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2025-12-23 - 19:00
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Tue Dec 23, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
714721260,2sleep30-21swapper/308:16:193
1068911060,3ptp4l401ktimersoftd/307:13:403
9316997765,6cyclictest41-21ksoftirqd/308:56:183
9316995947,6cyclictest41-21ksoftirqd/308:01:153
9316995947,6cyclictest41-21ksoftirqd/308:01:153
9316995945,7cyclictest41-21ksoftirqd/310:51:183
24562590,2sleep00-21swapper/010:21:250
227562590,1sleep30-21swapper/312:11:273
9316995845,7cyclictest41-21ksoftirqd/310:01:203
9316995845,7cyclictest41-21ksoftirqd/310:01:203
9316995745,6cyclictest41-21ksoftirqd/309:46:163
9316995644,6cyclictest41-21ksoftirqd/312:06:213
9316995443,6cyclictest41-21ksoftirqd/309:54:583
9316995441,6cyclictest41-21ksoftirqd/312:26:193
9316995441,5cyclictest41-21ksoftirqd/311:21:193
9316995140,5cyclictest41-21ksoftirqd/308:21:153
9316995039,5cyclictest41-21ksoftirqd/312:21:213
9316994937,6cyclictest41-21ksoftirqd/310:06:183
929799490,13cyclictest30189-21awk11:21:070
219162490,1sleep10-21swapper/112:11:091
9316994835,6cyclictest41-21ksoftirqd/310:31:203
106891480,1ptp4l401ktimersoftd/310:29:473
929799475,8cyclictest25127-21gltestperf07:46:180
95172460,2sleep20-21swapper/207:16:162
106891460,0ptp4l401ktimersoftd/308:29:123
9316994434,4cyclictest41-21ksoftirqd/310:11:183
106891440,1ptp4l401ktimersoftd/307:58:573
9316994334,4cyclictest41-21ksoftirqd/311:56:223
9316994334,4cyclictest41-21ksoftirqd/311:56:223
9316994332,4cyclictest41-21ksoftirqd/310:36:173
929799438,7cyclictest19755-21cpuspeed_turbos12:06:230
106891430,2ptp4l3999-21kworker/3:008:09:153
106891430,2ptp4l3999-21kworker/3:008:09:153
929799403,6cyclictest15251-21fschecks_time11:56:250
929799403,6cyclictest15251-21fschecks_time11:56:250
9316993927,7cyclictest41-21ksoftirqd/308:46:163
930999390,16cyclictest6494-21/usr/sbin/munin11:36:302
929799396,6cyclictest10347-21grep09:31:200
929799393,5cyclictest9-21ksoftirqd/010:31:140
929799384,5cyclictest9-21ksoftirqd/009:51:250
106891380,1ptp4l401ktimersoftd/311:41:363
9309993721,13cyclictest33-21ksoftirqd/211:36:062
9309993720,14cyclictest33-21ksoftirqd/211:04:222
9309993719,15cyclictest33-21ksoftirqd/210:37:212
106891370,1ptp4l401ktimersoftd/312:41:403
9316993631,3cyclictest41-21ksoftirqd/311:31:083
9316993629,4cyclictest41-21ksoftirqd/311:11:233
9316993625,9cyclictest41-21ksoftirqd/309:16:213
931699361,3cyclictest121rcu_preempt11:51:373
931699361,3cyclictest121rcu_preempt11:51:373
9309993619,14cyclictest33-21ksoftirqd/208:31:472
9309993618,15cyclictest33-21ksoftirqd/208:02:292
9309993618,15cyclictest33-21ksoftirqd/208:02:292
9309993612,3cyclictest21524-21sshd07:36:332
9301993629,4cyclictest25-21ksoftirqd/110:31:071
929799363,5cyclictest9-21ksoftirqd/010:36:260
106891360,1ptp4l401ktimersoftd/309:11:073
930999358,5cyclictest7582-21sendmail09:26:052
930999351,4cyclictest2317-21irqrtprio12:36:292
9309993512,3cyclictest27349-21cat10:06:192
82312357,13sleep20-21swapper/207:11:252
106891350,1ptp4l401ktimersoftd/308:36:303
9316993429,3cyclictest41-21ksoftirqd/309:46:053
9316993428,3cyclictest41-21ksoftirqd/309:36:373
931699342,29cyclictest1055-21runrttasks07:48:543
9316993420,11cyclictest41-21ksoftirqd/309:06:353
9316993420,10cyclictest41-21ksoftirqd/311:36:203
9309993414,3cyclictest27751-21missed_timers12:21:302
9309993413,3cyclictest26312-21awk07:46:322
9309993411,4cyclictest29820-21expr07:56:152
9309993411,4cyclictest12519-21bc11:51:202
9309993411,4cyclictest12519-21bc11:51:202
9309993411,3cyclictest9583-21seq11:43:022
930999340,6cyclictest12499-21/usr/sbin/munin07:21:282
106891340,1ptp4l3999-21kworker/3:009:02:033
931699333,3cyclictest121rcu_preempt11:06:273
9316993327,3cyclictest41-21ksoftirqd/307:51:203
9316993327,3cyclictest41-21ksoftirqd/307:31:033
930999333,10cyclictest29128-21apt-get12:26:212
9309993312,3cyclictest1055-21runrttasks12:34:532
9301993328,3cyclictest25-21ksoftirqd/108:36:171
9301993327,3cyclictest25-21ksoftirqd/107:46:021
188552330,2sleep00-21swapper/008:41:050
106891330,1ptp4l401ktimersoftd/312:40:303
106891330,0ptp4l401ktimersoftd/307:36:153
9316993227,3cyclictest41-21ksoftirqd/311:36:083
9316993227,3cyclictest41-21ksoftirqd/311:21:083
9316993227,3cyclictest41-21ksoftirqd/309:26:223
9316993226,4cyclictest41-21ksoftirqd/308:31:243
9316993226,3cyclictest41-21ksoftirqd/310:21:203
9316993226,3cyclictest41-21ksoftirqd/307:21:033
931699321,3cyclictest121rcu_preempt07:31:043
9309993215,3cyclictest33-21ksoftirqd/209:57:182
9309993214,3cyclictest2106-21sensors_temp09:11:292
9309993212,4cyclictest22780-21timedrift08:46:332
9301993227,3cyclictest25-21ksoftirqd/108:36:041
9301993226,3cyclictest25-21ksoftirqd/107:51:031
9301993225,3cyclictest25-21ksoftirqd/112:26:091
929799326,6cyclictest9-21ksoftirqd/008:21:230
929799325,7cyclictest9-21ksoftirqd/012:11:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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