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2025-11-15 - 16:20
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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 highest latencies:
System rack7slot3.osadl.org (updated Sat Nov 15, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18277279721sleep18280-21if_err_eth007:02:050
1917899264235cyclictest28737-21if_eth012:33:070
1917899259233cyclictest27313-21netwatch12:27:170
1917899259231cyclictest1141-21processes08:08:300
1917899254229cyclictest22625-21munin-node0
1917899254206cyclictest31313-21munin-run10:21:540
1917899254178cyclictest24566-21idleruntime-cro09:51:420
1917899253228cyclictest16732-21cpu09:16:580
1917899252224cyclictest19377-21grep07:07:150
191789925148cyclictest8140-21latency_hist11:02:140
1917899251191cyclictest6537-21ssh10:54:310
191789925050cyclictest27805-21ntp_states07:43:220
1917899250219cyclictest2938-21runrttasks10:25:200
1917899250185cyclictest21967-21ssh09:39:160
1917899249228cyclictest19172-21cyclictest09:27:590
1917899249222cyclictest17769-21ssh11:44:320
1917899249218cyclictest23777-21munin-node0
191789924852cyclictest17131-21df11:42:190
1917899248224cyclictest21656-21ssh12:02:260
1917899248216cyclictest18404-21memory09:23:330
191789924647cyclictest26041-21munin-run07:36:430
1917899246223cyclictest29690-21rm10:13:310
1917899246219cyclictest11449-21cpuspeed11:17:010
1917899246217cyclictest26127-21latency_hist12:22:100
1917899246217cyclictest22902-21memory09:43:230
1917899246215cyclictest14761-21munin-node0
191789924551cyclictest22588-21munin-run12:06:450
1917899245213cyclictest27045-21df_inode10:02:240
1917899245180cyclictest12129-21cpu08:56:560
191789924354cyclictest5729-21munin-run10:51:570
1917899243219cyclictest26933-21head07:38:510
1917899243219cyclictest12519-21cpu11:21:570
1917899243218cyclictest1723-21awk10:33:270
1917899243217cyclictest9136-21memory08:42:480
1917899243216cyclictest22382-21chrt07:18:570
1917899243215cyclictest4235-21ntp_states10:44:120
1917899243215cyclictest27683-21ssh12:28:260
1917899243211cyclictest4770-21processes08:23:310
1917899242215cyclictest22936-21fschecks_time12:07:490
1917899242215cyclictest19128-21ssh11:51:130
191789924151cyclictest367-21perl10:27:560
1917899241217cyclictest10697-21grep08:48:500
1917899241211cyclictest9552-21ssh11:08:000
1917899240213cyclictest21095-21dpkg07:13:430
1917899240211cyclictest28954-21ifplugd08:32:320
1917899240210cyclictest30870-21forks07:57:200
1917899240176cyclictest13473-21forks09:02:230
191789923949cyclictest20008-21rm11:54:320
191789923948cyclictest20695-21memory09:33:280
1917899239215cyclictest25425-21ssh09:54:520
191789923854cyclictest2720-21lxpanel10:41:000
191789923849cyclictest7712-21df_inode08:37:160
191789923848cyclictest12692-21ntp_states08:58:060
1917899238214cyclictest17803-21ssh09:21:400
1917899238213cyclictest28850-21sh10:10:070
1917899238213cyclictest14780-21perl09:07:550
1917899238206cyclictest6519-21ls08:32:040
1917899238177cyclictest609-21df08:07:010
191789923753cyclictest13080-21memory11:23:400
1917899237209cyclictest8748-21ssh11:04:130
191789923650cyclictest3533-21ntp_states08:18:230
191789923649cyclictest2829-21sendmail-mta07:50:020
1917899236213cyclictest24490-21chrt12:14:130
1917899236209cyclictest1875-21fschecks_count08:12:190
1917899236209cyclictest14665-21rm11:31:230
1917899235207cyclictest29973-21sleep07:52:490
1917899235206cyclictest27425-21ssh10:03:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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