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2026-05-28 - 20:33
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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 Thu May 28, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2477887993419,1cyclictest0-21swapper/310:00:173
2477887992624,0cyclictest0-21swapper/307:20:193
2477887992623,1cyclictest0-21swapper/311:15:013
2477887992522,1cyclictest0-21swapper/310:15:003
2477887992521,1cyclictest0-21swapper/309:30:233
247788799251,20cyclictest2812031-21sleep11:05:003
2477887992421,1cyclictest0-21swapper/310:55:133
2477887992320,1cyclictest0-21swapper/312:05:133
2477887992220,1cyclictest0-21swapper/312:00:053
2477887992219,1cyclictest0-21swapper/310:40:163
2477887992219,1cyclictest0-21swapper/309:15:003
247788799221,16cyclictest2688333-21chrt09:45:133
2477887992118,1cyclictest0-21swapper/312:11:333
2477887992118,1cyclictest0-21swapper/309:15:133
2477887992118,1cyclictest0-21swapper/309:05:113
2477887992117,1cyclictest0-21swapper/309:00:013
2477887992017,1cyclictest0-21swapper/312:35:133
2477887992017,1cyclictest0-21swapper/309:40:133
2477887992017,1cyclictest0-21swapper/309:00:173
2477887992017,1cyclictest0-21swapper/308:50:153
2477887992017,1cyclictest0-21swapper/308:20:193
2477887992016,1cyclictest0-21swapper/308:10:243
247788799201,15cyclictest2518108-21taskset07:36:043
247788799201,14cyclictest2897129-21taskset11:59:493
247788799201,14cyclictest2849795-21chrt11:27:223
247788799201,14cyclictest2556910-21taskset08:09:553
2477887991916,1cyclictest0-21swapper/312:20:003
2477887991916,1cyclictest0-21swapper/308:20:003
2477887991915,1cyclictest0-21swapper/308:35:003
247788799191,14cyclictest2834524-21taskset11:18:043
247788799191,14cyclictest2818826-21taskset11:07:253
247788799191,14cyclictest2576808-21taskset08:25:153
247788799191,14cyclictest2530404-21taskset07:45:233
247788799191,13cyclictest2842982-21taskset11:25:013
2477887991815,1cyclictest0-21swapper/311:45:133
2477887991815,1cyclictest0-21swapper/310:25:123
247788799181,13cyclictest2943804-21taskset12:29:563
247788799181,13cyclictest2933955-21taskset12:20:223
247788799181,13cyclictest2888742-21taskset11:52:593
247788799181,13cyclictest2858434-21taskset11:34:553
247788799181,13cyclictest2749182-21taskset10:22:423
247788799181,13cyclictest2601511-21taskset08:42:113
247788799181,13cyclictest2519999-21taskset07:40:173
247788799178,6cyclictest25951362sleep308:37:553
247788799178,6cyclictest25951362sleep308:37:553
247788799177,7cyclictest24926282sleep307:18:213
247788799172,12cyclictest2696010-21taskset09:50:023
2477887991714,1cyclictest0-21swapper/307:25:173
247788799171,13cyclictest2873301-21taskset11:43:093
247788799171,13cyclictest2866092-21taskset11:39:363
247788799171,13cyclictest2794895-21taskset10:50:293
247788799171,13cyclictest2772918-21taskset10:39:143
247788799171,13cyclictest2764256-21taskset10:31:323
247788799171,13cyclictest2741185-21taskset10:17:053
247788799171,13cyclictest2725820-21taskset10:07:143
247788799171,13cyclictest2709706-21taskset09:55:283
247788799171,13cyclictest2679538-21taskset09:38:043
247788799171,13cyclictest2663411-21taskset09:26:053
