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2025-11-17 - 03:00
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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 Nov 17, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
847025860,7sleep08471-21df19:05:190
94689917434,16cyclictest10250irq/56-4a10000021:19:210
9468991736,39cyclictest5725-21apt-get21:06:240
9468991727,18cyclictest1356-21snmpd19:52:000
94689917035,16cyclictest10250irq/56-4a10000021:34:250
94689916939,113cyclictest10250irq/56-4a10000019:28:080
94689916330,24cyclictest26923-21sendmail-msp20:20:020
94689916228,25cyclictest1356-21snmpd20:33:480
94689915936,22cyclictest657-21runrttasks20:44:510
94689915839,109cyclictest22947-21aten_r7power_cu00:20:170
94689915836,15cyclictest24510-21sshd00:25:350
94689915835,105cyclictest3650irq/20-4900000022:57:120
94689915829,108cyclictest23443-21runrttasks22:13:590
94689915828,16cyclictest25425-21sshd20:13:160
94689915726,14cyclictest10250irq/56-4a10000020:47:180
94689915636,13cyclictest8403-21sshd21:13:280
94689915630,18cyclictest14136-21/usr/sbin/munin23:45:510
94689915625,20cyclictest1356-21snmpd19:59:050
9468991549,23cyclictest13187-21latency_hist19:25:030
9468991548,23cyclictest1356-21snmpd21:54:490
9468991548,17cyclictest15552-21/usr/sbin/munin23:50:130
94689915440,12cyclictest10150irq/55-4a10000022:19:340
94689915436,12cyclictest10150irq/55-4a10000023:10:230
94689915342,11cyclictest8950irq/40-mmc120:55:280
94689915332,12cyclictest10150irq/55-4a10000019:15:400
9468991528,17cyclictest760-21systemd-journal21:40:030
9468991527,13cyclictest12932-21tr23:40:160
94689915234,15cyclictest10150irq/55-4a10000020:39:130
94689915227,21cyclictest28214-21sshd22:32:060
94689915216,22cyclictest16265-21aten_r7power_en21:45:140
9468991519,19cyclictest23662-21ntp_states20:05:410
94689915143,88cyclictest17087-21tr19:40:150
94689915138,13cyclictest10150irq/55-4a10000021:44:280
94689915136,19cyclictest1801-21node00:04:080
9468991507,33cyclictest1356-21snmpd21:04:180
9468991507,15cyclictest16184-21sh19:35:410
94689915037,17cyclictest10784-21ntpq23:30:420
94689915033,17cyclictest25786-21ntpq00:30:410
94689915029,18cyclictest18528-21fw_forwarded_lo19:45:270
94689914943,13cyclictest10150irq/55-4a10000022:25:130
94689914941,16cyclictest26009-21seq22:24:250
94689914931,16cyclictest21457-21fw_packets22:05:330
94689914931,106cyclictest9579-21wget19:10:140
94689914846,92cyclictest8586-21seq23:21:200
94689914841,95cyclictest15545-21runrttasks19:34:000
94689914835,17cyclictest29104-21runrttasks22:35:430
94689914833,21cyclictest3274-21ntpq23:00:370
9468991476,19cyclictest27351-21memory20:20:360
94689914742,95cyclictest11990-21runrttasks23:35:390
94689914741,96cyclictest21003-21runrttasks22:04:210
94689914739,97cyclictest12085-21runrttasks21:27:470
94689914738,16cyclictest31204-21apt22:45:160
94689914737,19cyclictest760-21systemd-journal22:52:160
94689914730,17cyclictest815-21rs:main0
94689914710,17cyclictest17753-21munin-run00:00:040
94689914641,94cyclictest22714-21runrttasks00:19:290
94689914627,17cyclictest1424-21nginx00:05:100
9468991458,29cyclictest760-21systemd-journal20:03:150
94689914544,91cyclictest4843-21seq23:06:280
94689914541,16cyclictest28674-21ntp_states20:25:420
94689914518,12cyclictest7560-21sshd23:18:200
94689914514,31cyclictest18735-21wget21:55:150
94689914444,89cyclictest10753-21runrttasks21:22:000
9468991436,41cyclictest3309-21grep20:55:040
9468991416,32cyclictest1356-21snmpd00:11:380
9468991407,31cyclictest29952-21/usr/sbin/munin22:40:280
94689913737,15cyclictest9365-21/usr/sbin/munin23:25:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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