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2026-05-13 - 16:31
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Wed May 13, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
445219820,46sleep00-21swapper/019:09:580
517991637,115cyclictest1305-21snmpd21:49:390
517991628,106cyclictest8343-21diskstats19:40:210
5179915830,111cyclictest17406-21scp00:27:290
5179915810,107cyclictest18009-21wget00:30:140
517991578,129cyclictest24896-21df20:45:180
517991576,105cyclictest14543-21apt-get00:17:050
5179915744,102cyclictest4890-21runrttasks21:34:010
517991565,98cyclictest29567-21apt-get21:07:100
5179915638,96cyclictest9287-21runrttasks21:50:430
517991559,108cyclictest5503-21ntp_states23:41:230
517991559,106cyclictest22404-21df20:35:250
517991558,106cyclictest26573-21munin-run23:00:020
5179915510,108cyclictest10428-21ntp_states00:00:420
517991538,122cyclictest6354-21wget23:45:140
517991538,108cyclictest1592-21users23:26:350
5179915339,102cyclictest12490-21munin-plugin-st22:05:010
5179915332,109cyclictest17612-21runrttasks20:17:060
5179915326,108cyclictest24203-21/usr/sbin/munin22:50:120
5179915227,107cyclictest787-21haveged20:30:270
5179915210,102cyclictest15434-21ntp_states00:20:400
517991519,99cyclictest23154-21df22:45:240
517991519,99cyclictest19217-21ntp_states22:30:400
517991518,90cyclictest14747-21ntp_states20:05:420
517991518,121cyclictest1276-21runrttasks23:05:250
517991517,122cyclictest1305-21snmpd22:24:110
5179915148,93cyclictest21217-21grep22:40:020
5179915129,110cyclictest4518-21systemctl23:40:020
5179915125,85cyclictest404-21netstat21:15:340
5179915120,92cyclictest1408-21nginx00:38:320
517991508,122cyclictest26033-21wget20:50:140
517991508,108cyclictest5321-21df21:35:190
517991508,103cyclictest29408-21fw_conntrack23:10:250
517991507,89cyclictest7708-21df_inode23:50:190
517991507,88cyclictest1615-21diskstats21:20:230
517991507,103cyclictest10824-21sshd21:56:400
5179915037,101cyclictest28482-21runrttasks21:00:140
5179915023,114cyclictest31184-21apt-get23:17:110
517991499,98cyclictest12841-21fw_forwarded_lo22:05:270
517991498,98cyclictest11362-21seq00:05:240
517991497,122cyclictest18782-21runrttasks20:21:180
5179914934,102cyclictest19534-21seq20:25:170
517991489,97cyclictest31506-21df21:10:200
517991487,102cyclictest2948-21irqstats21:25:300
5179914854,85cyclictest9376-21awk23:55:540
517991478,117cyclictest22476-21gpgv22:45:040
5179914730,101cyclictest10250irq/56-4a10000023:30:140
5179914723,105cyclictest10250irq/56-4a10000023:03:120
5179914639,95cyclictest13658-21latency_hist00:15:030
517991457,87cyclictest5733-21aten_r7power_vo19:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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