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2026-06-21 - 00:42
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rack3slot7.osadl.org (updated Sat Jun 20, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/015074-21kworker/0:207:01:150
250569815512cyclictest12340-21aten2.4_r3power08:06:400
250569815213cyclictest25312-21munin-node07:06:350
250569814913cyclictest18271-21aten2.4-expect08:26:270
250569814912cyclictest2792-21runrttasks12:31:470
250569813912cyclictest21087-21aten2.4_r3power10:21:220
14991370watchdog/029943-21munin-node07:21:210
2234501090irq/11-eth09207-21chrt09:41:380
14991080watchdog/027309-21aten2.4_r3power08:56:210
14991080watchdog/010235-21ntp_offset11:31:210
2234501060irq/11-eth030903-21latency10:51:440
2234501050irq/11-eth016403-21df10:06:200
14991020watchdog/04892-21runrttasks09:27:250
14991020watchdog/02792-21runrttasks10:17:450
1499990watchdog/09316-21timerandwakeup07:56:450
1499990watchdog/023978-21runrttasks08:46:090
1499980watchdog/01508-21aten2.4_r3power07:31:490
80650950irq/14-ide01228-21nfs_client11:01:310
223450950irq/11-eth023031-21processes12:11:380
1499930watchdog/029946-21sshd09:05:170
1499930watchdog/023651-21runrttasks08:44:170
223450910irq/11-eth0790-21munin-node09:16:110
1499910watchdog/07678-21interrupts11:21:410
1499910watchdog/031903-21aten2.4_r3power10:56:210
80650890irq/14-ide02792-21runrttasks07:16:010
1499890watchdog/016232-21munin-node11:51:130
80650870irq/14-ide024140-21aten2.4_r3power12:16:210
223450870irq/11-eth013194-21open_inodes09:56:120
25056988411cyclictest5644-21load09:31:200
25056988214cyclictest11993-21grep11:36:270
1499820watchdog/031356-21runrttasks09:09:130
80650810irq/14-ide010413-21df_inode09:46:250
223450810irq/11-eth011569-21latency_hist09:51:010
1499810watchdog/014397-21sshd08:14:170
25056988014cyclictest19294-21munin-node12:01:220
25056988012cyclictest27489-21nfs_client12:26:300
25056987913cyclictest3046-21aten2.4_r3power07:36:380
25056987913cyclictest16729-21aten2.4_r3power08:21:300
80650780irq/14-ide06047-21munin-node11:16:360
25056987832cyclictest7031-21mailstats07:51:110
25056987813cyclictest29787-21runrttasks10:49:180
25056987812cyclictest2792-21runrttasks07:48:330
25056987812cyclictest23947-21munin-node10:31:360
25056987811cyclictest7489-21nfs_client09:36:320
25056987713cyclictest28419-21mailstats07:16:120
25056987713cyclictest26276-21timerandwakeup08:51:430
25056987713cyclictest2585-21df_inode11:06:240
25056987713cyclictest21376-21nfs_client08:36:310
25056987712cyclictest15001-21cpu08:16:230
25056987712cyclictest10121-21sendmail_mailtr08:01:120
223450770irq/11-eth025779-21df_inode12:21:230
80650760irq/14-ide021054-21hostname12:06:210
25056987614cyclictest19507-21munin-node08:31:200
25056987613cyclictest28459-21idleruntime-cro10:46:010
25056987613cyclictest2792-21runrttasks11:27:410
25056987613cyclictest2792-21runrttasks11:11:120
25056987612cyclictest31498-21munin-node07:26:350
25056987612cyclictest2914-21nfs_client09:21:330
25056987612cyclictest15212-21nfs_client10:01:320
1499760watchdog/017808-21munin-node10:11:130
25056987514cyclictest13368-21munin-node11:41:210
25056987513cyclictest22373-21latency_hist10:26:020
25056987512cyclictest32217-21nfs_client09:11:320
1499750watchdog/04234-21sed07:41:250
25056987413cyclictest17966-21aten2.4_r3power11:56:200
25056987412cyclictest25653-21df10:36:180
25056987412cyclictest14864-21ntp_offset11:46:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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