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2026-06-16 - 21:26
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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 Tue Jun 16, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911910,5ptp4l401ktimersoftd/308:51:023
2998821850,4sleep032199cyclictest11:28:270
2674821680,4sleep032199cyclictest11:58:220
2302721680,5sleep333999cyclictest13:34:043
2476321540,5sleep032199cyclictest11:57:540
52862700,2sleep00-21swapper/008:58:240
276052690,4sleep233199cyclictest13:06:132
331996526,4cyclictest33-21ksoftirqd/212:53:022
32199653,3cyclictest121rcu_preempt11:23:130
165102620,3sleep30-21swapper/311:48:213
33999617,20cyclictest4401-21grep12:08:243
300682610,5sleep032199cyclictest14:15:120
33999606,12cyclictest32535-21fschecks_time12:38:173
339995811,13cyclictest28527-21ssh10:53:383
339995811,13cyclictest19578-21timedrift09:28:243
21922580,5sleep32194-21unixbench-2d08:53:253
160022580,5sleep333999cyclictest14:01:023
331995722,9cyclictest33-21ksoftirqd/211:25:132
33999567,13cyclictest4222-21cat14:23:043
33999566,13cyclictest11259-21users12:48:323
331995623,6cyclictest33-21ksoftirqd/211:48:012
33999557,13cyclictest30342-21cp12:03:023
33999557,12cyclictest9205-21latency_hist12:48:023
33999549,13cyclictest16750-21ssh11:15:213
33999548,19cyclictest24755-21awk09:38:263
33999547,13cyclictest5712-21sed11:03:303
33999547,12cyclictest30665-21ssh13:43:153
33999547,12cyclictest24677-21awk10:48:173
33999546,14cyclictest22916-21date09:37:583
33999546,14cyclictest22916-21date09:37:583
33999546,12cyclictest10833-21cat13:23:033
331995424,5cyclictest33-21ksoftirqd/211:38:172
331995423,4cyclictest33-21ksoftirqd/211:18:242
331995423,4cyclictest33-21ksoftirqd/211:18:242
331995423,10cyclictest33-21ksoftirqd/213:33:202
33999538,11cyclictest26168-21diskmemload13:30:483
33999537,18cyclictest28298-21/usr/sbin/munin12:33:223
33999537,13cyclictest30173-21bc09:53:093
33999537,13cyclictest30075-21sed13:08:213
33999537,13cyclictest30075-21sed13:08:213
33999537,13cyclictest25914-21sed13:03:333
33999537,13cyclictest13452-21awk09:18:113
33999537,12cyclictest19008-21awk11:18:163
33999537,12cyclictest19008-21awk11:18:163
33999536,13cyclictest5321-21seq13:49:193
33999536,13cyclictest23565-21bc11:23:123
33999536,12cyclictest30413-21latency_hist13:43:043
339995311,12cyclictest10097-21ssh11:42:433
331995322,6cyclictest33-21ksoftirqd/210:38:122
331995322,6cyclictest33-21ksoftirqd/210:07:592
33999528,20cyclictest11064-21cpu09:13:103
33999527,13cyclictest8934-21cat12:13:213
33999526,19cyclictest22085-21cat14:08:043
33999526,13cyclictest15555-21missed_timers12:53:213
33999526,13cyclictest13057-21ssh11:44:233
33999526,12cyclictest25206-21apt-config11:58:023
339995210,12cyclictest1623-21ssh10:59:413
331995237,3cyclictest33-21ksoftirqd/213:28:292
331995224,9cyclictest33-21ksoftirqd/209:53:272
331995224,10cyclictest33-21ksoftirqd/214:18:182
331995223,5cyclictest33-21ksoftirqd/210:53:212
331995222,7cyclictest33-21ksoftirqd/211:00:282
331995221,7cyclictest33-21ksoftirqd/212:09:432
331995220,6cyclictest33-21ksoftirqd/214:03:092
33999519,12cyclictest9523-21seq10:17:373
33999517,12cyclictest19013-21snmp_o5powerctl12:23:283
33999516,13cyclictest12217-21acpi10:23:103
33999516,12cyclictest26283-21irqrtprio09:43:173
33999516,12cyclictest20907-21timerandwakeup12:58:313
33999516,10cyclictest13917-21/usr/sbin/munin12:18:223
33999515,13cyclictest22973-21hddtemp_smartct14:08:223
339995110,19cyclictest22546-21ssh11:54:033
331995125,7cyclictest33-21ksoftirqd/213:03:022
331995124,5cyclictest33-21ksoftirqd/212:05:502
331995122,5cyclictest33-21ksoftirqd/213:23:242
331995121,7cyclictest33-21ksoftirqd/211:49:072
331995121,6cyclictest33-21ksoftirqd/214:14:172
331995121,6cyclictest33-21ksoftirqd/214:12:462
331995121,6cyclictest33-21ksoftirqd/213:54:302
331995121,6cyclictest33-21ksoftirqd/213:42:502
331995121,6cyclictest33-21ksoftirqd/212:44:422
331995120,9cyclictest33-21ksoftirqd/213:23:032
331995119,10cyclictest33-21ksoftirqd/212:33:262
331995116,6cyclictest33-21ksoftirqd/212:42:122
325682514,35sleep10-21swapper/108:51:311
33999508,8cyclictest3037-21smartctl10:03:143
33999507,11cyclictest5369-21ssh11:37:553
33999505,11cyclictest21546-21latency_hist10:43:003
339995010,16cyclictest31377-21seq14:17:293
33199506,5cyclictest33-21ksoftirqd/213:48:322
331995022,5cyclictest33-21ksoftirqd/212:28:072
331995022,5cyclictest33-21ksoftirqd/208:58:022
331995022,4cyclictest33-21ksoftirqd/210:32:592
331995021,6cyclictest33-21ksoftirqd/213:47:142
331995021,6cyclictest33-21ksoftirqd/211:54:142
331995021,6cyclictest33-21ksoftirqd/211:15:142
331995021,11cyclictest33-21ksoftirqd/213:58:112
331995020,6cyclictest33-21ksoftirqd/211:59:242
331995020,6cyclictest33-21ksoftirqd/211:37:532
331995020,6cyclictest33-21ksoftirqd/211:29:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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