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2025-12-07 - 17:40
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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 100 highest latencies:
System rack4slot3.osadl.org (updated Sun Dec 07, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20155211718,77sleep020191-21unixbench_singl07:08:530
16738210714,29sleep016768-21ntp_kernel_pll_08:38:510
13575210214,16sleep013605-21munin-node08:29:020
2562210114,16sleep02573-21head09:34:120
13468210114,16sleep013471-21iostat_ios10:08:450
21083210014,16sleep021112-21df_inode07:13:280
63329913,16sleep0651-21netstat11:08:510
2833629914,16sleep028378-21munin-node12:33:540
2354129814,18sleep023555-21timerwakeupswit08:59:060
2266529814,16sleep022657-21latency_hist10:38:120
419929714,16sleep04226-21cat09:39:090
407429714,16sleep04080-21timerwakeupswit07:59:080
20892999715,72cyclictest25903-21munin-node09:09:570
20892999714,73cyclictest29928-21awk09:19:000
1834529714,16sleep018387-21nfs_client08:43:510
3225829614,16sleep03217-21snmpd07:48:160
1358629614,16sleep013587-21irqstats11:48:430
3129529514,16sleep031293-21ntp_states07:43:530
2470129513,15sleep024707-21munin-node09:03:400
20892999515,71cyclictest7035-21ntpq08:08:510
20892999515,70cyclictest22609-21basename07:18:260
20892999514,15cyclictest0-21swapper12:41:250
1500429515,18sleep015008-21hddtemp_smartct10:13:360
376029414,17sleep03764-21hddtemp_smartct11:18:370
20892999415,70cyclictest12116-21netstat11:43:490
20892999415,41cyclictest1793-21perl07:53:380
20892999414,70cyclictest14769-21seq11:53:210
1162029414,17sleep011621-21diskstats10:03:320
718729315,16sleep07188-21ntp_states09:48:570
547529314,16sleep05476-21irqstats11:23:430
3141929314,16sleep031415-21ntp_states09:23:560
20892999315,69cyclictest21392-21munin-node08:53:380
683129214,16sleep06834-21df11:28:290
20892999215,67cyclictest6055-21runrttasks09:45:090
20892999215,41cyclictest32340-21seq11:07:430
20892999213,70cyclictest20339-21smart_hda10:29:080
869629115,16sleep08694-21ntp_states08:13:560
20892999114,67cyclictest26398-21if_err_eth010:48:390
2554029014,16sleep025542-21yum12:24:130
20892999014,66cyclictest19648-21aten_r4power_cu12:08:230
2064129013,15sleep00-21swapper08:51:000
20892998915,65cyclictest4889-21munin-node08:03:240
20892998914,66cyclictest21955-21proc_pri12:13:570
20892998914,65cyclictest24772-21idleruntime10:43:380
2869428814,15sleep00-21swapper07:36:240
20892998815,64cyclictest15129-21netstat08:33:490
20892998815,64cyclictest10307-21ntp_states08:18:550
20892998814,65cyclictest29915-21munin-node10:58:570
20892998814,65cyclictest16467-21aten_r4power_po11:58:230
967628714,19sleep00-21swapper11:37:160
2294528714,16sleep022965-21df_abs10:38:290
20892998714,64cyclictest27871-21diskstats10:53:380
20892998614,62cyclictest3533-21runrttasks12:04:300
20892998614,62cyclictest1335-21runrttasks09:32:040
2452028514,16sleep024525-21smartctl07:23:380
2437228513,19sleep00-21swapper12:22:580
1745528513,19sleep00-21swapper10:20:290
20892998415,60cyclictest12120-21switchtime08:24:080
20892998413,62cyclictest25851-21munin-node07:28:240
193828414,16sleep01939-21entropy11:13:400
3044828314,15sleep00-21swapper07:42:290
2868028314,15sleep00-21swapper09:15:170
20892998314,33cyclictest26714-21needreboot12:28:500
981628214,15sleep00-21swapper11:38:130
933728213,19sleep00-21swapper09:55:270
1894428113,15sleep00-21swapper10:24:220
1118028113,15sleep00-21swapper10:02:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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