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2026-08-09 - 17:41
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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 100 highest latencies:
System rackdslot3.osadl.org (updated Sun Aug 09, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491230163,23phc2sys0-21swapper/319:09:003
253882205171,22sleep10-21swapper/119:07:061
255992204170,22sleep00-21swapper/019:09:500
252712204171,23sleep20-21swapper/219:05:422
2792521560,7sleep02590399cyclictest23:45:010
25612211365,38sleep20-21swapper/219:09:592
134491740,1getstats6154-1kworker/3:2H23:56:093
40372600,4sleep34039-21processes00:00:253
303492600,6sleep20-21swapper/223:50:122
25906995929,3cyclictest41-21ksoftirqd/323:15:273
25906995723,6cyclictest41-21ksoftirqd/320:10:243
25906995626,3cyclictest41-21ksoftirqd/300:20:273
25906995519,5cyclictest41-21ksoftirqd/321:00:003
139391550,1ptp4l401ktimersoftd/322:20:013
25906995423,8cyclictest41-21ksoftirqd/321:45:233
25906995324,4cyclictest41-21ksoftirqd/322:50:123
25906995324,3cyclictest41-21ksoftirqd/320:00:253
139391530,1ptp4l401ktimersoftd/320:24:243
25906995225,6cyclictest41-21ksoftirqd/319:55:283
25906995220,8cyclictest41-21ksoftirqd/321:10:203
25906995124,3cyclictest41-21ksoftirqd/322:40:243
25906995119,4cyclictest41-21ksoftirqd/319:40:253
25906995116,8cyclictest41-21ksoftirqd/319:30:153
25906995115,10cyclictest41-21ksoftirqd/300:35:533
25906995025,7cyclictest41-21ksoftirqd/323:25:123
25906995021,4cyclictest41-21ksoftirqd/319:25:013
25906995020,8cyclictest41-21ksoftirqd/323:30:243
25906995020,8cyclictest41-21ksoftirqd/322:10:163
25906995020,4cyclictest41-21ksoftirqd/323:00:003
25906995019,8cyclictest41-21ksoftirqd/320:25:143
25906995019,7cyclictest41-21ksoftirqd/321:40:003
25906995019,7cyclictest41-21ksoftirqd/319:25:003
25906995018,4cyclictest41-21ksoftirqd/321:55:293
25906995018,4cyclictest41-21ksoftirqd/319:15:163
25906995016,4cyclictest41-21ksoftirqd/320:45:003
25906995014,8cyclictest41-21ksoftirqd/320:05:193
25906994922,7cyclictest41-21ksoftirqd/323:35:253
25906994921,3cyclictest41-21ksoftirqd/320:15:293
25906994919,4cyclictest41-21ksoftirqd/321:15:263
25906994918,8cyclictest41-21ksoftirqd/320:34:593
25906994918,3cyclictest41-21ksoftirqd/322:05:163
25906994917,4cyclictest41-21ksoftirqd/321:05:133
25906994916,8cyclictest41-21ksoftirqd/321:30:223
25906994916,4cyclictest41-21ksoftirqd/321:40:133
25906994914,4cyclictest41-21ksoftirqd/322:05:013
25906994911,8cyclictest41-21ksoftirqd/319:10:223
25906994819,8cyclictest41-21ksoftirqd/323:50:013
25906994819,4cyclictest41-21ksoftirqd/319:50:213
25906994818,7cyclictest41-21ksoftirqd/321:20:193
25906994817,8cyclictest41-21ksoftirqd/322:25:273
25906994817,4cyclictest41-21ksoftirqd/323:00:263
25906994815,4cyclictest41-21ksoftirqd/320:40:003
25906994716,4cyclictest41-21ksoftirqd/323:25:003
25906994715,4cyclictest41-21ksoftirqd/300:09:583
25906994618,4cyclictest41-21ksoftirqd/322:35:173
25906994618,3cyclictest41-21ksoftirqd/300:30:143
25906994617,3cyclictest41-21ksoftirqd/321:00:153
25906994615,9cyclictest41-21ksoftirqd/323:12:103
25906994614,8cyclictest41-21ksoftirqd/320:50:183
25906994614,8cyclictest41-21ksoftirqd/300:25:163
25906994614,7cyclictest41-21ksoftirqd/323:05:183
2590699458,4cyclictest41-21ksoftirqd/319:45:143
25906994514,8cyclictest41-21ksoftirqd/319:35:263
25906994411,3cyclictest41-21ksoftirqd/322:30:143
2590699431,2cyclictest41-21ksoftirqd/300:10:253
25906994312,4cyclictest41-21ksoftirqd/323:40:133
25906994311,3cyclictest41-21ksoftirqd/323:50:143
2590699428,4cyclictest41-21ksoftirqd/322:15:133
25905994237,3cyclictest207-21systemd-journal00:20:552
2590499421,38cyclictest21594-21sshd20:06:331
25906994112,4cyclictest41-21ksoftirqd/321:50:113
25906994110,4cyclictest41-21ksoftirqd/300:15:293
38742400,6sleep12590499cyclictest20:40:001
2590699406,7cyclictest41-21ksoftirqd/320:45:233
25905994036,2cyclictest33-21ksoftirqd/200:00:002
25906993934,2cyclictest41-21ksoftirqd/322:50:013
25905993834,3cyclictest33-21ksoftirqd/223:45:002
25905993832,4cyclictest33-21ksoftirqd/221:54:592
25905993832,3cyclictest33-21ksoftirqd/220:25:002
25905993826,10cyclictest33-21ksoftirqd/223:00:202
57898370,6rtkit-daemon0-21swapper/122:36:001
25906993732,3cyclictest41-21ksoftirqd/321:25:143
25905993733,3cyclictest33-21ksoftirqd/221:35:012
25905993732,3cyclictest33-21ksoftirqd/219:25:212
25904993730,4cyclictest25-21ksoftirqd/122:20:051
25904993730,4cyclictest25-21ksoftirqd/121:50:091
57898360,4rtkit-daemon9725-21runrttasks21:58:081
25905993633,2cyclictest33-21ksoftirqd/200:10:192
25905993631,3cyclictest33-21ksoftirqd/223:00:012
25905993631,3cyclictest33-21ksoftirqd/219:30:182
25905993630,3cyclictest33-21ksoftirqd/221:05:122
25905993629,4cyclictest33-21ksoftirqd/222:21:272
25905993629,4cyclictest33-21ksoftirqd/219:43:052
25905993625,9cyclictest33-21ksoftirqd/222:30:242
25905993625,9cyclictest33-21ksoftirqd/220:00:182
25905993625,10cyclictest33-21ksoftirqd/223:35:292
25904993630,4cyclictest25-21ksoftirqd/123:17:171
25904993630,4cyclictest25-21ksoftirqd/100:02:071
25904993629,5cyclictest25-21ksoftirqd/100:36:161
57898350,1rtkit-daemon0-21swapper/122:11:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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