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2026-07-23 - 09:42
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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 Jul 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2318921680,4sleep01261399cyclictest23:29:220
1068911050,3ptp4l401ktimersoftd/321:11:553
72172590,5sleep11262099cyclictest01:28:311
124732594,44sleep00-21swapper/021:12:370
165442580,5sleep233-21ksoftirqd/223:55:462
106891570,1ptp4l401ktimersoftd/302:39:103
106891570,1ptp4l401ktimersoftd/301:17:273
212262560,1sleep00-21swapper/001:43:280
106891560,1ptp4l401ktimersoftd/301:49:313
106891550,1ptp4l401ktimersoftd/323:36:523
312992540,2sleep10-21swapper/101:53:291
34512510,2sleep10-21swapper/123:08:071
12629995144,4cyclictest33-21ksoftirqd/202:18:222
12620995114,23cyclictest1946-21sh02:31:291
325832500,1sleep10-21swapper/101:22:011
229922500,2sleep10-21swapper/101:44:051
12613995039,6cyclictest9-21ksoftirqd/002:03:220
146092470,2sleep30-21swapper/301:03:283
121952474,29sleep20-21swapper/221:08:592
12629994639,3cyclictest33-21ksoftirqd/201:18:242
12629994537,5cyclictest33-21ksoftirqd/223:58:212
106891450,1ptp4l401ktimersoftd/323:16:503
1233824425,8sleep10-21swapper/121:10:521
106891440,10ptp4l401ktimersoftd/302:25:473
106891430,1ptp4l401ktimersoftd/300:58:223
83872410,1sleep00-21swapper/023:48:210
106891410,1ptp4l401ktimersoftd/302:22:343
106891410,1ptp4l401ktimersoftd/301:43:353
106891400,2ptp4l1874-21kworker/3:200:24:353
106891400,1ptp4l401ktimersoftd/322:34:323
106891400,1ptp4l401ktimersoftd/300:16:593
1262099390,5cyclictest28010-21open_files00:43:291
106891390,1ptp4l401ktimersoftd/300:45:183
106891390,0ptp4l401ktimersoftd/321:28:273
12629993831,4cyclictest33-21ksoftirqd/202:28:222
1262099382,5cyclictest0-21swapper/102:08:261
106891380,1ptp4l401ktimersoftd/323:51:143
106891380,1ptp4l401ktimersoftd/301:40:323
106891380,1ptp4l401ktimersoftd/301:28:453
106891380,1ptp4l401ktimersoftd/301:23:213
106891380,1ptp4l401ktimersoftd/300:33:103
106891380,1ptp4l401ktimersoftd/300:33:093
106891380,1ptp4l401ktimersoftd/300:08:413
106891380,1ptp4l401ktimersoftd/300:01:503
1262099372,6cyclictest0-21swapper/123:23:201
1262099372,31cyclictest18015-21apt-config21:23:051
12620993715,19cyclictest3068-21sh23:43:131
12620993713,21cyclictest12166-21sh01:00:391
12620993712,22cyclictest23359-21cut21:33:181
106891370,1ptp4l401ktimersoftd/323:39:033
106891370,1ptp4l401ktimersoftd/323:21:043
106891370,1ptp4l401ktimersoftd/302:33:533
106891370,1ptp4l401ktimersoftd/302:33:043
106891370,1ptp4l401ktimersoftd/302:00:233
106891370,1ptp4l401ktimersoftd/301:18:263
106891370,1ptp4l401ktimersoftd/300:38:213
106891370,0ptp4l401ktimersoftd/323:54:583
106891370,0ptp4l401ktimersoftd/301:12:143
1262099362,5cyclictest0-21swapper/123:38:211
1262099362,5cyclictest0-21swapper/101:13:221
1262099362,4cyclictest0-21swapper/100:13:221
1262099361,5cyclictest18969-21apt-get01:08:221
12620993613,20cyclictest1055-21runrttasks23:57:221
12620993612,20cyclictest5772-21latency_hist01:28:111
12620993612,20cyclictest5736-21diskmemload01:48:371
12620993610,22cyclictest7327-21latency_hist22:08:061
106891360,1ptp4l401ktimersoftd/323:24:593
106891360,1ptp4l401ktimersoftd/322:03:193
106891360,1ptp4l401ktimersoftd/302:17:433
106891360,1ptp4l401ktimersoftd/301:36:283
106891360,0ptp4l401ktimersoftd/302:10:103
1262099356,4cyclictest3280-21gltestperf21:58:231
1262099352,6cyclictest0-21swapper/122:43:191
1262099351,5cyclictest18504-21apt-get21:23:171
1262099351,5cyclictest18504-21apt-get21:23:171
1262099351,4cyclictest0-21swapper/121:13:171
1262099351,4cyclictest0-21swapper/121:13:171
12620993510,22cyclictest20153-21sed22:33:261
12620993510,21cyclictest8905-21irqrtprio02:03:281
1262099350,4cyclictest5736-21diskmemload01:33:301
1262099350,32cyclictest9791-21grep02:38:371
106891350,2ptp4l23391-21kworker/3:023:01:153
106891350,2ptp4l23391-21kworker/3:022:50:123
106891350,1ptp4l401ktimersoftd/321:58:353
106891350,0ptp4l401ktimersoftd/323:31:233
12629993427,4cyclictest33-21ksoftirqd/223:13:202
1262099342,8cyclictest10727-21apt-get00:23:211
1262099341,5cyclictest28185-21apt-get00:08:211
12620993411,20cyclictest6145-21cat23:13:191
12620993411,20cyclictest3608-21/usr/sbin/munin23:08:371
12620993411,20cyclictest3608-21/usr/sbin/munin23:08:371
12620993410,21cyclictest5736-21diskmemload00:49:191
12620993410,21cyclictest5736-21diskmemload00:49:191
12620993410,20cyclictest5018-21sed00:53:291
12620993410,20cyclictest29309-21fschecks_count22:53:261
12620993410,20cyclictest26953-21needreboot23:33:291
12613993426,4cyclictest9-21ksoftirqd/002:33:240
106891340,2ptp4l9392-21kworker/3:221:19:023
106891340,1ptp4l401ktimersoftd/300:49:453
106891340,1ptp4l401ktimersoftd/300:49:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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