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2026-08-30 - 12:17
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Sat Aug 29, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13865220529,49sleep00-21swapper/007:07:440
141969919324,15cyclictest1408-21nginx08:40:460
14196991657,30cyclictest22913-21aten_r7power_en12:00:140
141969916336,116cyclictest1408-21nginx12:15:240
141969916323,18cyclictest1285-21lldpd10:29:090
141969916140,108cyclictest30642-21awk12:30:290
141969916139,110cyclictest22829-21runrttasks09:50:510
141969916127,18cyclictest14161-21apt-get09:17:060
14196991609,27cyclictest805-21rs:main0
14196991609,21cyclictest22005-21/usr/sbin/munin09:50:040
141969916036,13cyclictest10150irq/55-4a10000011:10:160
141969915938,109cyclictest24129-21ntpq09:55:380
141969915937,22cyclictest1325-21ntpq08:25:400
141969915935,106cyclictest10250irq/56-4a10000008:49:490
141969915835,111cyclictest24317-21runrttasks12:05:200
141969915738,107cyclictest25783-21ntpq12:10:430
141969915642,102cyclictest6776-21runrttasks10:55:220
14196991558,40cyclictest23125-21wget07:45:140
141969915535,108cyclictest31605-21apt-get08:20:290
141969915525,17cyclictest30781-21sshd08:15:350
141969915448,96cyclictest22067-21seq07:40:290
141969915439,13cyclictest10150irq/55-4a10000007:20:020
141969915429,109cyclictest10250irq/56-4a10000009:00:160
14196991525,21cyclictest24638-21ntp_states07:50:390
141969915240,16cyclictest10250irq/56-4a10000008:05:070
141969915231,11cyclictest0-21swapper/010:45:090
141969915225,23cyclictest1305-21snmpd11:03:080
141969915210,19cyclictest26642-21ntp_states10:05:410
141969915135,16cyclictest10250irq/56-4a10000010:04:540
141969915133,19cyclictest20166-21sshd07:33:070
141969915122,16cyclictest20514-21/usr/sbin/munin07:35:360
141969915037,16cyclictest15005-21runrttasks07:11:390
141969915037,15cyclictest18277-21runrttasks11:40:380
141969915037,102cyclictest18593-21runrttasks09:35:220
141969915033,12cyclictest10150irq/55-4a10000011:20:210
141969915026,23cyclictest1305-21snmpd11:15:070
141969914939,99cyclictest21684-21aten_r7power_po11:55:140
141969914939,15cyclictest6158-21latency_hist10:55:070
141969914923,16cyclictest17147-21/usr/sbin/munin09:30:370
141969914853,85cyclictest27583-21aten_r7power_vo10:10:140
141969914834,17cyclictest30159-21runrttasks12:29:180
141969914810,29cyclictest10282-21latency_hist11:10:040
14196991476,31cyclictest1305-21snmpd10:25:030
141969914728,21cyclictest16910-21grep07:20:130
14196991468,47cyclictest17035-21ntp_states11:35:440
14196991467,32cyclictest16684-21sshd09:27:080
14196991466,17cyclictest32034-21/usr/sbin/munin12:35:140
141969914634,95cyclictest101ktimersoftd/009:10:280
141969914628,21cyclictest26618-21systemctl08:00:010
14196991459,31cyclictest30005-21sshd08:12:070
14196991458,14cyclictest7397-21fw_conntrack08:50:250
141969914542,95cyclictest29175-21wc10:15:450
141969914541,93cyclictest10250irq/56-4a10000007:25:140
141969914541,92cyclictest1276-21runrttasks11:45:200
141969914535,15cyclictest1276-21runrttasks08:00:360
141969914534,13cyclictest20603-21seq09:43:410
141969914529,17cyclictest2010-21node12:21:270
141969914527,27cyclictest14921-21if_err_eth009:20:270
141969914523,18cyclictest8623-21entropy08:55:230
141969914442,90cyclictest32751-21if_eth010:30:300
141969914441,84cyclictest10150irq/55-4a10000011:30:250
141969914436,97cyclictest20616-21runrttasks11:50:300
141969914427,18cyclictest2952-21ntpq10:40:410
14196991439,17cyclictest1488-21df_inode10:35:210
141969914335,17cyclictest4634-21date08:40:040
141969914231,13cyclictest0-21swapper/009:05:280
141969914122,15cyclictest0-21swapper/011:25:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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