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2025-12-17 - 17:17
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Wed Dec 17, 2025 12:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243495922680,2sleep02434961-21cat10:21:180
240824322610,3chrt2408213-21ntp_states08:46:050
245086322510,3sleep02450865-21wc11:20:070
239294122430,3chrt2392931-21ntpq07:51:110
241104122290,2chrt2411038-21ntpq08:56:110
242173922270,3chrt2421740-21grep09:35:120
243267322210,2sleep02432675-21cron10:15:010
238107799213184,19cyclictest2458263-21kworker/u2:111:46:170
238468622100,2sleep02384687-21/usr/sbin/munin07:21:170
243626122070,2sleep02436263-21sendmail_mailtr10:26:150
245113422050,2sleep02451136-21uname11:20:260
243728621850,4chrt2437287-21missed_timers10:30:290
238107799165137,19cyclictest2463351-21kworker/u2:112:15:290
240946121640,2sleep02409464-21grep08:50:330
246358421630,4chrt2463585-21forks12:05:200
238980121630,4chrt2389799-21if_wlan007:40:220
244831221610,4chrt2448142-21/usr/sbin/munin11:10:220
240211021610,3chrt2402108-21cat08:25:070
238186921610,4chrt2381861-21mailstats07:11:170
244720121600,4chrt2447189-21ntpq11:05:550
238107799159132,18cyclictest2439676-21kworker/u2:110:50:530
238107799149118,20cyclictest2439676-21kworker/u2:111:35:010
238107799147119,19cyclictest2417384-21kworker/u2:109:30:450
247045621360,3sleep02470457-21dpkg12:30:110
243305421350,2sleep02433055-21latency10:15:270
239932721270,2sleep02399328-21cut08:15:070
239175821250,2sleep02391760-21xargs07:46:170
246954621160,2sleep02469544-21ntp_states12:26:050
238056321160,2sleep02380565-21ls07:06:030
23810779910980,19cyclictest2382487-21kworker/u2:207:25:370
23810779910778,19cyclictest2463351-21kworker/u2:112:13:070
2446106210677,18sleep02445248-21kworker/u2:011:01:210
23810779910373,19cyclictest2404827-21kworker/u2:208:44:090
2381077999868,19cyclictest2424363-21kworker/u2:310:04:090
2381077999769,19cyclictest2431746-21kworker/u2:010:45:030
2381077999768,18cyclictest2454752-21kworker/u2:011:36:280
2381077999767,20cyclictest2424363-21kworker/u2:310:00:000
2381077999164,18cyclictest2442920-21kworker/u2:210:59:180
2381077999163,19cyclictest2412301-21kworker/u2:009:20:130
2381077999151,17cyclictest2416459-21ntpq09:15:400
2381077999061,19cyclictest2382487-21kworker/u2:208:16:110
2381077998961,18cyclictest2382487-21kworker/u2:208:08:000
2381077998951,26cyclictest2383045-21ntpq07:15:540
2381077998759,19cyclictest2412301-21kworker/u2:009:08:450
2381077998756,20cyclictest2389146-31find07:37:200
2381077998756,18cyclictest2463378-21latency_hist12:05:050
2381077998755,20cyclictest2423297-21grep09:40:250
2381077998749,14cyclictest2426052-21kernelversion09:50:250
2381077998656,19cyclictest2387475-21switchtime07:31:160
2381077998656,18cyclictest2424899-21ntpq09:45:530
2381077998648,13cyclictest2414882-21awk09:10:240
2381077998648,13cyclictest2406248-21munin-run08:40:050
2381077998647,14cyclictest2395592-21awk08:00:420
2381077998556,18cyclictest885-21mta-sts-daemon10:05:220
2381077998556,18cyclictest2456922-21ntpq11:40:480
2381077998556,18cyclictest2438472-21df_inode10:35:160
2381077998556,17cyclictest2461711-21runrttasks11:58:100
2381077998555,19cyclictest2441669-21ntpq10:46:020
2381077998555,19cyclictest2403424-21idleruntime-cro08:30:010
2381077998555,18cyclictest885-21mta-sts-daemon11:55:060
2381077998548,14cyclictest2404249-21sensors_temp08:31:180
2381077998546,15cyclictest2393903-21runrttasks07:55:200
2381077998546,14cyclictest2472169-21runrttasks12:35:360
2381077998546,13cyclictest2468143-21ntpq12:21:010
2381077998545,15cyclictest358-21snmpd11:27:300
2381077998456,18cyclictest2417384-21kworker/u2:109:26:160
2381077998446,14cyclictest2412246-21ntpq09:00:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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