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2025-11-17 - 13:35
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot3.osadl.org (updated Mon Nov 17, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15967212415,35sleep015998-21munin-node19:08:380
2857621210,4sleep028577-21perl19:48:250
20684211413,88sleep020724-21munin-node19:23:390
2024121140,4sleep020243-21ls22:43:010
1374921120,4sleep013750-21cut20:43:140
31987210514,16sleep031988-21load19:58:370
14199210414,16sleep014200-21diskstats00:03:220
12275210415,16sleep012292-21aten_r4power_po22:18:140
11372210214,16sleep011369-21ntp_states23:53:440
7650210113,16sleep07656-21munin-node23:43:170
27173210114,15sleep027174-21irqstats21:23:360
2607210114,16sleep02438-21munin-node21:48:190
16681210114,15sleep03217-21snmpd00:09:280
4217210013,15sleep04218-21entropy20:13:230
24780210014,16sleep03217-21snmpd00:34:180
683829915,16sleep06867-21users23:39:040
954729814,16sleep09548-21iostat_ios23:48:360
2726929814,16sleep027265-21ntp_states19:43:510
1873629814,15sleep018741-21ls00:18:000
3006929714,17sleep030070-21diskstats19:53:220
2900329714,16sleep029001-21ntp_states21:28:480
2402929714,16sleep024033-21iostat_ios22:53:320
2139329713,70sleep021409-21timerwakeupswit00:24:020
1961529714,16sleep018858-21munin-node00:18:530
1879029714,16sleep018809-21df_inode20:58:170
16855999715,72cyclictest29831-21sshd23:11:490
767829614,16sleep07681-21iostat_ios20:23:320
16855999615,71cyclictest32363-21ps21:38:570
919929514,16sleep09202-21diskstats22:08:230
2727129514,16sleep027274-21iostat23:03:300
2574729514,16sleep025778-21iostat00:38:320
123129514,15sleep01259-21hddtemp_smartct23:23:260
2562829414,16sleep025626-21ntp_states19:38:440
16855999415,70cyclictest25733-21ntp_kernel_pll_21:18:450
618529314,16sleep06187-21irqstats21:58:380
1870829313,15sleep018714-21entropy19:18:220
131329314,16sleep01314-21memory21:43:400
751629214,16sleep07532-21df22:03:190
604929214,15sleep06055-21munin-node20:18:310
3193329214,15sleep031934-21diskstats23:18:230
2558629214,15sleep025590-21hddtemp_smartct22:58:340
16855999218,66cyclictest1184-21munin-node20:03:390
16855999214,69cyclictest23287-21seq00:30:230
16855999214,69cyclictest21740-21munin-node19:28:460
1275929214,15sleep012755-21ntp_states20:38:450
1083129214,15sleep010865-21fschecks_count22:13:240
3041829114,15sleep030431-21sed21:33:350
952229014,15sleep09552-21open_inodes20:28:490
16855999015,66cyclictest3079-21processes20:08:520
16855998915,65cyclictest3533-21runrttasks19:15:260
16855998914,65cyclictest23989-21seq19:33:440
1564028914,62sleep015481-21munin-node22:28:160
1499028913,15sleep00-21swapper22:24:570
16855998813,44cyclictest16113-21rt-features20:48:490
2484928714,15sleep03217-21snmpd21:16:510
1751228713,15sleep017548-21ls20:53:390
16855998614,63cyclictest4988-21processes23:34:010
1264428614,16sleep012697-21fschecks_time23:58:250
16855998516,60cyclictest4122-21aten_r4power_cu21:53:130
3145528414,15sleep00-21swapper23:16:490
16855998414,61cyclictest22975-21runrttasks21:09:480
16855998414,60cyclictest2792-21munin-node23:28:230
16855998314,60cyclictest18223-21sshd22:34:490
16855998314,33cyclictest11233-21processes20:33:500
2330528214,14sleep00-21swapper22:51:350
2179028214,15sleep03217-21snmpd22:47:280
2055528214,15sleep00-21swapper21:03:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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