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2026-03-28 - 19:15
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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 Sat Mar 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3243423250,12sleep332439-21fschecks_count08:03:563
60421500,3sleep3187399cyclictest09:09:103
2892521500,3sleep1186399cyclictest11:14:101
326332620,2sleep00-21swapper/011:51:270
56602600,4sleep1186399cyclictest13:36:111
125472580,4sleep1186399cyclictest10:24:401
16582554,39sleep00-21swapper/008:07:250
187399543,19cyclictest16746-21/usr/sbin/munin13:14:113
239652530,2sleep20-21swapper/211:43:262
186999531,27cyclictest5965-21awk12:29:172
186999531,27cyclictest5965-21awk12:29:172
186999531,23cyclictest21546-21users08:44:102
187399528,12cyclictest30657-21awk11:49:083
1869995216,25cyclictest9268-21expr12:34:022
187399472,18cyclictest28526-21ssh13:26:323
186999470,23cyclictest14881-21snmp_o5powerctl09:39:102
319062440,14sleep0101ktimersoftd/009:08:590
187399444,13cyclictest12303-21sed08:28:423
186999441,26cyclictest16768-21strings13:14:112
186999440,22cyclictest6713-21snmp_o5powerctl08:14:072
186999440,20cyclictest0-21swapper/210:14:022
186999433,19cyclictest19612-21snmp_o5powerctl09:49:112
187399416,10cyclictest22837-21ssh10:35:043
187399414,13cyclictest31866-21sed13:29:183
186999413,30cyclictest12069-21apt-get12:04:002
187399404,12cyclictest23082-21grep09:58:583
106891400,1ptp4l401ktimersoftd/312:00:323
187399394,12cyclictest27899-21sed12:19:093
106891390,1ptp4l401ktimersoftd/310:56:023
187399387,12cyclictest2868-21ssh12:27:203
187399387,12cyclictest2868-21ssh12:27:203
186999380,23cyclictest30705-21awk09:04:112
186999380,22cyclictest12510-21awk09:34:112
186999380,19cyclictest27448-21diskmemload10:28:142
106891380,1ptp4l401ktimersoftd/313:36:433
106891380,1ptp4l401ktimersoftd/313:11:503
106891380,1ptp4l401ktimersoftd/313:03:053
106891380,1ptp4l401ktimersoftd/312:33:153
106891380,1ptp4l401ktimersoftd/312:33:153
106891380,1ptp4l401ktimersoftd/311:37:473
106891380,1ptp4l401ktimersoftd/311:31:243
106891380,1ptp4l401ktimersoftd/311:27:083
106891380,1ptp4l401ktimersoftd/311:15:283
106891380,1ptp4l401ktimersoftd/311:10:593
106891380,1ptp4l401ktimersoftd/311:05:253
106891380,1ptp4l401ktimersoftd/310:51:283
106891380,1ptp4l401ktimersoftd/310:18:143
106891380,0ptp4l401ktimersoftd/312:35:103
1873993716,14cyclictest0-21swapper/312:04:003
186999371,31cyclictest0-21swapper/212:19:002
186999371,20cyclictest23233-21missed_timers08:49:042
106891370,1ptp4l401ktimersoftd/313:20:293
106891370,1ptp4l401ktimersoftd/312:52:233
106891370,1ptp4l401ktimersoftd/312:43:093
106891370,1ptp4l401ktimersoftd/312:10:053
106891370,1ptp4l401ktimersoftd/311:55:133
106891370,1ptp4l401ktimersoftd/311:46:203
106891370,1ptp4l401ktimersoftd/311:41:293
106891370,1ptp4l401ktimersoftd/310:32:103
106891370,1ptp4l401ktimersoftd/310:32:103
106891370,1ptp4l401ktimersoftd/310:24:573
106891370,1ptp4l401ktimersoftd/310:12:283
106891370,0ptp4l401ktimersoftd/310:43:023
106891370,0ptp4l401ktimersoftd/310:43:023
187399365,12cyclictest20103-21rm12:44:113
187399364,12cyclictest13256-21hddtemp_smartct10:59:033
186999364,26cyclictest29497-21apt-get11:48:592
186999361,20cyclictest9368-21timerandwakeup10:54:122
187399354,12cyclictest23895-21ssh12:14:363
186999353,26cyclictest24589-21apt-get08:53:552
186999353,26cyclictest24589-21apt-get08:53:552
186999353,25cyclictest25388-21apt-get10:03:572
186999353,25cyclictest1459-21snmp_o5powerctl11:19:132
1869993515,17cyclictest17211-21grep08:38:422
1869993514,18cyclictest17907-21sh10:30:272
1869993514,18cyclictest17907-21sh10:30:272
1869993514,17cyclictest2572-21cat12:59:152
186999351,30cyclictest28260-21mailstats08:59:062
186999350,21cyclictest96092sleep213:07:332
120842354,6sleep125-21ksoftirqd/112:04:021
187399344,18cyclictest18501-21sed08:39:023
1869993416,15cyclictest14074-21cpuspeed_turbos12:39:012
186999340,19cyclictest27448-21diskmemload11:48:022
186999340,18cyclictest27448-21diskmemload11:28:512
238272330,2sleep2186999cyclictest10:36:452
219252330,3sleep0185799cyclictest11:08:230
187399336,13cyclictest32363-21/usr/sbin/munin11:19:093
186999333,24cyclictest7149-21apt-get11:59:002
186999332,27cyclictest11025-21df_inode13:09:022
1869993315,15cyclictest27667-21sh13:25:042
1869993314,16cyclictest29950-21snmp_o5powerctl12:54:132
1869993314,16cyclictest23244-21expr09:58:592
1869993313,17cyclictest32151-21grep10:44:162
1869993313,17cyclictest32151-21grep10:44:162
186999331,28cyclictest0-21swapper/212:24:022
186999331,28cyclictest0-21swapper/212:24:022
186999331,25cyclictest25445-21sh10:38:572
186999331,25cyclictest25445-21sh10:38:572
186999330,29cyclictest7483-21latency_hist13:38:502
186999330,18cyclictest0-21swapper/211:34:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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