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2024-11-12 - 10:04
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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 highest latencies:
System rack5slot7.osadl.org (updated Tue Nov 12, 2024 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24284224800,13sleep020256-1kworker/u3:017:55:000
249629910817,51cyclictest16579-21users20:05:490
249629910337,50cyclictest22979-21ntp_offset20:25:300
249629910316,65cyclictest31267-21memory20:50:220
249629910214,24cyclictest13470-21ntp_states23:10:320
249629910213,48cyclictest28496-21cat22:19:110
249629910211,53cyclictest13866-21grep19:59:080
249629910120,41cyclictest1654-21apt-get20:59:370
249629910117,64cyclictest23754-21df22:04:510
249629910115,66cyclictest19068-21ntp_states21:50:320
249629910114,48cyclictest25187-21/usr/sbin/munin22:10:110
249629910018,44cyclictest18226-21df_inode23:24:580
249629910017,65cyclictest1077-21apt-get22:34:270
249629910012,26cyclictest4290-21ssh21:05:590
2496299999,26cyclictest30102-21ssh20:46:230
24962999916,64cyclictest13852-21irqstats21:35:090
24962999916,37cyclictest20999-21df20:19:540
24962999915,63cyclictest6704-21apt-get21:14:260
24962999915,45cyclictest17741-21fw_conntrack20:10:060
24962999915,24cyclictest26632-21users20:35:490
24962999913,22cyclictest6256-21ssh21:12:230
24962999818,58cyclictest15150-21ntp_states23:15:320
24962999811,69cyclictest19638-21ssh20:15:300
24962999811,43cyclictest32322-21ssh22:30:140
24962999811,25cyclictest11510-21df_inode23:04:580
24962999810,25cyclictest4794-21df_inode22:44:540
2496299979,63cyclictest12109-21ssh21:30:030
24962999718,58cyclictest12358-21df19:49:320
24962999718,41cyclictest28899-21fw_conntrack22:20:050
24962999716,62cyclictest2618-21wc18:54:510
24962999715,62cyclictest27668-21df20:39:530
24962999715,52cyclictest0-21swapper20:54:140
24962999714,43cyclictest17762-21munin-run23:24:060
24962999711,68cyclictest6566-21ssh22:50:090
24962999711,25cyclictest3766-21ssh22:41:060
2496299969,47cyclictest14231-21ssh19:59:460
24962999634,41cyclictest8600-21basename19:29:310
24962999618,58cyclictest9776-21df22:59:540
24962999615,57cyclictest17757-21ssh21:46:100
24962999615,22cyclictest15711-21ntp_states21:40:350
24962999613,59cyclictest8419-21sh22:55:300
24962999538,23cyclictest22645-21timerandwakeup22:00:490
24962999519,54cyclictest24058-21apt-get20:29:260
24962999516,58cyclictest12038-21munin-run19:49:050
24962999513,27cyclictest30737-21/usr/sbin/munin22:25:270
24962999510,24cyclictest10318-21ssh21:24:480
24962999417,58cyclictest20506-21fw_conntrack21:55:040
24962999415,61cyclictest8768-21fw_conntrack21:20:090
24962999312,23cyclictest7467-21unixbench_singl19:20:110
2496299928,42cyclictest29300-21basename18:24:260
24962999234,33cyclictest31177-21grep18:34:270
24962999225,33cyclictest0-21swapper18:59:370
24962999210,62cyclictest10594-21df_abs19:39:380
24962999114,41cyclictest4841-21munin-run19:09:050
24962999017,25cyclictest30197-21apt-get18:29:220
24962999017,24cyclictest2147-21munin-run18:54:060
24962999013,58cyclictest6063-21df19:14:360
24962999012,56cyclictest9975-21ps19:35:030
24962999012,40cyclictest27314-21head18:10:080
24962999011,61cyclictest25859-21munin-run18:04:080
24962998915,18cyclictest1217-21munin-run18:49:060
24962998913,27cyclictest29062-21wc18:20:110
24962998911,21cyclictest32356-21wc18:39:560
24962998812,58cyclictest5141-21wc19:09:380
24962998717,22cyclictest26385-21df18:04:340
24962998710,23cyclictest27581-21cut18:14:270
24962998611,27cyclictest7799-21grep19:24:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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