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2026-09-02 - 07:43
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack4slot2.osadl.org (updated Wed Sep 02, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502490,0irq/46-4a1000005566-1kworker/u3:119:04:170
7358999966,0cyclictest2089-21/usr/sbin/munin22:00:160
7358999676,0cyclictest6218-21sendmail-msp20:42:290
7358999672,0cyclictest31241-21users23:25:140
7358999663,0cyclictest12304-21threads00:05:090
7358999576,0cyclictest5601-21who23:45:140
7358999573,0cyclictest17821-21runrttasks21:11:350
7358999474,0cyclictest23446-21aten_r4power_cu19:54:130
7358999474,0cyclictest15826-21users00:15:040
7358999375,0cyclictest21756-21aten_r4power_po21:24:110
7358999373,0cyclictest25840-21find23:09:550
7358999372,0cyclictest454-21snmpd23:20:130
7358999372,0cyclictest11883-21fschecks_count19:19:370
7358999371,0cyclictest6041-21runrttasks20:37:540
7358999370,0cyclictest17122-21sshd19:34:350
7358999273,0cyclictest9784-21tr20:49:100
7358999269,0cyclictest32282-21/usr/sbin/munin21:54:270
7358999269,0cyclictest29116-21latency20:09:390
7358999269,0cyclictest14221-21runrttasks22:35:260
7358999268,0cyclictest454-21snmpd22:44:460
7358999255,0cyclictest6525-21/usr/sbin/munin22:14:190
7358999255,0cyclictest31122-21grep20:14:570
7358999255,0cyclictest13656-21fw_forwarded_lo19:24:370
7358999173,0cyclictest20173-21df_abs22:54:170
7358999172,0cyclictest16945-21/usr/sbin/munin00:19:410
7358999169,0cyclictest454-21snmpd22:39:420
7358999168,0cyclictest7930-21/usr/sbin/munin19:09:340
7358999168,0cyclictest25339-21sed21:34:180
7358999168,0cyclictest14171-21timerwakeupswit21:00:160
7358999167,0cyclictest9229-21latency_hist19:14:040
7358999167,0cyclictest15100-21df19:29:160
7358999162,0cyclictest0-21swapper21:23:500
7358999154,0cyclictest3295-21fw_packets23:39:470
7358999077,0cyclictest30371-21/usr/sbin/munin21:49:150
7358999071,0cyclictest11265-21latency_hist00:04:020
7358999069,0cyclictest19186-21mailstats19:40:090
7358999068,0cyclictest29715-21runrttasks21:46:070
7358999067,0cyclictest27472-21/usr/sbin/munin21:40:110
7358999054,0cyclictest25608-21fw_conntrack19:59:410
7358999052,0cyclictest15953-21/usr/sbin/munin21:05:170
7358998970,0cyclictest24560-21runrttasks23:06:170
7358998969,0cyclictest11963-21irqstats20:54:370
7358998968,0cyclictest589-21unixbench_singl20:20:170
7358998968,0cyclictest19606-21runrttasks22:52:410
7358998965,0cyclictest2578-21runrttasks20:27:260
7358998957,0cyclictest23194-21cron23:03:590
7358998956,0cyclictest22287-21open_files00:34:490
7358998872,0cyclictest7994-21aten_r4power_po23:54:100
7358998871,0cyclictest13574-21runrttasks00:09:400
7358998870,0cyclictest12883-21seq22:33:310
7358998869,0cyclictest27774-21unixbench_singl23:15:100
7358998868,0cyclictest8204-21df22:19:260
7358998867,0cyclictest24009-21meminfo21:29:560
7358998866,0cyclictest3990-21/usr/sbin/munin20:30:100
7358998859,0cyclictest2976-21/usr/sbin/munin22:04:170
7358998769,0cyclictest9793-21aten_r4power_vo22:24:130
7358998769,0cyclictest2935-1kworker/u3:122:09:080
7358998766,0cyclictest20436-21perl19:44:290
7358998765,0cyclictest32054-21df23:29:160
7358998764,0cyclictest6819-21memory23:49:460
7358998764,0cyclictest18788-21meminfo00:24:500
7358998762,0cyclictest18577-21chrt21:14:270
7358998669,0cyclictest1264-21cpuspeed23:34:130
7358998668,0cyclictest32193-1kworker/u3:220:47:090
7358998668,0cyclictest27970-21runrttasks20:05:280
7358998664,0cyclictest22558-21mailstats19:49:550
7358998663,0cyclictest20056-21cstates00:29:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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