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2026-01-07 - 16:36
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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 Wed Jan 07, 2026 13:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27470222934,57sleep00-21swapper/007:07:090
27885991618,116cyclictest478-21fw_conntrack11:40:270
278859916132,108cyclictest22601-21sh11:00:010
27885991599,108cyclictest14566-21df_inode12:35:200
27885991597,130cyclictest13528-21sshd12:30:410
278859915932,109cyclictest10250irq/56-4a10000010:04:470
27885991589,127cyclictest8895-21wget08:00:140
27885991586,130cyclictest9589-21/usr/sbin/munin12:15:480
278859915811,112cyclictest27601-21munin-run11:20:030
27885991577,127cyclictest14227-21chrt10:25:200
278859915722,116cyclictest6398-21wget07:50:140
27885991569,107cyclictest1672-21memory07:31:020
27885991568,17cyclictest23974-21apt-get09:02:130
27885991568,114cyclictest28984-21apt-get09:17:090
27885991566,99cyclictest10150irq/55-4a10000011:45:240
27885991566,14cyclictest17435-21runrttasks08:32:220
27885991566,129cyclictest12270-21apt-get10:22:110
278859915610,20cyclictest1270-21wget09:35:150
27885991549,107cyclictest22743-21/usr/sbin/munin11:00:240
27885991548,91cyclictest15679-21fw_forwarded_lo08:25:470
27885991548,109cyclictest21795-21df08:50:170
27885991547,15cyclictest27820-21apt-get07:12:090
27885991547,15cyclictest134022sleep008:18:070
27885991547,124cyclictest11602-21awk08:10:350
278859915423,110cyclictest2542-21/usr/sbin/munin07:35:260
27885991528,13cyclictest16912-21ntpq10:35:400
27885991528,123cyclictest32545-21df09:30:180
27885991527,104cyclictest18386-21runrttasks10:40:480
27885991518,19cyclictest20764-21ntp_states08:45:400
27885991517,13cyclictest11387-21apt-get12:27:110
278859915145,94cyclictest31519-21runrttasks09:26:050
278859915136,104cyclictest4413-21chrt11:55:400
278859915135,104cyclictest7917-21ntpq07:55:400
278859915120,114cyclictest1305-21snmpd10:46:560
27885991506,20cyclictest32513-21awk07:25:430
278859915027,102cyclictest27001-21wget09:10:120
278859915010,124cyclictest19519-21ntp_states08:40:400
27885991499,104cyclictest5041-21/usr/sbin/munin07:45:170
27885991498,98cyclictest10295-21ntp_states10:10:420
27885991497,16cyclictest20646-21ntp_states10:50:440
27885991497,124cyclictest24038-21wget11:05:130
27885991496,124cyclictest24049-21apt-config09:00:080
27885991489,106cyclictest1305-21snmpd11:37:090
27885991477,17cyclictest15504-21fw_conntrack10:30:260
27885991477,15cyclictest1305-21snmpd07:18:230
27885991476,18cyclictest31975-21latency_hist07:25:030
278859914741,95cyclictest4523-21runrttasks07:41:380
278859914721,111cyclictest8674-21runrttasks10:05:130
27885991467,118cyclictest5637-21seq12:00:360
278859914641,94cyclictest29089-21cut11:25:150
278859914630,104cyclictest14167-21ntp_states08:20:390
278859914622,112cyclictest6919-21runrttasks12:05:420
27885991458,125cyclictest1305-21snmpd11:10:400
27885991456,17cyclictest4920-21/usr/sbin/munin09:50:160
278859914548,86cyclictest10656-21sshd12:20:380
27885991448,97cyclictest8208-21grep12:10:430
27885991448,17cyclictest10207-21df08:05:180
27885991447,118cyclictest805-21rs:main0
27885991446,119cyclictest1305-21snmpd09:20:480
278859914420,112cyclictest754-21systemd-journal11:34:170
278859914410,121cyclictest6249-21cut09:55:160
278859914317,107cyclictest1305-21snmpd09:09:390
27885991429,120cyclictest18058-21seq08:35:160
27885991428,122cyclictest3892-21seq09:45:220
278859914232,97cyclictest3560-21latency_hist09:45:040
278859914224,106cyclictest27831-21runrttasks11:20:150
27885991408,96cyclictest2864-21wget11:50:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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