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2026-04-28 - 04:52
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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 100 highest latencies:
System rackeslot8.osadl.org (updated Mon Apr 27, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29234292260,1sleep30-21swapper/311:35:193
2537540992421,1cyclictest0-21swapper/310:00:013
2537540992320,1cyclictest0-21swapper/310:35:003
2537540992320,1cyclictest0-21swapper/310:34:593
253754099222,15cyclictest2604159-21taskset07:59:473
2537540992118,1cyclictest0-21swapper/311:41:203
2537540992118,1cyclictest0-21swapper/311:00:013
253754099211,14cyclictest2904382-21taskset11:25:013
253754099209,8cyclictest27336972sleep309:35:133
2537540992017,1cyclictest0-21swapper/308:05:133
2537540992014,3cyclictest27876972sleep310:10:003
253754099201,14cyclictest2936884-21taskset11:45:173
253754099201,14cyclictest2688299-21taskset09:05:013
253754099201,14cyclictest2649338-21turbostat08:35:003
28610582192,5sleep02862905-21kthreadcore10:55:200
25403782199,7sleep12542264-21cut07:10:181
2537540991917,1cyclictest0-21swapper/310:40:013
2537540991916,1cyclictest0-21swapper/310:10:213
2537540991915,1cyclictest0-21swapper/311:50:273
253754099191,14cyclictest3011529-21taskset12:30:573
253754099191,14cyclictest2965294-21taskset12:02:223
253754099191,14cyclictest2886893-21taskset11:10:263
253754099191,14cyclictest2654935-21taskset08:35:223
253754099191,14cyclictest2578408-21turbostat07:40:013
253754099191,13cyclictest2818856-21taskset10:30:003
25667502180,14sleep22567753-21cut07:30:152
253754099182,13cyclictest2642729-21taskset08:28:243
2537540991816,1cyclictest0-21swapper/307:20:013
2537540991815,1cyclictest0-21swapper/312:40:003
2537540991815,1cyclictest0-21swapper/312:12:153
2537540991815,1cyclictest0-21swapper/311:00:133
253754099181,14cyclictest2837071-21taskset10:40:183
253754099181,13cyclictest2996666-21taskset12:22:473
253754099181,13cyclictest2848718-21taskset10:46:373
253754099181,13cyclictest2808353-21taskset10:20:193
253754099181,13cyclictest2674287-21chrt08:50:263
253754099181,13cyclictest2635510-21chrt08:20:233
253754099181,13cyclictest2567755-21taskset07:30:153
298963521713,2sleep10-21swapper/112:20:001
29288702170,14sleep22929866-21grep11:40:172
29026632171,13sleep02902668-21sh11:20:380
253754099172,12cyclictest2896146-21taskset11:19:153
253754099172,12cyclictest2708740-21taskset09:16:203
253754099172,12cyclictest2668425-21taskset08:46:243
2537540991715,1cyclictest0-21swapper/311:05:233
2537540991715,1cyclictest0-21swapper/309:50:143
2537540991714,1cyclictest0-21swapper/312:25:193
2537540991714,1cyclictest0-21swapper/312:05:103
2537540991714,1cyclictest0-21swapper/310:50:253
2537540991714,1cyclictest0-21swapper/309:45:143
2537540991714,1cyclictest0-21swapper/309:10:203
2537540991713,1cyclictest0-21swapper/310:15:213
253754099171,13cyclictest2661973-21taskset08:40:563
253754099171,13cyclictest2623293-21taskset08:12:303
253754099171,12cyclictest2982291-21taskset12:15:123
253754099171,12cyclictest2610310-21taskset08:00:473
253754099170,13cyclictest2710323-21taskset09:20:123
29204142161,12sleep02920969-21ps11:35:180
2537540991614,1cyclictest0-21swapper/307:10:173
253754099161,13cyclictest2911003-21taskset11:27:133
253754099161,12cyclictest2746593-21taskset09:40:203
253754099161,12cyclictest2731038-21taskset09:30:183
253754099161,12cyclictest2724305-21taskset09:26:223
253754099161,12cyclictest2687707-21taskset09:00:403
253754099161,12cyclictest2675599-21taskset08:55:143
253754099161,12cyclictest2629885-21taskset08:19:423
253754099161,12cyclictest2597695-21taskset07:54:453
253754099161,12cyclictest2585099-21taskset07:45:043
253754099161,12cyclictest2584754-21taskset07:43:543
253754099161,12cyclictest2552822-21taskset07:20:013
253754099161,11cyclictest2912205-21taskset11:30:113
253754099161,11cyclictest2565149-21taskset07:25:393
253754099160,12cyclictest2956431-21taskset11:55:243
253754099160,12cyclictest2956431-21taskset11:55:233
253754099160,12cyclictest2777797-21taskset10:00:213
129998160,7rtkit-daemon2887138-21ssh11:10:302
129998160,10rtkit-daemon2641903-21ntpq08:25:222
29504082151,5sleep22950414-21ssh11:54:112
27352372151,11sleep12736954-21cut09:35:191
26705812153,9sleep12672345-21kthreadcore08:50:201
26290152151,11sleep02629057-21ntpq08:15:230
30046692141,9sleep13004675-21ssh12:28:391
29005302140,3sleep2421rcuc/211:20:192
26885092141,10sleep12688684-21gltestperf09:05:161
25544652141,10sleep22556205-21cut07:20:172
25372592140,2sleep30-21swapper/307:08:283
27581922130,11sleep02759128-21kthreadcore09:50:180
26109162131,9sleep20-21swapper/208:05:112
30144672121,8sleep13015414-21cut12:35:171
28685412120,2sleep2421rcuc/211:00:192
28185522120,8sleep12818558-21ssh10:29:311
27932972121,8sleep02793345-21ntpq10:10:220
27865382120,9sleep22786544-21ssh10:06:382
26849182120,9sleep12684952-21kthreadcore09:00:181
129998120,4rtkit-daemon703-21mta-sts-daemon08:33:372
29573812110,8sleep12957387-21ssh11:56:561
29573812110,8sleep12957387-21ssh11:56:551
28728572111,7sleep12872861-21ssh11:04:161
27416682110,8sleep12741803-21head09:40:161
27155382110,8sleep02715631-21ntpq09:20:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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