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2025-12-09 - 08:05
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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 the highest latencies:
System rack4slot2.osadl.org (updated Tue Dec 09, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73503410,0irq/45-4a10000012130-1kworker/u3:119:03:020
16502999172,0cyclictest32658-21runrttasks00:35:590
16502999169,0cyclictest466-21runrttasks23:02:520
16502999155,0cyclictest20-21kcompactd020:49:280
16502999071,0cyclictest16981-21runrttasks20:40:460
16502999069,0cyclictest32344-21runrttasks22:59:060
16502999067,0cyclictest30189-21ntpq22:53:360
16502999059,0cyclictest17286-21copy20:42:460
16502999054,0cyclictest9316-21/usr/sbin/munin20:18:200
16502998970,0cyclictest30149-21processes21:18:360
16502998968,0cyclictest24000-21runrttasks21:02:050
16502998967,0cyclictest29070-21chrt19:42:360
16502998965,0cyclictest21131-21fw_forwarded_lo19:18:160
16502998964,0cyclictest11408-21ntpdc23:33:280
16502998955,0cyclictest17595-21latency_hist23:52:480
16502998954,0cyclictest15325-21chrt20:36:260
16502998953,0cyclictest23960-21https19:27:390
16502998875,0cyclictest14253-21/usr/sbin/munin23:42:550
16502998865,0cyclictest24674-21df00:13:060
16502998865,0cyclictest16913-21df_abs19:08:080
16502998768,0cyclictest13331-21runrttasks20:29:050
16502998767,0cyclictest4682-21unixbench_singl20:03:430
16502998765,0cyclictest27503-21runrttasks00:20:430
16502998765,0cyclictest20184-21runrttasks19:15:040
16502998763,0cyclictest31465-21/usr/sbin/munin19:48:180
16502998762,0cyclictest32212-21sshd21:24:040
16502998753,0cyclictest32732-21latency_hist21:27:410
16502998752,0cyclictest29817-21sshd00:28:040
16502998670,0cyclictest28752-21runrttasks22:49:360
16502998669,0cyclictest28412-21runrttasks21:13:350
16502998668,0cyclictest6262-21processes21:43:350
16502998666,0cyclictest30093-21/usr/sbin/munin19:43:360
16502998666,0cyclictest2534-21memory19:58:280
16502998665,0cyclictest19631-21df23:58:060
16502998664,0cyclictest11474-21ls20:23:420
16502998663,0cyclictest27690-21grep22:47:410
16502998663,0cyclictest24242-21cut21:02:550
16502998663,0cyclictest12748-21df_abs23:38:020
16502998653,0cyclictest13582-21sshd22:05:030
16502998569,0cyclictest26167-21fschecks_count19:33:110
16502998567,0cyclictest7217-21wget21:47:540
16502998567,0cyclictest24482-21tr22:37:560
16502998567,0cyclictest24375-21df_abs19:28:160
16502998567,0cyclictest14477-21fschecks_time22:08:120
16502998566,0cyclictest18288-21processes22:18:340
16502998565,0cyclictest20778-21runrttasks20:52:510
16502998563,0cyclictest16208-21diskstats23:48:070
16502998562,0cyclictest23630-21grep00:09:390
16502998552,0cyclictest2324-21/usr/sbin/munin21:33:040
16502998467,0cyclictest26200-21df_abs21:08:050
16502998464,0cyclictest10479-21munin-run21:57:400
16502998463,0cyclictest4378-21meminfo21:38:250
16502998463,0cyclictest16362-21meminfo22:13:240
16502998462,0cyclictest8580-21runrttasks20:17:240
16502998460,0cyclictest21794-21nfs4_client00:04:180
16502998452,0cyclictest23582-21/usr/sbin/munin22:33:410
16502998449,0cyclictest21149-21sshd22:28:030
16502998365,0cyclictest3312-1kworker/u3:023:18:040
16502998364,0cyclictest2708-21kernelversion23:08:210
16502998363,0cyclictest7647-21diskstats23:23:080
16502998362,0cyclictest10629-21chrt21:57:510
16502998361,0cyclictest9647-21memory23:28:270
16502998361,0cyclictest28605-21ntp_states00:23:330
16502998361,0cyclictest20735-21runrttasks22:27:180
16502998265,0cyclictest32642-21/usr/sbin/munin19:52:580
16502998261,0cyclictest5508-21/usr/sbin/munin20:07:580
16502998260,0cyclictest4507-21missed_timers23:13:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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