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2026-05-28 - 13:15
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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 rackfslot7.osadl.org (updated Thu May 28, 2026 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320600599867,39cyclictest3208902-21systemd-run19:15:023
3206005997878,0cyclictest0-21swapper/322:15:163
3206005997618,39cyclictest3275258-21munin-run21:15:023
3206005997314,40cyclictest3219719-21taskset19:34:053
3206005997314,39cyclictest0-21swapper/320:16:043
3206005997232,39cyclictest0-21swapper/321:38:123
3206005997232,19cyclictest0-21swapper/320:32:113
3206005997112,59cyclictest3278743-21/usr/sbin/munin21:20:143
3206005996727,38cyclictest3338463-21unin-run23:10:013
3206005996627,38cyclictest3216447-21timerandwakeup19:25:223
3206005996526,39cyclictest0-21swapper/322:59:173
3206005996525,39cyclictest52-21ksoftirqd/300:15:153
320600599635,39cyclictest3317291-21kworker/u32:1+events_unbound23:10:093
320600499624,19cyclictest0-21swapper/222:05:162
3206005996021,39cyclictest3324113-21runrttasks22:42:543
320600599590,58cyclictest3241533-21taskset20:13:543
3206005995820,19cyclictest3385793-21df00:35:133
3206005995739,18cyclictest511ktimers/323:48:223
3206005995716,20cyclictest874-21mta-sts-daemon22:28:443
3206005995636,19cyclictest3261684-21df_inode20:50:133
3206005995618,20cyclictest3209412-21seq19:15:133
3206005995536,19cyclictest511ktimers/323:54:453
3206005995516,39cyclictest3234951-21memory20:00:183
3206005995435,19cyclictest511ktimers/321:27:293
3206005995419,35cyclictest0-21swapper/323:34:373
3206005995419,15cyclictest0-21swapper/300:00:423
3206005995416,19cyclictest3384642-21chrt00:32:203
3206005995413,20cyclictest0-21swapper/323:40:033
3206005995335,18cyclictest0-21swapper/322:45:173
3206005995334,19cyclictest511ktimers/321:50:113
3206005995334,19cyclictest511ktimers/319:40:073
3206005995333,19cyclictest0-21swapper/321:40:293
3206005995319,34cyclictest0-21swapper/323:55:173
3206005995319,34cyclictest0-21swapper/323:23:453
3206005995319,34cyclictest0-21swapper/322:13:213
3206005995319,15cyclictest0-21swapper/320:40:413
3206005995319,15cyclictest0-21swapper/320:05:533
3206005995319,15cyclictest0-21swapper/319:51:263
3206005995319,15cyclictest0-21swapper/300:29:133
3206005995318,15cyclictest0-21swapper/322:53:183
3206005995316,19cyclictest3278004-21munin-run21:20:013
3206005995314,39cyclictest0-21swapper/321:48:223
3206005995314,39cyclictest0-21swapper/300:10:503
3206009995213,19cyclictest0-21swapper/720:15:147
3206005995233,19cyclictest0-21swapper/323:35:103
3206005995233,19cyclictest0-21swapper/323:17:143
3206005995233,19cyclictest0-21swapper/323:02:223
3206005995233,19cyclictest0-21swapper/322:31:373
3206005995233,19cyclictest0-21swapper/321:58:183
3206005995233,19cyclictest0-21swapper/321:01:303
3206005995233,19cyclictest0-21swapper/320:23:093
3206005995233,19cyclictest0-21swapper/319:57:293
3206005995233,19cyclictest0-21swapper/319:20:493
3206005995233,19cyclictest0-21swapper/300:05:173
3206005995233,0cyclictest3283681-21aten2.4_rfpower21:30:123
3206005995233,0cyclictest0-21swapper/323:25:183
3206005995233,0cyclictest0-21swapper/322:07:023
3206005995213,39cyclictest0-21swapper/322:36:503
3206005995213,39cyclictest0-21swapper/322:02:533
3206006995114,18cyclictest0-21swapper/400:20:154
3206005995133,0cyclictest0-21swapper/319:35:063
3206005995132,19cyclictest0-21swapper/322:24:453
3206005995132,19cyclictest0-21swapper/321:00:023
3206005995132,19cyclictest0-21swapper/320:38:343
3206005995132,19cyclictest0-21swapper/319:45:013
3206004995132,19cyclictest0-21swapper/223:30:152
3206008995012,38cyclictest0-21swapper/621:15:156
3206005995032,18cyclictest0-21swapper/321:08:093
3206005995032,18cyclictest0-21swapper/320:29:143
3206005995032,18cyclictest0-21swapper/300:22:223
3206004995012,19cyclictest0-21swapper/221:15:162
3206005994830,18cyclictest0-21swapper/320:45:343
3206002994829,19cyclictest0-21swapper/020:51:230
320600399479,19cyclictest0-21swapper/119:50:141
320600999468,38cyclictest0-21swapper/700:15:167
320600499468,19cyclictest0-21swapper/220:35:152
320600299467,39cyclictest0-21swapper/021:40:140
3206002994627,19cyclictest0-21swapper/020:03:210
320600299456,20cyclictest0-21swapper/000:15:150
320600699445,39cyclictest0-21swapper/400:35:154
3206002994425,19cyclictest0-21swapper/021:45:280
3206002994425,19cyclictest0-21swapper/020:39:230
3206002994425,19cyclictest0-21swapper/019:57:190
320600699435,38cyclictest0-21swapper/420:55:164
3206002994324,19cyclictest0-21swapper/000:03:370
320600999424,19cyclictest0-21swapper/720:00:157
320600799424,19cyclictest0-21swapper/519:25:155
3206007994222,20cyclictest0-21swapper/522:40:165
320600999413,19cyclictest0-21swapper/723:20:147
320600499413,19cyclictest0-21swapper/221:00:172
3206002994122,19cyclictest0-21swapper/019:39:190
320600499402,19cyclictest0-21swapper/220:00:162
3206007993819,19cyclictest0-21swapper/520:00:155
3206003993837,1cyclictest870-21mta-sts-daemon21:12:271
3206002993838,0cyclictest0-21swapper/020:26:040
3206002993817,19cyclictest221rcuc/021:27:260
320600999370,18cyclictest0-21swapper/723:35:167
320600999370,18cyclictest0-21swapper/723:10:157
320600299370,18cyclictest0-21swapper/022:50:150
320600999360,36cyclictest0-21swapper/721:48:537
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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