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2026-01-11 - 17:54
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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 Sun Jan 11, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2932025480,7sleep029318-21fw_packets07:05:210
302679913750,35cyclictest683-21diskstats11:35:240
302679913455,40cyclictest14734-21memory10:20:330
302679913446,35cyclictest31393-21apt-get09:18:180
302679912953,36cyclictest1294-21find09:25:490
302679912865,44cyclictest6567-21http07:45:040
302679912651,23cyclictest1305-21snmpd08:40:380
302679912554,34cyclictest11072-21runrttasks10:05:420
302679912365,43cyclictest24748-21apt-get08:55:420
302679912348,36cyclictest12296-21ntp_states10:10:400
302679912259,48cyclictest6936-21dpkg07:45:140
302679912258,48cyclictest10250irq/56-4a10000007:55:400
302679912149,31cyclictest2010-21node11:09:030
302679912145,39cyclictest14050-21ntp_states08:10:400
302679912050,51cyclictest21994-21wget10:50:150
302679912047,33cyclictest10332-21sshd12:14:450
302679911945,19cyclictest16379-21diskstats08:20:230
302679911936,32cyclictest1305-21snmpd10:31:100
302679911855,49cyclictest13116-21wget12:25:170
302679911851,32cyclictest31993-21ntp_states07:15:410
302679911848,35cyclictest1305-21snmpd09:05:490
302679911846,52cyclictest26768-21if_eth009:00:270
302679911760,42cyclictest28615-21sshd11:16:150
302679911754,22cyclictest8613-21memory07:50:340
302679911750,45cyclictest1305-21snmpd08:35:350
302679911747,19cyclictest18570-21/usr/sbin/munin10:35:420
302679911746,50cyclictest10982-21awk12:15:400
302679911746,34cyclictest23306-21df10:55:180
302679911746,33cyclictest458-21seq09:24:200
302679911744,34cyclictest2332-21sshd11:40:460
302679911676,30cyclictest1574-21wc07:25:020
302679911657,46cyclictest14890-21chrt08:15:080
302679911653,49cyclictest4258-21wget07:35:150
302679911649,52cyclictest24024-21ntp_states08:50:410
302679911646,37cyclictest1305-21snmpd08:30:340
302679911557,43cyclictest18320-21chrt08:28:160
302679911545,33cyclictest12614-21df_inode08:05:180
302679911452,20cyclictest4753-21irqstats09:40:310
302679911443,18cyclictest21023-21ntp_states10:45:380
302679911441,36cyclictest27356-21ps11:10:430
302679911345,35cyclictest1305-21snmpd11:26:220
302679911344,49cyclictest6818-21latency_hist09:50:030
302679911341,53cyclictest1305-21snmpd11:59:130
302679911340,36cyclictest1928-21fw_forwarded_lo07:25:280
302679911246,29cyclictest3026-21/usr/sbin/munin11:45:140
302679911170,31cyclictest7628-21runrttasks09:51:230
302679911158,40cyclictest801-21dbus-daemon10:00:010
302679911148,44cyclictest2159-21seq09:30:190
302679911143,30cyclictest10250irq/56-4a10000008:03:480
302679911051,21cyclictest12291-21wc12:20:540
302679911049,20cyclictest15474-21/usr/sbin/munin12:35:080
302679911042,49cyclictest24380-21/usr/sbin/munin11:00:160
302679911040,32cyclictest29726-21which11:20:420
302679911038,35cyclictest22624-21fw_forwarded_lo08:45:280
302679910967,32cyclictest6879-21aten_r7power_vo12:00:120
302679910964,35cyclictest4871-21/usr/sbin/munin11:50:490
302679910948,44cyclictest1-21systemd10:42:450
302679910943,48cyclictest1305-21snmpd07:10:050
302679910862,31cyclictest10150irq/55-4a10000011:30:250
302679910769,26cyclictest14399-21awk12:30:120
302679910767,29cyclictest10074-21sshd10:00:580
302679910762,35cyclictest29192-21df_inode09:10:200
302679910748,40cyclictest13776-21sshd10:15:510
302679910739,50cyclictest3470-21if_eth009:35:290
302679910662,33cyclictest9004-21runrttasks12:08:590
302679910656,39cyclictest15901-21fw_forwarded_lo10:25:280
302679910264,30cyclictest3099-21grep07:30:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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