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2026-06-24 - 15:37
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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 Jun 24, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14308221127,50sleep00-21swapper/019:05:420
148969915271,37cyclictest25929-21apt-get22:02:130
148969914173,27cyclictest1408-21nginx19:15:430
148969913965,37cyclictest4766-21ntp_states22:40:400
148969913870,25cyclictest954-21diskstats20:20:230
148969913865,27cyclictest29605-21cron00:20:020
148969913862,36cyclictest20866-21sendmail_mailst19:30:460
148969913764,34cyclictest2623-21grep22:35:000
148969913666,38cyclictest3355-21df_inode22:35:310
148969913662,36cyclictest8836-21users20:50:500
148969913659,37cyclictest26396-21/usr/sbin/munin00:06:070
148969913569,31cyclictest15838-21wget21:20:160
148969913568,45cyclictest754-21systemd-journal21:40:010
148969913561,36cyclictest28090-21ntp_states22:05:460
148969913561,21cyclictest13273-21df23:15:170
148969913457,21cyclictest29130-21diskstats22:10:230
148969913376,44cyclictest787-21haveged21:18:070
148969913364,49cyclictest25465-21munin-plugin-st00:05:000
148969913364,48cyclictest1305-21snmpd22:51:260
148969913361,55cyclictest24349-21apt-config19:45:160
148969913361,35cyclictest13608-21ntp_states21:10:430
148969913287,23cyclictest27329-21ntp_states19:55:420
148969913264,50cyclictest15262-21/usr/sbin/munin19:10:570
148969913260,34cyclictest5616-21apt20:40:010
148969913260,22cyclictest24187-21/usr/sbin/munin00:00:060
148969913163,51cyclictest7016-21wget20:45:120
148969913162,48cyclictest24803-21/usr/sbin/munin21:55:230
148969913157,37cyclictest1305-21snmpd20:33:580
148969913157,19cyclictest22151-21diskstats21:45:250
148969913148,39cyclictest32681-21apt-get20:17:050
148969913065,47cyclictest27464-21runrttasks00:10:240
148969913053,23cyclictest20788-21diskstats23:45:220
148969912963,46cyclictest18076-21/usr/sbin/munin23:35:120
148969912961,26cyclictest21978-21/usr/sbin/munin23:50:160
148969912959,32cyclictest2076-21wget20:25:160
148969912958,51cyclictest30047-21runrttasks20:05:480
148969912957,33cyclictest28409-21diskstats20:00:220
148969912867,21cyclictest19400-21irqstats19:25:320
148969912849,22cyclictest23061-21apt-get21:52:120
148969912765,20cyclictest23234-21ntp_states19:40:400
148969912754,35cyclictest5836-21wget20:40:130
148969912744,31cyclictest14598-21fw_forwarded_lo23:20:270
148969912682,30cyclictest30561-21ntp_states22:15:440
148969912667,40cyclictest805-21rs:main0
148969912666,40cyclictest10250-21sshd23:03:040
148969912664,19cyclictest10920-21df_inode21:00:190
148969912659,49cyclictest20931-21fw_conntrack21:40:240
148969912658,34cyclictest1305-21snmpd21:34:120
148969912657,52cyclictest22007-21/usr/sbin/munin19:35:470
148969912657,51cyclictest17921-21wget19:20:140
148969912656,35cyclictest5898-21/usr/sbin/munin22:45:280
148969912571,37cyclictest8195-21wget22:55:140
148969912563,43cyclictest30761-21wget20:10:130
148969912463,19cyclictest31669-21fw_conntrack22:20:260
148969912456,45cyclictest29803-21aten_r7power_en00:20:140
148969912357,31cyclictest25916-21chrt19:50:300
148969912356,32cyclictest15603-21sshd23:25:130
148969912354,35cyclictest16900-21wget23:30:150
148969912352,39cyclictest390-21diskstats00:30:250
148969912279,33cyclictest32675-21runrttasks22:25:110
148969912275,37cyclictest1774-21runrttasks00:35:330
148969912255,33cyclictest10617-21hostname23:05:130
148969912153,49cyclictest9660-21df20:55:210
148969912077,32cyclictest12212-21ntpq23:10:370
148969912073,31cyclictest1408-21nginx23:41:390
148969911962,37cyclictest12886-21sshd21:08:200
148969911869,38cyclictest17154-21df21:25:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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