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2026-08-04 - 06:44
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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 Mon Aug 03, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15077221832,55sleep00-21swapper/007:09:550
151569916434,119cyclictest15504-21apt-get09:17:100
15156991636,18cyclictest10894-21ntp_states11:05:410
151569916348,96cyclictest31708-21basename12:25:290
151569916325,122cyclictest26978-21http12:10:040
15156991617,17cyclictest2010-21node09:39:570
151569916024,117cyclictest1408-21nginx08:24:430
15156991577,17cyclictest12478-21fw_conntrack09:05:260
15156991568,18cyclictest2196-21irqstats08:25:290
151569915644,101cyclictest20229-21munin-node07:30:110
151569915637,107cyclictest9530-21awk08:55:170
151569915630,110cyclictest141622chrt11:17:090
151569915628,115cyclictest18635-21aten_r7power_en09:30:130
151569915626,112cyclictest17638-21sendmail-msp07:20:010
15156991556,22cyclictest10489-21apt-get09:02:100
15156991549,18cyclictest26445-21/usr/sbin/munin07:55:150
15156991549,18cyclictest16089-21df11:25:270
15156991548,15cyclictest1305-21snmpd08:05:410
15156991547,122cyclictest3002-21latency_hist10:35:050
151569915421,118cyclictest1305-21snmpd09:55:230
151569915415,15cyclictest31589-21latency_hist10:20:040
15156991536,16cyclictest32579-21apt-get08:18:120
151569915326,108cyclictest1305-21snmpd11:36:010
151569915316,16cyclictest1408-21nginx08:35:360
151569915234,107cyclictest754-21systemd-journal09:11:590
151569915234,105cyclictest28101-21ntpq08:00:380
151569915231,109cyclictest2010-21node08:40:350
151569915225,116cyclictest22565-21sort09:45:060
151569915217,12cyclictest10250irq/56-4a10000011:51:050
15156991518,128cyclictest24084-21wget07:45:150
15156991517,20cyclictest27777-21fw_conntrack12:10:520
15156991517,15cyclictest22495-21apt-get09:47:110
151569915146,93cyclictest1821-21sshd12:34:500
151569915140,100cyclictest18717-21runrttasks07:23:450
151569915139,101cyclictest27131-21ntpq10:00:410
151569915134,107cyclictest754-21systemd-journal12:35:170
15156991507,123cyclictest1305-21snmpd11:00:520
151569915028,111cyclictest30389-21seq08:10:210
151569915021,110cyclictest11779-21wget11:10:140
151569915011,127cyclictest31914-21df10:20:170
15156991499,21cyclictest6882-21wget10:50:140
15156991498,16cyclictest23027-21irqstats07:40:300
151569914917,19cyclictest1408-21nginx10:25:480
151569914815,14cyclictest10250irq/56-4a10000008:45:350
15156991479,21cyclictest28287-21memory10:05:340
15156991477,50cyclictest29501-21apt-get12:17:120
15156991477,17cyclictest17610-21ps11:31:010
151569914729,108cyclictest15002-21ntp_kernel_pll_11:20:350
151569914726,106cyclictest10250irq/56-4a10000007:29:380
15156991467,22cyclictest29300-21wget10:10:150
15156991467,18cyclictest8207-21wget08:50:140
15156991458,20cyclictest5785-21/usr/sbin/munin10:45:280
15156991458,17cyclictest4238-21date10:40:050
15156991457,118cyclictest9134-21sendmail11:00:020
151569914534,101cyclictest25469-21if_eth007:50:280
151569914526,104cyclictest0-21swapper/008:34:550
151569914443,90cyclictest17358-21aten_r7power_vo09:25:150
151569914432,101cyclictest16657-21sshd09:21:040
151569914430,102cyclictest21075-21seq11:45:270
151569914428,105cyclictest21560-21aten_r7power_vo07:35:140
151569914411,16cyclictest0-21swapper/012:00:150
15156991436,14cyclictest20746-21latency_hist11:45:030
151569914338,91cyclictest15312-21cut07:10:130
15156991427,13cyclictest1305-21snmpd12:21:130
15156991426,16cyclictest4319-21wget10:40:120
15156991415,18cyclictest24913-21runrttasks09:51:150
151569914013,14cyclictest1305-21snmpd11:56:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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