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2025-06-17 - 00:02
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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 all highest latencies:
System rack4slot1.osadl.org (updated Mon Jun 16, 2025 08:51:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31104281690,6sleep30-21swapper/307:12:173
31104281690,6sleep30-21swapper/307:12:173
3138524430,1sleep227-21ksoftirqd/207:12:202
3138524430,1sleep227-21ksoftirqd/207:12:202
770321310,2sleep00-21swapper/007:37:060
770321310,2sleep00-21swapper/007:37:060
2708321200,8sleep0121ksoftirqd/008:27:060
2708321200,8sleep0121ksoftirqd/008:27:060
60521160,2sleep10-21swapper/107:17:181
60521160,2sleep10-21swapper/107:17:181
30072930,1sleep012-21ksoftirqd/008:47:210
30072930,1sleep012-21ksoftirqd/008:47:210
25892870,2sleep30-21swapper/307:22:183
289592810,3chrt28621-21/usr/sbin/munin08:32:072
93642650,3sleep00-21swapper/007:42:050
93642650,3sleep00-21swapper/007:42:050
189302390,3sleep00-21swapper/008:07:050
189302390,3sleep00-21swapper/008:07:050
3144799343,26cyclictest24810-21taskset08:21:590
3144799343,26cyclictest24810-21taskset08:21:590
3145099332,25cyclictest24810-21taskset08:21:593
3145099332,25cyclictest24810-21taskset08:21:593
3144799332,21cyclictest38650irq/55-eth007:52:040
3144799332,21cyclictest38650irq/55-eth007:52:040
31447993224,4cyclictest0-21swapper/007:57:010
31447993224,4cyclictest0-21swapper/007:57:010
3144799312,24cyclictest3163-21snmpd07:32:030
31447992912,15cyclictest12-21ksoftirqd/008:02:020
31447992912,15cyclictest12-21ksoftirqd/008:02:020
3144799272,21cyclictest0-21swapper/007:27:030
245182260,3chrt0-21swapper/008:21:520
245182260,3chrt0-21swapper/008:21:520
3144899241,19cyclictest7483-21cut07:37:051
3144899241,19cyclictest7483-21cut07:37:051
3144799247,5cyclictest614-21grep07:17:180
3144799247,5cyclictest614-21grep07:17:180
3144999232,7cyclictest131rcu_preempt08:47:202
3144999232,7cyclictest131rcu_preempt08:47:202
31448992314,7cyclictest23947-21users08:17:171
31448992314,7cyclictest23947-21users08:17:171
31448992314,4cyclictest20969-21/usr/sbin/munin08:12:071
31448992314,4cyclictest20969-21/usr/sbin/munin08:12:071
31447992316,5cyclictest2061-21sed07:22:090
31449992217,3cyclictest0-21swapper/208:42:182
31449992217,3cyclictest0-21swapper/208:42:182
3144999221,18cyclictest22735-21find08:17:012
3144999221,18cyclictest22735-21find08:17:012
3144899221,4cyclictest0-21swapper/108:47:201
3144899221,4cyclictest0-21swapper/108:47:201
31448992211,9cyclictest16747-21latency_hist08:01:511
31448992211,9cyclictest16747-21latency_hist08:01:511
3144799224,15cyclictest30050irq/49-vc409:15:180
3144799224,15cyclictest30050irq/49-vc409:15:180
3144799222,7cyclictest1999-21apt-get08:46:590
3144799222,7cyclictest1999-21apt-get08:46:590
3144899216,10cyclictest29173-21ls08:32:091
3144899211,16cyclictest16966-21apt-get08:02:021
3144899211,16cyclictest16966-21apt-get08:02:021
3144799211,18cyclictest30361-21cat08:36:540
307302213,12sleep029895-21ls07:12:100
307302213,12sleep029895-21ls07:12:100
31449992014,4cyclictest73-21kswapd008:07:032
31449992014,4cyclictest73-21kswapd008:07:032
3144999200,3cyclictest73-21kswapd007:42:162
3144999200,3cyclictest73-21kswapd007:42:162
3144899209,9cyclictest32432-21/usr/sbin/munin08:42:171
3144899209,9cyclictest32432-21/usr/sbin/munin08:42:171
3144899209,9cyclictest11220-21df07:47:051
3144899209,9cyclictest11220-21df07:47:051
3144799203,2cyclictest131rcu_preempt08:12:070
