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2026-04-02 - 21:28
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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 792 highest latencies:
System rack1slot3.osadl.org (updated Thu Apr 02, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2630127991311,1cyclictest0-21swapper/311:30:123
263012799130,11cyclictest0-21swapper/310:20:113
2630127991211,0cyclictest0-21swapper/308:50:123
2630127991211,0cyclictest0-21swapper/308:40:113
2630127991210,1cyclictest0-21swapper/311:40:123
263012799120,1cyclictest0-21swapper/312:35:123
263012799120,11cyclictest0-21swapper/311:00:183
263012799120,11cyclictest0-21swapper/310:05:183
2630127991110,0cyclictest0-21swapper/312:25:113
2630127991110,0cyclictest0-21swapper/309:55:103
2630127991110,0cyclictest0-21swapper/308:10:123
263012799110,11cyclictest0-21swapper/309:44:563
263012799110,10cyclictest0-21swapper/310:55:013
263012799110,10cyclictest0-21swapper/309:15:013
263012799110,0cyclictest0-21swapper/309:45:113
263012799110,0cyclictest0-21swapper/308:55:113
263012799110,0cyclictest0-21swapper/307:45:083
263012799109,0cyclictest0-21swapper/311:35:143
263012799109,0cyclictest0-21swapper/310:10:123
2630127991010,0cyclictest0-21swapper/312:30:123
2630127991010,0cyclictest0-21swapper/311:29:453
2630127991010,0cyclictest0-21swapper/310:55:143
2630127991010,0cyclictest0-21swapper/309:15:113
2630127991010,0cyclictest0-21swapper/309:15:113
2630127991010,0cyclictest0-21swapper/308:20:013
263012799100,9cyclictest0-21swapper/310:30:003
263012799100,0cyclictest0-21swapper/310:15:113
263012799100,0cyclictest0-21swapper/309:50:023
263012799100,0cyclictest0-21swapper/307:35:133
26301279999,0cyclictest0-21swapper/312:10:163
26301279999,0cyclictest0-21swapper/311:55:193
26301279999,0cyclictest0-21swapper/308:45:163
26301279999,0cyclictest0-21swapper/308:05:113
26301279999,0cyclictest0-21swapper/307:40:013
26301279998,0cyclictest0-21swapper/312:05:163
26301279998,0cyclictest0-21swapper/311:10:113
26301279990,8cyclictest0-21swapper/307:25:003
26301279988,0cyclictest0-21swapper/311:05:123
26301279988,0cyclictest0-21swapper/310:44:553
26301279988,0cyclictest0-21swapper/309:30:193
26301279988,0cyclictest0-21swapper/309:25:123
26301279987,0cyclictest0-21swapper/310:45:163
26301279980,0cyclictest0-21swapper/310:00:113
26301279977,0cyclictest0-21swapper/312:21:363
26301279977,0cyclictest0-21swapper/311:20:123
26301279977,0cyclictest0-21swapper/311:15:113
26301279977,0cyclictest0-21swapper/310:36:443
26301279977,0cyclictest0-21swapper/308:35:093
26301279977,0cyclictest0-21swapper/308:35:013
26301279976,0cyclictest0-21swapper/312:15:103
26301279976,0cyclictest0-21swapper/311:45:183
26301279970,7cyclictest0-21swapper/307:55:073
2628980271,4sleep30-21swapper/307:05:143
14039870,1rtkit-daemon328-21plymouthd07:09:502
26301279966,0cyclictest0-21swapper/312:00:173
26301279966,0cyclictest0-21swapper/311:50:153
26301279966,0cyclictest0-21swapper/310:30:123
26301279966,0cyclictest0-21swapper/309:35:113
26301279966,0cyclictest0-21swapper/307:10:013
26301279960,6cyclictest0-21swapper/307:15:003
