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2026-07-16 - 04:24
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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 rack0slot5.osadl.org (updated Thu Jul 16, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2746005995776,27cyclictest0-21swapper/1523:10:167
274596399517515,2cyclictest2827083-21kworker/5:5+i915-unordered21:35:1711
274599199506504,2cyclictest2811210-21kworker/11:0+i915-unordered20:35:173
27459969947820,58cyclictest0-21swapper/1321:58:595
274599399473472,0cyclictest2774633-21kworker/12:1+i915-unordered19:37:174
274598699469467,2cyclictest2927519-21kworker/10:2+i915-unordered23:22:162
2745971994628,453cyclictest0-21swapper/719:54:1713
274599199457455,2cyclictest2947799-21kworker/11:1+i915-unordered23:32:163
274597499453452,1cyclictest69750irq/159-i91522:18:1714
274596899452394,28cyclictest0-21swapper/623:45:1612
274596899452394,28cyclictest0-21swapper/623:45:1612
274594999452450,2cyclictest2851092-21kworker/1:2+i915-unordered22:03:171
27459969945122,30cyclictest0-21swapper/1320:07:005
27459969944821,29cyclictest0-21swapper/1323:25:395
27459969944820,29cyclictest0-21swapper/1300:34:395
27459969944820,28cyclictest0-21swapper/1321:45:405
27460059944517,30cyclictest0-21swapper/1523:59:397
27460059944516,30cyclictest0-21swapper/1519:13:027
27459539944526,418cyclictest0-21swapper/223:26:398
27459539944522,30cyclictest43-21ksoftirqd/220:58:178
27460059944419,29cyclictest0-21swapper/1521:53:387
27460059944418,29cyclictest0-21swapper/1522:22:007
27460059944319,29cyclictest0-21swapper/1500:29:397
27460059944318,29cyclictest0-21swapper/1521:57:387
27460059944317,30cyclictest0-21swapper/1500:13:007
27460059944316,30cyclictest0-21swapper/1520:22:037
27460059944316,29cyclictest0-21swapper/1523:49:017
27460059944316,29cyclictest0-21swapper/1523:49:017
2745960994432,440cyclictest0-21swapper/420:12:1110
27460059944216,30cyclictest0-21swapper/1523:12:377
27460059944214,30cyclictest0-21swapper/1523:05:027
27459919944223,28cyclictest0-21swapper/1121:10:173
27459919944223,28cyclictest0-21swapper/1121:10:173
274594499442441,1cyclictest0-21swapper/020:35:170
27460059944116,28cyclictest0-21swapper/1523:30:387
27459939944118,422cyclictest0-21swapper/1223:39:164
27459799944116,29cyclictest0-21swapper/922:51:3715
27460059944016,30cyclictest0-21swapper/1523:20:587
27460059944014,29cyclictest0-21swapper/1520:04:007
27460059944012,30cyclictest0-21swapper/1522:46:007
274597499440438,1cyclictest2766844-21kworker/8:1+i915-unordered19:30:3914
27459639944015,424cyclictest70-21ksoftirqd/521:39:1611
27460059943914,29cyclictest0-21swapper/1519:52:407
27460059943913,30cyclictest0-21swapper/1522:29:377
27460059943913,30cyclictest0-21swapper/1522:15:397
27459639943913,425cyclictest70-21ksoftirqd/521:43:1611
27459539943818,419cyclictest0-21swapper/219:42:398
27460059943611,29cyclictest0-21swapper/1521:40:007
2745979994359,30cyclictest0-21swapper/923:10:0215
274597199435431,3cyclictest1818-21snmpd20:41:3013
2745944994351,0cyclictest0-21swapper/019:37:170
274600199433433,0cyclictest0-21swapper/1420:41:306
274599399433431,1cyclictest0-21swapper/1219:35:174
2745953994332,30cyclictest0-21swapper/220:54:008
2745944994338,28cyclictest0-21swapper/000:11:380
27459919943226,29cyclictest0-21swapper/1123:52:163
2745979994326,28cyclictest0-21swapper/923:03:3815
274597199432427,4cyclictest1818-21snmpd23:35:4913
2745953994324,30cyclictest0-21swapper/219:40:388
2745979994316,29cyclictest0-21swapper/919:39:3915
2745979994315,29cyclictest0-21swapper/920:25:4015
2745944994319,30cyclictest0-21swapper/022:55:380
2745979994304,424cyclictest0-21swapper/920:18:3915
2745979994303,30cyclictest0-21swapper/919:26:3815
2745979994302,426cyclictest0-21swapper/919:18:3815
2745953994304,418cyclictest0-21swapper/200:21:398
274594499429428,1cyclictest0-21swapper/022:18:170
2745979994282,30cyclictest0-21swapper/919:07:0115
2745979994280,30cyclictest0-21swapper/922:08:3715
274596899428425,2cyclictest1818-21snmpd00:00:2912
2745979994270,425cyclictest0-21swapper/922:43:3815
274597499427426,1cyclictest69750irq/159-i91523:10:1614
2746005994260,30cyclictest0-21swapper/1523:25:027
2745979994250,28cyclictest0-21swapper/919:51:0315
27459559942525,399cyclictest0-21swapper/323:20:389
27459559942525,399cyclictest0-21swapper/321:23:399
27459559942524,400cyclictest0-21swapper/322:52:399
27459799942425,398cyclictest0-21swapper/921:17:3915
2745979994240,29cyclictest0-21swapper/922:03:3715
27459559942426,395cyclictest0-21swapper/320:47:039
27459559942425,398cyclictest0-21swapper/300:32:399
27459559942424,399cyclictest0-21swapper/319:23:409
27459499942425,398cyclictest0-21swapper/121:01:401
27459799942327,395cyclictest0-21swapper/923:17:3815
27459799942326,396cyclictest0-21swapper/921:33:0015
27459799942324,398cyclictest0-21swapper/921:50:3915
27459559942324,398cyclictest0-21swapper/322:00:019
27459559942324,398cyclictest0-21swapper/300:30:389
274594999423421,2cyclictest1818-21snmpd22:26:511
274594499423422,1cyclictest0-21swapper/019:54:170
27459799942225,396cyclictest0-21swapper/920:57:3815
27459799942225,396cyclictest0-21swapper/920:36:0215
27459799942225,396cyclictest0-21swapper/900:04:0215
27459799942224,397cyclictest0-21swapper/922:24:5915
27459799942224,397cyclictest0-21swapper/922:12:5915
27459799942224,397cyclictest0-21swapper/921:15:3815
27459799942224,397cyclictest0-21swapper/921:15:3815
27459689942223,398cyclictest0-21swapper/600:26:3912
27459559942225,396cyclictest0-21swapper/321:53:009
27459559942224,397cyclictest0-21swapper/323:05:399
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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