyclictest0-21swapper/610:08:376
2224152991210,2cyclictest0-21swapper/609:16:456
2224152991210,2cyclictest0-21swapper/609:16:456
222415299120,9cyclictest0-21swapper/607:18:256
222415299120,8cyclictest2538874-21cut09:38:166
222415299120,8cyclictest2506585-21cut09:23:216
222415299120,8cyclictest2355449-21fschecks_count08:13:136
222415299120,8cyclictest2267488-21/usr/sbin/munin07:28:296
222415299120,7cyclictest0-21swapper/610:43:266
222415299120,3cyclictest2710866-21kthreadcore10:48:166
222415299120,1cyclictest0-21swapper/610:25:016
222415299120,1cyclictest0-21swapper/609:56:196
222415299120,1cyclictest0-21swapper/609:56:196
222415299120,1cyclictest0-21swapper/608:19:316
222415299120,11cyclictest0-21swapper/608:43:006
222415299120,10cyclictest2257859-21cpuspeed_turbos07:23:136
222415299120,0cyclictest0-21swapper/609:52:136
2224150991210,2cyclictest2296223-21kworker/u16:1+flush-8:007:43:235
222415099120,12cyclictest0-21swapper/511:36:315
222415099120,12cyclictest0-21swapper/509:03:545
2224147991211,1cyclictest0-21swapper/412:15:224
2224147991211,1cyclictest0-21swapper/411:47:004
2224147991211,1cyclictest0-21swapper/411:24:084
2224147991211,1cyclictest0-21swapper/409:23:314
2224147991211,1cyclictest0-21swapper/408:31:484
222414799120,12cyclictest0-21swapper/407:43:434
222415399119,1cyclictest2545717-21ssh09:41:117
222415399118,2cyclictest1302-21snmpd10:54:367
222415399118,2cyclictest1302-21snmpd08:02:217
222415399117,3cyclictest1302-21snmpd11:31:587
222415399117,3cyclictest1302-21snmpd10:13:217
222415399117,3cyclictest1302-21snmpd08:19:067
222415399110,9cyclictest2705987-21ssh10:48:077
222415399110,2cyclictest0-21swapper/711:38:117
222415399110,1cyclictest2924011-21ssh12:15:447
222415399110,1cyclictest2533974-21ssh09:37:057
222415399110,1cyclictest0-21swapper/710:23:027
222415399110,10cyclictest2618108-21ssh10:09:257
222415399110,10cyclictest2498445-21ssh09:23:127
222415399110,10cyclictest1302-21snmpd12:35:097
222415399110,10cyclictest1302-21snmpd12:12:577
222415299119,2cyclictest0-21swapper/611:38:386
222415299118,1cyclictest0-21swapper/607:58:046
222415299116,4cyclictest2758923-21cut11:08:156
222415299116,2cyclictest2690214-21ntpq10:38:216
2224152991111,0cyclictest0-21swapper/610:02:286
2224152991110,1cyclictest0-21swapper/608:27:526
222415299110,8cyclictest2929215-21kthreadcore12:18:166
222415299110,4cyclictest2677962-21ntpq10:33:216
222415099119,2cyclictest2247355-21kworker/u16:5+events_unbound07:23:305
2224150991110,1cyclictest0-21swapper/508:28:535
222415099110,1cyclictest0-21swapper/507:40:105
222415099110,11cyclictest0-21swapper/507:54:225
2224147991110,1cyclictest0-21swapper/412:27:504
2224147991110,1cyclictest0-21swapper/411:54:434
2224147991110,1cyclictest0-21swapper/411:54:434
2224147991110,1cyclictest0-21swapper/410:14:274
2224147991110,1cyclictest0-21swapper/409:36:174
2224147991110,1cyclictest0-21swapper/408:50:344
2224147991110,1cyclictest0-21swapper/407:15:584
222414799110,11cyclictest0-21swapper/408:59:244
222414799110,11cyclictest0-21swapper/408:55:464
222415399107,2cyclictest1302-21snmpd09:45:567
