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2026-05-02 - 03:13
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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 rack1slot3.osadl.org (updated Sat May 02, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278855799137,5cyclictest0-21swapper/321:45:123
2788557991311,1cyclictest0-21swapper/320:20:113
278855799130,11cyclictest0-21swapper/300:00:123
278855799120,11cyclictest0-21swapper/323:15:123
278855799120,11cyclictest0-21swapper/321:45:013
278855799120,11cyclictest0-21swapper/320:15:003
278855799120,11cyclictest0-21swapper/319:45:003
278855799120,0cyclictest0-21swapper/321:50:113
278855799119,1cyclictest0-21swapper/320:30:113
2788557991111,0cyclictest0-21swapper/321:00:183
2788557991111,0cyclictest0-21swapper/300:05:183
2788557991110,0cyclictest0-21swapper/319:45:143
2788557991110,0cyclictest0-21swapper/319:30:103
278855799110,8cyclictest0-21swapper/323:00:203
278855799110,11cyclictest0-21swapper/319:15:003
278855799110,10cyclictest0-21swapper/323:40:143
278855799110,10cyclictest0-21swapper/322:45:023
278855799110,10cyclictest0-21swapper/320:45:173
278855799110,10cyclictest0-21swapper/300:30:133
278855799109,0cyclictest0-21swapper/321:30:113
278855799109,0cyclictest0-21swapper/321:20:113
278855799109,0cyclictest0-21swapper/319:15:103
278855799108,1cyclictest2871742-21turbostat22:39:563
278855799108,1cyclictest0-21swapper/320:50:103
2788557991010,0cyclictest0-21swapper/323:31:583
2788557991010,0cyclictest0-21swapper/322:25:133
2788557991010,0cyclictest0-21swapper/321:25:133
2788557991010,0cyclictest0-21swapper/321:19:563
2788557991010,0cyclictest0-21swapper/320:19:273
2788557991010,0cyclictest0-21swapper/319:25:013
2788557991010,0cyclictest0-21swapper/300:40:013
278855799100,9cyclictest0-21swapper/322:20:013
278855799100,9cyclictest0-21swapper/320:05:163
278855799100,10cyclictest0-21swapper/323:10:013
278855799100,10cyclictest0-21swapper/319:25:163
278855799100,0cyclictest0-21swapper/322:15:163
278855799100,0cyclictest0-21swapper/322:05:173
278855799100,0cyclictest0-21swapper/319:50:123
27885579999,0cyclictest0-21swapper/322:10:133
27885579999,0cyclictest0-21swapper/321:35:163
27885579999,0cyclictest0-21swapper/320:00:133
27885579998,1cyclictest0-21swapper/320:40:143
27885579998,0cyclictest0-21swapper/300:20:133
27885579990,8cyclictest0-21swapper/320:25:003
27885579990,0cyclictest0-21swapper/323:50:023
27885579988,0cyclictest0-21swapper/323:50:123
27885579988,0cyclictest0-21swapper/322:55:183
27885579988,0cyclictest0-21swapper/321:55:033
27885579987,0cyclictest0-21swapper/300:25:193
27885579980,7cyclictest0-21swapper/300:15:133
27885579980,6cyclictest0-21swapper/323:35:113
27885579977,0cyclictest0-21swapper/322:45:123
2787187271,4sleep30-21swapper/319:05:163
2801835260,0sleep1341rcuc/119:40:151
27885579966,0cyclictest0-21swapper/323:11:383
27885579966,0cyclictest0-21swapper/322:30:113
27885579966,0cyclictest0-21swapper/321:10:143
27885579966,0cyclictest0-21swapper/319:55:153
27885579965,0cyclictest0-21swapper/322:04:083
27885579960,6cyclictest0-21swapper/300:00:003
27885579960,0cyclictest0-21swapper/322:50:173
27885579960,0cyclictest0-21swapper/320:35:103
27885579955,0cyclictest0-21swapper/321:05:113
2842184240,3sleep12842486-21/usr/sbin/munin21:25:131
2798682243,1sleep02792813-21kworker/0:0+events19:33:500
27885579944,0cyclictest0-21swapper/323:21:333
27885579944,0cyclictest0-21swapper/320:55:083
27885579944,0cyclictest0-21swapper/319:36:123
27885579943,0cyclictest0-21swapper/300:10:123
27885579940,3cyclictest2893128-21chrt23:25:103
2788055242,1sleep20-21swapper/219:05:262
2786502242,1sleep10-21swapper/119:05:011
2900397230,2sleep02900468-21sed23:40:170
2888676230,1sleep12888702-21apt-get23:15:121
2879919232,1sleep02852701-21kworker/0:1+events22:53:420
2850835230,2sleep12850859-21apt21:45:111
2816288230,2sleep02816384-21cat20:20:000
2797109230,1sleep12797135-21apt-get19:30:101
2791085230,1sleep22791111-21apt-get19:15:102
