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2025-12-26 - 11:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Fri Dec 26, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501850,0irq/46-4a10000026490-21runrttasks19:09:160
266019910467,0cyclictest13802-21chrt21:40:010
266019910376,0cyclictest5980-21ntpdc22:50:390
266019910369,0cyclictest11126-21run-parts19:55:540
266019910269,0cyclictest29883-21kernelversion00:00:380
266019910264,0cyclictest15092-21runrttasks20:08:210
266019910163,0cyclictest16020-21memory20:10:340
266019910079,0cyclictest6374-21sshd19:42:060
266019910066,0cyclictest27391-21sendmail-msp22:19:520
266019910065,0cyclictest20942-21sed22:00:140
26601999978,0cyclictest382-21df22:35:080
26601999978,0cyclictest3440-21runrttasks00:18:550
26601999978,0cyclictest26170-21df_abs23:50:130
26601999977,0cyclictest13573-21munin-run20:04:480
26601999976,0cyclictest27590-21aten_r4power_po22:20:050
26601999974,0cyclictest28245-21ntpdc23:55:370
26601999973,0cyclictest19678-21ntpdc20:21:560
26601999968,0cyclictest15796-21cat23:20:070
26601999964,0cyclictest9859-21/usr/sbin/munin23:01:100
26601999964,0cyclictest7222-21cstates22:55:080
26601999963,0cyclictest29099-21/usr/sbin/munin19:15:250
26601999962,0cyclictest17346-21df20:15:120
26601999962,0cyclictest14492-21memory23:15:360
26601999878,0cyclictest9468-21grep00:35:380
26601999878,0cyclictest29101-21/usr/sbin/munin20:50:540
26601999876,0cyclictest4689-21users22:45:560
26601999876,0cyclictest26160-21fw_forwarded_lo20:40:300
26601999875,0cyclictest32552-21runrttasks00:09:320
26601999863,0cyclictest21769-21runrttasks20:27:000
26601999777,0cyclictest24773-21meminfo23:45:350
26601999775,0cyclictest7461-21meminfo19:45:310
26601999773,0cyclictest6941-21apt-get21:20:010
26601999773,0cyclictest12698-21irqstats23:10:300
26601999772,0cyclictest521-21perl21:00:250
26601999772,0cyclictest13138-21users21:35:510
26601999771,0cyclictest8243-21sshd00:31:060
26601999771,0cyclictest2228-21fschecks_time21:05:190
26601999769,0cyclictest25565-21sendmail-msp20:39:500
26601999764,0cyclictest22329-21sendmail-msp23:40:090
26601999763,0cyclictest460-21snmpd23:09:280
26601999761,0cyclictest28405-21chown19:14:500
26601999677,0cyclictest29929-21meminfo22:26:240
26601999675,0cyclictest3244-21runrttasks22:43:040
26601999675,0cyclictest10137-21munin-run19:54:470
26601999673,0cyclictest4263-21irqstats00:20:380
26601999673,0cyclictest4041-21irqstats21:10:310
26601999673,0cyclictest15968-21fw_forwarded_lo21:45:240
26601999663,0cyclictest31291-21seq19:20:340
26601999663,0cyclictest23598-21runrttasks20:33:040
26601999662,0cyclictest27504-21wget20:45:070
26601999577,0cyclictest6047-21seq00:25:380
26601999576,0cyclictest10363-21seq21:29:580
26601999575,0cyclictest31453-21memory20:55:440
26601999575,0cyclictest17247-21copy23:25:160
26601999575,0cyclictest1542-21runrttasks00:12:260
26601999574,0cyclictest19486-21fw_conntrack23:30:270
26601999574,0cyclictest19382-21fw_forwarded_lo21:55:230
26601999573,0cyclictest5529-21df_inode21:15:160
26601999573,0cyclictest21345-21memory23:35:380
26601999572,0cyclictest32457-21apt-get19:25:010
26601999570,0cyclictest31998-21users22:30:570
26601999570,0cyclictest24676-21memory22:10:350
26601999475,0cyclictest5002-21munin-run19:39:480
26601999474,0cyclictest2024-21diskstats19:30:150
26601999470,0cyclictest22825-21fw_forwarded_lo22:05:260
26601999372,0cyclictest8702-21/usr/sbin/munin21:25:040
26601999371,0cyclictest17511-21df_inode21:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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