222415399107,2cyclictest1302-21snmpd07:28:237
222415399106,3cyclictest1302-21snmpd08:34:227
222415399105,4cyclictest2849503-21ssh11:43:267
222415399104,4cyclictest2281330-21cut07:33:177
222415399100,9cyclictest2935664-21ssh12:19:507
222415399100,9cyclictest2605301-21ssh10:03:267
222415399100,9cyclictest1302-21snmpd09:51:327
222415299109,1cyclictest0-21swapper/609:05:236
222415299100,9cyclictest2384653-21tune2fs08:28:126
222415299100,3cyclictest2962528-21expr12:33:096
222415299100,3cyclictest2745905-21kthreadcore11:03:146
222415299100,2cyclictest2428817-21kthreadcore08:48:186
222414799109,1cyclictest0-21swapper/411:49:034
222414799109,1cyclictest0-21swapper/411:14:504
222414799109,1cyclictest0-21swapper/411:01:544
222414799109,1cyclictest0-21swapper/409:52:034
222414799109,1cyclictest0-21swapper/409:42:554
222414799109,1cyclictest0-21swapper/409:16:544
222414799109,1cyclictest0-21swapper/409:16:544
222414799109,1cyclictest0-21swapper/408:43:474
222414799109,1cyclictest0-21swapper/408:16:404
222414799109,1cyclictest0-21swapper/407:24:194
22241529998,1cyclictest0-21swapper/608:11:096
22241529998,1cyclictest0-21swapper/607:35:316
22241529990,8cyclictest2411669-21ntpq08:38:216
22241509998,1cyclictest0-21swapper/508:51:555
22241479998,1cyclictest0-21swapper/412:22:384
22241479998,1cyclictest0-21swapper/409:47:294
22241479998,1cyclictest0-21swapper/407:11:144
22241479994,4cyclictest2641478-21ntpq10:18:244
22241479994,4cyclictest2314325-21cut07:48:184
22241479994,4cyclictest2314325-21cut07:48:184
22241539985,2cyclictest1082-21tuned07:08:147
22241529980,1cyclictest0-21swapper/607:53:166
22241509986,2cyclictest2401948-21kworker/u16:2+events_unbound08:38:135
22241509986,2cyclictest2282209-21kworker/u16:0+events_unbound08:23:075
22241509983,4cyclictest2394895-21cut08:33:165
22241509983,4cyclictest2333396-21cut07:58:195
22241479987,1cyclictest0-21swapper/412:00:244
22241479987,1cyclictest0-21swapper/412:00:244
22241479987,1cyclictest0-21swapper/409:03:014
22241479986,1cyclictest0-21swapper/408:38:114
22241479986,1cyclictest0-21swapper/407:38:094
22241479985,2cyclictest0-21swapper/412:33:094
22241479984,3cyclictest2829148-21irqcore11:38:134
22241479984,3cyclictest2572869-21kernelversion09:53:164
22241479984,3cyclictest2572869-21kernelversion09:53:164
22241479984,3cyclictest2495350-21vmstat09:18:284
22241479984,3cyclictest2323146-21kthreadcore07:53:194
22241479984,3cyclictest2268787-21kthreadcore07:28:184
22241479983,4cyclictest2824594-21ntp_states11:33:224
22241479983,4cyclictest2394373-21sh08:33:144
22241479983,4cyclictest2250229-21cut07:18:164
22241479980,4cyclictest2955657-21kthreadcore12:28:174
22241529973,3cyclictest2335563-21wc08:03:116
22241529970,1cyclictest0-21swapper/607:48:096
22241529970,1cyclictest0-21swapper/607:48:096
22241479975,1cyclictest0-21swapper/408:23:094
22241479974,2cyclictest2278766-21kthreadcore07:33:164
22241479973,3cyclictest2803999-21expr11:28:094
22241479963,2cyclictest2335559-21cpuspeed_turbos08:03:114
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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