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2026-08-19 - 23:20
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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 Aug 19, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12230210214,16sleep012267-21munin-node10:25:360
20985210114,16sleep021037-21munin-node12:31:090
1792210114,17sleep03250-21snmpd09:54:050
197789910015,76cyclictest6901-21munin-node08:30:340
197789910014,76cyclictest18409-21munin-node12:25:570
18897210014,16sleep018895-21ntp_states09:05:520
1165829914,16sleep011691-21latency_hist08:45:090
2723629814,25sleep026439-21munin-node11:10:580
2870529615,16sleep028703-21ntp_states11:15:520
719229514,16sleep07229-21cut10:10:270
284629515,16sleep02860-21ls08:16:020
2576529514,16sleep025787-21grep11:06:070
2176629515,16sleep021770-21hddtemp_smartct07:35:320
2044229515,16sleep020445-21ntp_states07:30:510
2893129416,16sleep028974-21grep09:36:070
19778999414,71cyclictest3568-21runrttasks09:42:030
1700329414,16sleep017004-21diskstats12:20:310
66429314,16sleep0668-21hddtemp_smartct08:10:310
425829314,15sleep04260-21irqstats11:40:390
2878729315,16sleep028785-21ntp_states12:55:530
2678129315,16sleep026840-21perl12:50:310
19778999319,51cyclictest26174-21basename07:50:080
1390529314,16sleep013906-21memory08:50:430
1255929314,17sleep012557-21ntp_states12:05:490
1179829314,16sleep03250-21snmpd12:05:060
595129214,15sleep05959-21memory11:45:440
19778999215,68cyclictest3918-21df_abs10:00:240
19778999215,68cyclictest19876-21munin-node09:10:190
19778999214,69cyclictest9010-21if_eth010:15:360
19778999214,69cyclictest23196-21munin-node11:00:260
19778999213,70cyclictest4253-21netstat08:20:460
588029114,16sleep05883-21memory10:05:460
19778999117,64cyclictest15092-21munin-node10:35:270
19778999115,67cyclictest9606-21timerwakeupswit11:56:060
19778999114,68cyclictest19954-21munin-node10:50:560
19778999114,67cyclictest31654-21hddtemp_smartct11:25:310
19778999113,69cyclictest3568-21runrttasks07:56:100
3166629014,16sleep031669-21irqstats09:45:400
19778999015,65cyclictest26476-21munin-node09:30:210
19778999014,67cyclictest2041-21munin-node09:55:200
19778999013,68cyclictest9344-21switchtime08:36:000
19778999013,68cyclictest17318-21proc_pri09:00:540
144429014,17sleep01473-21head11:31:070
1418829014,16sleep014186-21ntp_states12:10:510
19778998915,64cyclictest7273-21diskstats11:50:270
19778998914,66cyclictest23524-21if_eth009:20:340
19778998914,38cyclictest23360-21wget12:40:210
19778998913,67cyclictest3568-21runrttasks08:02:250
19778998913,67cyclictest24898-21munin-node12:45:200
19778998816,63cyclictest18396-21aten_r4power_po10:45:200
19778998815,63cyclictest21609-21aten_r4power_en10:55:200
19778998814,65cyclictest26872-21netstat07:50:450
656828714,15sleep06569-21sshd08:28:210
2191728714,15sleep021923-21iostat09:15:370
19778998714,63cyclictest12080-21fschecks_time08:45:310
19778998713,65cyclictest2576-21iostat_ios11:35:380
1929328714,15sleep00-21swapper07:27:050
19778998614,63cyclictest32019-21timerandwakeup08:06:010
19778998614,63cyclictest13467-21munin-node10:31:120
19778998613,36cyclictest258872sleep009:27:100
1670428613,19sleep00-21swapper10:40:180
1624128614,19sleep00-21swapper12:16:370
19778998515,61cyclictest23637-21netstat07:40:460
19778998514,17cyclictest0-21swapper11:22:470
1604528513,19sleep00-21swapper08:56:180
1140128413,19sleep00-21swapper10:22:270
2274428213,19sleep00-21swapper12:36:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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