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2026-03-10 - 18:26
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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 Tue Mar 10, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17422221030,52sleep00-21swapper/007:09:180
175749918210,19cyclictest17329-21df11:25:160
175749917232,119cyclictest27709-21wget07:50:130
17574991699,20cyclictest2493-21irqstats10:25:320
175749916744,110cyclictest31156-21runrttasks10:10:300
175749916128,113cyclictest30519-21ntp_states08:00:410
17574991606,20cyclictest21634-21apt-get09:37:120
175749915910,19cyclictest24287-21ntp_states07:35:430
175749915843,103cyclictest1276-21runrttasks12:25:200
175749915836,80cyclictest12023-21fw_packets08:55:270
175749915832,109cyclictest10250irq/56-4a10000007:40:130
175749915628,18cyclictest8093-21wget08:40:130
175749915525,17cyclictest1305-21snmpd11:55:200
17574991549,22cyclictest26776-21ntp_states07:45:410
175749915445,98cyclictest27379-21http12:05:040
175749915436,106cyclictest23020-21ntpq07:30:360
175749915429,105cyclictest7402-21uptime08:35:480
175749915423,21cyclictest1305-21snmpd10:31:220
175749915423,15cyclictest10250irq/56-4a10000009:44:080
175749915423,12cyclictest0-21swapper/009:51:140
17574991537,34cyclictest27625-21wget12:05:120
17574991537,15cyclictest3015-21apt-key08:20:220
175749915335,106cyclictest18993-21users11:30:490
175749915329,113cyclictest19469-21df09:25:180
175749915324,12cyclictest0-21swapper/009:01:000
17574991527,17cyclictest10945-21ntpq08:50:420
17574991526,15cyclictest1408-21nginx10:50:440
175749915244,98cyclictest28574-21runrttasks10:00:200
175749915236,104cyclictest17152-21ntpq09:15:380
175749915232,107cyclictest15753-21fw_conntrack09:10:260
175749915216,19cyclictest1305-21snmpd10:35:170
17574991519,32cyclictest1305-21snmpd11:40:060
17574991517,19cyclictest927-21aten_r7power_cu10:20:140
175749915140,90cyclictest15563-21runrttasks11:18:200
175749915129,110cyclictest12661-21runrttasks11:05:470
175749915128,109cyclictest31564-21/usr/sbin/munin08:05:200
175749915030,108cyclictest16277-21ntpq11:20:360
175749915017,19cyclictest20528-21chrt09:30:120
175749914944,94cyclictest18001-21runrttasks07:10:360
175749914931,107cyclictest2590-21sshd08:20:020
175749914929,110cyclictest32655-21aten_r7power_en08:10:120
175749914924,15cyclictest11311-21sshd11:00:400
17574991487,34cyclictest14000-21users11:10:500
17574991486,31cyclictest15399-21latency_hist09:10:030
175749914837,99cyclictest19328-21pluginstate07:15:440
175749914831,97cyclictest0-21swapper/010:16:190
175749914829,108cyclictest24726-21grep09:45:160
175749914826,103cyclictest22071-21chrt11:42:190
17574991478,21cyclictest1305-21snmpd08:30:540
17574991478,17cyclictest7573-21ntp_states10:45:440
175749914737,98cyclictest30891-21mailstats12:15:460
17574991469,16cyclictest29101-21cat07:55:270
175749914637,97cyclictest23116-21sshd11:45:490
175749914534,94cyclictest10150irq/55-4a10000012:10:210
175749914530,103cyclictest4517-21df08:25:190
175749914529,16cyclictest27393-21if_eth009:55:310
17574991449,15cyclictest23933-21df11:50:180
175749914431,101cyclictest754-21systemd-journal10:40:360
175749914430,103cyclictest20417-21fw_packets07:20:280
175749914424,109cyclictest1408-21nginx12:21:090
175749914327,20cyclictest22477-21runrttasks07:29:370
175749914323,13cyclictest10250irq/56-4a10000010:55:100
175749914244,80cyclictest10150irq/55-4a10000009:20:190
175749914136,95cyclictest9663-21ntp_kernel_pll_08:45:340
17574991409,35cyclictest1791-21wget12:30:120
175749914026,18cyclictest30165-21mailstats10:05:460
175749914022,17cyclictest3848-21sshd12:38:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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