247788799171,13cyclictest2538642-21taskset07:55:163
247788799171,12cyclictest2947377-21taskset12:30:173
247788799171,12cyclictest2657051-21taskset09:25:003
247788799171,12cyclictest2550218-21taskset08:00:573
2477887991614,1cyclictest0-21swapper/308:45:193
2477887991613,1cyclictest0-21swapper/307:50:043
247788799161,12cyclictest2781251-21taskset10:45:073
247788799161,11cyclictest2511162-21chrt07:30:223
247788799159,4cyclictest24780482sleep307:10:033
26024012142,3sleep0222-21plymouthd08:45:170
24774662140,2sleep30-21swapper/307:06:223
27796062131,9sleep22779612-21ssh10:41:062
27547832131,9sleep10-21swapper/110:25:181
27257652130,10sleep22725767-21ssh10:07:062
27168392131,4sleep22716880-21ntpq10:00:212
25983352134,6sleep22598661-21kthreadcore08:40:182
28407562120,9sleep12840795-21ntp_offset11:20:231
27968002121,3sleep02796834-21apt-get10:55:120
27595422121,2sleep0222-21plymouthd10:30:180
27215612120,9sleep12723318-21grep10:05:171
25060892121,8sleep22506214-21gltestperf07:30:142
29123812111,1sleep10-21swapper/112:08:461
27662352110,8sleep02767165-21irqstats10:35:150
27323582110,4sleep02732409-21ld10:10:210
27206142110,1sleep00-21swapper/010:05:150
26962302110,8sleep22696291-21tune2fs09:50:142
26782782110,8sleep02678391-21awk09:35:250
26209192110,1sleep00-21swapper/008:59:170
26006502110,8sleep02600771-21ntpq08:40:200
25825712111,7sleep22582582-21sh08:30:002
29578602100,1sleep20-21swapper/212:35:332
28777762101,6sleep22879332-21sh11:45:182
28650072100,2sleep0222-21plymouthd11:36:210
28519672101,7sleep02852731-21kthreadcore11:30:160
28432362101,7sleep02843273-21apt-get11:25:110
28110152100,4sleep12811021-21ssh11:02:061
27812912101,5sleep2222-21plymouthd10:45:112
27730272100,7sleep12773031-21ssh10:39:331
27476532100,6sleep12747798-21/usr/sbin/munin10:20:201
27097652100,7sleep12709771-21ssh09:55:391
26882342101,6sleep1222-21plymouthd09:45:041
26798722101,6sleep12679878-21ssh09:38:591
26634962100,2sleep0222-21plymouthd09:26:190
26077912100,3sleep2222-21plymouthd08:45:392
25438292100,1sleep00-21swapper/007:56:300
24794732100,7sleep22481093-21kthreadcore07:10:182
24776052101,4sleep10-21swapper/107:08:081
2943362291,2sleep0222-21plymouthd12:28:420
2908582290,6sleep22910330-21kthreadcore12:05:182
2905012290,6sleep02905127-21latency_hist12:05:000
2896600292,4sleep2222-21plymouthd11:58:172
2888673290,6sleep02888681-21ssh11:52:500
2873860290,7sleep02873866-21ssh11:44:520
2833114290,1sleep00-21swapper/011:15:240
2819725292,3sleep0222-21plymouthd11:09:590
2786557291,5sleep02786599-21ntpq10:45:210
2763033291,5sleep22763177-21sed10:30:202
2755409291,5sleep22755503-21ntpq10:25:192
2686830290,6sleep1222-21plymouthd09:41:441
2662821290,7sleep22657313-21/usr/sbin/munin09:25:252
2648638292,4sleep22620827-21kworker/u16:1+xprtiod09:18:192
2640669290,3sleep01000-21snmpd09:12:480
2575198290,2sleep20-21swapper/208:20:222
2568759291,5sleep22568796-21ntpq08:15:212
2563595291,4sleep12563627-21apt-get08:15:111
2562231291,5sleep22562359-21ntpq08:10:192
2561441291,6sleep12562228-21missed_timers08:10:181
2537986291,4sleep22538019-21apt-get07:55:122
2531050290,2sleep2222-21plymouthd07:46:502
2504680292,4sleep22504714-21ntpq07:25:212
