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2026-04-13 - 01:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun Apr 12, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9609224452204,95sleep00-21swapper07:06:210
98069911234,35cyclictest807-21apt-get10:48:110
98069911231,35cyclictest23213-21apt-get11:53:110
98069910834,50cyclictest3070-21df12:28:310
98069910833,49cyclictest10902-21apt-get09:43:080
98069910734,33cyclictest13486-21ssh11:24:150
98069910632,34cyclictest29837-21apt-get10:38:120
98069910533,40cyclictest25149-21kernelversion10:24:030
98069910532,48cyclictest11177-21apt-get11:18:070
98069910531,53cyclictest5723-21apt-get09:28:100
98069910531,49cyclictest2824-21memory09:19:090
98069910527,53cyclictest19505-21apt-get10:08:100
98069910429,33cyclictest22239-21apt-get08:18:070
98069910417,23cyclictest25424-21irqstats11:59:130
98069910335,45cyclictest9434-21apt-get11:13:080
98069910332,30cyclictest12616-21apt-get09:48:080
98069910331,33cyclictest17928-21munin-run11:37:510
98069910328,33cyclictest8063-21df_inode11:08:460
98069910318,24cyclictest28817-21irqstats12:09:020
98069910317,64cyclictest5891-21ssh11:02:540
98069910317,62cyclictest23101-21munin-run11:52:530
98069910233,47cyclictest31560-21apt-get10:43:140
98069910231,48cyclictest16612-21memory09:59:120
98069910231,32cyclictest19388-21munin-run10:07:500
98069910230,50cyclictest520-21apt-get09:13:170
98069910227,35cyclictest14592-21/usr/sbin/munin11:29:280
98069910227,34cyclictest9180-21ssh09:38:030
98069910131,47cyclictest22833-21munin-run10:17:540
98069910129,51cyclictest2549-21/usr/sbin/munin10:53:290
98069910125,52cyclictest1690-21snmpd12:13:160
98069910110,68cyclictest15082-21grep09:54:270
98069910033,48cyclictest7988-21ssh09:34:130
98069910030,32cyclictest19939-21ssh11:43:250
98069910026,50cyclictest22981-21sshd10:18:070
98069910016,63cyclictest26661-21apt-get12:03:180
98069910016,62cyclictest4545-21memory09:24:080
98069910016,60cyclictest1352-21df12:23:340
9806999936,43cyclictest32002-21cpu12:18:270
9806999929,49cyclictest6353-21df_inode11:03:440
9806999929,34cyclictest26392-21apt-get10:28:080
9806999916,23cyclictest12369-21grep07:23:110
9806999913,64cyclictest28192-21ssh10:33:220
9806999911,65cyclictest14013-21modprobe07:32:490
9806999829,30cyclictest15033-21/usr/sbin/munin07:38:260
9806999826,50cyclictest29435-21apt-get08:58:070
9806999825,50cyclictest4535-21apt-get12:33:080
9806999825,33cyclictest31706-21irqstats09:09:010
9806999740,34cyclictest18062-21apt-get11:38:100
9806999736,44cyclictest10662-21uptime07:08:560
9806999729,47cyclictest28954-21ls08:53:420
9806999726,49cyclictest26047-21df08:38:200
9806999723,36cyclictest17976-21grep07:53:210
9806999710,65cyclictest12300-21cat07:22:540
9806999614,60cyclictest24024-21/usr/sbin/munin08:28:330
9806999525,31cyclictest10842-21munin-node07:12:570
9806999523,34cyclictest21772-21tr08:13:420
9806999435,35cyclictest27624-21apt-get08:48:050
9806999422,50cyclictest16882-21cut07:48:120
9806999415,60cyclictest18634-21apt-get07:58:070
9806999339,32cyclictest30333-21apt-get09:03:080
9806999333,39cyclictest16190-21grep07:43:230
9806999326,43cyclictest19529-21/usr/sbin/munin08:04:030
9806999241,31cyclictest14393-21df_inode07:33:260
9806999224,46cyclictest23250-21grep08:23:140
9806999215,36cyclictest20689-21df_inode08:08:240
9806999212,58cyclictest24965-21aten_r5power_en08:33:110
9806999012,57cyclictest26736-21apt-get08:43:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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