26301279960,5cyclictest0-21swapper/309:00:173
26301279950,3cyclictest0-21swapper/307:25:073
2673385240,3sleep02673667-21users09:15:190
2673385240,3sleep02673667-21users09:15:190
26301279943,0cyclictest0-21swapper/309:20:083
26301279943,0cyclictest0-21swapper/308:25:163
26301279940,3cyclictest2641584-21chrt07:51:323
26301279940,2cyclictest0-21swapper/309:05:123
14039840,2rtkit-daemon766-21snmpd10:43:142
14039840,2rtkit-daemon766-21snmpd10:32:532
14039840,2rtkit-daemon2746812-21ntp_states12:10:152
14039840,2rtkit-daemon2743723-21perf12:09:512
14039840,2rtkit-daemon2725374-21/usr/sbin/munin11:20:142
14039840,2rtkit-daemon2694120-21kernelversion10:05:152
14039840,2rtkit-daemon2631079-21munin-node08:55:542
14039840,2rtkit-daemon1-21systemd11:40:592
14039840,2rtkit-daemon1-21systemd09:56:392
14039840,2rtkit-daemon1-21systemd08:00:112
14039840,1rtkit-daemon1-21systemd11:09:382
2720404230,0sleep00-21swapper/011:09:260
2717325230,0sleep1341rcuc/111:00:181
2702985230,2sleep02703235-21users10:25:190
2685609230,2sleep12685723-21switchtime09:45:181
2654560230,0sleep10-21swapper/108:30:131
26301279930,2cyclictest2644030-21chrt08:00:083
26301279930,2cyclictest2636017-21chrt07:30:023
26301279930,2cyclictest0-21swapper/308:20:103
2628188231,1sleep10-21swapper/107:05:081
2628186231,1sleep00-21swapper/007:05:070
14039830,2rtkit-daemon691-21gmain10:26:272
14039830,2rtkit-daemon2631079-21munin-node12:00:022
14039830,2rtkit-daemon1-21systemd10:14:592
14039830,2rtkit-daemon1-21systemd09:15:202
14039830,2rtkit-daemon1-21systemd09:15:202
14039830,1rtkit-daemon769-21ntpd10:55:262
14039830,1rtkit-daemon769-21ntpd09:50:022
14039830,1rtkit-daemon769-21ntpd07:17:592
14039830,1rtkit-daemon766-21snmpd11:35:102
14039830,1rtkit-daemon766-21snmpd11:34:072
14039830,1rtkit-daemon766-21snmpd11:17:462
14039830,1rtkit-daemon766-21snmpd11:12:072
14039830,1rtkit-daemon766-21snmpd10:24:112
14039830,1rtkit-daemon766-21snmpd09:40:552
14039830,1rtkit-daemon766-21snmpd09:26:062
14039830,1rtkit-daemon766-21snmpd07:49:512
14039830,1rtkit-daemon622-21wpa_supplicant12:36:062
14039830,1rtkit-daemon622-21wpa_supplicant08:46:542
14039830,1rtkit-daemon622-21wpa_supplicant08:43:042
14039830,1rtkit-daemon592-21rpcbind07:58:272
14039830,1rtkit-daemon418-21systemd-journal09:33:592
14039830,1rtkit-daemon418-21systemd-journal07:26:502
14039830,1rtkit-daemon328-21plymouthd09:46:062
14039830,1rtkit-daemon328-21plymouthd08:11:002
14039830,1rtkit-daemon328-21plymouthd07:50:262
14039830,1rtkit-daemon2631079-21munin-node12:22:232
14039830,1rtkit-daemon2631079-21munin-node11:28:262
14039830,1rtkit-daemon2631079-21munin-node11:01:382
14039830,1rtkit-daemon2631079-21munin-node10:50:042
14039830,1rtkit-daemon2631079-21munin-node10:36:062
14039830,1rtkit-daemon2617431-21munin-node07:13:512
14039830,1rtkit-daemon2117-21packagekitd10:19:192
14039830,1rtkit-daemon2117-21packagekitd07:40:492
14039830,1rtkit-daemon1322-21cron08:23:012
14039830,1rtkit-daemon1-21systemd12:30:272
14039830,1rtkit-daemon1-21systemd12:16:362
14039830,1rtkit-daemon1-21systemd11:55:182
14039830,1rtkit-daemon1-21systemd11:51:362
