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2026-06-15 - 00:49
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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 Sun Jun 14, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3654225040,11sleep03372-1kworker/u3:107:03:440
38089916619,123cyclictest27292-21apt-get10:45:090
38089916617,123cyclictest16973-21apt-get10:15:120
38089916517,123cyclictest22373-21apt-get12:05:090
38089916514,127cyclictest2220-21wc11:06:050
38089916514,126cyclictest20389-21/usr/sbin/munin10:26:240
38089916315,123cyclictest3182-21/usr/sbin/munin09:35:550
38089916315,102cyclictest30741-21apt-get10:55:110
38089916235,110cyclictest4387-21users11:11:380
38089916217,119cyclictest8361-21apt-get09:50:100
38089916213,122cyclictest6907-21/usr/sbin/munin11:21:170
38089916212,124cyclictest30963-21/usr/sbin/munin12:30:200
38089916120,112cyclictest20750-21apt-get08:40:070
38089916119,99cyclictest8614-21apt-get11:25:060
38089916119,102cyclictest25819-21memory09:06:170
38089916119,101cyclictest6636-21apt-get09:45:120
38089916019,97cyclictest29017-21df09:15:340
38089916019,116cyclictest20543-21munin-run11:59:520
38089916015,121cyclictest10943-21ssh11:31:170
38089916015,119cyclictest13790-21df10:05:350
38089916015,102cyclictest26096-21df12:15:330
38089916014,122cyclictest18048-21ssh11:51:320
38089916014,105cyclictest22395-21ssh10:30:330
38089916014,101cyclictest29625-21fw_conntrack12:25:470
38089916012,125cyclictest20662-21ssh12:00:020
38089916012,124cyclictest15868-21/usr/sbin/munin11:45:480
38089916010,126cyclictest11705-21sort09:59:550
38089916010,114cyclictest6491-21ssh11:18:230
38089915915,120cyclictest27541-21apt-get12:20:150
38089915914,121cyclictest14241-21irqstats11:41:040
38089915914,119cyclictest11971-21ssh10:00:300
38089915817,116cyclictest15860-21ntp_states10:11:230
38089915816,118cyclictest30603-21wget09:20:250
38089915816,118cyclictest24807-21users10:36:420
38089915813,108cyclictest27039-21ssh09:10:200
38089915812,122cyclictest19515-21ssh10:21:340
38089915811,123cyclictest12459-21sed07:50:570
38089915715,119cyclictest32185-21apt-get09:25:170
38089915715,118cyclictest1452-21apt-get09:30:110
38089915715,104cyclictest29006-21apt-get10:50:130
38089915714,119cyclictest24289-21cpu12:10:270
38089915714,119cyclictest12071-21apt-get11:35:090
38089915711,121cyclictest15414-21tr08:10:140
38089915617,116cyclictest32462-21apt-get11:00:120
38089915613,120cyclictest4926-21apt-get09:40:110
38089915612,121cyclictest26113-21memory10:41:080
38089915612,119cyclictest19660-21head08:30:560
38089915515,116cyclictest5330-21munin-run07:14:520
38089915513,101cyclictest11674-21cat07:49:540
38089915511,119cyclictest22533-21/usr/sbin/munin08:50:500
38089915430,106cyclictest24094-21timerandwakeup08:55:530
38089915411,103cyclictest16981-21grep08:15:580
38089915333,97cyclictest14646-21sed08:05:230
38089915315,98cyclictest21884-21/usr/sbin/munin08:45:230
38089915311,118cyclictest13795-21df08:00:260
38089915240,92cyclictest8510-21latency07:30:370
38089915216,111cyclictest24347-21apt-get09:00:090
38089915211,102cyclictest17877-21grep08:20:570
38089915118,110cyclictest4664-21users07:05:580
38089915035,93cyclictest20103-21sed08:35:230
38089915012,114cyclictest6323-21cat07:19:550
38089914940,90cyclictest12646-21apt-get07:55:030
38089914918,106cyclictest7231-21apt-get07:25:060
38089914912,116cyclictest6340-21/usr/sbin/munin07:20:160
38089914912,113cyclictest18120-21aten_r5power_po08:25:140
38089914911,114cyclictest10474-21wc07:40:530
38089914813,112cyclictest9851-21latency_hist07:39:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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