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2026-06-18 - 18:26
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Thu Jun 18, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18346991679,136cyclictest3630-21sh00:28:330
18346991676,98cyclictest29777-21apt-get22:02:140
18346991648,116cyclictest2746-21apt-get22:18:270
18346991647,137cyclictest25059-21ntp_states19:35:410
183469916215,106cyclictest1408-21nginx21:16:160
18346991597,103cyclictest13109-21apt-get22:57:130
183469915824,112cyclictest1305-21snmpd23:00:390
18346991579,90cyclictest3718-21apt-get20:22:080
18346991579,108cyclictest20840-21wget21:25:120
18346991577,97cyclictest27036-21apt-get19:46:230
18346991576,94cyclictest28805-21fw_forwarded_lo00:00:290
183469915747,94cyclictest3650irq/20-4900000019:55:160
183469915742,103cyclictest7444-21runrttasks20:30:520
183469915739,85cyclictest10250irq/56-4a10000022:14:580
18346991569,92cyclictest1-21systemd00:09:510
18346991569,106cyclictest22581-21df21:30:250
18346991569,103cyclictest2964-21ntp_states20:15:380
18346991567,129cyclictest27554-21if_eth023:55:280
183469915623,113cyclictest1408-21nginx23:48:190
183469915538,106cyclictest18832-21chrt23:20:280
18346991548,124cyclictest19018-21xargs19:10:460
18346991547,128cyclictest9576-21wget22:45:130
18346991537,123cyclictest26044-21/usr/sbin/munin23:50:270
183469915353,84cyclictest101ktimersoftd/023:15:380
183469915339,102cyclictest13501-21df20:55:160
183469915338,104cyclictest21443-21runrttasks23:30:370
183469915328,104cyclictest27056-21cat19:45:030
183469915239,100cyclictest5865-21ntpq20:25:380
183469915219,112cyclictest1321-21/usr/sbin/munin20:10:320
183469915210,120cyclictest16307-21fw_forwarded_lo23:10:280
18346991519,109cyclictest24328-21seq21:36:040
18346991518,89cyclictest32528-21diskstats00:15:220
18346991518,108cyclictest22972-21sshd19:27:170
18346991517,123cyclictest24019-21processes23:40:440
18346991508,103cyclictest31303-21wget20:00:110
183469915021,110cyclictest1408-21nginx21:21:170
183469915019,91cyclictest10250irq/56-4a10000020:46:080
183469915010,109cyclictest25124-21df21:40:160
18346991498,105cyclictest4475-21ntp_states00:30:420
18346991496,106cyclictest21318-21/usr/sbin/munin19:20:360
18346991488,107cyclictest3930-21seq22:21:230
18346991487,99cyclictest17078-21aten_r7power_cu21:10:120
18346991487,106cyclictest20223-21ntp_states23:25:430
18346991487,105cyclictest22701-21ntp_states23:35:420
17891214884,29sleep00-21swapper/019:06:450
18346991478,119cyclictest5298-21chrt22:27:280
18346991476,130cyclictest12162-21wget20:50:130
183469914739,98cyclictest9211-21runrttasks20:37:560
183469914638,97cyclictest9345-21latency_hist22:45:020
183469914638,95cyclictest19862-21df_inode19:15:190
183469914623,104cyclictest5781-21wget22:30:120
18346991459,123cyclictest31743-21diskstats22:05:240
18346991457,104cyclictest15065-21fw_forwarded_lo23:05:250
183469914542,88cyclictest8950irq/40-mmc119:52:220
183469914531,103cyclictest754-21systemd-journal00:12:460
18346991447,121cyclictest14688-21wget21:00:150
183469914453,83cyclictest29827-21latency_hist22:00:070
18346991437,93cyclictest26406-21fw_conntrack21:45:240
18346991436,85cyclictest442-21ntp_states20:05:410
183469914316,96cyclictest787-21haveged20:40:170
18346991426,121cyclictest7046-21wget22:35:120
183469914243,88cyclictest1726-21/usr/sbin/munin00:20:470
183469914236,94cyclictest787-21haveged21:07:000
183469914232,100cyclictest11080-21ntpq22:50:360
18346991418,120cyclictest27605-21df21:50:190
18346991417,122cyclictest23781-21ntpq19:30:360
183469914134,96cyclictest5483-21cpu00:35:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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