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2026-04-29 - 05:01
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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 Wed Apr 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195021050,4sleep01952-21sort22:04:040
2025821020,4sleep020257-21cat00:39:210
8931210014,16sleep08972-21awk22:24:260
1115221000,4sleep011153-21sed22:33:280
2983529920,16sleep029874-21unixbench_singl20:09:240
1662329915,16sleep016645-21cut00:29:000
3050629815,15sleep03250-21snmpd23:32:570
2300729815,15sleep03347-21lldpd21:29:010
1439529813,15sleep014396-21diskstats19:23:450
1307329813,15sleep013103-21tune2fs22:38:490
1083729813,15sleep03250-21snmpd20:51:510
791829713,15sleep07972-21aten_r4power_po20:43:380
646429714,16sleep06522-21aten_r4power_po23:58:390
2826829714,20sleep028296-21timerwakeupswit21:44:230
12552999716,70cyclictest25745-21munin-node21:39:030
1178929714,16sleep011787-21ntp_states20:54:100
2246329614,16sleep03321-21lldpd19:48:420
1831229614,15sleep018320-21memory00:34:030
704929515,16sleep07074-21processes22:19:140
516629514,16sleep05169-21iostat22:13:560
1806629513,15sleep018071-21ntp_states19:34:080
12552999514,71cyclictest32432-21fschecks_time20:18:480
12552999514,71cyclictest13130-21smartctl20:58:520
455329414,16sleep04551-21latency_hist20:33:270
2596429413,15sleep025968-21hddtemp_smartct19:58:510
12552999415,69cyclictest27491-21munin-node20:03:470
12552999414,71cyclictest1340-21munin-node20:23:530
628529314,16sleep06328-21cut20:38:380
3095029315,16sleep030953-21iostat20:13:540
3095029314,15sleep030954-21hddtemp_smartct21:53:500
1690629314,15sleep016955-21grep22:49:230
12552999315,68cyclictest11663-21hddtemp_smartct00:13:510
12552999314,70cyclictest3402-21crond23:09:270
12552999314,70cyclictest24122-21munin-node21:33:480
12552999314,70cyclictest16972-21unixbench_singl21:09:250
841229214,16sleep08416-21hddtemp_smartct00:03:510
2129829213,15sleep021302-21hddtemp_smartct23:03:510
12552999215,68cyclictest17700-21chrt22:53:320
12552999214,69cyclictest3118-21ls23:48:290
12552999214,69cyclictest21527-21cat19:44:210
2662429113,15sleep026629-21smart_hda23:19:190
1978529114,15sleep019810-21ls21:19:060
1607329114,16sleep016072-21pluginstate00:28:280
1481729114,15sleep014821-21sh21:03:570
12552999115,67cyclictest21854-21munin-node00:44:230
12552999114,68cyclictest24716-21sshd19:54:160
1187029113,16sleep011873-21ntp_states22:34:110
3090129014,15sleep030914-21forks23:33:490
1291729014,16sleep012922-21hddtemp_smartct19:18:520
12552999015,66cyclictest24426-21forks23:13:480
12552999014,39cyclictest3568-21runrttasks20:34:060
12552999013,67cyclictest21666-21sendmail_mailtr21:24:170
12552998915,37cyclictest29391-21munin-node21:48:540
12552998914,66cyclictest5422-21munin-node23:54:060
12552998914,66cyclictest16047-21fschecks_count19:28:470
12552998815,64cyclictest16026-21cat22:48:280
12552998714,64cyclictest20262-21timerwakeupswit22:59:260
12552998714,63cyclictest11204-21munin-run00:13:270
1293828614,15sleep00-21swapper00:18:380
12552998615,63cyclictest37102sleep023:49:030
12552998615,62cyclictest3631-21cut22:09:010
12552998614,35cyclictest19074-21aten_r4power_cu19:38:370
3230028414,57sleep03250-21snmpd23:38:360
12552998414,61cyclictest17637-21munin-node21:13:390
12552998316,58cyclictest32279-21aten_r4power_en21:58:400
1210628313,15sleep00-21swapper19:15:440
2742727813,15sleep00-21swapper23:23:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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