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2026-03-25 - 11:46
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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 Wed Mar 25, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335799834,73cyclictest7963-21latency_hist21:30:012
335799813,34cyclictest382-21systemd-journal21:12:252
335799802,73cyclictest16044-21ssh23:05:592
335799784,68cyclictest0-21swapper/223:32:572
335799754,65cyclictest0-21swapper/220:38:112
335799752,67cyclictest565-21irqbalance22:52:282
335799733,64cyclictest6169-21tune2fs18:20:202
335799733,63cyclictest31407-21processes22:00:252
335799725,61cyclictest8392-21ssh22:55:392
335799722,8cyclictest20772-21/usr/sbin/munin19:00:272
335799722,64cyclictest15165-21/usr/sbin/munin18:45:312
335799713,61cyclictest2318-21ssh22:48:392
335799712,63cyclictest3052-21expr22:05:292
335799712,6cyclictest26294-21ps20:27:112
335799705,58cyclictest0-21swapper/220:44:072
335799704,60cyclictest0-21swapper/221:32:092
335799704,59cyclictest0-21swapper/223:11:412
335799702,62cyclictest8975-21/usr/sbin/munin19:55:222
335799702,62cyclictest8975-21/usr/sbin/munin19:55:222
335799702,62cyclictest31008-21ssh20:34:112
335799702,62cyclictest14049-21awk20:06:102
335799694,59cyclictest7705-21ssh22:12:022
335799694,59cyclictest0-21swapper/220:55:012
335799694,59cyclictest0-21swapper/220:55:012
335799693,60cyclictest3527-21df19:40:152
335799693,60cyclictest12314-21ssh22:18:532
335799692,8cyclictest14599-21/usr/sbin/munin20:10:172
335799692,61cyclictest4532-21wget23:35:082
335799692,61cyclictest4532-21wget23:35:082
335799692,61cyclictest10655-21/usr/sbin/munin23:00:182
335799685,57cyclictest0-21swapper/221:23:302
335799684,36cyclictest0-21swapper/223:20:122
335799683,59cyclictest17024-21ssh20:58:162
335799682,7cyclictest30142-21/usr/sbin/munin19:25:282
335799682,60cyclictest17552-21missed_timers22:25:202
335799682,60cyclictest10841-21/usr/sbin/munin20:00:152
3357996812,50cyclictest0-21swapper/222:39:462
335799675,56cyclictest0-21swapper/221:42:332
335799675,56cyclictest0-21swapper/221:00:562
335799675,55cyclictest0-21swapper/219:55:032
335799674,56cyclictest0-21swapper/221:05:152
335799673,59cyclictest20555-21ssh22:30:032
335799673,58cyclictest31847-21ssh23:27:542
335799673,58cyclictest21541-21wc20:20:312
335799673,58cyclictest20166-21latency_hist20:20:032
335799673,58cyclictest12179-21grep21:35:152
335799673,58cyclictest12179-21grep21:35:152
335799672,6cyclictest19630-21ntp_kernel_err18:55:252
335799668,52cyclictest0-21swapper/219:35:292
335799665,55cyclictest0-21swapper/223:19:192
335799665,55cyclictest0-21swapper/221:58:022
335799665,55cyclictest0-21swapper/221:18:302
335799664,56cyclictest0-21swapper/222:41:072
335799664,56cyclictest0-21swapper/221:54:052
335799664,56cyclictest0-21swapper/221:45:352
335799664,56cyclictest0-21swapper/220:47:182
335799664,56cyclictest0-21swapper/220:47:182
335799662,7cyclictest5237-21/usr/sbin/munin19:45:272
335799662,7cyclictest32009-21/usr/sbin/munin19:30:262
335799662,57cyclictest28265-21/usr/sbin/munin19:20:262
335799655,55cyclictest0-21swapper/223:42:302
335799655,29cyclictest0-21swapper/222:20:362
335799655,29cyclictest0-21swapper/222:20:362
335799652,7cyclictest7106-21/usr/sbin/munin19:50:162
335799643,5cyclictest0-21swapper/218:35:042
335799632,7cyclictest627-21snmpd18:16:562
335799604,49cyclictest0-21swapper/219:15:042
335799603,52cyclictest0-21swapper/219:10:042
335799594,49cyclictest0-21swapper/218:40:042
335799593,50cyclictest0-21swapper/218:54:322
335799584,48cyclictest0-21swapper/219:17:562
334899584,47cyclictest0-21swapper/121:16:201
335799572,7cyclictest9333-21latency_hist18:30:052
281125711,17sleep20-21swapper/218:11:312
281125711,17sleep20-21swapper/218:11:312
335799563,48cyclictest0-21swapper/218:40:102
334899564,46cyclictest0-21swapper/121:46:291
3348995616,5cyclictest0-21swapper/121:40:211
334899555,17cyclictest0-21swapper/122:23:301
334899555,17cyclictest0-21swapper/122:23:301
334899554,7cyclictest0-21swapper/122:50:581
334899554,45cyclictest0-21swapper/123:25:591
334899552,47cyclictest3954-21/usr/sbin/munin18:15:341
334899544,44cyclictest0-21swapper/123:33:591
334899534,42cyclictest0-21swapper/122:04:391
334899534,17cyclictest0-21swapper/121:23:161
3348995313,34cyclictest26429-21sshd23:20:221
334499534,6cyclictest0-21swapper/022:33:280
3348995243,5cyclictest21-21ksoftirqd/122:15:001
334899524,42cyclictest0-21swapper/121:13:181
334899523,43cyclictest0-21swapper/120:44:011
334899514,9cyclictest0-21swapper/121:26:201
334899514,41cyclictest0-21swapper/120:53:511
334899514,41cyclictest0-21swapper/120:53:511
334899513,42cyclictest0-21swapper/120:05:271
334899509,34cyclictest0-21swapper/121:51:141
334899504,41cyclictest0-21swapper/123:41:271
334899503,9cyclictest0-21swapper/123:13:581
334899503,41cyclictest0-21swapper/123:00:381
334899503,41cyclictest0-21swapper/122:26:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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