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2025-12-23 - 21:01
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Tue Dec 23, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1843424970,6sleep018435-21cat07:10:020
184469911741,56cyclictest2898-21chrt12:30:360
184469911491,13cyclictest0-21swapper/007:10:040
184469911472,32cyclictest11275-21ntp_kernel_err10:55:340
184469911444,49cyclictest25505-21sed09:45:080
184469911356,44cyclictest25063-21wget11:50:200
184469911251,46cyclictest1305-21snmpd08:01:050
184469911244,50cyclictest3963-21chrt08:20:380
184469911244,33cyclictest4588-21munin-run10:30:020
184469911240,51cyclictest26183-21fw_conntrack09:45:410
184469911236,38cyclictest22540-21ntp_states11:40:380
184469911184,20cyclictest16366-21latency_hist09:10:070
184469911148,45cyclictest29515-21munin-run10:00:030
184469911140,34cyclictest11894-21ntp_states08:51:220
184469911139,51cyclictest7072-21run-parts10:40:020
184469911067,32cyclictest22015-21fw_conntrack09:30:250
184469911038,20cyclictest2695-21ntp_states08:15:410
184469911034,37cyclictest32289-21/usr/sbin/munin10:10:150
184469911033,20cyclictest21254-21/usr/sbin/munin07:20:230
184469910836,36cyclictest29854-21diskstats10:00:220
184469910767,31cyclictest7387-21runrttasks08:35:150
184469910766,33cyclictest13420-21seq11:05:120
184469910765,33cyclictest15972-21seq11:15:150
184469910765,32cyclictest18324-21irqstats09:15:320
184469910735,36cyclictest1445-21chrt08:10:410
184469910735,34cyclictest1305-21snmpd07:36:000
184469910735,19cyclictest1719-21ntp_states12:25:420
184469910733,37cyclictest26718-21ntpq11:56:140
184469910642,32cyclictest16948-21df09:10:260
184469910641,46cyclictest31298-21wget12:15:160
184469910562,33cyclictest23216-21sshd09:35:180
184469910561,33cyclictest21507-21users11:35:510
184469910537,49cyclictest23518-21/usr/sbin/munin07:30:220
184469910535,33cyclictest9895-21diskstats10:50:240
184469910447,19cyclictest2301-21aten_r7power_po10:20:150
184469910438,47cyclictest1001-21aten_r7power_po10:15:130
184469910437,39cyclictest19971-21memory11:30:350
184469910430,36cyclictest4902-21wget08:25:160
184469910373,21cyclictest13007-21/usr/sbin/munin08:55:350
184469910358,37cyclictest28920-21chrt07:50:440
184469910332,36cyclictest17372-21df_inode11:20:180
184469910332,35cyclictest27825-21sshd09:51:190
184469910332,20cyclictest8949-21ntp_states08:40:410
184469910264,26cyclictest23633-21fw_forwarded_lo11:45:280
184469910263,30cyclictest30592-21runrttasks12:10:490
184469910262,31cyclictest483-21ntpq12:21:030
184469910259,33cyclictest5097-21ntpq10:30:390
184469910237,48cyclictest8323-21latency_hist10:45:030
184469910236,35cyclictest27372-21wget07:45:140
184469910234,31cyclictest30966-21wget10:05:130
184469910145,38cyclictest32553-21netstat08:05:360
184469910143,39cyclictest14957-21seq11:10:310
184469910140,21cyclictest20081-21chrt07:15:330
184469910070,21cyclictest12254-21aten_r7power_po11:00:150
184469910052,37cyclictest26640-21/usr/sbin/munin07:40:500
184469910049,39cyclictest9976-21df08:45:160
18446999968,23cyclictest8841-21runrttasks10:45:420
18446999954,34cyclictest22491-21diskstats07:25:210
18446999951,32cyclictest3650irq/20-4900000012:06:530
18446999933,51cyclictest29992-21chrt07:55:290
18446999933,48cyclictest3878-21wget12:35:160
18446999768,19cyclictest19319-21runrttasks11:28:120
18446999758,33cyclictest10150irq/55-4a10000009:25:160
18446999751,36cyclictest6059-21/usr/sbin/munin08:30:140
18446999565,21cyclictest13957-21aten_r7power_en09:00:120
18446999554,31cyclictest19985-21sshd09:21:180
18446999261,21cyclictest27591-21aten_r7power_po12:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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