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2026-07-08 - 19:37
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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 Jul 08, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010470,0irq/46-4a1000002967-1kworker/u3:107:06:430
38869911187,0cyclictest16985-21irqstats12:29:430
38869911178,0cyclictest7005-21ps12:00:070
38869910984,0cyclictest17153-21memory07:44:520
38869910978,0cyclictest13345-21sed07:34:260
38869910887,0cyclictest13680-21meminfo12:19:590
38869910873,0cyclictest25728-21ntpq11:20:030
38869910872,0cyclictest19873-21latency_hist11:04:120
38869910870,0cyclictest11864-21irqstats12:14:440
38869910786,0cyclictest31775-21munin-run08:29:090
38869910786,0cyclictest31751-21munin-run10:04:090
38869910784,0cyclictest3321-21fw_forwarded_lo08:39:450
38869910784,0cyclictest18813-21meminfo10:59:570
38869910782,0cyclictest20555-21memory07:54:530
38869910776,0cyclictest32518-21/usr/sbin/munin11:40:000
38869910685,0cyclictest1714-21memory11:44:500
38869910684,0cyclictest25526-21/usr/sbin/munin08:09:430
38869910684,0cyclictest15079-21df_inode10:49:280
38869910682,0cyclictest8252-21df_inode10:29:270
38869910682,0cyclictest4878-21diskstats08:44:310
38869910682,0cyclictest3871-21users11:50:070
38869910682,0cyclictest18755-21irqstats09:24:470
38869910682,0cyclictest17093-21memory10:54:510
38869910677,0cyclictest28947-21fw_conntrack08:19:420
38869910677,0cyclictest11340-21date09:04:110
38869910674,0cyclictest16518-21/usr/sbin/munin09:20:160
38869910585,0cyclictest29082-21nfs4_client11:29:520
38869910584,0cyclictest4860-21diskstats10:19:320
38869910584,0cyclictest23612-21df_inode11:14:290
38869910584,0cyclictest15004-21df09:14:260
38869910583,0cyclictest6937-21memory07:15:110
38869910583,0cyclictest31205-21users11:35:060
38869910582,0cyclictest9728-21aten_r4power_vo12:09:190
38869910582,0cyclictest25772-21runrttasks09:44:580
38869910582,0cyclictest22074-21fw_conntrack09:34:390
38869910582,0cyclictest1350-21df08:34:240
38869910574,0cyclictest26799-21runrttasks11:24:180
38869910485,0cyclictest8899-21/usr/sbin/munin12:05:050
38869910484,0cyclictest6855-21meminfo10:24:480
38869910484,0cyclictest6306-21aten_r4power_en08:49:190
38869910484,0cyclictest22667-21users11:10:080
38869910483,0cyclictest8283-21diskstats08:54:330
38869910483,0cyclictest27049-21diskstats09:49:300
38869910483,0cyclictest10252-21irqstats07:24:460
38869910482,0cyclictest498-21users08:30:070
38869910482,0cyclictest18691-21fw_forwarded_lo07:49:390
38869910482,0cyclictest13538-21fw_forwarded_lo10:44:390
38869910482,0cyclictest11849-21fw_forwarded_lo09:04:410
38869910481,0cyclictest9957-21df_inode10:34:270
38869910481,0cyclictest3881-21users10:15:060
38869910481,0cyclictest21974-21diskstats07:59:350
38869910481,0cyclictest12016-21meminfo07:29:490
38869910480,0cyclictest15466-21memory07:40:020
38869910479,0cyclictest27031-21munin-node07:14:120
38869910473,0cyclictest24946-21modprobe08:09:080
38869910472,0cyclictest11737-21/usr/sbin/munin10:39:360
38869910469,0cyclictest8195-21/usr/sbin/munin07:19:240
38869910385,0cyclictest13685-21meminfo09:09:470
38869910382,0cyclictest20622-21ntp_states09:29:580
38869910381,0cyclictest15569-21/usr/sbin/munin12:24:590
38869910381,0cyclictest1427-21/usr/sbin/munin10:09:330
38869910380,0cyclictest32172-21df_inode10:04:290
38869910380,0cyclictest28748-21df_inode09:54:290
38869910379,0cyclictest23992-21memory09:40:140
38869910282,0cyclictest5176-21ntpdc11:54:540
38869910281,0cyclictest27074-21diskstats08:14:300
38869910276,0cyclictest18623-21fw_forwarded_lo12:34:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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