14039830,1rtkit-daemon1-21systemd10:45:562
14039830,1rtkit-daemon1-21systemd10:02:292
14039830,1rtkit-daemon1-21systemd09:35:072
14039830,1rtkit-daemon1-21systemd08:35:112
14039830,1rtkit-daemon1-21systemd08:30:042
14039830,1rtkit-daemon1-21systemd08:17:002
14039830,1rtkit-daemon0-21swapper/209:12:122
2757707220,1sleep02758002-21sed12:35:190
2731601220,1sleep02731685-21irqstats11:35:160
2730092220,1sleep02730374-21users11:30:190
2728778220,0sleep00-21swapper/011:29:350
2727466220,1sleep12727619-21memory11:25:161
2716567220,1sleep02716667-21aten_r1power_fr11:00:130
2710357220,1sleep02710541-21cat10:45:110
2708943220,1sleep00-21swapper/010:40:160
2700320220,1sleep02700475-21memory10:20:150
2698553220,1sleep02698725-21python310:15:180
2693023220,0sleep00-21swapper/010:02:140
2682719220,1sleep00-21swapper/009:40:120
2678620220,1sleep12678894-21sh09:30:131
2676859220,1sleep02676940-21/usr/sbin/munin09:25:140
2647915220,0sleep00-21swapper/008:10:590
14039820,1rtkit-daemon772-21lldpd07:23:372
14039820,1rtkit-daemon769-21ntpd09:00:112
14039820,1rtkit-daemon766-21snmpd09:20:512
14039820,1rtkit-daemon2631079-21munin-node08:50:052
14039820,1rtkit-daemon2631079-21munin-node08:25:102
14039820,1rtkit-daemon2631079-21munin-node07:35:112
14039820,0rtkit-daemon328-21plymouthd08:05:052
14039820,0rtkit-daemon328-21plymouthd07:32:262
14039820,0rtkit-daemon0-21swapper/212:25:112
14039820,0rtkit-daemon0-21swapper/211:45:072
14039820,0rtkit-daemon0-21swapper/209:05:022
2756719210,0sleep10-21swapper/112:35:041
2755977210,0sleep00-21swapper/012:30:310
2755169210,0sleep10-21swapper/112:30:161
2752597210,0sleep10-21swapper/112:25:121
2752568210,0sleep00-21swapper/012:25:110
2750490210,0sleep12750516-21apt-get12:20:111
2748696210,0sleep00-21swapper/012:15:140
2747111210,0sleep00-21swapper/012:10:180
2746655210,0sleep10-21swapper/112:10:151
2745400210,1sleep00-21swapper/012:06:320
2743962210,0sleep10-21swapper/112:05:141
2742610210,0sleep00-21swapper/012:00:170
2741809210,0sleep10-21swapper/112:00:021
2740230210,0sleep10-21swapper/111:55:181
2739514210,0sleep00-21swapper/011:55:130
2739181210,0sleep00-21swapper/011:54:210
2736988210,0sleep10-21swapper/111:48:211
2735351210,0sleep00-21swapper/011:45:120
2734311210,0sleep02734562-21users11:40:200
2733852210,0sleep10-21swapper/111:40:171
2731686210,0sleep10-21swapper/111:35:171
2729083210,0sleep10-21swapper/111:30:121
2726534210,0sleep10-21swapper/111:23:081
2725351210,0sleep00-21swapper/011:20:150
2724304210,0sleep00-21swapper/011:17:020
2722088210,0sleep10-21swapper/111:10:511
2721092210,0sleep00-21swapper/011:10:140
2714614210,0sleep12714887-21df_inode10:55:141
2714447210,0sleep00-21swapper/010:55:050
2713906210,1sleep00-21swapper/010:52:210
2711713210,0sleep10-21swapper/110:46:211
2708441210,0sleep10-21swapper/110:40:131
2706854210,0sleep10-21swapper/110:35:171
2706660210,0sleep00-21swapper/010:35:160
2704051210,0sleep00-21swapper/010:30:110
2702559210,0sleep10-21swapper/110:25:161
2701326210,0sleep10-21swapper/110:21:481
2699386210,0sleep10-21swapper/110:18:161
2697351210,0sleep10-21swapper/110:13:431
