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2025-05-09 - 10:48
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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 Thu May 08, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10338212960,9sleep010340-21grep07:10:020
103739912141,24cyclictest1356-21snmpd07:42:080
103739912135,32cyclictest5736-21df11:05:180
103739911965,36cyclictest6315-21runrttasks09:00:470
103739911946,21cyclictest1356-21snmpd12:00:450
103739911773,35cyclictest23605-21apt-get12:16:320
103739911762,35cyclictest21609-21cpuspeed10:00:170
103739911740,37cyclictest13991-21users11:35:490
103739911664,34cyclictest28057-21wget10:25:120
103739911541,35cyclictest24564-21fw_conntrack10:10:430
103739911538,35cyclictest10414-21munin-run11:25:040
103739911264,38cyclictest4484-21latency_hist08:55:040
103739911251,45cyclictest27061-21grep08:15:150
103739911239,34cyclictest30921-21open_files10:35:440
103739911140,19cyclictest19064-21grep09:50:450
103739911137,20cyclictest32348-21sh08:35:400
103739911049,43cyclictest8077-21grep11:15:150
103739911037,56cyclictest20840-21aten_r7power_po07:50:140
103739911036,36cyclictest21610-21ntp_states12:05:390
103739911025,32cyclictest9352-21apt-get09:17:210
103739910939,30cyclictest27324-21getprofile12:26:360
103739910937,35cyclictest19674-21apt-get09:57:080
103739910836,19cyclictest22732-21fw_forwarded_lo12:10:310
103739910835,21cyclictest26996-21diskstats10:20:200
103739910761,35cyclictest15667-21sshd07:30:270
103739910745,43cyclictest28353-21cut12:30:150
103739910738,37cyclictest8328-21/usr/sbin/munin09:10:170
103739910735,37cyclictest25750-21fw_conntrack10:15:240
103739910664,30cyclictest31080-21ntpq08:30:360
103739910663,34cyclictest19554-21latency_hist12:00:070
103739910660,34cyclictest11164-21diskstats11:25:380
103739910637,35cyclictest11367-21fw_forwarded_lo09:20:300
103739910558,33cyclictest3650irq/20-4900000011:30:180
103739910545,48cyclictest17336-21fw_conntrack11:50:230
103739910543,21cyclictest4308-21/usr/sbin/munin11:00:490
103739910536,32cyclictest24616-21wget08:05:140
103739910534,32cyclictest23278-21users10:05:510
103739910533,36cyclictest14699-21aten_r7power_en11:40:160
103739910532,38cyclictest29672-21df08:25:190
103739910472,22cyclictest16011-21latency_hist09:40:040
103739910464,29cyclictest25903-21cpu08:10:170
103739910459,33cyclictest17098-21seq09:44:110
103739910457,36cyclictest16063-21df11:45:170
103739910372,21cyclictest24282-21runrttasks08:04:110
103739910356,37cyclictest760-21systemd-journal07:10:270
103739910356,36cyclictest19765-21df07:45:350
103739910340,24cyclictest31965-21diskstats10:40:210
103739910271,23cyclictest1795-21runrttasks08:44:050
103739910262,31cyclictest26488-21latency_hist12:25:030
103739910236,48cyclictest12741-21ntpq09:25:370
103739910236,33cyclictest554-21aten_r7power_cu10:45:130
103739910232,33cyclictest17912-21chrt09:45:480
103739910171,20cyclictest22414-21runrttasks07:55:420
103739910154,35cyclictest13165-21diskstats07:20:210
103739910057,32cyclictest29772-21runrttasks10:30:430
103739910054,37cyclictest4717-21diskstats08:55:240
103739910043,39cyclictest11882-21df07:15:180
103739910039,21cyclictest13808-21diskstats09:30:260
10373999969,21cyclictest7603-21runrttasks09:05:490
10373999950,32cyclictest16663-21/usr/sbin/munin07:35:420
10373999937,21cyclictest2248-21diskstats08:45:260
10373999846,41cyclictest6810-21grep11:10:120
10373999835,29cyclictest3822-21seq10:57:050
10373999768,20cyclictest29410-21latency_hist08:25:020
10373999768,20cyclictest1820-21/usr/sbin/munin10:50:120
10373999748,37cyclictest14568-21ntpq07:25:360
10373999662,23cyclictest29735-21fw_conntrack12:35:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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