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2026-03-30 - 00:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 100 highest latencies:
System rackeslot4.osadl.org (updated Sun Mar 29, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254039699300,20cyclictest2667267-21idleruntime-cro09:15:003
254039699291,1cyclictest2784429-21apt-get11:10:123
254039699280,19cyclictest2636869-21turbostat.cron08:44:593
254039199281,20cyclictest2774342-21apt-get11:00:122
254039199280,25cyclictest2688274-21apt-get09:35:142
254039199280,25cyclictest2688274-21apt-get09:35:132
254039699271,19cyclictest2839747-21ntpq12:00:183
254039699270,1cyclictest0-21swapper/308:47:133
254039699270,18cyclictest2856579-21grep12:20:153
254039699270,18cyclictest2856579-21grep12:20:153
254039199261,22cyclictest2713566-21apt-get10:00:122
254039199261,21cyclictest2693328-21apt-get09:40:122
254039199261,20cyclictest2764186-21apt-get10:50:122
254038699262,21cyclictest2830770-21apt-get11:55:131
254038699262,21cyclictest2667512-21apt-get09:15:111
254038699262,20cyclictest2611910-21apt-get08:20:131
2540396992519,3cyclictest2851032-21apt-get12:15:113
254039699250,1cyclictest0-21swapper/311:15:103
254039699250,1cyclictest0-21swapper/308:38:383
254039199252,21cyclictest2810551-21apt-get11:35:132
254039199251,4cyclictest2743696-21ls10:30:002
254039199251,23cyclictest2804793-21cron11:30:002
254039199250,21cyclictest0-21swapper/208:30:132
254038699251,21cyclictest2683218-21apt-get09:30:111
2540396992415,1cyclictest0-21swapper/311:50:213
254039699240,1cyclictest0-21swapper/307:10:113
254039199242,2cyclictest2789503-21apt-get11:15:102
2540391992420,2cyclictest2586612-21apt-get07:55:112
254039199241,21cyclictest64-21kcompactd008:40:132
254039199241,21cyclictest2687120-21ntpq09:30:202
254039199241,20cyclictest0-21swapper/212:10:122
254039199240,21cyclictest0-21swapper/209:55:102
2540386992420,2cyclictest2647245-21apt-get08:55:111
254038699241,21cyclictest2749023-21apt-get10:35:121
254038699241,21cyclictest2718351-21awk10:05:001
254038699241,20cyclictest2743971-21seq10:30:111
254038699240,20cyclictest0-21swapper/111:30:131
254038199241,3cyclictest2805073-21apt-get11:30:130
254038199241,2cyclictest2708512-21apt-get09:55:100
254038199241,21cyclictest2622020-21apt-get08:30:120
254038199241,21cyclictest2606852-21apt-get08:15:110
254038199241,21cyclictest2581555-21apt-get07:50:110
254038199241,21cyclictest2546105-21apt-get07:15:120
254039699232,2cyclictest2616966-21apt-get08:25:123
2540396992319,2cyclictest2591690-21apt-get08:00:123
254039699231,2cyclictest2566352-21apt-get07:35:133
254039699231,20cyclictest2800017-21apt-get11:25:123
254039699230,20cyclictest0-21swapper/311:55:133
254039699230,20cyclictest0-21swapper/310:45:133
254039699230,20cyclictest0-21swapper/307:20:113
254039699230,19cyclictest0-21swapper/312:10:123
2540391992320,2cyclictest2601775-21apt-get08:10:122
2540391992319,2cyclictest2845674-21cron12:10:002
2540391992319,2cyclictest2698404-21apt-get09:45:132
2540391992319,2cyclictest2555087-21ntpq07:20:202
2540391992317,5cyclictest261-21systemd-journal10:25:012
254039199231,2cyclictest2779397-21apt-get11:05:132
254039199230,21cyclictest2840661-21unin-run12:04:592
254039199230,20cyclictest2576482-21apt-get07:45:142
254039199230,20cyclictest0-21swapper/211:50:122
254039199230,20cyclictest0-21swapper/208:25:122
2540386992319,2cyclictest2723701-21apt-get10:10:121
2540386992319,2cyclictest0-21swapper/107:45:131
254038699231,2cyclictest2656195-21ntpq09:00:191
254038699230,3cyclictest2855840-21chrt12:19:591
254038699230,20cyclictest0-21swapper/107:25:101
254038199232,2cyclictest2688274-21apt-get09:35:140
254038199232,2cyclictest2688274-21apt-get09:35:130
254038199232,2cyclictest2540580-21apt-get07:10:110
2540381992320,2cyclictest2657377-21apt-get09:05:120
254038199231,2cyclictest2632081-21apt-get08:40:110
254038199231,21cyclictest61650irq/133-enp0s29f1:rx-012:14:120
254038199231,21cyclictest2728733-21apt-get10:15:110
254038199231,20cyclictest2591690-21apt-get08:00:120
2540396992218,3cyclictest0-21swapper/311:05:133
254039699221,20cyclictest2673041-21apt-get09:20:133
254039699220,21cyclictest2733539-21cron10:20:013
254039699220,20cyclictest0-21swapper/311:40:133
254039699220,20cyclictest0-21swapper/308:05:133
254039699220,20cyclictest0-21swapper/307:45:133
254039699220,19cyclictest0-21swapper/311:35:133
254039699220,19cyclictest0-21swapper/310:50:123
254039699220,19cyclictest0-21swapper/309:15:113
254039699220,18cyclictest0-21swapper/312:06:403
254039699220,18cyclictest0-21swapper/310:25:103
2540391992219,2cyclictest2718623-21apt-get10:05:132
2540391992219,2cyclictest0-21swapper/209:21:382
2540391992219,2cyclictest0-21swapper/209:05:132
2540391992219,1cyclictest0-21swapper/210:10:122
2540391992219,1cyclictest0-21swapper/207:40:102
2540391992218,2cyclictest2545747-21grep07:15:012
254039199221,1cyclictest0-21swapper/208:35:142
254039199221,19cyclictest2571145-21munin-run07:40:002
254039199220,20cyclictest0-21swapper/207:25:092
2540386992216,3cyclictest0-21swapper/108:15:111
254038699221,20cyclictest2815607-21apt-get11:40:131
254038699221,20cyclictest0-21swapper/110:20:121
254038699221,20cyclictest0-21swapper/108:40:121
254038699221,1cyclictest0-21swapper/112:00:091
254038699220,2cyclictest2866248-21apt-get12:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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