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2025-09-18 - 16:03
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Thu Sep 18, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7220224230,11sleep05979-1kworker/u3:005:43:590
72669916717,110cyclictest5509-21ssh08:11:320
72669916618,123cyclictest2744-21fw_conntrack09:40:120
72669916521,118cyclictest9549-21df_inode10:00:040
72669916519,102cyclictest11489-21fw_conntrack08:30:110
72669916516,124cyclictest14325-21apt-get10:14:260
72669916514,125cyclictest17791-21apt-get08:49:300
72669916513,125cyclictest16548-21ssh08:45:120
72669916420,120cyclictest28378-21fw_conntrack10:55:140
72669916416,125cyclictest7797-21apt-get08:19:280
72669916416,125cyclictest28755-21/usr/sbin/munin07:45:300
72669916415,125cyclictest31402-21apt-get09:29:330
72669916320,118cyclictest21047-21munin-run08:59:100
72669916320,105cyclictest21431-21df08:59:500
72669916318,104cyclictest26251-21apt-get10:49:270
72669916314,125cyclictest640-21ssh09:34:190
72669916220,120cyclictest21663-21memory10:35:250
72669916217,104cyclictest19690-21df10:29:530
72669916216,102cyclictest32014-21apt-get07:54:240
72669916215,21cyclictest29696-21apt-get10:59:250
72669916215,123cyclictest22845-21/usr/sbin/munin10:40:550
72669916213,123cyclictest7490-21/usr/sbin/munin09:55:150
72669916116,121cyclictest31396-21apt-get11:04:220
72669916115,122cyclictest5758-21apt-get09:49:290
72669916110,125cyclictest7562-21sshd08:18:320
72669916018,121cyclictest22862-21apt-get09:04:330
72669916014,120cyclictest9468-21apt-get08:24:280
72669916013,123cyclictest12797-21apt-get08:34:270
72669916010,25cyclictest30435-21/usr/sbin/munin09:25:430
7266991599,125cyclictest2824-21/usr/sbin/munin08:05:480
72669915917,117cyclictest30370-21apt-get07:49:320
72669915914,119cyclictest24546-21apt-get10:44:270
72669915912,123cyclictest12593-21/usr/sbin/munin10:09:170
72669915911,28cyclictest26551-21ssh09:14:510
72669915910,126cyclictest1178-21apt07:59:190
72669915910,125cyclictest1521-21cat11:10:560
72669915818,101cyclictest18333-21ntp_states10:25:380
72669915816,119cyclictest8259-21munin-node05:49:130
72669915815,101cyclictest16366-21df_inode10:20:010
72669915717,100cyclictest24568-21apt-get09:09:250
72669915716,119cyclictest4580-21memory09:45:260
72669915714,120cyclictest27995-21apt-get09:19:290
72669915711,123cyclictest11130-21wc10:04:450
72669915710,125cyclictest15037-21ntpdc08:40:320
72669915619,111cyclictest8259-21munin-node05:49:170
72669915617,115cyclictest17421-21memory06:39:590
72669915613,124cyclictest28719-21latency_hist07:44:140
72669915612,120cyclictest21031-21memory06:59:540
7266991559,123cyclictest11937-21uname06:09:530
72669915519,112cyclictest25602-21ntp_states07:25:040
72669915512,119cyclictest22100-21grep07:05:070
72669915512,118cyclictest11507-21latency_hist06:09:100
72669915511,120cyclictest24833-21swap07:20:100
72669915511,119cyclictest18833-21cut06:49:280
72669915432,101cyclictest0-21swapper07:39:090
72669915411,25cyclictest14153-21sed06:20:130
72669915411,107cyclictest20122-21sed06:54:560
72669915316,114cyclictest16521-21memory06:34:590
72669915314,102cyclictest26614-21wc07:30:090
72669915313,118cyclictest18730-21grep06:49:100
72669915312,116cyclictest9836-21aten_r5power_cu05:59:320
72669915311,25cyclictest24216-21cat07:19:110
72669915310,27cyclictest22634-21sed07:09:390
7266991528,101cyclictest15285-21grep06:29:340
72669915114,115cyclictest15030-21sed06:25:130
72669915110,120cyclictest12509-21/usr/sbin/munin06:15:010
72669914914,115cyclictest9732-21cat05:59:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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