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2026-05-08 - 12:14
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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 07, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4951215990,9sleep04949-21irqstats07:05:250
58509912441,35cyclictest25217-21diskstats08:25:210
58509912434,36cyclictest16893-21apt-get10:01:360
58509912254,36cyclictest11959-21irqstats09:40:280
58509912150,42cyclictest23846-21diskstats10:25:210
58509912053,35cyclictest1305-21snmpd09:57:100
58509911948,39cyclictest18175-21sshd07:56:060
58509911944,22cyclictest1305-21snmpd09:02:110
58509911845,53cyclictest23769-21/usr/sbin/munin08:20:110
58509911748,50cyclictest20539-21munin-plugin-st12:20:020
58509911672,32cyclictest801-21dbus-daemon12:26:220
58509911650,34cyclictest1305-21snmpd10:50:590
58509911639,37cyclictest3329-21ntp_states09:05:430
58509911545,34cyclictest7929-21/usr/sbin/munin09:25:470
58509911460,39cyclictest754-21systemd-journal10:10:060
58509911441,35cyclictest1305-21snmpd12:36:290
58509911364,33cyclictest3650irq/20-4900000012:06:120
58509911351,33cyclictest4229-21wget09:10:110
58509911350,44cyclictest20720-21wget12:20:100
58509911342,18cyclictest15289-21gpgv09:55:050
58509911280,22cyclictest28925-21runrttasks10:45:320
58509911240,33cyclictest1305-21snmpd10:05:410
58509911166,34cyclictest7068-21sshd11:28:070
58509911146,47cyclictest32468-21aten_r7power_cu08:55:130
58509911140,18cyclictest6905-21diskstats09:20:240
58509911139,52cyclictest12382-21/usr/sbin/munin11:50:080
58509911139,52cyclictest11817-21seq11:46:110
58509911138,34cyclictest2491-21/usr/sbin/munin11:10:130
58509911138,20cyclictest21317-21df10:15:160
58509911067,33cyclictest15253-21ntpq12:00:370
58509911050,41cyclictest12942-21sh07:35:400
58509911050,20cyclictest9259-21grep07:21:060
58509911037,34cyclictest9253-21users11:35:460
58509911037,34cyclictest1305-21snmpd12:33:060
58509910980,20cyclictest787-21haveged11:16:050
58509910970,29cyclictest1276-21runrttasks08:30:190
58509910966,33cyclictest5870-21wc09:15:430
58509910957,34cyclictest1276-21runrttasks10:59:260
58509910950,45cyclictest20134-21wget08:05:150
58509910946,44cyclictest1285-21lldpd09:47:450
58509910867,32cyclictest17043-21runrttasks07:51:590
58509910850,38cyclictest25140-21seq10:30:280
58509910845,42cyclictest787-21haveged08:35:390
58509910845,28cyclictest10250irq/56-4a10000012:10:230
58509910844,32cyclictest11537-21munin-run09:40:020
58509910843,45cyclictest4986-21tr11:20:100
58509910841,49cyclictest23623-21runrttasks08:19:590
58509910771,27cyclictest21465-21diskstats08:10:210
58509910754,19cyclictest1408-21nginx11:55:200
58509910740,48cyclictest1305-21snmpd10:35:560
58509910738,32cyclictest1305-21snmpd08:04:540
58509910660,33cyclictest10110-21df_inode11:40:180
58509910547,42cyclictest0-21swapper/007:49:520
58509910544,20cyclictest481-21users11:00:450
58509910445,19cyclictest14040-21fw_forwarded_lo07:40:260
58509910437,33cyclictest7354-21df07:15:160
58509910435,32cyclictest31642-21/usr/sbin/munin08:50:410
58509910374,20cyclictest29018-21if_eth008:40:290
58509910371,21cyclictest6866-21runrttasks07:13:260
58509910363,31cyclictest11581-21if_eth007:30:280
58509910345,40cyclictest1276-21runrttasks10:40:400
58509910271,21cyclictest2398-21latency_hist11:10:040
58509910041,42cyclictest7407-21/usr/sbin/munin11:30:420
5850999965,23cyclictest9733-21seq09:30:470
5850999940,39cyclictest805-21rs:main0
5850999838,20cyclictest30217-21fw_forwarded_lo08:45:250
5850999770,19cyclictest22478-21aten_r7power_po10:20:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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