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2026-05-04 - 07:41
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Sun May 03, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7262221029,52sleep00-21swapper/007:09:200
7410991748,109cyclictest10474-21apt-get11:37:110
7410991727,109cyclictest20133-21sshd10:02:100
74109916945,107cyclictest10250irq/56-4a10000011:15:470
74109916845,110cyclictest754-21systemd-journal08:44:120
7410991645,103cyclictest25209-21apt-get08:18:190
7410991629,130cyclictest12692-21diskstats07:30:220
7410991628,100cyclictest22422-21df12:20:170
7410991627,133cyclictest25878-21/usr/sbin/munin10:25:310
74109916135,110cyclictest10250irq/56-4a10000007:40:140
7410991598,113cyclictest6353-21fw_forwarded_lo09:10:280
7410991597,134cyclictest25816-21sshd12:32:110
74109915944,94cyclictest10150irq/55-4a10000012:05:190
7410991589,110cyclictest29703-21ntp_states10:40:410
7410991587,107cyclictest21728-21apt-get12:17:090
7410991578,91cyclictest15965-21apt-get09:52:090
7410991578,108cyclictest11294-21df09:30:170
74109915714,124cyclictest17516-21wget07:50:130
74109915620,116cyclictest1305-21snmpd08:45:290
74109915618,116cyclictest1408-21nginx09:55:290
74109915617,121cyclictest24737-21ntp_states10:20:410
74109915520,113cyclictest1305-21snmpd10:11:100
7410991547,93cyclictest2400-21systemctl11:00:420
74109915428,106cyclictest1305-21snmpd11:57:110
74109915410,130cyclictest7561-21diskstats09:15:210
74109915329,105cyclictest25824-21wget08:20:140
7410991526,108cyclictest8631-21sshd09:20:110
74109915225,108cyclictest27269-21proc_pri10:30:430
7410991519,127cyclictest21131-21apt-get08:02:140
7410991518,106cyclictest14007-21ntp_states09:40:430
74109915114,117cyclictest9981-21wget09:25:140
74109915113,118cyclictest7033-21runrttasks11:20:140
7410991508,105cyclictest1325-21diskstats08:50:220
7410991507,88cyclictest4031-21ntp_states09:00:410
7410991507,124cyclictest30936-21munin-plugin-st08:40:000
74109915017,97cyclictest27810-21ntp_states08:26:170
7410991498,89cyclictest9544-21df11:30:170
74109914921,109cyclictest4480-21wget11:10:190
7410991489,124cyclictest13756-21seq07:35:130
74109914841,96cyclictest787-21haveged12:10:300
74109914835,99cyclictest15115-21ntpq11:50:390
74109914823,106cyclictest1305-21snmpd12:02:100
74109914817,111cyclictest16276-21wget07:45:120
74109914811,122cyclictest20827-21fw_forwarded_lo10:05:260
7410991479,101cyclictest28683-21wget08:30:140
7410991477,99cyclictest23843-21chrt12:25:410
7410991477,120cyclictest3176-21wget11:05:130
74109914723,106cyclictest10005-21/usr/sbin/munin07:20:110
7410991469,96cyclictest23217-21ntp_states08:10:390
7410991468,118cyclictest1305-21snmpd09:06:290
7410991467,96cyclictest9499-21apt-get07:17:080
7410991467,104cyclictest754-21systemd-journal10:17:110
74109914653,83cyclictest21668-21aten_r7power_po08:05:150
74109914610,98cyclictest2558-21df08:55:160
7410991448,115cyclictest18751-21aten_r7power_en07:55:130
7410991448,106cyclictest13474-21munin-run09:40:020
74109914410,121cyclictest31788-21/usr/sbin/munin10:50:420
7410991437,116cyclictest11589-21nfs4_client07:25:360
7410991436,94cyclictest805-21rs:main0
74109914342,89cyclictest13504-21seq11:45:100
74109914322,111cyclictest1408-21nginx09:45:250
7410991428,92cyclictest30790-21seq10:45:260
74109914136,93cyclictest26756-21ntp_states12:35:380
74109914026,102cyclictest7843-21chrt07:10:340
7410991398,115cyclictest12572-21netstat11:40:390
74109913910,117cyclictest894-21memory10:55:300
7410991386,91cyclictest28251-21df10:35:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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