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2025-09-19 - 11:47
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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 Fri Sep 19, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2127821260,4sleep021277-21cut22:42:430
31383210314,16sleep031419-21interrupts23:13:000
2254210215,16sleep02261-21needreboot21:43:100
7457210113,74sleep07512-21aten_r4power_po20:17:430
30320210014,15sleep030372-21munin-node23:08:310
2488210014,15sleep02508-21open_inodes23:23:190
20267210014,16sleep020268-21load00:18:070
2668529914,15sleep026693-21expr22:58:100
18665999914,75cyclictest15555-21munin-node20:43:200
2990029814,16sleep029898-21ntp_states21:28:160
2557529814,16sleep024626-21munin-node00:33:300
1240229814,16sleep012429-21sensors_temp23:53:260
2760729713,15sleep03217-21snmpd00:41:180
70729613,16sleep0705-21ntp_states21:38:180
350429614,15sleep00-21swapper20:03:320
2470629615,16sleep024709-21diskstats22:52:500
2154029614,15sleep021543-21iostat_ios21:02:560
847129514,16sleep08472-21diskstats22:02:500
2784429514,68sleep027845-21munin-node21:22:520
1368729514,16sleep013690-21iostat23:58:030
1172029513,15sleep011723-21diskstats22:12:520
2581629415,16sleep025822-21ntp_states19:33:140
2351929414,15sleep023522-21ntp_states22:48:140
18665999415,69cyclictest19948-21chrt20:54:360
18665999415,41cyclictest19451-21munin-node19:13:200
18665999414,70cyclictest5814-21munin-node20:13:130
150829413,15sleep01511-21ntp_states19:58:170
942029323,16sleep09418-21hddtemp_smartct20:23:000
2479929313,16sleep024802-21iostat21:13:010
2318529314,16sleep023187-21irqstats21:08:030
18665999314,70cyclictest30382-21fschecks_time19:47:560
2617529214,16sleep026178-21df21:17:480
2031029214,15sleep020360-21cut19:17:440
2028129214,15sleep020284-21ntp_states22:38:190
18665999215,68cyclictest13231-21timerwakeupswit20:33:310
18665999214,69cyclictest15162-21fschecks_time00:02:540
18665999214,69cyclictest14516-21netstat20:38:150
18665999214,68cyclictest15199-21munin-node22:23:040
989729114,15sleep09913-21latency_hist23:47:320
60629113,15sleep0607-21iostat_ios23:18:020
2885429114,15sleep028857-21iostat19:43:030
18665999115,67cyclictest6870-21fschecks_count21:57:520
1754529113,15sleep00-21swapper00:08:410
3109429014,16sleep031095-21diskstats21:32:550
18665999015,66cyclictest18290-21munin-node22:32:550
18665999014,67cyclictest3533-21runrttasks00:32:210
18665999014,67cyclictest3377-21munin-node21:47:440
18665999014,67cyclictest23617-21aten_r4power_po19:27:440
3201528914,15sleep032021-21hddtemp_smartct19:52:550
2732628913,62sleep027342-21missed_timers19:38:100
18665998915,65cyclictest3533-21runrttasks20:47:510
18665998914,66cyclictest117702sleep020:29:060
18665998913,67cyclictest21386-21munin-node00:22:460
18665998815,64cyclictest3502-21munin-node23:28:270
18665998814,64cyclictest3533-21runrttasks23:37:340
18665998714,36cyclictest3533-21runrttasks00:14:390
558128617,15sleep00-21swapper20:11:350
18665998614,63cyclictest10050-21munin-node23:47:450
18665998614,15cyclictest0-21swapper20:59:140
1669628613,15sleep00-21swapper22:27:550
2818728514,58sleep028188-21iostat_ios23:03:050
2311028514,58sleep03217-21snmpd19:24:510
1417828518,14sleep00-21swapper22:18:440
18665998415,33cyclictest9896-21munin-node22:08:220
1806728413,15sleep00-21swapper19:08:340
647728314,15sleep00-21swapper21:57:080
18665998215,46cyclictest6134-21unixbench_singl23:33:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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