2786749231,1sleep00-21swapper/019:05:120
2923004220,1sleep00-21swapper/000:33:450
2919722220,1sleep12919844-21grep00:25:171
2918462220,1sleep12918519-21munin-run00:25:011
2914011220,0sleep22914028-21apt-get00:15:022
2903280220,0sleep00-21swapper/023:47:250
2898005220,1sleep22898163-21sed23:35:162
2897283220,1sleep22897287-21ssh23:34:502
2888328220,0sleep00-21swapper/023:14:120
2870654220,1sleep02870779-21sendmail_mailqu22:30:170
2868419220,1sleep02868573-21ntp_states22:25:160
2867549220,1sleep12867719-21latency_hist22:25:011
2860293220,1sleep00-21swapper/022:05:190
2858935220,1sleep22858951-21munin-run22:05:012
2838550220,1sleep22838703-21systemctl21:15:182
2833804220,1sleep00-21swapper/021:05:110
2820614220,1sleep02820812-21diskstats20:30:140
2808617220,1sleep12808651-21sendmail20:00:001
2808453220,0sleep20-21swapper/219:57:572
2804768221,1sleep0171ktimers/019:49:420
2798117220,1sleep22798399-21users19:30:192
2795639220,1sleep12795804-21cat19:25:141
2924788210,0sleep20-21swapper/200:36:062
2923492210,0sleep00-21swapper/000:35:120
2923149210,0sleep10-21swapper/100:35:011
2921302210,0sleep20-21swapper/200:30:022
2920808210,0sleep12920819-21apt-get00:30:011
2918978210,0sleep00-21swapper/000:25:120
2918579210,0sleep20-21swapper/200:25:022
2917005210,0sleep00-21swapper/000:20:150
2916634210,0sleep20-21swapper/200:20:132
2915847210,0sleep10-21swapper/100:15:291
2913976210,0sleep10-21swapper/100:14:441
2912616210,0sleep00-21swapper/000:10:150
2911673210,0sleep20-21swapper/200:07:452
2911457210,0sleep10-21swapper/100:05:471
2909409210,0sleep10-21swapper/100:01:071
2908637210,0sleep20-21swapper/200:00:172
2908440210,0sleep00-21swapper/000:00:140
2907286210,1sleep00-21swapper/023:56:020
2906880210,0sleep20-21swapper/223:55:202
2905905210,0sleep10-21swapper/123:55:111
2905527210,0sleep20-21swapper/223:53:562
2904793210,0sleep00-21swapper/023:50:180
2903824210,0sleep10-21swapper/123:50:101
2902683210,0sleep20-21swapper/223:45:192
2901881210,0sleep10-21swapper/123:45:141
2901400210,0sleep10-21swapper/123:44:141
2900098210,0sleep20-21swapper/223:40:152
2897542210,1sleep00-21swapper/023:35:050
2896861210,0sleep10-21swapper/123:31:051
2896781210,1sleep00-21swapper/023:30:200
2893577210,0sleep00-21swapper/023:25:160
2892612210,0sleep10-21swapper/123:25:011
2892109210,0sleep20-21swapper/223:20:352
2891315210,0sleep10-21swapper/123:20:171
2888330210,0sleep20-21swapper/223:14:132
2887326210,0sleep10-21swapper/123:10:161
2886113210,0sleep20-21swapper/223:08:012
2885128210,0sleep00-21swapper/023:05:150
2884630210,0sleep10-21swapper/123:05:121
2883908210,0sleep20-21swapper/223:01:562
2883883210,0sleep00-21swapper/023:01:420
2882566210,0sleep10-21swapper/123:00:151
2882030210,0sleep00-21swapper/022:58:580
2880750210,0sleep20-21swapper/222:55:172
2880448210,0sleep10-21swapper/122:55:161
2878330210,0sleep20-21swapper/222:50:122
2878238210,0sleep10-21swapper/122:50:111
2877133210,0sleep00-21swapper/022:45:170
2876182210,0sleep20-21swapper/222:45:112
2876153210,0sleep10-21swapper/122:45:101
2875476210,0sleep00-21swapper/022:41:130
2875397210,0sleep20-21swapper/222:40:312
2873848210,0sleep10-21swapper/122:40:021
2873273210,0sleep00-21swapper/022:35:210
2872940210,0sleep20-21swapper/222:35:192
2872157210,0sleep10-21swapper/122:35:141
2870333210,0sleep20-21swapper/222:30:142
2869633210,0sleep10-21swapper/122:30:021
2869222210,0sleep10-21swapper/122:26:211
2867721210,0sleep20-21swapper/222:25:022
2865954210,0sleep20-21swapper/222:20:142
2865720210,0sleep00-21swapper/022:20:120
2863348210,0sleep00-21swapper/022:15:110
2863335210,0sleep10-21swapper/122:15:051
2863097210,0sleep20-21swapper/222:15:022
2862666210,0sleep10-21swapper/122:11:121
2862579210,0sleep00-21swapper/022:10:230
2861269210,0sleep20-21swapper/222:10:132
2859807210,0sleep10-21swapper/122:05:161
2857630210,0sleep10-21swapper/122:00:161
2857545210,0sleep00-21swapper/022:00:150
2856431210,0sleep20-21swapper/221:56:282
2855936210,0sleep00-21swapper/021:55:180
