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2026-05-10 - 18:06
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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 May 10, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207173,23phc2sys0-21swapper/307:06:273
70912204172,22sleep20-21swapper/207:07:492
70582202169,22sleep10-21swapper/107:07:241
69202202169,22sleep00-21swapper/007:05:340
347321580,7sleep3756299cyclictest09:15:193
139391670,1ptp4l401ktimersoftd/308:45:173
7560995825,9cyclictest25-21ksoftirqd/108:50:171
7560995622,9cyclictest25-21ksoftirqd/107:30:131
7560995552,1cyclictest231rcuc/109:06:511
7560995421,7cyclictest25-21ksoftirqd/107:28:011
756099541,5cyclictest1115-21grep08:05:001
7560995321,9cyclictest25-21ksoftirqd/110:31:101
7560995249,2cyclictest231rcuc/110:46:081
7560995248,2cyclictest231rcuc/107:48:491
756099523,6cyclictest241ktimersoftd/107:20:001
756099522,5cyclictest241ktimersoftd/107:40:001
756099515,9cyclictest25-21ksoftirqd/112:10:201
7561995012,5cyclictest33-21ksoftirqd/209:20:012
756099503,5cyclictest241ktimersoftd/108:55:201
756099502,6cyclictest241ktimersoftd/108:20:001
7559995018,4cyclictest9-21ksoftirqd/012:15:140
756099496,8cyclictest25-21ksoftirqd/107:55:261
756099493,6cyclictest25-21ksoftirqd/112:35:231
756099493,6cyclictest25-21ksoftirqd/110:20:241
756099492,6cyclictest25-21ksoftirqd/110:10:241
756099490,46cyclictest241ktimersoftd/111:45:001
189852490,1sleep00-21swapper/010:55:210
756099485,9cyclictest25-21ksoftirqd/110:15:131
756099483,6cyclictest25-21ksoftirqd/111:20:141
756099482,11cyclictest25-21ksoftirqd/112:25:201
756099482,11cyclictest25-21ksoftirqd/112:25:191
756099481,6cyclictest241ktimersoftd/111:10:251
756099480,7cyclictest241ktimersoftd/108:25:261
756099480,7cyclictest15520-21apt-key08:35:001
756099480,6cyclictest29460-21tail09:00:281
7561994729,8cyclictest33-21ksoftirqd/212:05:232
756199472,4cyclictest33-21ksoftirqd/208:47:162
756099475,8cyclictest25-21ksoftirqd/112:05:201
756099474,7cyclictest25-21ksoftirqd/109:35:271
756099474,6cyclictest25-21ksoftirqd/110:40:011
756099474,6cyclictest241ktimersoftd/108:25:011
756099473,6cyclictest25-21ksoftirqd/110:55:281
756099473,6cyclictest241ktimersoftd/112:00:121
756099473,5cyclictest25-21ksoftirqd/110:05:221
756099473,5cyclictest241ktimersoftd/110:25:271
756099472,7cyclictest241ktimersoftd/112:15:241
756099472,5cyclictest25-21ksoftirqd/109:15:231
756099472,5cyclictest241ktimersoftd/107:50:191
7559994716,4cyclictest9-21ksoftirqd/008:25:220
756099465,9cyclictest25-21ksoftirqd/109:22:221
756099464,7cyclictest25-21ksoftirqd/111:35:221
756099463,5cyclictest25-21ksoftirqd/108:40:221
756099463,5cyclictest241ktimersoftd/109:40:181
756099462,6cyclictest241ktimersoftd/109:25:241
756099461,7cyclictest241ktimersoftd/107:20:121
756099460,5cyclictest241ktimersoftd/110:40:161
756099460,5cyclictest241ktimersoftd/107:10:241
7559994613,7cyclictest9-21ksoftirqd/009:45:000
756199452,40cyclictest12422-21cron11:50:002
756199452,40cyclictest12422-21cron11:50:002
7561994515,4cyclictest33-21ksoftirqd/209:50:212
756099455,7cyclictest25-21ksoftirqd/112:30:141
756099453,5cyclictest25-21ksoftirqd/112:20:101
756099453,5cyclictest25-21ksoftirqd/109:10:221
756099452,8cyclictest25-21ksoftirqd/111:15:191
756099452,7cyclictest25-21ksoftirqd/107:43:131
756099452,7cyclictest241ktimersoftd/111:50:131
756099452,5cyclictest25-21ksoftirqd/109:34:041
756099452,5cyclictest0-21swapper/108:45:271
756099452,40cyclictest5033-21cron11:35:001
756099450,7cyclictest25-21ksoftirqd/108:38:041
756099450,5cyclictest241ktimersoftd/111:55:191
7561994425,9cyclictest33-21ksoftirqd/208:40:142
7561994411,6cyclictest33-21ksoftirqd/208:15:142
756099443,8cyclictest25-21ksoftirqd/109:50:191
756099443,7cyclictest25-21ksoftirqd/111:00:211
7559994413,4cyclictest9-21ksoftirqd/009:55:280
7559994412,3cyclictest9-21ksoftirqd/009:00:270
755999440,2cyclictest121rcu_preempt09:20:000
139391440,0ptp4l401ktimersoftd/308:35:233
7562994337,3cyclictest1086-21cron08:05:003
7561994329,5cyclictest33-21ksoftirqd/211:50:172
7561994312,4cyclictest33-21ksoftirqd/212:25:002
756199430,3cyclictest121rcu_preempt08:10:142
756099432,6cyclictest25-21ksoftirqd/109:55:021
756099431,7cyclictest25-21ksoftirqd/111:09:591
756099430,6cyclictest241ktimersoftd/109:45:201
756099430,5cyclictest241ktimersoftd/111:25:251
756099430,40cyclictest1621-21expr08:05:131
7559994315,6cyclictest9-21ksoftirqd/007:25:020
7559994313,8cyclictest9-21ksoftirqd/009:55:010
7559994313,4cyclictest9-21ksoftirqd/008:50:240
7559994313,4cyclictest9-21ksoftirqd/007:15:130
7559994311,7cyclictest9-21ksoftirqd/008:10:160
1394914333,3phc2sys0-21swapper/307:10:003
139391430,0ptp4l401ktimersoftd/310:45:183
139391430,0ptp4l401ktimersoftd/310:28:333
7561994230,3cyclictest33-21ksoftirqd/211:30:282
7561994224,5cyclictest33-21ksoftirqd/208:30:142
7561994222,10cyclictest33-21ksoftirqd/210:25:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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