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2025-11-18 - 13:50
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot3.osadl.org (updated Tue Nov 18, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19194213018,27sleep019237-21nfs_client19:08:310
31121150,4sleep0308-21grep23:08:590
25970210015,15sleep025975-21grep00:28:320
20275999824,64cyclictest21202-21munin-node00:13:410
2072329714,15sleep020726-21iostat_ios19:13:320
20275999623,63cyclictest25951-21missed_timers22:48:430
20275999615,71cyclictest31373-21sshd21:25:350
20275999515,70cyclictest6772-21processes23:28:520
20275999514,71cyclictest27407-21munin-node19:33:420
20275999424,61cyclictest14049-21runrttasks23:53:010
20275999415,69cyclictest4692-21munin-node20:03:370
20275999414,71cyclictest17992-21proc_pri22:23:480
642929314,16sleep06442-21ntp_states20:08:440
20275999315,69cyclictest8027-21chrt23:33:250
20275999315,68cyclictest2472-21seq19:58:030
671329214,16sleep06724-21sensors_volt21:48:510
20275999214,69cyclictest18919-21munin-node22:28:570
20275999214,69cyclictest16202-21missed_timers22:18:430
20275999214,68cyclictest30385-21basename23:03:150
1599829215,16sleep016001-21df_inode23:58:190
1460829214,16sleep014609-21sshd23:53:360
20275999119,62cyclictest17444-21aten_r4power_cu00:03:140
20275999114,68cyclictest3533-21runrttasks00:41:250
2760229014,16sleep027603-21irqstats00:33:330
2362129014,16sleep023683-21cpu19:23:170
20275999024,56cyclictest24238-21munin-node22:43:370
20275999019,61cyclictest27157-21grep21:13:260
20275999015,66cyclictest25544-21if_err_eth019:28:280
20275999015,66cyclictest14518-21latency22:13:350
20275999014,67cyclictest4975-21open_files21:43:470
20275999014,67cyclictest12297-21munin-node20:28:140
20275999014,66cyclictest32263-21munin-node19:48:430
395628914,17sleep03946-40yum-updatesd-he23:20:090
20275998922,58cyclictest2676-21latency_hist23:18:020
20275998914,66cyclictest3533-21runrttasks19:21:550
20275998914,66cyclictest31526-21chrt19:47:560
20275998914,65cyclictest22627-21netstat20:58:440
20275998914,65cyclictest13918-21munin-node20:33:130
20275998815,63cyclictest8581-21munin-node21:54:060
20275998814,65cyclictest28662-21munin-node22:58:140
20275998733,45cyclictest41ktimersoftd/021:08:270
20275998732,45cyclictest41ktimersoftd/021:03:190
20275998726,23cyclictest32049-21munin-node21:28:270
20275998722,16cyclictest41ktimersoftd/022:53:370
20275998715,63cyclictest963-21cpu19:53:160
20275998714,65cyclictest3533-21runrttasks20:23:230
20275998633,44cyclictest41ktimersoftd/020:50:390
20275998632,45cyclictest41ktimersoftd/020:18:360
20275998632,45cyclictest41ktimersoftd/019:38:560
20275998631,45cyclictest41ktimersoftd/000:08:360
20275998631,16cyclictest41ktimersoftd/020:48:030
20275998615,62cyclictest9937-21ntp_states23:38:430
20275998615,62cyclictest30050-21sa121:23:010
20275998614,63cyclictest12798-21ls22:08:300
20275998614,61cyclictest11444-21ntp_states22:03:450
20275998531,16cyclictest41ktimersoftd/020:38:430
20275998530,46cyclictest41ktimersoftd/023:44:050
20275998530,16cyclictest41ktimersoftd/022:38:390
1063728513,15sleep00-21swapper22:02:410
20275998430,45cyclictest41ktimersoftd/021:33:140
20275998430,17cyclictest41ktimersoftd/022:33:310
20275998429,46cyclictest41ktimersoftd/023:23:240
20275998429,16cyclictest8057-21ntpq20:13:430
20275998428,16cyclictest41ktimersoftd/000:24:230
20275998329,16cyclictest41ktimersoftd/000:19:390
20275998328,16cyclictest41ktimersoftd/021:38:590
20275998314,60cyclictest20801-21munin-node20:53:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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