2855516210,0sleep10-21swapper/121:55:151
2854541210,0sleep10-21swapper/121:53:111
2852808210,0sleep00-21swapper/021:50:030
2851801210,0sleep00-21swapper/021:45:180
2851507210,0sleep20-21swapper/221:45:162
2848489210,0sleep10-21swapper/121:40:101
2848476210,0sleep20-21swapper/221:40:032
2846125210,0sleep10-21swapper/121:35:111
2846117210,1sleep22846119-21ssh21:35:082
2845874210,0sleep00-21swapper/021:35:010
2844809210,0sleep00-21swapper/021:30:170
2843823210,0sleep10-21swapper/121:30:021
2842084210,0sleep00-21swapper/021:25:120
2841499210,0sleep00-21swapper/021:21:520
2839509210,0sleep12839520-21apt-get21:20:011
2838421210,0sleep10-21swapper/121:15:171
2837764210,0sleep00-21swapper/021:15:120
2837327210,0sleep00-21swapper/021:13:210
2836140210,0sleep20-21swapper/221:10:132
2835869210,0sleep10-21swapper/121:10:121
2833559210,0sleep20-21swapper/221:05:012
2833239210,0sleep20-21swapper/221:00:572
2830382210,0sleep00-21swapper/020:55:140
2829988210,0sleep20-21swapper/220:55:132
2829959210,0sleep12829985-21apt-get20:55:121
2829357210,0sleep10-21swapper/120:50:271
2828332210,0sleep20-21swapper/220:50:122
2827550210,1sleep20-21swapper/220:46:482
2827001210,0sleep10-21swapper/120:45:191
2826231210,0sleep00-21swapper/020:45:140
2824604210,0sleep20-21swapper/220:40:162
2824238210,0sleep00-21swapper/020:40:140
2822320210,0sleep20-21swapper/220:35:112
2822291210,0sleep10-21swapper/120:35:101
2822048210,0sleep00-21swapper/020:35:010
2820379210,0sleep20-21swapper/220:30:112
2820112210,1sleep00-21swapper/020:29:490
2818911210,0sleep20-21swapper/220:25:152
2818751210,0sleep10-21swapper/120:25:141
2815056210,0sleep20-21swapper/220:15:152
2814363210,0sleep00-21swapper/020:14:560
2813502210,0sleep10-21swapper/120:10:171
2811585210,0sleep20-21swapper/220:05:172
2810797210,0sleep00-21swapper/020:05:110
2810130210,0sleep10-21swapper/120:00:201
2808653210,0sleep20-21swapper/220:00:022
2807454210,0sleep00-21swapper/019:55:150
2805471210,0sleep00-21swapper/019:50:160
2805071210,0sleep20-21swapper/219:50:132
2805042210,0sleep10-21swapper/119:50:121
2804463210,0sleep10-21swapper/119:45:471
2802882210,0sleep20-21swapper/219:45:002
2801995210,0sleep20-21swapper/219:40:162
2801216210,0sleep00-21swapper/019:40:100
2799021210,0sleep10-21swapper/119:35:121
2795805210,0sleep20-21swapper/219:25:152
2794736210,0sleep00-21swapper/019:25:010
2794356210,0sleep20-21swapper/219:20:482
2793020210,0sleep00-21swapper/019:20:090
2790377210,0sleep00-21swapper/019:15:000
2789786210,0sleep00-21swapper/019:10:210
2788998210,0sleep20-21swapper/219:10:142
2914509200,0sleep00-21swapper/000:15:030
2911927200,0sleep20-21swapper/200:10:012
2910086200,0sleep00-21swapper/000:05:020
2897538200,0sleep10-21swapper/123:35:021
2893111200,0sleep20-21swapper/223:25:022
2890767200,0sleep00-21swapper/023:20:040
2888659200,0sleep00-21swapper/023:15:030
2888451200,0sleep20-21swapper/223:15:012
2859172200,0sleep20-21swapper/222:05:052
2852906200,0sleep20-21swapper/221:50:042
2847958200,0sleep00-21swapper/021:40:010
2844058200,0sleep20-21swapper/221:30:032
2842044200,0sleep20-21swapper/221:25:022
2840027200,0sleep20-21swapper/221:20:032
2833795200,0sleep10-21swapper/121:05:041
2831884200,0sleep10-21swapper/121:00:041
2831883200,0sleep00-21swapper/021:00:030
2828037200,0sleep00-21swapper/020:50:020
2824215200,0sleep10-21swapper/120:40:031
2820368200,0sleep10-21swapper/120:30:031
2816547200,0sleep00-21swapper/020:20:040
2816544200,0sleep20-21swapper/220:20:022
2816386200,0sleep10-21swapper/120:20:011
2814373200,0sleep10-21swapper/120:15:021
2812695200,0sleep20-21swapper/220:10:022
2810551200,0sleep10-21swapper/120:05:001
2808876200,0sleep00-21swapper/020:00:030
2799012200,0sleep20-21swapper/219:35:042
2799010200,0sleep00-21swapper/019:35:020
2793011200,0sleep10-21swapper/119:20:021
2791028200,0sleep10-21swapper/119:15:011
2788699200,0sleep10-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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