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2026-03-23 - 12:46
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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 Mar 23, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15273221627,156sleep01305-21snmpd19:08:210
155369916733,15cyclictest10250irq/56-4a10000000:23:290
155369916633,18cyclictest9518-21cat22:55:130
155369916341,31cyclictest3650irq/20-4900000019:32:130
155369916232,29cyclictest3650irq/20-4900000023:27:140
155369916156,89cyclictest101ktimersoftd/021:00:430
155369916145,29cyclictest3650irq/20-4900000023:37:150
155369915936,31cyclictest1987-21ntp_states00:30:490
155369915921,30cyclictest787-21haveged19:50:070
155369915847,26cyclictest101ktimersoftd/023:30:310
155369915811,17cyclictest26373-21munin-run00:00:050
155369915636,25cyclictest2381-21df20:20:170
15536991537,26cyclictest26238-21apt-get19:52:110
15536991536,17cyclictest1685-21apt-get20:18:180
155369915347,19cyclictest22875-21runrttasks19:35:380
155369915245,18cyclictest16872-21aten_r7power_cu19:15:120
155369915242,22cyclictest30716-21runrttasks20:05:280
15536991516,29cyclictest18999-21fw_conntrack21:25:260
155369915046,13cyclictest10150irq/55-4a10000020:01:540
155369914945,19cyclictest26969-21runrttasks00:00:420
155369914742,18cyclictest7101-21runrttasks22:45:140
155369914648,16cyclictest30561-21/usr/sbin/munin22:10:220
155369914557,11cyclictest101ktimersoftd/020:40:270
155369914556,12cyclictest101ktimersoftd/019:20:270
155369914555,13cyclictest101ktimersoftd/023:25:080
155369914543,27cyclictest101ktimersoftd/020:52:050
15536991448,16cyclictest8640-21fw_conntrack20:45:250
155369914444,22cyclictest8657-21ntpq22:50:360
155369914355,12cyclictest101ktimersoftd/021:31:240
155369914256,10cyclictest101ktimersoftd/000:25:220
155369914255,11cyclictest101ktimersoftd/020:30:280
155369913954,11cyclictest101ktimersoftd/021:50:260
155369913926,34cyclictest101ktimersoftd/023:05:150
155369913154,11cyclictest101ktimersoftd/020:25:240
155369912721,13cyclictest10150irq/55-4a10000019:43:310
17046212118,89sleep017024-21apt-get21:17:120
1435021149,92sleep014351-21sshd23:14:540
2388221135,95sleep01305-21snmpd21:43:580
3501210913,83sleep03504-21df_inode22:30:210
26837210515,79sleep026839-21fw_forwarded_lo21:55:240
3249121045,87sleep031467-21apt-get22:16:250
579821026,82sleep05806-21basename22:40:120
155369910145,18cyclictest32247-21sshd20:10:450
15218210014,74sleep015221-21diskstats21:10:210
293682994,83sleep029400-21/usr/sbin/munin22:05:300
279832935,76sleep027986-21df_inode00:05:300
306502914,76sleep030678-21proc_pri00:15:440
15536999030,41cyclictest0-21swapper/021:48:590
285672895,72sleep01305-21snmpd22:01:300
15536998731,35cyclictest801-21dbus-daemon23:20:030
15536998647,10cyclictest101ktimersoftd/022:24:070
15536998643,28cyclictest3650irq/20-4900000022:25:240
15536998545,33cyclictest10150irq/55-4a10000019:56:030
15536998245,27cyclictest0-21swapper/021:05:220
15536998235,15cyclictest10250irq/56-4a10000021:36:270
15536998156,17cyclictest20599-21cat19:30:070
15536998153,13cyclictest10150irq/55-4a10000000:35:150
15536998151,14cyclictest10150irq/55-4a10000000:10:280
1553699799,53cyclictest0-21swapper/020:55:130
15536997960,11cyclictest101ktimersoftd/019:10:160
15536997940,26cyclictest101ktimersoftd/023:50:140
15536997937,32cyclictest0-21swapper/022:35:310
15536997848,14cyclictest10150irq/55-4a10000023:40:380
15536997748,14cyclictest10150irq/55-4a10000023:00:180
15536997630,38cyclictest0-21swapper/021:20:300
15536997556,11cyclictest101ktimersoftd/023:45:200
1553699746,31cyclictest6413-21/usr/sbin/munin20:35:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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