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2025-10-27 - 12:51
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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 376 highest latencies:
System rack4slot3.osadl.org (updated Mon Oct 27, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
152959915414,75cyclictest10014-21grep22:13:510
152959914315,70cyclictest11234-21iostat23:58:200
152959914314,69cyclictest9172-21munin-node23:53:240
14071212218,24sleep014086-21iostat19:08:130
22697210114,16sleep022695-21ntp_states22:53:370
959129914,15sleep09587-21ntp_states20:33:380
2502329914,16sleep025024-21automount00:40:360
2050329914,15sleep020504-21fschecks_time19:28:150
15295999615,71cyclictest30509-21perl23:18:160
2743829514,16sleep027436-21ntp_states21:28:340
1970629414,15sleep019734-21timerwakeupswit22:43:490
15295999416,69cyclictest4297-21munin-node23:37:590
15295999414,70cyclictest4416-21fschecks_count21:58:140
15295999414,70cyclictest1394-21sh20:08:390
129529414,15sleep01298-21irqstats21:48:240
807829314,16sleep08079-21ntp_states22:08:350
15295999315,68cyclictest5808-21cut22:03:020
15295999314,70cyclictest17173-21munin-node22:38:180
15295999314,69cyclictest15805-21idleruntime20:53:180
15295999214,69cyclictest7355-21seq20:28:050
15295999214,68cyclictest25519-21munin-node23:03:120
2419029114,15sleep024188-21ntp_states21:18:330
1774329114,15sleep017768-21cut00:18:230
15295999115,66cyclictest21930-21munin-node21:13:210
15295999115,38cyclictest8069-21chrt23:48:260
15295999114,68cyclictest25541-21latency19:43:240
15295999114,68cyclictest17590-21open_files19:18:360
15295999114,67cyclictest28969-21munin-node23:13:200
15295999113,69cyclictest3874-21sshd20:17:150
2095829014,16sleep020303-21munin-node21:08:380
15295999015,40cyclictest26900-21chrt19:48:130
15295999014,67cyclictest3217-21snmpd20:01:390
15295999014,67cyclictest30795-21rt-features21:38:390
15295999014,67cyclictest19349-21interrupts00:23:220
1519629013,15sleep00-21swapper00:09:530
1099729013,15sleep010998-21irqstats20:38:230
15295998915,65cyclictest17786-21processes20:58:390
15295998915,64cyclictest3177-21ntpq21:53:350
15295998914,66cyclictest32350-21munin-node21:43:380
15295998914,66cyclictest18877-21fschecks_time19:23:130
15295998914,66cyclictest16079-21munin-node19:13:390
15295998914,39cyclictest4454-21if_err_eth020:18:170
15295998815,64cyclictest13742-21sshd00:06:150
15295998814,65cyclictest19275-21netstat21:03:310
15295998814,65cyclictest16434-21munin-node22:33:460
15295998814,64cyclictest29488-21seq19:55:150
2374728714,60sleep023428-21munin-node19:38:140
15295998714,64cyclictest3533-21runrttasks22:58:240
15295998714,64cyclictest12850-21missed_timers22:23:270
15295998714,63cyclictest3533-21runrttasks22:28:030
2663928614,15sleep00-21swapper21:27:320
15295998614,63cyclictest3533-21runrttasks20:46:190
15295998614,35cyclictest21105-21proc_pri22:48:360
385528514,15sleep00-21swapper23:35:100
15295998514,62cyclictest26948-21runrttasks23:08:060
15295998514,61cyclictest31542-21munin-node20:03:070
1183228513,15sleep00-21swapper22:19:580
645528414,16sleep015294-21cyclictest23:43:290
15295998414,61cyclictest6402-21processes20:23:380
15295998414,33cyclictest296252sleep021:35:240
2363528214,15sleep00-21swapper00:37:300
188828214,15sleep01924-21ls23:28:510
1719128214,15sleep017224-21latency_hist00:17:510
2286728114,15sleep00-21swapper19:34:120
15295998115,29cyclictest14712-21munin-node20:48:480
3259528014,56sleep032597-21swap23:23:460
2196628013,15sleep00-21swapper00:32:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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