2695839210,0sleep00-21swapper/010:10:140
2695298210,1sleep00-21swapper/010:08:580
2695225210,0sleep10-21swapper/110:08:191
2691496210,0sleep10-21swapper/110:00:071
2690334210,0sleep00-21swapper/009:55:170
2689399210,0sleep12689404-21ssh09:55:101
2687152210,0sleep00-21swapper/009:50:130
2686548210,0sleep10-21swapper/109:50:021
2681851210,0sleep00-21swapper/009:35:280
2681280210,0sleep10-21swapper/109:35:171
2679663210,0sleep00-21swapper/009:30:200
2676427210,0sleep10-21swapper/109:25:121
2675162210,0sleep10-21swapper/109:20:161
2674419210,0sleep02674477-21aten2.4-expect09:20:110
2671884210,0sleep10-21swapper/109:12:361
2671848210,1sleep00-21swapper/009:12:070
2667333210,0sleep00-21swapper/009:00:180
2666968210,0sleep10-21swapper/109:00:151
2666190210,0sleep10-21swapper/108:59:031
2662797210,0sleep10-21swapper/108:50:141
2662523210,0sleep00-21swapper/008:50:120
2661834210,1sleep00-21swapper/008:45:330
2660301210,0sleep10-21swapper/108:45:021
2660045210,0sleep10-21swapper/108:42:061
2658668210,0sleep00-21swapper/008:40:130
2657769210,1sleep00-21swapper/008:36:040
2657208210,0sleep10-21swapper/108:35:171
2655789210,0sleep00-21swapper/008:30:200
2653937210,0sleep10-21swapper/108:26:011
2652587210,0sleep00-21swapper/008:25:120
2651727210,1sleep00-21swapper/008:20:310
2650472210,0sleep10-21swapper/108:20:121
2649122210,0sleep00-21swapper/008:15:150
2648631210,0sleep10-21swapper/108:15:121
2647061210,0sleep10-21swapper/108:10:161
2645554210,0sleep00-21swapper/008:05:140
2642546210,0sleep10-21swapper/107:55:111
2639828210,0sleep10-21swapper/107:45:101
2639324210,0sleep00-21swapper/007:45:010
2638933210,0sleep10-21swapper/107:40:021
2638418210,0sleep00-21swapper/007:40:010
2636739210,0sleep00-21swapper/007:35:090
2636166210,0sleep10-21swapper/107:31:571
2636034210,1sleep00-21swapper/007:30:160
2635688210,0sleep00-21swapper/007:28:520
2634170210,0sleep12634288-21aten2.4-expect07:25:091
2633812210,1sleep00-21swapper/007:24:200
2633225210,0sleep10-21swapper/107:20:011
2633218210,0sleep10-21swapper/107:19:571
2633157210,0sleep00-21swapper/007:19:120
2630823210,0sleep10-21swapper/107:14:441
2630467210,0sleep00-21swapper/007:10:350
2750470200,0sleep00-21swapper/012:20:020
2748105200,0sleep10-21swapper/112:15:031
2737178200,0sleep10-21swapper/111:50:001
2722795200,0sleep10-21swapper/111:15:031
2718627200,0sleep10-21swapper/111:05:031
2712360200,0sleep10-21swapper/110:50:021
2704010200,0sleep10-21swapper/110:30:041
2684703200,0sleep00-21swapper/009:45:050
2682625200,0sleep10-21swapper/109:40:051
2672360200,0sleep10-21swapper/109:15:041
2672360200,0sleep10-21swapper/109:15:041
2668436200,0sleep10-21swapper/109:05:031
2668354200,0sleep00-21swapper/009:05:020
2664093200,0sleep00-21swapper/008:55:010
2644644200,0sleep10-21swapper/108:05:031
2644021200,0sleep10-21swapper/108:00:031
2644020200,0sleep00-21swapper/008:00:020
2642087200,0sleep00-21swapper/007:55:020
2641468200,0sleep10-21swapper/107:50:031
2641258200,0sleep00-21swapper/007:50:020
2636640200,0sleep10-21swapper/107:35:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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