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2025-03-21 - 07:18
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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 all highest latencies:
System rack7slot8.osadl.org (updated Fri Mar 21, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2708212180,10sleep02709-21readlink19:05:340
33569912175,35cyclictest22924-21apt-get20:31:200
33569911975,35cyclictest4922-21users21:30:460
33569911684,22cyclictest964-21sh21:15:000
33569911385,20cyclictest15944-21munin-plugin-st22:20:010
33569911282,22cyclictest1336-21runrttasks21:40:290
33569911182,19cyclictest22924-21apt-get20:30:020
33569911178,23cyclictest25564-21diskstats23:00:360
33569911080,21cyclictest7758-21apt-get00:05:520
33569911079,20cyclictest4908-21fw_conntrack19:15:230
33569910981,18cyclictest5565-21seq23:55:260
33569910978,21cyclictest26156-21fw_conntrack20:40:260
33569910878,20cyclictest11434-21seq00:16:280
33569910877,22cyclictest15162-21runrttasks00:30:490
33569910864,34cyclictest30360-21diskstats23:20:230
33569910678,20cyclictest30587-21fw_conntrack21:00:260
33569910676,21cyclictest12543-21/usr/sbin/munin00:20:520
33569910676,20cyclictest13544-21irqstats00:25:300
33569910675,21cyclictest16074-21/usr/sbin/munin22:20:470
33569910674,21cyclictest29180-21irqstats23:15:340
33569910669,25cyclictest8313-21apt-get19:31:370
33569910474,21cyclictest7573-21ntp_states19:25:380
33569910468,27cyclictest29101-21/usr/sbin/munin20:55:180
33569910375,19cyclictest27734-21latency_hist20:50:000
33569910374,20cyclictest6796-21apt-config21:40:080
33569910374,20cyclictest20320-21ntp_states20:16:240
33569910374,19cyclictest32359-21/usr/sbin/munin23:30:300
33569910372,21cyclictest10348-21irqstats19:35:290
33569910370,22cyclictest9369-21fw_forwarded_lo21:50:230
33569910369,22cyclictest27128-21apt-get23:11:370
33569910172,20cyclictest12246-21users22:00:510
33569910073,18cyclictest22625-21df_inode22:50:160
33569910069,21cyclictest11524-21diskstats19:40:220
33569910035,47cyclictest10250irq/56-4a10000000:38:530
3356999769,20cyclictest1336-21runrttasks20:13:160
3356999769,18cyclictest16899-21users20:00:500
3356999730,48cyclictest3478-21wget19:10:160
3356999668,19cyclictest2852-21processes21:20:460
3356999668,18cyclictest11202-21chrt21:57:350
3356999569,17cyclictest14184-21ntp_states19:50:430
3356999566,20cyclictest15222-21df19:55:170
335699948,43cyclictest1882-21apt-get21:17:060
3356999468,18cyclictest19849-21users22:35:490
3356999364,20cyclictest20707-21df_inode22:40:210
3356999362,19cyclictest7046-21ntp_states00:00:490
3356999325,34cyclictest1356-21snmpd23:44:060
3356999262,19cyclictest18391-21ntp_states22:30:370
3356999121,35cyclictest1356-21snmpd23:39:060
3356999030,39cyclictest31647-21seq21:05:390
3356998937,33cyclictest10150irq/55-4a10000022:58:570
3356998928,42cyclictest1424-21nginx21:47:590
3356998863,17cyclictest9894-21ntp_states00:10:420
3356998862,17cyclictest249042sleep020:35:280
3356998729,18cyclictest26953-21sshd23:08:350
3356998719,51cyclictest10250irq/56-4a10000021:28:190
3356998657,20cyclictest6245-21irqstats19:20:290
3356998645,32cyclictest3399-21runrttasks23:45:080
3356998556,19cyclictest13676-21munin-run19:50:020
3356998536,16cyclictest10250irq/56-4a10000022:48:330
3356998523,15cyclictest28978-21latency_hist20:55:020
3356998355,19cyclictest31962-21munin-run23:30:010
3356998354,20cyclictest13766-21diskstats22:10:180
3356998255,19cyclictest1-21systemd20:20:480
3356998125,37cyclictest1356-21snmpd22:08:470
3356997939,27cyclictest5309-21date23:55:030
3356997820,23cyclictest180150node22:28:290
3356997344,13cyclictest10150irq/55-4a10000020:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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