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2026-09-06 - 22:16
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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 Sun Sep 06, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24296220126,146sleep024299-21/usr/sbin/munin19:05:380
248919916573,50cyclictest1408-21nginx19:58:200
248919914674,52cyclictest1861-21gpgv00:00:070
248919914672,34cyclictest3543-21munin-run22:00:030
248919914568,22cyclictest4981-21sshd22:03:230
248919914477,28cyclictest1408-21nginx22:57:450
248919914374,24cyclictest6744-21diskstats22:10:220
248919914369,35cyclictest1408-21nginx19:28:160
248919914365,34cyclictest2010-21node22:47:050
248919914168,21cyclictest26100-21apt-get19:15:370
248919914065,35cyclictest6393-21diskstats20:00:220
248919913968,33cyclictest4424-21/usr/sbin/munin19:55:040
248919913872,21cyclictest23328-21diskstats23:15:220
248919913866,35cyclictest8835-21seq00:25:310
248919913865,33cyclictest8540-21apt-get22:17:080
248919913864,44cyclictest5891-21find22:05:480
248919913767,32cyclictest5267-21ntp_states00:10:450
248919913765,53cyclictest18758-21wget20:50:200
248919913666,34cyclictest31341-21fw_conntrack21:40:240
248919913664,19cyclictest20468-21diskstats23:05:240
248919913660,36cyclictest14995-21sshd22:43:440
248919913568,51cyclictest3166-21seq00:02:230
248919913564,22cyclictest801-21dbus-daemon00:09:400
248919913562,33cyclictest32460-21wget21:45:130
248919913561,34cyclictest1305-21snmpd23:54:020
248919913560,55cyclictest30242-21ntp_states21:35:410
248919913466,31cyclictest1305-21snmpd22:23:420
248919913460,35cyclictest8428-21sshd20:09:040
248919913459,37cyclictest9444-21runrttasks20:12:100
248919913366,51cyclictest22655-21sshd23:12:080
248919913366,47cyclictest29249-21sendmail23:40:020
248919913270,21cyclictest24804-21ntp_states23:20:480
248919913263,50cyclictest27832-21chrt21:25:440
248919913263,50cyclictest1195-21cut21:50:130
248919913169,20cyclictest589-21diskstats19:40:220
248919913167,44cyclictest1821-21aten_r7power_cu19:45:130
248919913164,49cyclictest16398-21fw_packets20:40:280
248919913163,49cyclictest25644-21/usr/sbin/munin23:25:150
248919913159,35cyclictest12064-21sshd20:23:050
248919913072,19cyclictest6505-21ntp_states00:15:430
248919913061,33cyclictest1305-21snmpd00:39:120
248919913061,19cyclictest27084-21df23:30:270
248919912964,45cyclictest28699-21aten_r7power_vo21:30:130
248919912961,36cyclictest20169-21irqstats20:55:310
248919912959,33cyclictest13158-21ntp_states22:35:410
248919912958,35cyclictest27904-21wget19:20:140
248919912956,34cyclictest25093-21wget19:10:150
248919912869,39cyclictest17415-21aten_r7power_cu20:45:140
248919912859,33cyclictest1305-21snmpd22:28:430
248919912858,35cyclictest30225-21runrttasks23:42:440
248919912857,54cyclictest1276-21runrttasks19:30:170
248919912778,39cyclictest23810-21df_inode21:10:190
248919912778,38cyclictest10681-21sshd20:17:050
248919912774,38cyclictest21371-21fw_forwarded_lo21:00:290
248919912771,38cyclictest25639-21sshd21:17:070
248919912765,23cyclictest13857-21df_inode20:30:220
248919912578,35cyclictest7792-21ntp_states00:20:490
248919912557,33cyclictest26342-21diskstats21:20:230
248919912549,58cyclictest314192sleep023:47:210
248919912471,41cyclictest22723-21ntp_kernel_err21:05:360
248919912467,37cyclictest17530-21sshd22:54:080
248919912465,46cyclictest32734-21sendmail-msp19:40:010
248919912454,33cyclictest10861-21mailstats00:31:130
248919912374,38cyclictest19103-21wget23:00:130
248919912276,35cyclictest1608-21ntpd20:35:380
248919912273,37cyclictest11568-21aten_r7power_cu22:30:160
248919912175,36cyclictest12427-21cut20:25:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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