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2025-07-07 - 02:14
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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 highest latencies:
System rack4slot3.osadl.org (updated Mon Jul 07, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19142211314,35sleep019200-21cpu20:52:080
26263210114,16sleep026261-21ntp_states22:52:350
17848210115,18sleep017852-21memory19:07:240
1515210114,16sleep01568-21perl21:37:180
30714210014,16sleep030760-21perl21:27:190
189639910015,75cyclictest23979-21latency_hist22:46:560
11102210014,15sleep011109-21basename23:47:030
2577129913,16sleep025784-21munin-node21:12:180
2308329914,16sleep023088-21munin-node19:22:480
1490929917,16sleep014953-21gzip20:37:440
2774729814,18sleep027773-21open_inodes19:37:430
2076229814,18sleep020783-21aten_r4power_cu22:37:060
2672529715,16sleep025719-21munin-node00:32:580
18963999715,73cyclictest5071-21load21:47:350
810829614,16sleep08136-21hddtemp_smartct21:57:180
697729615,16sleep07004-21switchtime21:52:480
242929614,15sleep03217-21snmpd19:59:570
2106229614,16sleep021063-21diskstats00:17:150
18963999515,69cyclictest5235-21munin-node23:27:330
18963999514,72cyclictest16335-21runrttasks22:22:250
18963999514,45cyclictest6303-21aten_r4power_en23:32:080
1764429514,16sleep017647-21diskstats20:47:140
994629413,16sleep09335-21munin-node20:22:340
937029415,16sleep09379-21munin-run23:41:540
2512629414,17sleep025127-21sshd19:30:050
18963999416,66cyclictest16585-21munin-node00:02:350
18963999415,69cyclictest424-21munin-node23:12:430
18963999413,15cyclictest0-21swapper23:20:590
1286129414,16sleep012864-21diskstats22:12:130
3248029314,16sleep032481-21memory19:52:330
3135429314,16sleep03288-21lldpd19:47:560
1146829313,16sleep011469-21iostat_ios22:07:250
2778129214,16sleep027784-21irqstats00:37:300
2611829215,16sleep026116-21ntp_states19:32:390
18963999214,69cyclictest537-21unixbench_singl21:32:530
492729114,15sleep04935-21kernelversion20:07:340
2494529114,15sleep024983-21sed22:47:510
2311429115,16sleep023112-21ntp_states00:22:370
18963999122,60cyclictest17603-21seq22:27:080
18963999114,68cyclictest12259-21sshd20:30:160
18963999114,40cyclictest17906-21cut00:07:180
2923929014,16sleep029257-21missed_timers19:42:330
18963999015,66cyclictest24711-21netstat00:27:510
18963999015,66cyclictest13043-21fschecks_time23:52:180
18963999014,68cyclictest31852-21sshd23:10:430
18963999014,67cyclictest8496-21sendmail_mailtr20:17:430
18963999014,66cyclictest7089-21munin-node20:12:520
18963998914,66cyclictest9847-21hddtemp_smartct23:42:210
18963998914,66cyclictest13152-21needreboot20:32:320
2478528814,17sleep024797-21timerandwakeup21:07:480
2184128814,19sleep00-21swapper20:59:060
2104328814,15sleep021044-21irqstats19:17:260
18963998814,38cyclictest3222-21iwlist20:02:210
18963998814,37cyclictest29073-21df_abs23:02:150
18963998715,63cyclictest14964-21netstat23:57:350
18963998714,64cyclictest3532-21ntp_kernel_pll_21:42:350
18963998714,64cyclictest18985-21munin-node19:12:260
2859728613,19sleep00-21swapper21:21:170
1978528613,15sleep019781-21ntp_states22:32:370
18963998614,63cyclictest9424-21aten_r4power_cu22:02:060
18963998613,64cyclictest19433-21munin-node00:12:110
18963998414,61cyclictest14491-21munin-node22:17:150
18963998414,38cyclictest3636-21seq23:22:370
18963998414,34cyclictest28979-21df_abs21:22:170
1697728314,15sleep00-21swapper20:44:060
2856128214,15sleep00-21swapper23:00:220
2364928113,15sleep00-21swapper21:05:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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