3144799203,2cyclictest131rcu_preempt08:12:070
312832203,11sleep129895-21ls07:12:201
312832203,11sleep129895-21ls07:12:201
3145099192,12cyclictest0-21swapper/307:57:033
3145099192,12cyclictest0-21swapper/307:57:033
3145099192,11cyclictest0-21swapper/308:12:063
3145099192,11cyclictest0-21swapper/308:12:063
3145099192,11cyclictest0-21swapper/307:52:053
3145099192,11cyclictest0-21swapper/307:52:053
3145099191,14cyclictest0-21swapper/307:37:153
3145099191,14cyclictest0-21swapper/307:37:153
3145099191,14cyclictest0-21swapper/307:17:063
3145099191,14cyclictest0-21swapper/307:17:063
3145099191,11cyclictest0-21swapper/308:37:053
3145099191,11cyclictest0-21swapper/308:37:053
3144999192,13cyclictest32106-21apt-get07:17:042
3144999192,13cyclictest32106-21apt-get07:17:042
31449991914,3cyclictest31599-21sed08:37:202
31449991914,3cyclictest31599-21sed08:37:202
3144899192,14cyclictest1588-21apt-get07:22:041
3144899191,3cyclictest0-21swapper/107:42:171
3144899191,3cyclictest0-21swapper/107:42:171
3144899191,16cyclictest3163-21snmpd07:32:031
31448991911,6cyclictest31190-21open_files08:37:141
31448991911,6cyclictest31190-21open_files08:37:141
3144799194,13cyclictest31482-21runrttasks08:37:190
3144799194,13cyclictest31482-21runrttasks08:37:190
252332190,2sleep10-21swapper/108:22:091
252332190,2sleep10-21swapper/108:22:091
3145099182,13cyclictest0-21swapper/307:47:093
3145099182,13cyclictest0-21swapper/307:47:093
3145099182,11cyclictest0-21swapper/307:42:033
3145099182,11cyclictest0-21swapper/307:42:033
3145099182,11cyclictest0-21swapper/307:27:043
3145099181,13cyclictest0-21swapper/307:36:523
3144999188,8cyclictest18247-21users08:02:222
3144999188,8cyclictest18247-21users08:02:222
3144999182,3cyclictest131rcu_preempt07:52:172
3144999182,3cyclictest131rcu_preempt07:52:172
3144999181,14cyclictest4456-21find07:27:162
31449991810,6cyclictest27-21ksoftirqd/208:21:592
31449991810,6cyclictest27-21ksoftirqd/208:21:592
31448991812,4cyclictest197022sleep108:07:141
31448991812,4cyclictest197022sleep108:07:141
31448991811,5cyclictest0-21swapper/108:31:541
31448991811,5cyclictest0-21swapper/108:31:541
3145099171,13cyclictest0-21swapper/308:02:043
3145099171,13cyclictest0-21swapper/308:02:043
3144999178,7cyclictest27-21ksoftirqd/207:47:042
3144999178,7cyclictest27-21ksoftirqd/207:47:042
3144999172,11cyclictest0-21swapper/208:27:032
3144999172,11cyclictest0-21swapper/208:27:032
31449991711,4cyclictest2597-21cat07:22:182
3144999171,13cyclictest15868-21awk07:57:132
3144999171,13cyclictest15868-21awk07:57:132
3144999170,16cyclictest7596-21ls07:37:052
3144999170,16cyclictest7596-21ls07:37:052
3145099162,10cyclictest0-21swapper/308:47:083
3145099162,10cyclictest0-21swapper/308:47:083
3145099162,10cyclictest0-21swapper/308:46:593
3145099162,10cyclictest0-21swapper/308:17:033
3145099162,10cyclictest0-21swapper/308:17:033
3144999164,10cyclictest0-21swapper/208:12:042
3144999164,10cyclictest0-21swapper/208:12:042
3144999160,14cyclictest5911-21ls07:32:092
3144899162,11cyclictest3517-21apt-get07:27:021
3144899161,13cyclictest14070-21find07:52:171
3144899161,13cyclictest14070-21find07:52:171
13862151,3sleep30-21swapper/308:43:543
3145099143,8cyclictest0-21swapper/308:32:023
3145099138,3cyclictest282792chrt08:30:513
3145099138,3cyclictest282792chrt08:30:513
3145099131,8cyclictest0-21swapper/308:07:053
3145099131,8cyclictest0-21swapper/308:07:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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