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2025-10-26 - 10:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Sun Oct 26, 2025 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1712899257225cyclictest520-21sh22:37:150
1712899255225cyclictest23931-21cpu21:57:330
1712899254223cyclictest3373-21chrt20:27:450
1712899252226cyclictest9307-21apt-get23:15:070
1712899252167cyclictest27951-21ssh22:14:190
1712899250220cyclictest28086-21ssh00:37:260
1712899248224cyclictest10707-21ssh23:20:410
1712899248219cyclictest16777-21df23:47:490
1712899248185cyclictest18515-21idleruntime21:33:320
1712899247219cyclictest2720-21lxpanel22:19:530
1712899247219cyclictest24912-21grep19:39:240
1712899245219cyclictest7235-21ntp_states20:43:540
1712899245217cyclictest9638-21fgrep20:54:100
1712899245214cyclictest7546-21idleruntime-cro23:07:160
1712899245213cyclictest16903-21ssh21:26:520
1712899245161cyclictest26467-21ssh22:08:180
1712899244217cyclictest22955-21ssh00:13:570
1712899244213cyclictest2958-21gmain23:41:360
1712899244193cyclictest17157-21munin-node0
1712899244184cyclictest20777-21ssh21:43:250
1712899243212cyclictest893-21df20:17:420
1712899242214cyclictest25723-21ntp_states22:04:260
1712899242195cyclictest2720-21lxpanel21:52:510
1712899241213cyclictest18615-21ssh23:55:070
1712899240216cyclictest31600-21ps20:09:020
1712899240216cyclictest24652-21munin-run00:22:190
1712899240214cyclictest5604-21latency_hist20:37:410
1712899240174cyclictest25047-21perl00:23:260
1712899239215cyclictest29970-21ssh22:23:290
1712899239214cyclictest1217-21nfs4_client22:39:220
1712899239211cyclictest24262-21ssh21:58:310
1712899239209cyclictest30952-21latency_hist22:28:010
1712899239208cyclictest24147-21sshd19:37:400
1712899238215cyclictest20405-21munin-run21:42:300
1712899238207cyclictest13971-21perl21:13:330
1712899237213cyclictest21240-21/usr/sbin/munin00:07:350
1712899237212cyclictest19699-21sh23:59:360
1712899237209cyclictest2907-21grep20:24:200
1712899237209cyclictest12289-21ssh23:27:570
1712899237208cyclictest6419-21munin-run23:02:450
1712899237208cyclictest2220-21ssh22:43:530
1712899237207cyclictest21581-21ssh00:08:210
1712899237206cyclictest12625-21chrt21:08:120
1712899237171cyclictest12368-21munin-run21:07:210
1712899236212cyclictest4813-21munin-node0
1712899236212cyclictest13512-21fschecks_count23:33:130
1712899236209cyclictest26281-21irqstats00:28:470
1712899236208cyclictest28781-21grep19:57:410
1712899236207cyclictest2939-21netwatch23:32:470
1712899236205cyclictest26296-21munin-run19:47:160
1712899236167cyclictest26763-21munin-node0
1712899235204cyclictest18235-21df21:32:530
1712899235173cyclictest15676-21ssh21:21:180
1712899235170cyclictest22238-21ntpq19:28:270
1712899234207cyclictest17897-21df23:52:440
1712899232204cyclictest29767-21munin-node0
1712899232204cyclictest18529-21cut19:12:550
1712899232203cyclictest10913-21timerandwakeup20:59:230
1712899232202cyclictest20168-21grep19:19:110
1712899232201cyclictest8061-21irqstats23:08:590
1712899231203cyclictest3483-21ssh22:48:540
1712899230166cyclictest1607-21sed20:19:200
1712899229202cyclictest21141-21ntp_states19:23:390
1712899229168cyclictest6321-21cat20:39:250
1712899229167cyclictest7797-21munin-node0
1712899228207cyclictest29628-21runrttasks20:00:400
1712899210183cyclictest17065-21latency_hist19:07:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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