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2024-11-22 - 09:01
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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
Characteristics of the 50 highest latencies:
System rackdslot4.osadl.org (updated Fri Nov 22, 2024 00:46:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
439921770,7sleep22228199cyclictest23:05:212
124091169147,9phc2sys0-21swapper/319:08:013
2703721620,7sleep12228099cyclictest20:25:281
57298920,15rtkit-daemon0-21swapper/019:08:100
2228299790,28cyclictest31746-21chrt20:35:543
2228099798,12cyclictest31072-21ls22:55:001
22281997663,8cyclictest33-21ksoftirqd/223:50:082
2228099768,12cyclictest28528-21sed00:00:211
2228299740,27cyclictest29460-21taskset00:03:553
2228099727,12cyclictest4257-21ps23:05:201
2228099727,11cyclictest20205-21cat23:40:141
22279997057,8cyclictest9-21ksoftirqd/000:10:180
2228099677,11cyclictest28021-21cstates20:30:131
2228299650,27cyclictest13630-21chrt20:00:003
22281996552,7cyclictest33-21ksoftirqd/222:10:122
2228299640,27cyclictest31376-21chrt19:27:263
22281996351,6cyclictest33-21ksoftirqd/220:50:112
22281996250,7cyclictest33-21ksoftirqd/223:40:122
22281996249,7cyclictest33-21ksoftirqd/223:55:112
2228099626,11cyclictest8148-21/usr/sbin/munin23:15:221
22281996149,7cyclictest33-21ksoftirqd/220:10:142
22281995846,6cyclictest33-21ksoftirqd/222:50:152
22281995846,6cyclictest33-21ksoftirqd/222:40:112
22279995821,4cyclictest9-21ksoftirqd/000:33:190
22281995650,3cyclictest33-21ksoftirqd/221:20:002
22281995646,6cyclictest33-21ksoftirqd/222:15:132
2228099567,8cyclictest2290-21gnome-shell19:19:581
22281995548,4cyclictest33-21ksoftirqd/220:30:002
22281995448,4cyclictest33-21ksoftirqd/219:49:592
22281995442,10cyclictest33-21ksoftirqd/220:55:212
124191540,1ptp4l391rcuc/322:46:573
57298530,2rtkit-daemon0-21swapper/023:07:200
22281995347,4cyclictest33-21ksoftirqd/223:00:002
22281995340,7cyclictest33-21ksoftirqd/222:20:122
22281995247,3cyclictest33-21ksoftirqd/219:40:012
22281995246,3cyclictest33-21ksoftirqd/200:35:002
22281995245,4cyclictest33-21ksoftirqd/222:35:122
22281995245,4cyclictest33-21ksoftirqd/200:05:142
22281995245,4cyclictest33-21ksoftirqd/200:00:122
22279995247,3cyclictest9-21ksoftirqd/022:00:000
22281995145,4cyclictest33-21ksoftirqd/221:59:592
22281995145,3cyclictest33-21ksoftirqd/220:20:002
22281995145,3cyclictest33-21ksoftirqd/200:20:012
22281995141,6cyclictest33-21ksoftirqd/220:45:102
22281995138,8cyclictest33-21ksoftirqd/200:11:292
22281995044,4cyclictest33-21ksoftirqd/222:00:122
22281995044,4cyclictest33-21ksoftirqd/219:20:012
22281995043,4cyclictest33-21ksoftirqd/222:10:002
2228099504,11cyclictest27455-21cstates19:20:131
22279995045,3cyclictest9-21ksoftirqd/022:05:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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