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2026-06-17 - 00:06
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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 Tue Jun 16, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2027299712,62cyclictest2332-21/usr/sbin/munin08:55:322
2027299643,55cyclictest0-21swapper/211:10:262
2027299623,53cyclictest7457-21threads11:55:262
184122628,16sleep30-21swapper/306:50:153
2025899603,52cyclictest0-21swapper/011:13:270
2027299593,51cyclictest28375-21grep09:30:302
1989825912,17sleep20-21swapper/206:53:352
2028099583,49cyclictest0-21swapper/309:53:423
2028099574,47cyclictest0-21swapper/309:31:323
2028099574,46cyclictest0-21swapper/311:40:393
20272995726,26cyclictest3103-21grep09:40:272
20272995714,37cyclictest7985-21timerandwakeup10:30:272
2025899573,49cyclictest0-21swapper/009:25:010
20258995710,41cyclictest0-21swapper/012:13:290
2028099564,47cyclictest0-21swapper/312:13:193
2028099564,46cyclictest0-21swapper/311:18:403
2028099564,46cyclictest0-21swapper/310:59:403
2028099564,46cyclictest0-21swapper/310:59:403
2028099561,50cyclictest8240-21kworker/3:110:46:053
2027299563,7cyclictest24322-21sendmail_mailqu09:25:272
2028099557,42cyclictest0-21swapper/310:50:383
2028099554,45cyclictest0-21swapper/311:58:193
2025899554,7cyclictest0-21swapper/012:05:260
2028099546,23cyclictest0-21swapper/310:31:053
2028099545,43cyclictest0-21swapper/310:35:113
2028099543,45cyclictest0-21swapper/309:11:233
20272995424,25cyclictest15935-21date11:24:582
20272995421,28cyclictest17302-21cut10:00:132
2027299542,45cyclictest5569-21taskset10:27:482
2026399543,46cyclictest0-21swapper/107:50:291
2025899542,46cyclictest26544-21sed12:20:290
1999425410,15sleep10-21swapper/106:54:431
2028099534,43cyclictest0-21swapper/310:11:323
2028099534,43cyclictest0-21swapper/310:11:323
20272995320,27cyclictest27619-21grep07:10:342
2028099524,42cyclictest0-21swapper/309:59:323
2028099523,43cyclictest0-21swapper/310:25:513
20280995217,29cyclictest5215-21fschecks_time09:00:153
2027299526,40cyclictest18670-21sendmail_mailst12:10:242
2027299523,42cyclictest10580-21ksmtuned07:53:342
20272995216,30cyclictest4842-21wget09:00:112
2025899524,42cyclictest0-21swapper/010:10:020
2025899524,42cyclictest0-21swapper/010:10:020
2025899523,44cyclictest0-21swapper/011:16:270
2025899522,44cyclictest13721-21ssh10:39:010
2028099514,42cyclictest0-21swapper/308:02:293
2028099514,41cyclictest0-21swapper/312:19:193
2028099514,41cyclictest0-21swapper/310:22:113
2028099514,41cyclictest0-21swapper/309:40:003
2028099514,41cyclictest0-21swapper/308:25:123
2028099513,43cyclictest0-21swapper/311:46:393
20280995112,8cyclictest564-21dbus-daemon09:00:003
20280995110,9cyclictest0-21swapper/310:15:103
20272995120,26cyclictest11944-21latency_hist09:10:012
20272995113,33cyclictest26009-21fschecks_count10:55:112
20272995113,33cyclictest26009-21fschecks_count10:55:112
2025899512,43cyclictest24177-21ssh10:10:000
2028099505,39cyclictest0-21swapper/312:08:593
2028099505,39cyclictest0-21swapper/310:02:473
2028099504,8cyclictest0-21swapper/312:00:593
2028099504,41cyclictest0-21swapper/309:27:493
2028099504,40cyclictest0-21swapper/312:20:563
2028099504,40cyclictest0-21swapper/311:36:003
2028099504,40cyclictest0-21swapper/309:20:483
2028099504,40cyclictest0-21swapper/309:09:143
2028099503,41cyclictest0-21swapper/309:16:133
2028099503,41cyclictest0-21swapper/308:12:483
20280995012,32cyclictest0-21swapper/311:54:393
2027299507,37cyclictest723-21taskset11:46:362
2027299507,37cyclictest1859-21open_inodes11:05:242
2027299507,37cyclictest14708-21fschecks_count10:40:132
2027299507,37cyclictest13319-21aten_rbpower_vo09:55:122
2027299503,41cyclictest4161-21awk07:35:252
2027299503,40cyclictest25827-21ps10:10:412
2027299503,40cyclictest25827-21ps10:10:412
2027299502,8cyclictest17417-21grep11:25:302
2027299502,42cyclictest5811-21uname07:40:212
20272995017,28cyclictest26422-21timerwakeupswit12:20:272
20272995017,27cyclictest26874-21cat08:35:312
20272995014,31cyclictest13020-21ntpdc09:10:212
20272995011,34cyclictest8046-21taskset09:47:232
2025899504,10cyclictest0-21swapper/009:44:120
2025899503,23cyclictest0-21swapper/011:45:230
2025899503,14cyclictest0-21swapper/011:30:070
20258995013,31cyclictest28511-21df_inode07:15:160
2028099499,35cyclictest8985-21latency_hist07:50:033
2028099495,38cyclictest0-21swapper/311:10:193
2028099494,40cyclictest0-21swapper/311:01:403
2028099494,39cyclictest0-21swapper/310:05:073
2028099494,39cyclictest0-21swapper/309:39:593
2028099494,39cyclictest0-21swapper/308:41:373
2028099494,39cyclictest0-21swapper/307:05:203
2027299499,34cyclictest3908-21grep11:50:282
2027299498,35cyclictest20632-21latency06:55:092
2027299493,40cyclictest23756-21cpu11:35:092
2027299493,40cyclictest14257-21grep12:05:112
2027299493,39cyclictest29658-21basename11:00:092
2027299493,17cyclictest32663-21ps09:36:392
2027299493,17cyclictest32663-21ps09:36:392
2027299492,6cyclictest30281-21ssh11:43:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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