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2026-06-16 - 18:57
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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
Characteristics of the 100 highest latencies:
System rackdslot3.osadl.org (updated Tue Jun 16, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207173,22phc2sys0-21swapper/307:08:463
307572205172,22sleep10-21swapper/107:07:461
305882205171,23sleep20-21swapper/207:05:352
307042200168,22sleep00-21swapper/007:07:050
138121690,5sleep33122999cyclictest10:35:203
1246421630,3sleep33122999cyclictest09:50:233
57898910,70rtkit-daemon0-21swapper/207:10:012
1394918263,10phc2sys0-21swapper/307:10:003
31229997011,12cyclictest15126-21sed11:05:013
3122999659,16cyclictest12135-21/usr/sbin/munin07:35:233
31229996310,12cyclictest16638-21fschecks_count12:15:163
3122999629,16cyclictest24223-21sshd11:20:293
3122999618,11cyclictest5572-21phc2sys11:50:233
31229996110,10cyclictest28792-21expr11:30:253
27972610,2sleep10-21swapper/110:40:121
3122999609,12cyclictest15062-21sshd07:40:283
31229996010,10cyclictest6312-21cut09:40:003
31229995911,10cyclictest25654-21cstates10:20:143
3122999589,12cyclictest18141-21fschecks_time11:10:143
3122999588,11cyclictest15291-21irqrtprio08:50:203
31229995611,9cyclictest13833-21df_abs09:55:143
45722550,5sleep24573-21irqrtprio07:20:192
3122999552,10cyclictest7145-21cron08:35:003
3122999540,10cyclictest0-21swapper/311:40:153
136212540,2sleep3401ktimersoftd/308:45:253
3122999539,15cyclictest23397-21/usr/sbin/munin12:30:163
3122999538,17cyclictest19368-21irqrtprio12:20:173
31229995312,9cyclictest29114-21df_abs09:20:173
31229995210,9cyclictest1701-21df_abs09:30:133
3122999518,14cyclictest1876-21ps07:15:163
3122999518,10cyclictest21665-21date11:15:263
3122999517,10cyclictest19475-21cstates09:00:133
3122999510,10cyclictest21487-21fschecks_count12:25:173
3122899493,42cyclictest207-21systemd-journal08:25:002
31229994639,4cyclictest2151-21cron08:25:003
31228994530,12cyclictest33-21ksoftirqd/207:35:002
3122999438,8cyclictest26434-21ps12:35:213
31229994337,3cyclictest6444-21fschecks_count07:25:173
31229994337,3cyclictest11087-21anacron12:03:033
139391430,0ptp4l401ktimersoftd/307:50:253
31229994214,11cyclictest17233-21awk07:45:233
3122999421,10cyclictest24209-21ptp4l08:00:233
139391420,0ptp4l401ktimersoftd/312:08:123
139391420,0ptp4l401ktimersoftd/310:11:293
31228994130,10cyclictest33-21ksoftirqd/209:50:272
31226994134,5cyclictest9-21ksoftirqd/008:20:000
139391410,0ptp4l401ktimersoftd/308:40:323
3122999408,8cyclictest25689-21fschecks_count08:05:163
3122899406,3cyclictest33-21ksoftirqd/207:20:012
31228994035,3cyclictest33-21ksoftirqd/208:00:002
31229993931,4cyclictest41-21ksoftirqd/310:50:133
31228993935,2cyclictest33-21ksoftirqd/209:05:002
31228993934,3cyclictest33-21ksoftirqd/210:45:012
31228993934,3cyclictest33-21ksoftirqd/210:25:002
31228993934,3cyclictest33-21ksoftirqd/209:25:002
31228993934,2cyclictest33-21ksoftirqd/210:55:002
139391390,2ptp4l391rcuc/310:40:193
3122999386,8cyclictest0-21swapper/308:35:113
31229993832,3cyclictest5792-21sh07:25:003
3122999380,10cyclictest7285-21irqrtprio09:40:193
31228993834,2cyclictest33-21ksoftirqd/208:15:002
31228993833,3cyclictest33-21ksoftirqd/212:20:182
31228993833,3cyclictest33-21ksoftirqd/211:50:002
31228993832,3cyclictest33-21ksoftirqd/210:35:182
31228993832,3cyclictest33-21ksoftirqd/210:25:272
31228993832,3cyclictest33-21ksoftirqd/210:25:272
31228993831,4cyclictest25038-21cron08:05:002
31227993832,3cyclictest25-21ksoftirqd/111:10:171
31226993833,3cyclictest9-21ksoftirqd/011:55:000
3122899375,3cyclictest33-21ksoftirqd/208:50:002
31228993733,3cyclictest33-21ksoftirqd/210:50:002
31228993733,2cyclictest33-21ksoftirqd/209:30:002
31228993732,3cyclictest33-21ksoftirqd/209:15:252
31228993732,3cyclictest33-21ksoftirqd/208:10:002
31228993732,2cyclictest33-21ksoftirqd/210:15:002
31228993732,2cyclictest33-21ksoftirqd/207:40:262
31228993725,10cyclictest33-21ksoftirqd/209:40:242
31227993731,4cyclictest25-21ksoftirqd/111:53:251
31227993731,4cyclictest25-21ksoftirqd/111:41:171
31226993732,3cyclictest9-21ksoftirqd/009:40:000
31229993631,3cyclictest41-21ksoftirqd/311:10:003
31229993611,11cyclictest691-21grep09:25:273
31229993611,11cyclictest10543-21chrt09:45:423
3122899367,3cyclictest33-21ksoftirqd/208:50:272
31228993632,3cyclictest33-21ksoftirqd/211:40:202
31228993632,3cyclictest33-21ksoftirqd/210:15:172
31228993632,2cyclictest35892irq/126-enp1s0-07:50:152
31228993632,2cyclictest33-21ksoftirqd/211:35:182
31228993632,2cyclictest33-21ksoftirqd/207:25:142
31228993631,3cyclictest33-21ksoftirqd/212:25:202
31228993631,3cyclictest33-21ksoftirqd/207:50:002
31228993630,4cyclictest33-21ksoftirqd/211:25:382
31228993630,4cyclictest33-21ksoftirqd/208:17:392
31228993630,3cyclictest33-21ksoftirqd/211:59:592
31227993630,4cyclictest25-21ksoftirqd/111:03:421
31227993630,4cyclictest25-21ksoftirqd/109:53:421
31226993629,4cyclictest9-21ksoftirqd/007:55:040
3122999358,15cyclictest15875-21/usr/sbin/munin10:00:143
31229993529,4cyclictest41-21ksoftirqd/311:56:403
3122899356,3cyclictest33-21ksoftirqd/209:35:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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