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2025-06-16 - 20:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Mon Jun 16, 2025 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151840,0ktimers/0146941sleep07:08:300
1514740,0ktimers/0296301sleep08:21:080
1514650,0ktimers/0176731sleep09:55:280
1514640,0ktimers/044341sleep11:25:180
1514630,0ktimers/0187921sleep12:30:590
1514580,0ktimers/054711sleep08:58:110
1514580,0ktimers/0317311sleep11:01:140
1514560,0ktimers/0131641sleep09:34:200
1483099427127,0cyclictest0-21swapper07:31:520
1514240,0ktimers/090181sleep11:46:010
148309942137,0cyclictest445-21cat08:36:120
1514200,0ktimers/0206341sleep10:07:140
148309941235,0cyclictest3402-21chrt08:50:160
148309940726,0cyclictest22644-21needreboot07:46:480
148309940690,0cyclictest2425-21basename11:15:440
148309940228,0cyclictest1706-21awk11:11:400
1483099399104,0cyclictest10417-21forks09:21:230
148309939834,0cyclictest25611-21chrt08:01:460
148309939828,0cyclictest23169-21switchtime10:21:240
1513970,0ktimers/0316881sleep08:30:410
1483099397111,0cyclictest20985-21aten_r3power_cu10:10:350
148309939625,0cyclictest16719-21ntpq09:50:480
1513950,0ktimers/0222641sleep10:16:140
148309939474,0cyclictest5512-21sh11:30:160
148309939432,0cyclictest28476-21df08:16:000
148309939426,0cyclictest7812-21sendmail-mta09:10:360
148309939129,0cyclictest20477-21grep07:36:480
1483099391118,0cyclictest17971-21runrttasks12:26:380
148309939027,0cyclictest12009-21runrttasks09:28:040
148309939024,0cyclictest19056-21df_inode10:01:240
148309938928,0cyclictest9665-21if_eth109:17:000
148309938826,0cyclictest28865-21latency10:46:520
148309938825,0cyclictest23964-21cut10:25:360
148309938573,0cyclictest23888-21chrt07:52:060
148309938526,0cyclictest29442-21idleruntime10:50:440
148309938526,0cyclictest14931-21cut09:41:400
148309938425,0cyclictest26090-21sendmail_mailtr10:35:360
148309938328,0cyclictest24957-21latency_hist10:30:240
148309938327,0cyclictest26240-21aten_r3power_cu08:05:360
148309938324,0cyclictest19736-21sort12:35:280
148309938230,0cyclictest24972-21cron08:00:160
148309938127,0cyclictest30542-21ntp_states10:55:480
148309938125,0cyclictest17192-21sed12:22:080
148309938125,0cyclictest10953-21latency_hist11:55:200
148309937926,0cyclictest7929-21apt-get11:41:000
1483099379113,0cyclictest11637-21cat11:56:530
148309937727,0cyclictest14313-21munin-node12:10:360
148309937640,0cyclictest7790-21munin-run09:10:230
148309937627,0cyclictest32742-21runrttasks11:05:520
148309937626,0cyclictest3928-21nfs_client08:51:320
148309937226,0cyclictest15862-21nfs_client12:16:400
148309937031,0cyclictest27891-21tr10:42:020
148309937028,0cyclictest3462-21snmpd07:20:000
148309937028,0cyclictest14349-21sort09:40:240
148309937026,0cyclictest1424-21mailstats08:40:470
148309936926,0cyclictest21821-21timerwakeupswit07:42:160
1513680,0ktimers/061571sleep11:31:450
148309936735,0cyclictest16193-21basename09:46:560
148309936630,0cyclictest27572-21awk08:11:200
148309936627,0cyclictest17378-21if_err_eth107:22:000
148309936625,0cyclictest3732-21runrttasks09:02:440
148309936624,0cyclictest6982-21df_inode11:36:160
148309936429,0cyclictest3732-21runrttasks07:10:360
148309936274,0cyclictest30645-21ntpq08:25:470
148309936129,0cyclictest18755-21cron07:30:160
148309935828,0cyclictest12877-21aten_r3power_po12:02:040
148309935728,0cyclictest13389-21chrt12:06:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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