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2026-04-13 - 03:20
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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 Apr 12, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25189214810,10sleep025187-21irqstats07:05:240
260849916745,13cyclictest10150irq/55-4a10000010:00:190
260849916629,30cyclictest2404-21wget12:00:180
260849916548,13cyclictest10150irq/55-4a10000008:55:140
260849916526,15cyclictest0-21swapper/010:41:400
260849916241,23cyclictest6439-21ntpq12:15:400
260849915952,25cyclictest101ktimersoftd/009:50:230
260849915950,15cyclictest18543-21cpu10:55:190
260849915920,28cyclictest11731-21latency_hist12:35:040
260849915726,31cyclictest29890-21wget11:40:290
260849915646,14cyclictest10150irq/55-4a10000011:25:190
260849915350,17cyclictest8185-21sshd12:21:180
260849915349,14cyclictest10150irq/55-4a10000007:55:120
260849915251,18cyclictest23188-21/usr/sbin/munin09:05:090
260849915244,14cyclictest10150irq/55-4a10000008:10:150
260849915145,13cyclictest10150irq/55-4a10000007:17:050
260849915054,14cyclictest2766-21latency_hist07:45:020
260849915048,15cyclictest2929-21/usr/sbin/munin07:45:130
260849915028,46cyclictest0-21swapper/008:25:570
260849914945,16cyclictest14286-21munin-run10:40:020
26084991487,18cyclictest18205-21awk08:45:410
26084991478,28cyclictest29610-21latency_hist11:40:030
260849914644,22cyclictest101ktimersoftd/009:40:420
260849914357,11cyclictest101ktimersoftd/011:00:270
260849914258,11cyclictest101ktimersoftd/012:25:330
260849914255,11cyclictest101ktimersoftd/007:50:410
260849913837,26cyclictest0-21swapper/008:20:220
260849913557,11cyclictest101ktimersoftd/011:55:180
260849913335,10cyclictest101ktimersoftd/007:25:410
350921167,83sleep03532-21netstat09:55:340
2217821115,92sleep022227-21cat11:10:040
260849910992,11cyclictest0-21swapper/007:10:040
2605121085,11sleep026076-21pluginstate09:15:440
2361221015,79sleep023672-21cpu11:15:230
89372995,82sleep08939-21apt-get10:17:020
225502995,83sleep022569-21/usr/sbin/munin09:01:330
171262919,71sleep017128-21fw_forwarded_lo10:50:250
26084999016,15cyclictest0-21swapper/009:26:240
158502885,72sleep015851-21df_inode10:45:200
2608499878,35cyclictest24461-21wget09:10:140
26084998637,13cyclictest32288-21aten_r7power_po11:50:130
167702845,66sleep016771-21diskstats08:40:210
47002835,66sleep04705-21munin-run12:10:030
2608499838,22cyclictest1276-21runrttasks11:32:040
26084998342,9cyclictest101ktimersoftd/010:31:370
26084998339,32cyclictest0-21swapper/012:10:350
26084998237,18cyclictest1123-21proc_pri09:45:430
26084998230,35cyclictest0-21swapper/011:21:340
26084998230,33cyclictest7396-21sshd08:02:190
26084998216,17cyclictest1305-21snmpd10:08:200
2608499819,36cyclictest9838-21ntp_states10:20:410
2608499819,20cyclictest1276-21runrttasks08:30:230
26084998150,22cyclictest29408-21/usr/sbin/munin07:20:350
26084998147,26cyclictest0-21swapper/012:35:230
26084998144,21cyclictest0-21swapper/009:36:260
26084998143,24cyclictest0-21swapper/008:06:050
26084998141,23cyclictest0-21swapper/008:36:110
26084998124,26cyclictest11800-21latency_hist10:30:040
26084997848,14cyclictest10150irq/55-4a10000008:17:090
26084997810,20cyclictest31745-21diskstats07:30:220
26084997728,42cyclictest22450-21df_inode11:10:160
2608499768,17cyclictest8052-21latency_hist10:15:030
26084997648,13cyclictest10150irq/55-4a10000008:50:410
26084997647,18cyclictest29787-21/usr/sbin/munin09:30:360
26084997625,33cyclictest422-21tr07:35:150
26084997547,12cyclictest10150irq/55-4a10000009:20:170
26084997445,13cyclictest10150irq/55-4a10000011:45:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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