2499013290,1sleep10-21swapper/107:22:191
2484230292,4sleep02484497-21latency_hist07:15:010
2483237292,4sleep12483283-21ntpq07:10:211
2944151281,4sleep12944205-21ssh12:30:111
2928704281,3sleep0222-21plymouthd12:20:120
2925983281,4sleep12926120-21ssh12:15:201
2919123280,2sleep1222-21plymouthd12:10:511
2904953280,2sleep12633742-21diskmemload12:04:501
2874271281,4sleep02874425-21df_inode11:45:120
2858746281,3sleep22858781-21apt-get11:35:112
2826229281,4sleep0222-21plymouthd11:11:240
2795335280,1sleep2222-21plymouthd10:51:452
2771849280,2sleep2222-21plymouthd10:36:012
2718121281,3sleep0222-21plymouthd10:02:190
2709105281,4sleep02709144-21ntpq09:55:220
2696491281,4sleep02697196-21cut09:50:160
2672151280,2sleep00-21swapper/009:33:570
2656519280,5sleep12633742-21diskmemload09:23:351
2656345280,5sleep02633742-21diskmemload09:23:070
2647663280,1sleep00-21swapper/009:15:320
2636393280,5sleep22638033-21kthreadcore09:10:172
2623107285,1sleep10-21swapper/109:00:181
2613709281,4sleep12613736-21ntpq08:50:231
2610956280,5sleep00-21swapper/008:50:180
2582843280,4sleep12582876-21apt-get08:30:121
2567058283,2sleep00-21swapper/008:15:190
2536834281,4sleep22536866-21ntpq07:50:232
2536741281,4sleep02536785-21ntpq07:50:210
2533707281,4sleep12535475-21kthreadcore07:50:181
2525555281,5sleep00-21swapper/007:45:160
2512318280,4sleep1222-21plymouthd07:35:101
2498897281,4sleep22498861-21apt-get07:20:522
2493542281,4sleep02494469-21kernelversion07:20:180
2957282271,4sleep02957320-21ntp_states12:35:230
2937359273,2sleep12938308-21kthreadcore12:25:181
2934764270,1sleep12934770-21ssh12:21:171
2922285270,5sleep20-21swapper/212:15:172
2905356270,5sleep02905440-21tr12:05:120
2888287270,1sleep22888293-21ssh11:51:392
2884021270,4sleep12885761-21cut11:50:181
2881088271,4sleep12881094-21ssh11:48:091
2873070270,1sleep1222-21plymouthd11:42:241
2850958270,4sleep22719415-21kworker/u16:4+rpciod11:30:062
2850581271,3sleep2222-21plymouthd11:29:462
2841959270,4sleep0222-21plymouthd11:22:140
2841636271,3sleep22841642-21ssh11:21:162
2832960271,3sleep10-21swapper/111:15:211
2817291270,4sleep12811084-21kworker/u16:3+rpciod11:05:191
2804590270,3sleep22804601-21ssh11:00:112
2796598270,4sleep22796533-21appstreamcli10:55:022
2749278270,4sleep00-21swapper/010:23:000
2743962271,3sleep22744666-21kthreadcore10:20:172
2741720270,5sleep2222-21plymouthd10:18:412
2741696271,3sleep0222-21plymouthd10:18:310
2727072271,3sleep12727107-21apt-get10:10:101
2711612270,4sleep12711616-21ssh10:00:121
2690401271,4sleep02692005-21grep09:45:190
2686658270,1sleep00-21swapper/009:41:140
2657352271,2sleep10-21swapper/109:25:121
2646948270,5sleep10-21swapper/109:15:211
2639289274,1sleep10-21swapper/109:10:201
2620659271,3sleep2222-21plymouthd08:55:542
2596996271,4sleep12598333-21cut08:40:171
2589439270,5sleep12589641-21idleruntime08:35:161
2589439270,5sleep12589641-21idleruntime08:35:161
2588713270,4sleep2222-21plymouthd08:31:482
2582502270,1sleep10-21swapper/108:29:071
2550426270,1sleep00-21swapper/008:03:410
2544430270,4sleep20-21swapper/208:00:132
2524025271,3sleep12524058-21ntpq07:40:241
2518763270,3sleep2222-21plymouthd07:40:132
2505412270,2sleep1222-21plymouthd07:27:181
