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2025-12-01 - 15:47
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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 100 highest latencies:
System rack4slot3.osadl.org (updated Mon Dec 01, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22109212217,26sleep022193-21tune2fs07:08:290
6547210414,16sleep06572-21ls11:18:470
2710210314,76sleep02720-21forks07:48:360
6439210215,16sleep06459-21munin-node07:58:560
30298210215,15sleep030301-21df09:13:250
29533210214,16sleep029548-21munin-node12:28:590
235099910215,77cyclictest24781-21chrt07:16:040
22489210214,15sleep022496-21ls10:28:360
19489210214,16sleep019509-21ntpdc10:18:480
9152210115,16sleep09202-21df08:08:270
7810210014,16sleep07826-21iostat08:03:350
28686210015,16sleep028712-21df_inode09:08:270
2105329914,16sleep021057-21iostat_ios12:03:370
176229915,16sleep01789-21switchtime09:24:010
1568529914,16sleep015688-21df08:28:230
3198929815,17sleep031994-21hddtemp_smartct07:38:340
1306129813,16sleep013089-21ps09:58:540
94729614,16sleep0992-21latency_hist11:03:100
2711729614,16sleep027121-21sh07:23:320
2099829614,16sleep021020-21load10:23:440
1928429615,16sleep019292-21memory08:38:470
1586229614,16sleep015894-21grep10:08:330
2910929514,16sleep028396-21munin-node07:28:580
1735029514,16sleep017353-21diskstats08:33:270
490929415,15sleep04917-21memory11:13:440
3221129414,16sleep032214-21iostat_ios09:18:510
2892129414,17sleep028969-21perl10:48:330
2777529414,16sleep027770-21ntp_states12:23:530
2582629414,16sleep025854-21ps07:18:560
23509999414,70cyclictest25946-21munin-node08:58:540
2261429414,15sleep022635-21if_err_eth012:08:350
3089929314,16sleep030917-21munin-node10:53:540
446529214,16sleep04477-21df_inode09:33:250
3068029215,16sleep030710-21proc_pri07:33:570
23509999214,68cyclictest9811-21munin-node09:48:580
1839129214,16sleep018392-21users11:54:120
1436429214,16sleep014407-21fschecks_count11:43:320
773929114,16sleep07747-21munin-node09:43:300
3243729113,15sleep032458-21kernelversion12:38:420
23509999114,68cyclictest19786-21munin-node11:58:570
158229114,16sleep01590-21memory11:03:460
1082629114,16sleep010829-21df08:13:270
2613129014,15sleep026142-21ntp_states12:18:500
23509999016,65cyclictest16450-21munin-node11:48:570
23509999015,66cyclictest24331-21munin-node08:53:590
23509999015,65cyclictest30763-21munin-node12:33:350
23509999014,66cyclictest12830-21fschecks_time11:38:300
1226029013,15sleep00-21swapper09:58:020
23509998914,66cyclictest3533-21runrttasks11:36:130
23509998914,66cyclictest15056-21chrt10:04:170
416428813,19sleep00-21swapper11:12:120
301128814,16sleep03043-21iostat09:28:410
23509998814,64cyclictest25285-21sshd12:17:180
2577228714,16sleep025806-21iostat10:38:380
23509998714,64cyclictest14471-21needreboot08:23:470
2329828714,15sleep00-21swapper08:51:210
1250528715,59sleep012558-21fschecks_time08:18:310
23509998614,63cyclictest27162-21cpu10:43:270
213428614,19sleep00-21swapper07:46:250
2064228614,16sleep020707-21perl08:43:320
1726228613,15sleep017263-21munin-node10:13:200
1064428614,19sleep00-21swapper11:32:050
2511328514,19sleep00-21swapper10:36:540
23509998514,63cyclictest26895-21munin-node09:03:190
532228413,15sleep00-21swapper07:55:180
23509998415,60cyclictest9001-21runrttasks11:26:530
702728114,15sleep00-21swapper09:40:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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