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2025-12-04 - 17:12
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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 Thu Dec 04, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298709915214,69cyclictest29228-21awk12:08:490
298709915015,67cyclictest25776-21seq10:18:460
298709914813,72cyclictest2634-21aten_r4power_en10:48:220
298709914715,67cyclictest20716-21kernelversion08:23:430
298709913414,66cyclictest1406-21netstat09:03:480
28245210918,74sleep028301-21aten_r4power_po07:08:220
3275321030,4sleep032754-21uptime10:39:100
5043210014,15sleep05044-21ntp_states12:33:550
298709910015,76cyclictest5410-21chrt07:37:060
16433210014,15sleep03217-21snmpd08:09:180
1065029814,16sleep010651-21munin-node09:33:230
2966129714,15sleep03217-21snmpd10:30:180
3180729514,15sleep031810-21df08:58:340
29870999515,71cyclictest30006-21munin-node08:53:230
29870999515,71cyclictest23882sleep010:47:290
1923429414,16sleep019238-21hddtemp_smartct11:38:350
1416629414,16sleep014198-21iostat08:03:400
3195929314,15sleep032000-21latency07:18:470
29870999314,70cyclictest8096-21proc_pri09:23:560
29870999314,70cyclictest3533-21runrttasks10:03:370
29870999314,70cyclictest27826-21ls10:24:080
29870999314,69cyclictest14643-21munin-node11:23:520
141629314,15sleep01420-21hddtemp_smartct12:23:340
470729214,15sleep04708-21iostat_ios10:53:400
29870999215,68cyclictest30465-21entropy12:13:310
29870999215,67cyclictest7864-21perl11:03:340
29870999214,68cyclictest6462-21munin-node07:39:010
2601429214,16sleep026017-21ntp_states11:58:530
29870999115,66cyclictest25083-21runrttasks11:56:430
1915329114,16sleep019161-21memory08:18:470
29870999015,66cyclictest3533-21runrttasks10:13:520
29870998914,66cyclictest9545-21if_eth011:08:380
29870998914,66cyclictest30158-21fschecks_count07:13:310
29870998914,65cyclictest3533-21runrttasks11:13:570
29870998914,38cyclictest23360-21chrt08:32:540
29870998815,63cyclictest26972-21sshd08:43:310
29870998815,36cyclictest898-21munin-node07:23:280
29870998814,65cyclictest30128-21munin-node10:33:370
29870998814,65cyclictest29089-21processes08:48:570
29870998814,65cyclictest0-21swapper07:31:390
29870998814,38cyclictest12095-21cat07:58:110
29870998714,64cyclictest5996-21forks09:18:300
29870998713,65cyclictest16041-21munin-node09:48:480
29870998713,65cyclictest16032-21if_eth011:28:370
2306928714,15sleep023070-21sshd10:09:300
1523928714,15sleep00-21swapper09:46:500
29870998614,64cyclictest3533-21runrttasks09:28:590
29870998614,63cyclictest12273-21munin-node09:38:510
29870998614,36cyclictest3533-21runrttasks12:20:340
29870998614,36cyclictest17683-21interrupts11:33:390
29870998515,61cyclictest3118-21munin-node09:08:560
29870998514,63cyclictest3533-21runrttasks08:13:160
29870998514,61cyclictest9321-21iostat07:48:360
863628415,16sleep029869-21cyclictest07:46:560
655028413,15sleep00-21swapper10:58:580
29870998414,61cyclictest5587-21sshd09:17:340
29870998414,61cyclictest13618-40yum-updatesd11:20:510
29870998414,16cyclictest0-21swapper12:42:290
29870998413,63cyclictest3533-21runrttasks08:39:130
29870998314,62cyclictest13199-21runrttasks07:59:250
1875928313,15sleep018770-21aten_r4power_cu09:58:220
29870998217,55cyclictest23942-21iostat_ios08:33:390
29870998215,57cyclictest20507-21munin-node11:43:220
29870998214,58cyclictest17464-21fschecks_time09:53:330
293928214,55sleep02940-21entropy12:28:310
2275028214,55sleep022768-21ntp_states11:48:520
29870998014,55cyclictest27514-21memory12:03:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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