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2025-09-03 - 20:31
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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 all highest latencies:
System rack5slot7.osadl.org (updated Wed Sep 03, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1850224172165,59sleep00-21swapper05:43:270
20469910917,48cyclictest11767-21apt-get08:50:110
20469910412,52cyclictest2878-21ssh08:21:140
20469910412,30cyclictest27443-21/usr/sbin/munin09:41:040
20469910331,41cyclictest0-21swapper10:22:090
20469910220,61cyclictest19942-21fw_conntrack09:15:500
20469910218,23cyclictest24521-21df09:30:330
20469910216,24cyclictest9254-21ntp_states08:41:170
20469910017,65cyclictest535-21munin-run08:14:520
20469910017,22cyclictest23814-21df07:45:350
20469910015,62cyclictest24865-21/usr/sbin/munin11:10:200
20469910015,23cyclictest9867-21df_inode10:25:450
20469910014,25cyclictest13304-21fw_conntrack10:35:570
20469910013,48cyclictest16231-21ssh09:04:090
2046999931,44cyclictest25332-21sh07:50:220
2046999918,43cyclictest6104-21ntp_states08:31:150
2046999917,22cyclictest18273-21df10:50:380
2046999916,61cyclictest22687-21apt-get09:25:070
2046999916,37cyclictest29288-21df09:45:330
2046999915,63cyclictest7531-21/usr/sbin/munin08:36:040
2046999911,27cyclictest23419-21diskmemload08:00:280
2046999910,26cyclictest21868-21ssh11:01:030
2046999818,60cyclictest4179-21df08:25:310
2046999817,62cyclictest18358-21ssh09:10:400
2046999817,22cyclictest6649-21memory10:16:090
2046999817,22cyclictest18406-21fw_conntrack07:15:310
2046999816,22cyclictest11743-21memory10:31:110
2046999815,63cyclictest11651-21munin-run08:49:540
2046999813,25cyclictest32345-21ssh09:55:350
2046999813,25cyclictest1056-21/usr/sbin/munin08:15:540
2046999812,45cyclictest16657-21ssh10:45:470
2046999812,25cyclictest16723-21cstates09:05:320
204699979,40cyclictest30638-21ssh09:50:170
2046999744,38cyclictest5799-21sh10:13:470
2046999624,54cyclictest0-21swapper10:43:120
2046999622,41cyclictest0-21swapper08:05:470
2046999615,64cyclictest0-21swapper10:02:120
2046999615,43cyclictest27219-21ssh07:55:550
2046999612,37cyclictest22272-21snmpd06:48:020
2046999610,69cyclictest23176-21cut11:05:210
2046999517,43cyclictest4217-21wc05:55:490
2046999515,50cyclictest0-21swapper05:45:010
2046999434,23cyclictest10881-21latency_hist06:34:570
2046999431,19cyclictest0-21swapper07:00:500
2046999419,51cyclictest3128-21df10:05:350
2046999411,49cyclictest26831-21ssh09:37:040
2046999321,27cyclictest13896-21memory08:56:110
2046999314,66cyclictest0-21swapper09:22:510
2046999314,63cyclictest0-21swapper07:34:540
2046999312,60cyclictest14586-21basename06:55:150
2046999216,38cyclictest3572-21munin-run05:54:520
2046999214,63cyclictest0-21swapper07:44:520
2046999214,58cyclictest22272-21snmpd07:10:580
2046999212,59cyclictest20824-21ssh10:57:310
2046999212,58cyclictest8277-21tr06:20:140
2046999129,23cyclictest14300-21grep06:50:560
2046999127,48cyclictest0-21swapper06:40:290
2046999118,52cyclictest9082-21apt-get06:25:050
2046999114,53cyclictest19340-21cat07:20:340
2046999012,44cyclictest6374-21/usr/sbin/munin06:09:590
2046999011,26cyclictest10943-21cut06:35:160
2046998916,25cyclictest7499-21df06:15:230
2046998912,27cyclictest16768-21ntpq07:05:520
2046998816,23cyclictest4876-21fw_conntrack06:00:300
2046998716,23cyclictest22127-21memory07:35:440
2046998715,25cyclictest20481-21/usr/sbin/munin07:25:510
2046998615,23cyclictest5881-21memory06:05:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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