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2025-11-26 - 09:48
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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 Wed Nov 26, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49912858163,354sleep04965-21kworker/0:319:08:290
52369914073,48cyclictest22659-21runrttasks22:22:110
52369912738,36cyclictest2524-21diskstats23:10:240
52369912646,41cyclictest16399-21runrttasks22:00:450
52369912460,48cyclictest10250irq/56-4a10000021:48:320
52369912359,48cyclictest25034-21users20:25:480
52369912161,45cyclictest4173-21sshd21:13:280
52369912150,33cyclictest19202-21fw_packets00:15:290
52369911745,23cyclictest15078-21munin-run00:00:020
52369911630,33cyclictest19725-21apt-get22:15:450
52369911542,34cyclictest21715-21fw_conntrack00:25:300
52369911446,33cyclictest31731-21munin-run23:00:020
52369911445,50cyclictest1356-21snmpd22:14:280
52369911443,35cyclictest31726-21apt-get23:02:130
52369911442,20cyclictest1350-21irqstats23:05:320
52369911441,37cyclictest9462-21ntp_states19:25:400
52369911368,33cyclictest24258-21runrttasks20:24:350
52369911341,50cyclictest17706-21gpgv20:00:050
52369911339,35cyclictest22115-21df_inode20:15:210
52369911265,36cyclictest11798-21runrttasks23:46:470
52369911262,32cyclictest10150irq/55-4a10000021:54:230
52369911258,35cyclictest1356-21snmpd20:55:330
52369911240,33cyclictest1356-21snmpd22:39:340
52369911077,23cyclictest12613-21runrttasks23:50:370
52369911059,39cyclictest8558-21memory21:30:330
52369911044,48cyclictest7502-21processes21:25:430
52369911041,48cyclictest20877-21df_inode20:10:210
52369911039,34cyclictest1356-21snmpd22:34:320
52369911039,32cyclictest1801-21node19:38:120
52369911038,34cyclictest24062-21/usr/sbin/munin00:35:230
52369910972,26cyclictest4667-21df21:15:170
52369910964,36cyclictest14867-21ntp_states21:55:420
52369910958,34cyclictest10434-21seq19:30:150
52369910957,41cyclictest25871-21df20:30:220
52369910945,30cyclictest8245-21seq23:33:260
52369910939,48cyclictest1364-21sshd00:10:280
52369910936,35cyclictest5886-21wget21:20:210
52369910867,30cyclictest29756-21ntpq22:50:410
52369910830,29cyclictest20236-21/usr/sbin/munin00:20:460
52369910776,22cyclictest6360-21runrttasks23:25:300
52369910772,24cyclictest15508-21diskstats19:50:220
52369910769,29cyclictest14260-21runrttasks19:45:200
52369910754,38cyclictest3650irq/20-4900000020:38:250
52369910736,36cyclictest17549-21df22:05:190
52369910668,28cyclictest792-21haveged22:25:220
52369910642,29cyclictest18324-21df20:00:250
52369910638,51cyclictest1356-21snmpd21:04:120
52369910636,34cyclictest1356-21snmpd23:39:470
52369910565,29cyclictest11707-21runrttasks21:43:400
52369910561,36cyclictest3765-21diskstats23:15:230
52369910547,39cyclictest1356-21snmpd20:50:130
52369910434,35cyclictest2386-21ntp_states21:05:410
52369910334,34cyclictest1356-21snmpd23:44:480
52369910271,21cyclictest23013-21runrttasks00:30:310
52369910250,35cyclictest1356-21snmpd19:23:320
52369910234,32cyclictest28138-21wget22:45:130
52369910140,20cyclictest15468-21fw_conntrack00:00:280
52369910131,34cyclictest1356-21snmpd19:13:490
52369910070,21cyclictest9848-21ntp_kernel_pll_21:35:360
52369910054,36cyclictest28414-21fw_forwarded_lo20:40:270
52369910043,18cyclictest29662-21sshd20:45:280
52369910033,34cyclictest16663-21df00:05:180
5236999969,21cyclictest13008-21runrttasks19:40:170
5236999968,22cyclictest5929-21runrttasks23:24:480
5236999961,22cyclictest26868-21/usr/sbin/munin22:40:190
5236999955,33cyclictest6803-21fw_packets19:15:280
5236999938,20cyclictest19725-21irqstats20:05:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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