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2025-12-08 - 00:42
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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 Sun Dec 07, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91349917739,18cyclictest10250irq/56-4a10000011:27:030
91349916944,16cyclictest10250irq/56-4a10000008:50:070
7944216736,90sleep07945-21/usr/sbin/munin07:05:120
91349916635,111cyclictest10250irq/56-4a10000007:35:050
91349916531,29cyclictest10250irq/56-4a10000008:31:160
91349916531,25cyclictest0-21swapper/011:52:080
91349916221,19cyclictest24065-21latency_hist08:10:030
91349915936,20cyclictest25482-21wget08:15:130
9134991589,19cyclictest27090-21ntp_states08:20:410
9134991587,36cyclictest1356-21snmpd10:45:440
91349915832,28cyclictest7384-21users11:16:390
9134991579,35cyclictest1356-21snmpd07:11:050
91349915746,11cyclictest10150irq/55-4a10000010:30:140
91349915730,14cyclictest10150irq/55-4a10000007:50:400
91349915638,15cyclictest10250irq/56-4a10000010:11:470
91349915634,13cyclictest10150irq/55-4a10000007:20:180
91349915536,19cyclictest1356-21snmpd08:00:360
9134991548,15cyclictest15231-21diskstats09:40:230
9134991547,17cyclictest6172-21apt11:15:010
91349915450,92cyclictest19594-21/usr/sbin/munin12:05:460
91349915443,96cyclictest24416-21runrttasks08:10:250
91349915441,13cyclictest10250irq/56-4a10000007:25:160
91349915436,25cyclictest16893-21fw_forwarded_lo11:55:270
91349915434,21cyclictest1801-21node09:46:290
9134991539,16cyclictest5038-21ntp_states09:00:400
9134991538,34cyclictest10855-21ntp_states07:15:420
9134991537,17cyclictest9539-21apt-get09:18:170
91349915330,30cyclictest101ktimersoftd/010:25:420
91349915244,96cyclictest21636-21latency_hist08:00:040
91349915235,13cyclictest0-21swapper/009:30:110
91349915231,20cyclictest10544-21/usr/sbin/munin09:20:460
91349915229,14cyclictest10150irq/55-4a10000012:11:580
9134991519,21cyclictest2496-21irqstats08:50:560
9134991517,33cyclictest14622-21open_files07:30:420
9134991517,19cyclictest26028-21sshd10:24:140
91349915142,97cyclictest25451-21runrttasks12:30:150
91349915137,15cyclictest10250irq/56-4a10000012:35:420
91349915136,17cyclictest20342-21netstat10:00:350
91349915132,18cyclictest30053-21/usr/sbin/munin10:40:130
91349915045,16cyclictest304932chrt08:35:140
91349915025,31cyclictest1356-21snmpd10:16:480
9134991498,15cyclictest4195-21ntp_states11:05:400
9134991496,19cyclictest22447-21chrt12:17:140
91349914938,17cyclictest8741-21seq11:22:160
9134991476,19cyclictest23317-21runrttasks12:20:410
9134991476,16cyclictest760-21systemd-journal10:36:310
91349914750,89cyclictest18622-21seq12:01:300
91349914743,13cyclictest10150irq/55-4a10000011:40:330
91349914742,17cyclictest7198-21aten_r7power_po09:10:130
91349914733,14cyclictest14541-21ntp_kernel_pll_11:45:370
91349914731,18cyclictest11336-21sshd11:33:130
91349914716,29cyclictest10250irq/56-4a10000011:00:460
9134991467,21cyclictest3637-21/usr/sbin/munin08:55:300
91349914645,91cyclictest18169-21seq07:45:220
91349914633,20cyclictest28354-21ntpq08:25:480
91349914547,88cyclictest17884-21awk09:50:450
91349914529,18cyclictest13761-21/usr/sbin/munin09:35:490
91349914435,21cyclictest423-21awk10:50:450
91349914435,15cyclictest12401-21munin-run09:30:010
91349914344,13cyclictest19166-21awk09:55:450
91349914333,31cyclictest101ktimersoftd/009:05:410
91349914333,20cyclictest802-21dbus-daemon11:00:010
91349914228,15cyclictest16722-21/usr/sbin/munin07:40:250
91349914149,12cyclictest101ktimersoftd/010:05:340
91349914036,17cyclictest11947-21awk11:35:290
91349914036,16cyclictest24159-21runrttasks12:25:120
91349914029,21cyclictest760-21systemd-journal08:41:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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