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2025-12-06 - 06:46
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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 Dec 06, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24317221630,49sleep00-21swapper/019:09:580
243889915884,54cyclictest1801-21node23:48:280
243889915266,49cyclictest1424-21nginx23:58:310
243889914581,22cyclictest25029-21df_inode21:15:330
243889914379,46cyclictest17116-21cat22:50:280
243889914270,34cyclictest1356-21snmpd19:10:480
243889913966,21cyclictest1378-21diskstats19:45:200
243889913964,20cyclictest18379-21diskstats20:50:210
243889913964,19cyclictest28721-21/usr/sbin/munin19:25:210
243889913874,43cyclictest1424-21nginx22:36:280
243889913871,47cyclictest1356-21snmpd21:44:400
243889913861,58cyclictest6474-21gpgv20:05:050
243889913774,23cyclictest1336-21runrttasks23:30:290
243889913773,24cyclictest24407-21runrttasks23:18:260
243889913765,53cyclictest1356-21snmpd20:13:030
243889913762,54cyclictest17024-21/usr/sbin/munin20:45:140
243889913659,39cyclictest18338-21fw_conntrack22:55:280
243889913658,26cyclictest12084-21diskstats22:30:230
243889913563,53cyclictest1356-21snmpd19:42:560
243889913460,37cyclictest7613-21apt-get00:18:270
243889913386,37cyclictest7304-21irqstats20:05:580
243889913364,47cyclictest2577-21munin-node21:55:130
243889913360,53cyclictest8892-21apt-get22:17:140
243889913358,19cyclictest2289-21https21:55:050
243889913273,43cyclictest792-21haveged00:33:260
243889913273,40cyclictest1356-21snmpd23:37:010
243889913269,48cyclictest11603-21seq20:23:060
243889913264,47cyclictest12324-21grep20:25:400
243889913258,37cyclictest19762-21ntp_states23:00:420
243889913255,36cyclictest26319-21users19:15:480
243889913174,37cyclictest1356-21snmpd19:35:400
243889913167,48cyclictest1356-21snmpd23:52:560
243889913162,47cyclictest815-21rs:main0
243889913156,34cyclictest4323-21memory22:00:320
243889913079,21cyclictest1356-21snmpd00:10:390
243889913061,50cyclictest10577-21sendmail20:20:000
243889913059,51cyclictest23753-21seq21:10:490
243889913055,35cyclictest14675-21irqstats22:40:310
243889912962,50cyclictest10639-21/usr/sbin/munin22:25:330
243889912959,39cyclictest3559-21apt-get19:56:380
243889912959,34cyclictest26629-21diskstats23:25:440
243889912956,34cyclictest21000-21ntp_states23:05:430
243889912955,33cyclictest9428-21wget22:20:160
243889912870,39cyclictest7734-21apt-config22:15:080
243889912760,47cyclictest16545-21seq20:42:460
243889912669,39cyclictest22076-21fw_conntrack23:10:260
243889912659,50cyclictest19505-21chrt20:55:140
243889912561,31cyclictest15564-21munin-run20:40:010
243889912555,34cyclictest1356-21snmpd00:08:200
243889912480,34cyclictest16007-21/usr/sbin/munin22:45:400
243889912473,41cyclictest24942-21df_inode23:20:190
243889912468,45cyclictest1356-21snmpd21:06:390
243889912467,38cyclictest14026-21sshd20:32:400
243889912465,40cyclictest28922-21/usr/sbin/munin21:30:370
243889912461,33cyclictest1356-21snmpd19:22:510
243889912458,48cyclictest1356-21snmpd22:08:300
243889912358,24cyclictest31169-21chrt23:44:210
243889912268,36cyclictest2862-21wget00:00:230
243889912261,44cyclictest760-21systemd-journal00:37:420
243889912258,30cyclictest26678-21seq21:20:520
243889912255,30cyclictest9446-21wget00:25:170
243889912166,43cyclictest27707-21ntpq21:25:430
243889912163,37cyclictest1356-21snmpd00:23:470
243889912161,20cyclictest30055-21df19:30:200
243889912158,41cyclictest20677-21munin-node21:00:120
243889912152,19cyclictest30256-21seq21:35:460
243889911969,37cyclictest2733-21irqstats19:50:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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