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2026-06-25 - 07:57
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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 Thu Jun 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159621490,5sleep31880999cyclictest01:32:473
943121470,4sleep11879999cyclictest01:39:551
2102221460,3sleep01879599cyclictest01:18:060
2894221360,3sleep31880999cyclictest23:47:523
106891970,4ptp4l401ktimersoftd/320:55:113
164222760,3sleep1241ktimersoftd/101:47:581
169642660,5sleep01879599cyclictest02:21:100
256972560,4sleep31880999cyclictest00:49:553
162462560,2sleep216247-21sh23:02:022
236682540,2sleep20-21swapper/200:14:092
171962530,2sleep30-21swapper/300:42:043
64612520,2sleep20-21swapper/222:43:072
58682510,2sleep10-21swapper/102:08:461
143291480,4getstats1880999cyclictest02:26:463
1879599464,18cyclictest6041-21tail23:23:110
210802450,3sleep125-21ksoftirqd/102:24:521
18799994431,6cyclictest25-21ksoftirqd/121:57:511
1880999437,8cyclictest27826-21snmp_o5powerctl01:58:083
18809994112,13cyclictest29220-21chrt23:13:593
106891400,1ptp4l401ktimersoftd/300:28:063
106891390,1ptp4l401ktimersoftd/323:09:063
106891380,1ptp4l401ktimersoftd/301:56:233
106891380,1ptp4l401ktimersoftd/300:00:393
1880999375,11cyclictest19542-21ssh23:04:163
18809993711,9cyclictest32582-21apt-get00:57:543
18795993715,3cyclictest9-21ksoftirqd/021:55:030
106891370,1ptp4l401ktimersoftd/323:56:173
106891370,1ptp4l401ktimersoftd/323:33:553
106891370,1ptp4l401ktimersoftd/323:28:093
106891370,1ptp4l401ktimersoftd/323:00:153
106891370,1ptp4l401ktimersoftd/322:51:283
106891370,1ptp4l401ktimersoftd/322:15:473
106891370,1ptp4l401ktimersoftd/302:18:553
106891370,1ptp4l401ktimersoftd/302:09:513
106891370,1ptp4l401ktimersoftd/302:03:573
106891370,1ptp4l401ktimersoftd/301:49:013
106891370,1ptp4l401ktimersoftd/301:42:493
106891370,1ptp4l401ktimersoftd/301:31:523
106891370,1ptp4l401ktimersoftd/301:20:513
106891370,1ptp4l401ktimersoftd/301:05:343
106891370,1ptp4l401ktimersoftd/301:05:343
106891370,1ptp4l401ktimersoftd/300:55:443
106891370,1ptp4l401ktimersoftd/300:26:123
106891370,1ptp4l401ktimersoftd/300:06:473
106891370,0ptp4l401ktimersoftd/323:38:193
1880999368,16cyclictest4818-21/usr/sbin/munin22:43:063
18795993614,3cyclictest9-21ksoftirqd/021:32:470
18795993614,3cyclictest9-21ksoftirqd/021:32:470
106891360,1ptp4l401ktimersoftd/323:44:053
106891360,1ptp4l401ktimersoftd/302:13:183
106891360,1ptp4l401ktimersoftd/301:41:393
106891360,1ptp4l401ktimersoftd/301:16:083
106891360,1ptp4l401ktimersoftd/300:34:113
106891360,1ptp4l401ktimersoftd/300:17:493
106891360,0ptp4l401ktimersoftd/322:18:123
1879599358,3cyclictest0-21swapper/021:02:540
106891350,1ptp4l401ktimersoftd/300:46:393
106891350,1ptp4l401ktimersoftd/300:17:103
106891350,0ptp4l401ktimersoftd/321:39:023
1880499343,6cyclictest121rcu_preempt00:38:032
18799993428,3cyclictest25-21ksoftirqd/100:27:431
18799993424,4cyclictest25-21ksoftirqd/100:27:531
1880999339,8cyclictest830-21snmp_o5powerctl23:18:073
1880999338,14cyclictest4282-21apt-get23:22:533
1879599336,6cyclictest13604-21gltestperf00:38:000
106891330,1ptp4l401ktimersoftd/300:10:113
18809993218,7cyclictest26843-21apt-get21:12:503
1880499323,4cyclictest121rcu_preempt01:19:222
18799993224,3cyclictest25-21ksoftirqd/102:12:581
18799993126,3cyclictest25-21ksoftirqd/122:57:571
18799993124,5cyclictest25-21ksoftirqd/101:07:541
18799993124,5cyclictest25-21ksoftirqd/101:07:541
18804993025,3cyclictest33-21ksoftirqd/200:27:432
18804993018,5cyclictest321ktimersoftd/223:22:532
18799993025,3cyclictest25-21ksoftirqd/100:42:421
18799993024,3cyclictest25-21ksoftirqd/123:23:001
18799993024,3cyclictest25-21ksoftirqd/100:18:011
18799993024,3cyclictest25-21ksoftirqd/100:12:421
18799993017,6cyclictest25-21ksoftirqd/101:22:561
1866123011,8sleep00-21swapper/020:57:150
184192309,11sleep125-21ksoftirqd/120:54:051
18809992918,6cyclictest1544-21apt-get21:27:503
18809992915,7cyclictest19057-21apt-get20:57:503
18809992915,10cyclictest11702-21users01:08:113
18809992915,10cyclictest11702-21users01:08:113
18809992911,15cyclictest25575-21needreboot01:23:043
18809992911,14cyclictest13363-21bc21:52:493
18809992910,16cyclictest0-21swapper/322:27:403
18799992924,3cyclictest25-21ksoftirqd/123:07:571
18799992923,3cyclictest25-21ksoftirqd/102:17:591
18799992923,3cyclictest25-21ksoftirqd/101:22:441
18799992923,3cyclictest25-21ksoftirqd/101:07:431
18799992923,3cyclictest25-21ksoftirqd/101:07:431
18799992922,4cyclictest25-21ksoftirqd/123:47:591
18799992920,4cyclictest25-21ksoftirqd/101:12:541
18795992911,15cyclictest20880-21latency_hist00:12:430
174852295,10sleep20-21swapper/220:52:572
158522290,2sleep10-21swapper/100:07:291
106891290,1ptp4l401ktimersoftd/322:03:083
299472288,5sleep233-21ksoftirqd/200:53:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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