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2026-08-21 - 10:40
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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 Fri Aug 21, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911160,8ptp4l17552-21kworker/3:121:26:483
295292800,4sleep1241ktimersoftd/100:16:341
295292800,4sleep1241ktimersoftd/100:16:341
2077099682,26cyclictest17833-21apt-get02:49:250
2077099661,28cyclictest14343-21fschecks_time00:34:240
2077099661,26cyclictest3981-21sed21:59:200
2077099650,27cyclictest31688-21fschecks_count01:24:250
2077099640,27cyclictest10505-21unixbench_multi01:34:410
204592644,10sleep00-21swapper/021:26:220
2077099631,27cyclictest3777-21acpi01:29:210
2077099631,26cyclictest19779-21tune2fs23:34:240
2077099630,28cyclictest22819-21tune2fs22:39:210
2077099630,27cyclictest12219-21fschecks_time23:59:240
2077099630,26cyclictest26279-21cat00:14:090
2077099630,26cyclictest10045-21fschecks_time23:19:230
214192620,2sleep30-21swapper/302:19:303
20770996211,28cyclictest6587-21sed23:09:350
2077099611,29cyclictest29816-21taskset01:54:360
2077099611,27cyclictest3080-21sed00:54:380
2077099611,26cyclictest1682-21cp23:49:080
2077099611,25cyclictest0-21swapper/002:49:130
2077099610,27cyclictest4024-21chrt00:24:120
2077099610,27cyclictest25607-21sed22:44:240
2077099610,27cyclictest15687-21grep22:24:220
2077099610,27cyclictest15687-21grep22:24:220
2077099610,26cyclictest32645-21cstates22:59:210
2077099610,26cyclictest22348-21sed22:39:070
2077099610,26cyclictest21780-21sed02:19:310
2077099610,26cyclictest18281-21latency_hist01:44:100
231132600,3sleep10-21swapper/123:37:441
2077099602,29cyclictest11601-21irqstats02:09:330
2077099601,31cyclictest805-21awk00:19:390
2077099601,26cyclictest24542-21hddtemp_smartct21:34:220
2077099600,34cyclictest30323-21timerwakeupswit21:44:340
2077099600,27cyclictest7055-21irqrtprio00:59:280
2077099600,27cyclictest3853-21cut02:34:320
2077099600,27cyclictest10825-21cstates22:14:190
2077099600,26cyclictest14787-21df23:29:210
2077099600,26cyclictest12159-21expr23:24:210
2077099600,26cyclictest10453-21sed02:09:110
2077099600,25cyclictest4748-21sed23:09:070
2077099600,25cyclictest31399-21cstates21:49:170
2077099600,24cyclictest26013-21latency_hist01:19:100
2077099590,26cyclictest30854-21cstates02:29:250
2077099590,26cyclictest27103-21irqrtprio21:39:220
2077099590,26cyclictest26615-21sort00:14:210
2077099590,26cyclictest26615-21sort00:14:210
2077099590,26cyclictest26043-21timerwakeupswit23:39:370
2077099581,25cyclictest12503-21latency01:04:310
2077099580,25cyclictest30016-21cstates22:54:200
2077099580,25cyclictest26348-21/usr/sbin/munin01:19:240
2077099580,25cyclictest25792-21cstates02:24:270
2077099580,25cyclictest20473-21cat02:19:120
2077099580,25cyclictest18761-21sed22:29:260
2077099580,25cyclictest18761-21sed22:29:260
2077099580,25cyclictest14113-21diskmemload00:39:380
2077099580,25cyclictest14113-21diskmemload00:33:340
2077099580,25cyclictest1341-21cstates21:54:160
2077099571,27cyclictest8165-21/usr/sbin/munin22:09:260
2077099570,26cyclictest29550-21sed22:54:070
2077099570,25cyclictest13584-21if_ens322:19:240
316402560,2sleep30-21swapper/301:24:253
2077099560,26cyclictest17333-21if_enp1s0.100:04:260
2077099560,25cyclictest27501-21ssh01:53:240
2077099560,25cyclictest21011-21acpi21:29:150
2077099550,23cyclictest0-21swapper/001:09:250
2077099540,28cyclictest11472-21cut23:59:080
2077099540,23cyclictest14113-21diskmemload02:55:440
2077799535,3cyclictest121rcu_preempt01:19:411
20777995315,5cyclictest25-21ksoftirqd/101:34:101
2077099531,25cyclictest18550-21ssh01:44:220
2077099530,25cyclictest8477-21processes23:14:280
65022520,2sleep20-21swapper/200:25:262
2077799521,9cyclictest21346-21apt-get01:14:151
2077099520,25cyclictest7482-21sed22:04:340
2077099520,22cyclictest16909-1kworker/u9:200:50:160
2077799513,8cyclictest25-21ksoftirqd/121:29:051
20777995124,8cyclictest25-21ksoftirqd/100:39:091
243052500,2sleep024306-21expr00:44:230
2077799495,35cyclictest121rcu_preempt02:01:041
2077799495,35cyclictest121rcu_preempt02:01:041
20777994722,4cyclictest25-21ksoftirqd/101:14:111
2077099471,25cyclictest14113-21diskmemload02:39:400
205132474,29sleep20-21swapper/221:27:052
20777994636,3cyclictest25-21ksoftirqd/123:49:081
20777994536,5cyclictest25-21ksoftirqd/121:29:161
20777994520,4cyclictest25-21ksoftirqd/122:04:051
2077799445,11cyclictest121rcu_preempt22:59:111
20777994423,7cyclictest25-21ksoftirqd/100:59:311
20777994422,7cyclictest25-21ksoftirqd/123:54:391
20777994420,4cyclictest25-21ksoftirqd/123:24:271
20777994420,4cyclictest25-21ksoftirqd/122:09:241
20777994420,4cyclictest25-21ksoftirqd/100:49:321
20777994413,8cyclictest25-21ksoftirqd/102:29:121
20777994336,4cyclictest25-21ksoftirqd/101:39:211
20777994327,3cyclictest25-21ksoftirqd/100:54:381
20777994322,7cyclictest25-21ksoftirqd/102:34:411
20777994319,7cyclictest25-21ksoftirqd/102:10:591
20777994317,4cyclictest25-21ksoftirqd/100:09:081
20777994315,7cyclictest25-21ksoftirqd/102:14:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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