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2025-12-05 - 05:59
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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 Fri Dec 05, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8879231245,223sleep08685-21/usr/sbin/munin19:05:170
9871991708,116cyclictest26027-21apt-get22:18:130
98719916929,119cyclictest1424-21nginx00:27:310
98719916842,108cyclictest10250irq/56-4a10000020:13:250
98719916635,111cyclictest7907-21wget23:15:160
9871991657,98cyclictest10225-21apt-get23:27:080
9871991657,128cyclictest1356-21snmpd19:21:530
98719916334,113cyclictest1336-21runrttasks22:23:490
98719915927,96cyclictest1356-21snmpd20:22:060
98719915834,107cyclictest10250irq/56-4a10000023:24:000
98719915717,119cyclictest1424-21nginx20:36:490
9871991566,94cyclictest13158-21apt-get21:32:060
9871991566,91cyclictest13090-21apt-get23:37:110
98719915542,102cyclictest24294-21sshd20:05:280
98719915535,102cyclictest101ktimersoftd/020:05:050
98719915530,107cyclictest10250irq/56-4a10000000:14:080
9871991546,129cyclictest18457-21runrttasks21:49:280
9871991545,130cyclictest17082-21sshd19:38:040
9871991539,88cyclictest7766-21apt-get21:10:440
9871991538,91cyclictest760-21systemd-journal23:43:490
98719915337,105cyclictest20245-21ntpq21:55:380
98719915319,113cyclictest19634-21sshd19:48:270
9871991528,106cyclictest1356-21snmpd23:02:460
9871991527,104cyclictest11961-21apt-get19:17:090
9871991527,102cyclictest1801-21node21:41:590
98719915235,105cyclictest23853-21sshd22:10:280
98719915226,107cyclictest27771-21/usr/sbin/munin22:25:320
98719915226,106cyclictest1356-21snmpd21:09:260
98719915218,116cyclictest1424-21nginx00:04:060
9871991516,105cyclictest15953-21sshd21:39:270
98719915137,103cyclictest1424-21nginx19:13:150
98719915135,103cyclictest21517-21ntpq00:05:420
98719915134,106cyclictest1336-21runrttasks23:55:540
9871991508,109cyclictest27319-21apt-get20:17:060
9871991508,106cyclictest1356-21snmpd21:17:200
98719915036,101cyclictest31749-21fw_conntrack22:40:240
98719915025,108cyclictest1424-21nginx19:58:210
98719915021,107cyclictest800-21avahi-daemon23:05:540
98719915010,120cyclictest1356-21snmpd22:02:280
98719914940,99cyclictest29311-21runrttasks20:25:280
9871991489,100cyclictest17518-21wget19:40:150
9871991487,99cyclictest3965-21munin-run23:00:030
98719914826,104cyclictest1356-21snmpd00:17:290
9871991477,122cyclictest6580-21/usr/sbin/munin23:10:360
98719914743,92cyclictest451-21aten_r7power_vo20:40:130
98719914740,94cyclictest12243-21diskstats21:25:240
98719914736,98cyclictest1888-21sshd20:45:280
98719914727,100cyclictest20634-21sshd19:51:270
98719914722,105cyclictest14994-21wget19:30:190
98719914710,103cyclictest3286-21ntp_states20:50:400
9871991467,117cyclictest1834-21/usr/sbin/munin22:50:280
9871991466,123cyclictest5084-21sshd20:58:350
9871991457,120cyclictest25122-21sshd00:20:280
98719914512,113cyclictest16155-21wget23:45:160
9871991447,93cyclictest5625-21fw_conntrack21:00:260
98719914446,81cyclictest10150irq/55-4a10000022:07:300
9871991438,121cyclictest13108-21latency_hist23:35:030
98719914347,85cyclictest1336-21runrttasks19:25:220
98719914328,103cyclictest1252-21sshd22:48:280
9871991429,122cyclictest27976-21seq00:30:520
98719914233,96cyclictest30496-21sshd22:35:280
98719914133,97cyclictest115692chrt21:22:100
98719914123,102cyclictest1424-21nginx21:53:370
9871991406,122cyclictest30712-21ntpq20:30:430
9871991405,93cyclictest18230-21runrttasks23:53:080
98719914029,93cyclictest29997-21sshd22:33:520
98719914021,100cyclictest1356-21snmpd00:38:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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