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2026-04-03 - 09:32
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Fri Apr 03, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295762800,9sleep1125799cyclictest22:36:541
127499621,55cyclictest21468-21ssh23:09:393
1274996122,34cyclictest638-21runrttasks20:33:283
127499609,45cyclictest6883-21/usr/sbin/munin19:50:373
1274996011,43cyclictest31785-21/usr/sbin/munin19:30:383
127499588,44cyclictest14942-21/usr/sbin/munin18:45:303
1274995818,34cyclictest14163-21diskmemload20:18:063
1274995812,39cyclictest17127-21/usr/sbin/munin22:20:363
1274995811,41cyclictest28147-21sed21:10:333
1257995849,5cyclictest21-21ksoftirqd/120:50:121
127499579,42cyclictest23911-21ssh23:11:453
127499579,14cyclictest1861-21/usr/sbin/munin18:10:403
1274995720,32cyclictest0-21swapper/323:25:403
1274995720,32cyclictest0-21swapper/323:25:403
1274995713,38cyclictest0-21swapper/322:27:503
1274995711,40cyclictest20375-21latency21:00:313
1274995710,41cyclictest0-21swapper/323:31:183
125799573,49cyclictest0-21swapper/120:35:221
125799573,49cyclictest0-21swapper/120:35:221
127499568,42cyclictest15488-21ssh20:54:473
127499564,46cyclictest0-21swapper/322:37:403
1274995614,36cyclictest3733-21/usr/sbin/munin22:45:353
1274995610,40cyclictest16226-21ssh21:37:123
127499555,44cyclictest16137-21ssh20:55:233
127499552,47cyclictest565-21irqbalance21:05:223
1274995513,36cyclictest0-21swapper/322:09:253
1274995510,9cyclictest32549-21grep21:15:433
125799552,8cyclictest30314-21missed_timers23:20:291
127499549,40cyclictest8715-21diskstats22:10:243
127499549,40cyclictest8715-21diskstats22:10:243
127499549,39cyclictest9566-21ntp_states23:35:323
127499549,39cyclictest8599-21/usr/sbin/munin20:45:243
127499549,39cyclictest13481-21timerandwakeup22:15:403
127499548,40cyclictest20550-21/usr/sbin/munin19:00:273
127499548,39cyclictest6991-21fschecks_count22:50:243
127499547,41cyclictest15023-21/usr/sbin/munin20:10:333
127499543,7cyclictest20041-21ssh21:42:113
1274995414,35cyclictest27035-21processes19:15:393
1274995412,36cyclictest10621-21/usr/sbin/munin20:00:283
1274995411,37cyclictest11266-21sendmail_mailqu21:30:383
1274995410,38cyclictest27163-21grep20:25:453
1274995410,38cyclictest16814-21/usr/sbin/munin18:50:413
125799545,44cyclictest0-21swapper/121:19:511
125799543,45cyclictest0-21swapper/120:25:431
87025310,15sleep20-21swapper/218:08:332
7932537,16sleep10-21swapper/118:07:361
127499539,38cyclictest24388-21sed22:30:283
127499539,38cyclictest15312-21sendmail_mailqu23:00:363
1274995311,36cyclictest1002-21df_inode22:00:233
1274995310,38cyclictest13038-21ssh22:58:033
1274995310,37cyclictest18680-21/usr/sbin/munin18:55:313
125799534,43cyclictest0-21swapper/123:05:411
125799534,4cyclictest0-21swapper/123:16:091
125799533,44cyclictest0-21swapper/123:14:091
125799532,6cyclictest19889-21ssh21:41:511
125799532,18cyclictest11162-21ssh23:37:501
127499528,38cyclictest31772-21fschecks_time22:40:253
127499528,38cyclictest31196-21ssh23:20:583
127499528,38cyclictest22593-21iostat20:20:303
127499524,42cyclictest12509-21/usr/sbin/munin20:05:323
127499523,17cyclictest0-21swapper/319:47:383
1274995213,33cyclictest0-21swapper/321:51:383
1274995212,34cyclictest0-21swapper/323:16:173
1274995212,34cyclictest0-21swapper/320:45:113
1274995211,35cyclictest627-21snmpd19:23:553
1274995210,37cyclictest3145-21/usr/sbin/munin19:40:413
1274995210,37cyclictest3145-21/usr/sbin/munin19:40:413
1274995210,36cyclictest3675-21smart_sda21:20:403
1274995210,36cyclictest3675-21smart_sda21:20:403
1274995210,36cyclictest1272-21/usr/sbin/munin19:35:353
1274995210,36cyclictest1272-21/usr/sbin/munin19:35:353
125799524,10cyclictest0-21swapper/122:19:401
125799523,43cyclictest0-21swapper/123:27:191
125799523,43cyclictest0-21swapper/123:27:191
127499519,36cyclictest8919-21df_inode19:55:253
127499517,37cyclictest2849-21sh20:36:523
127499517,37cyclictest2849-21sh20:36:523
127499515,40cyclictest0-21swapper/321:29:593
127499515,39cyclictest0-21swapper/321:45:553
1274995115,30cyclictest29915-21/usr/sbin/munin19:25:353
1274995110,35cyclictest30206-21/usr/sbin/munin21:55:343
1266995112,34cyclictest0-21swapper/221:21:112
1266995112,34cyclictest0-21swapper/221:21:112
125799514,41cyclictest0-21swapper/122:40:171
125799514,41cyclictest0-21swapper/120:56:541
125799513,43cyclictest0-21swapper/123:00:201
125799512,43cyclictest31829-21ssh20:32:371
125499514,41cyclictest0-21swapper/022:48:010
125499513,42cyclictest14976-21ntp_states21:35:370
1274995010,34cyclictest22437-21/usr/sbin/munin19:05:333
125799508,37cyclictest0-21swapper/118:22:431
125799504,41cyclictest0-21swapper/121:56:051
125799504,39cyclictest0-21swapper/122:45:291
125799504,10cyclictest0-21swapper/119:34:531
125799503,43cyclictest0-21swapper/122:26:101
125799503,41cyclictest8254-21ssh23:34:461
125799503,23cyclictest10012-21kworker/1:121:33:501
1254995035,11cyclictest0-21swapper/020:23:030
125499501,4cyclictest41ktimersoftd/021:05:420
1274994910,12cyclictest24307-21/usr/sbin/munin19:10:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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