2499494270,3sleep02499527-21apt-get07:25:110
2492575270,4sleep0222-21plymouthd07:17:380
2476816271,2sleep20-21swapper/207:05:212
2471695271,2sleep02471728-21apt-get07:05:110
2958740260,4sleep12958745-21sh12:38:131
2950574260,3sleep2222-21plymouthd12:32:052
2950539260,3sleep02950545-21ssh12:31:590
2942588260,2sleep2222-21plymouthd12:26:272
2936031260,3sleep22936037-21ssh12:24:592
2927393260,3sleep0222-21plymouthd12:17:190
2919578261,2sleep2222-21plymouthd12:12:092
2919298260,3sleep0222-21plymouthd12:11:220
2898985260,4sleep22900025-21cat12:00:172
2895880260,3sleep12895884-21ssh11:56:111
2866616260,3sleep22866760-21df11:40:122
2866009260,1sleep10-21swapper/111:39:231
2851094261,2sleep10-21swapper/111:30:131
2850110260,3sleep1222-21plymouthd11:28:211
2834838260,3sleep22834844-21ssh11:19:032
2826623260,1sleep20-21swapper/211:12:302
2801959261,3sleep12802071-21ntpq10:55:211
2789042261,2sleep1222-21plymouthd10:50:121
2787700260,3sleep12787706-21ssh10:47:041
2779434261,2sleep10-21swapper/110:40:371
2774923260,3sleep0222-21plymouthd10:40:160
2756506260,3sleep0222-21plymouthd10:26:380
2734790260,3sleep12734831-21ssh10:15:111
2727547261,2sleep20-21swapper/210:10:152
2709751261,2sleep2222-21plymouthd09:55:362
2703184260,3sleep1222-21plymouthd09:54:101
2688326260,3sleep2222-21plymouthd09:45:132
2685897261,2sleep20-21swapper/209:40:242
2673269260,3sleep22673442-21sed09:35:152
2671485260,4sleep10-21swapper/109:32:021
2649775260,4sleep22649971-21tail09:20:152
2633498260,4sleep20-21swapper/209:07:082
2633451260,1sleep00-21swapper/009:06:300
2627639261,2sleep10-21swapper/109:05:111
2627314260,2sleep0222-21plymouthd09:04:260
2614877260,3sleep12614879-21/usr/sbin/munin08:55:131
2608900261,3sleep22609835-21irqstats08:50:162
2607800260,1sleep10-21swapper/108:45:461
2589263261,2sleep20-21swapper/208:35:142
2589263261,2sleep20-21swapper/208:35:132
2584707260,2sleep00-21swapper/008:30:180
2575964260,4sleep0222-21plymouthd08:22:080
2575925260,1sleep10-21swapper/108:21:381
2553400260,3sleep22555236-21kthreadcore08:05:182
2552204260,3sleep12553399-21cut08:05:171
2551272260,3sleep02552203-21irqstats08:05:160
2550472260,1sleep10-21swapper/108:04:171
2543968261,2sleep10-21swapper/107:58:201
2531161260,2sleep1222-21plymouthd07:48:171
2520982261,2sleep00-21swapper/007:40:190
2518107261,3sleep2222-21plymouthd07:36:052
2511836260,1sleep10-21swapper/107:32:461
2511020261,2sleep00-21swapper/007:30:200
2485773262,2sleep244-21ksoftirqd/207:15:032
2484498261,3sleep12485771-21kthreadcore07:15:021
2894329250,2sleep0222-21plymouthd11:55:180
2820089250,2sleep10-21swapper/111:10:121
2818697250,2sleep2222-21plymouthd11:07:022
2806413250,3sleep02807880-21ssh11:00:170
2789004250,2sleep00-21swapper/010:50:110
2763669250,2sleep1222-21plymouthd10:30:271
2665104250,3sleep22665263-21df_inode09:30:142
2621265250,2sleep22621298-21apt09:00:112
2595025250,2sleep0222-21plymouthd08:36:270
2595025250,2sleep0222-21plymouthd08:36:270
2582229250,2sleep0222-21plymouthd08:25:330
2563023250,2sleep0222-21plymouthd08:11:100
2512014251,2sleep00-21swapper/007:35:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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