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2025-12-06 - 15:16
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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 Sat Dec 06, 2025 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1672727560,5sleep016726-21munin-node07:08:380
5793212314,95sleep05796-21open_files09:53:570
15032211714,90sleep015087-21munin-node12:03:260
28610210213,17sleep028615-21grep09:24:050
15054210214,16sleep015078-21df_abs10:23:280
709210013,16sleep0730-21open_inodes07:58:580
10518210014,21sleep010529-21ntp_states08:28:520
2482529914,16sleep024826-21iostat_ios07:33:430
1403229914,15sleep014051-21sensors_temp10:19:000
1303429915,15sleep03217-21snmpd11:56:200
2726029813,16sleep027283-21timerandwakeup12:39:210
2215029813,72sleep021501-21munin-node12:23:560
538029714,15sleep05406-21cat08:13:360
515529717,16sleep05146-21latency_hist11:33:110
2637429714,15sleep026396-21if_err_eth007:38:390
17877999714,74cyclictest2431-21latency11:23:450
1800729614,15sleep03217-21snmpd10:33:080
253629514,15sleep02583-21processes09:44:000
1045629514,22sleep010469-21sed10:08:450
17877999415,70cyclictest12340-21proc_pri10:14:050
17877999414,71cyclictest30088-21processes09:28:590
3166029314,15sleep031658-21ntp_states09:34:020
3126229314,15sleep031286-21df11:13:270
2677429315,16sleep026777-21ntp_states09:18:560
17877999315,68cyclictest23873-21sshd07:29:530
17877999314,70cyclictest9758-21chrt11:46:030
17877999314,70cyclictest3235-21sshd08:43:540
17877999314,70cyclictest1511-21chrt09:41:390
919629214,64sleep09241-21date10:04:040
371529214,16sleep03718-21df_inode09:48:290
2007229214,16sleep020074-21irqstats08:58:440
1995929214,16sleep019962-21df_inode10:38:300
17877999215,16cyclictest20517-21ntp_states12:18:540
765529114,15sleep07671-21timerwakeupswit09:59:060
2689429114,15sleep026892-21ntp_states10:58:570
17877999115,67cyclictest18138-21munin-node10:34:020
547229014,15sleep05475-21diskstats11:33:310
2830629014,15sleep028309-21iostat_ios11:03:440
1973129013,15sleep00-21swapper12:17:570
17877999015,67cyclictest10886-21processes11:49:020
17877999014,66cyclictest21144-21munin-node07:24:120
17877998915,65cyclictest3381-21munin-node08:08:590
17877998915,65cyclictest11992-21latency08:33:450
17877998915,64cyclictest327402sleep011:18:210
17877998915,64cyclictest26257-21munin-run12:38:110
17877998915,37cyclictest24852-21forks10:53:330
17877998914,66cyclictest31096-21latency_hist11:13:120
17877998914,66cyclictest18288-21fschecks_count08:53:390
17877998914,65cyclictest23053-21aten_r4power_en10:48:230
17877998914,38cyclictest18086-21df_abs07:13:290
1660028914,15sleep016606-21entropy08:48:340
17877998815,64cyclictest22530-21seq09:06:130
17877998814,65cyclictest3533-21runrttasks08:40:310
17877998813,66cyclictest23384-21fschecks_count12:28:340
17877998813,66cyclictest14397-21munin-node11:59:120
2569728714,15sleep00-21swapper09:15:350
17877998715,62cyclictest8250-21latency_hist08:23:120
17877998714,64cyclictest21607-21munin-node10:43:350
2960628614,16sleep029610-21smartctl07:48:350
279528613,15sleep00-21swapper08:04:360
2096228613,15sleep00-21swapper07:22:420
17877998614,63cyclictest8693-21munin-node08:23:380
17877998613,37cyclictest16910-21cut12:08:340
2784228513,15sleep027843-21diskstats07:43:300
17877998514,62cyclictest31119-21fschecks_count07:53:320
17877998314,36cyclictest7270-21if_err_eth011:38:390
2400328213,15sleep00-21swapper09:09:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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