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2026-06-30 - 13:57
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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 rackcslot8.osadl.org (updated Tue Jun 30, 2026 00:49:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
725899283153,1cyclictest151rcu_preempt22:34:438
3273912590,251ptp4l0-21swapper/119:07:551
3273912590,251ptp4l0-21swapper/119:07:541
71719925250,197cyclictest151rcu_preempt21:45:110
20752250240,7sleep230-21swapper/2319:05:1216
20752250240,7sleep230-21swapper/2319:05:1216
330891178170,6phc2sys0-21swapper/219:07:1712
330891178170,6phc2sys0-21swapper/219:07:1712
72259915874,83cyclictest76-21ksoftirqd/1022:23:372
7315991532,113cyclictest0-21swapper/2823:28:1821
7315991522,149cyclictest0-21swapper/2823:35:1421
7315991522,141cyclictest0-21swapper/2822:45:0121
7315991522,123cyclictest0-21swapper/2821:22:4021
7315991522,112cyclictest0-21swapper/2822:27:3921
7315991512,106cyclictest0-21swapper/2822:35:2421
7278991509,85cyclictest0-21swapper/2122:08:1214
7315991482,141cyclictest0-21swapper/2800:25:0121
7315991482,141cyclictest0-21swapper/2800:25:0021
717199147136,10cyclictest0-21swapper/022:21:330
7271991460,84cyclictest0-21swapper/1922:55:1111
7315991452,105cyclictest0-21swapper/2821:29:4421
7315991442,114cyclictest0-21swapper/2821:15:5921
7271991440,85cyclictest0-21swapper/1900:38:5311
7271991440,85cyclictest0-21swapper/1900:38:5311
7315991422,100cyclictest0-21swapper/2821:41:5521
7271991410,78cyclictest0-21swapper/1921:10:2711
72719913953,57cyclictest0-21swapper/1923:22:5911
72719913953,57cyclictest0-21swapper/1923:22:5911
72719913928,67cyclictest0-21swapper/1923:49:4311
72719913928,67cyclictest0-21swapper/1923:49:4211
7271991390,80cyclictest0-21swapper/1920:30:2111
7271991390,80cyclictest0-21swapper/1900:28:1111
7271991390,80cyclictest0-21swapper/1900:28:1111
7298991380,75cyclictest0-21swapper/2621:30:5219
7271991380,78cyclictest0-21swapper/1900:16:2611
7271991380,78cyclictest0-21swapper/1900:16:2611
7309991370,84cyclictest0-21swapper/2723:55:1220
7309991370,84cyclictest0-21swapper/2723:55:1120
72719913743,61cyclictest0-21swapper/1900:30:2111
72719913743,61cyclictest0-21swapper/1900:30:2111
72719913727,65cyclictest0-21swapper/1921:09:5411
72589913742,40cyclictest151rcu_preempt22:15:238
7315991362,96cyclictest0-21swapper/2822:54:3621
7315991362,100cyclictest0-21swapper/2800:12:3821
7315991362,100cyclictest0-21swapper/2800:12:3721
72719913663,63cyclictest0-21swapper/1922:05:2111
72719913647,55cyclictest0-21swapper/1921:40:5511
72719913628,64cyclictest0-21swapper/1900:00:2511
72719913628,64cyclictest0-21swapper/1900:00:2411
7309991356,76cyclictest0-21swapper/2722:51:0320
72719913556,64cyclictest0-21swapper/1923:32:0511
72719913556,64cyclictest0-21swapper/1923:32:0411
72719913464,63cyclictest0-21swapper/1922:22:3511
72719913431,63cyclictest0-21swapper/1921:38:1311
72719913428,61cyclictest0-21swapper/1921:00:1711
72719913418,72cyclictest0-21swapper/1922:12:5911
7271991330,77cyclictest0-21swapper/1922:49:5211
7315991322,98cyclictest0-21swapper/2800:25:1221
7315991322,98cyclictest0-21swapper/2800:25:1121
72719913232,65cyclictest0-21swapper/1921:30:1211
72719913226,64cyclictest0-21swapper/1922:03:5311
72719913157,64cyclictest0-21swapper/1919:25:1111
72719913131,68cyclictest0-21swapper/1921:15:1411
72719913130,65cyclictest0-21swapper/1923:57:4411
72719913130,65cyclictest0-21swapper/1923:57:4311
72719913128,64cyclictest0-21swapper/1921:23:4711
72719913126,64cyclictest0-21swapper/1919:48:4011
72719913030,63cyclictest0-21swapper/1923:05:2211
72719912931,58cyclictest0-21swapper/1919:44:2411
7298991287,75cyclictest0-21swapper/2620:25:0819
7271991280,75cyclictest0-21swapper/1921:25:2511
72989912735,45cyclictest0-21swapper/2622:20:4019
72989912622,84cyclictest0-21swapper/2600:32:5219
72989912622,84cyclictest0-21swapper/2600:32:5119
72719912650,57cyclictest0-21swapper/1923:37:5811
72719912646,51cyclictest0-21swapper/1921:56:5611
7271991250,74cyclictest0-21swapper/1922:39:2411
7175991254,85cyclictest151rcu_preempt21:33:391
72719912424,58cyclictest0-21swapper/1923:04:4911
71759912415,97cyclictest0-21swapper/122:13:121
7315991232,92cyclictest0-21swapper/2823:03:4221
7271991231,72cyclictest0-21swapper/1922:40:1311
72719912245,47cyclictest0-21swapper/1923:27:1711
72719912128,57cyclictest0-21swapper/1919:20:2211
7315991192,87cyclictest0-21swapper/2822:21:2821
73159911917,67cyclictest0-21swapper/2823:59:5121
73159911917,67cyclictest0-21swapper/2823:59:5121
72719911933,51cyclictest0-21swapper/1923:41:1011
72719911933,51cyclictest0-21swapper/1923:41:0911
72719911923,58cyclictest0-21swapper/1900:13:4711
72719911923,58cyclictest0-21swapper/1900:13:4611
72589911928,41cyclictest0-21swapper/1621:06:078
7315991182,114cyclictest0-21swapper/2820:45:2221
72719911825,58cyclictest0-21swapper/1923:12:1911
71759911823,88cyclictest0-21swapper/122:52:131
71759911822,94cyclictest0-21swapper/100:27:221
71759911822,94cyclictest0-21swapper/100:27:221
71759911822,75cyclictest0-21swapper/121:17:371
71759911821,96cyclictest0-21swapper/122:07:031
72989911747,54cyclictest0-21swapper/2623:14:4019
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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