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2026-07-02 - 23:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack5slot7.osadl.org (updated Thu Jul 02, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14674225030,13sleep013691-1kworker/u3:006:59:550
152509916413,27cyclictest8311-21/usr/sbin/munin12:24:330
152509916115,61cyclictest11297-21ssh12:33:110
152509916114,62cyclictest28595-21snmpd09:26:520
152509915912,61cyclictest4820-21cut12:14:280
152509915710,29cyclictest8031-21sh12:23:570
152509915613,61cyclictest15992-21ssh11:11:440
152509910417,46cyclictest17768-21ssh09:43:070
152509910318,19cyclictest23760-21memory10:00:160
152509910316,48cyclictest9903-21irqstats09:20:090
152509910217,44cyclictest1534-21irqstats10:30:090
152509910118,60cyclictest4673-21fw_conntrack09:05:050
152509910116,45cyclictest7945-21ssh09:14:350
152509910112,69cyclictest16570-21/usr/sbin/munin11:14:500
152509910033,53cyclictest27596-21users10:10:500
152509910033,49cyclictest0-21swapper10:58:420
152509910018,62cyclictest25309-21fw_conntrack10:04:560
152509910018,44cyclictest13275-21fw_conntrack09:30:010
152509910017,23cyclictest8313-21df_inode10:49:490
152509910012,26cyclictest23386-21sed07:49:290
15250999918,42cyclictest905-21fw_conntrack08:44:370
15250999917,59cyclictest3429-21irqstats12:10:030
15250999917,42cyclictest30556-21irqstats10:20:060
15250999917,35cyclictest15570-21users09:35:480
15250999915,64cyclictest30169-21munin-run11:53:580
15250999915,45cyclictest18442-21fw_conntrack09:44:560
15250999914,24cyclictest32657-21ntp_states12:00:320
15250999912,29cyclictest7269-21ssh09:12:220
15250999911,27cyclictest2822-21/usr/sbin/munin10:34:080
15250999817,61cyclictest2879-21munin-run12:08:580
15250999815,22cyclictest18742-21irqstats11:20:090
15250999814,61cyclictest23017-21ssh11:32:360
15250999814,23cyclictest31499-21df08:34:260
15250999810,50cyclictest23468-21ssh11:34:240
15250999731,49cyclictest0-21swapper11:03:330
15250999617,19cyclictest32196-21fw_conntrack10:24:560
15250999615,23cyclictest32461-21df_inode08:39:340
15250999615,23cyclictest27120-21df11:44:400
15250999614,62cyclictest5173-21ntp_states10:40:300
15250999612,23cyclictest29691-21ssh10:17:320
15250999517,57cyclictest1872-21irqstats08:49:420
15250999516,60cyclictest20250-21df11:24:380
15250999514,62cyclictest27037-21df_inode08:09:320
15250999513,22cyclictest25495-21df_inode11:39:490
15250999513,22cyclictest20136-21df_inode09:49:550
15250999511,65cyclictest13253-21sshd11:04:320
15250999510,68cyclictest21545-21ssh09:54:250
15250999415,60cyclictest7200-21users10:45:520
15250999312,42cyclictest31371-21ssh11:56:210
1525099929,25cyclictest29274-21grep08:20:060
15250999216,18cyclictest0-21swapper08:54:220
15250999211,64cyclictest15344-21/usr/sbin/munin07:04:500
15250999114,57cyclictest24979-21/usr/sbin/munin07:59:190
15250999018,26cyclictest18963-21fw_conntrack07:24:350
15250999016,31cyclictest21864-21ntp_states07:39:550
15250999011,59cyclictest30459-21aten_r5power_po08:29:230
15250998936,20cyclictest26696-21wc08:09:010
15250998918,50cyclictest17785-21apt-get07:19:160
15250998918,36cyclictest29819-21irqstats08:24:430
15250998916,26cyclictest19570-21apt07:29:070
1525099889,43cyclictest24455-21grep07:54:450
15250998816,23cyclictest20890-21memory07:34:470
15250998815,25cyclictest22268-21/usr/sbin/munin07:44:170
15250998717,22cyclictest16287-21munin-node07:09:060
15250998715,22cyclictest27960-21df_inode08:14:330
15250998713,57cyclictest28595-21snmpd07:14:540
15250998612,26cyclictest28595-21snmpd08:59:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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