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2025-11-04 - 13:46
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot3.osadl.org (updated Tue Nov 04, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
940721190,4sleep09408-21sort19:08:350
26606211514,88sleep026632-21fschecks_count20:03:170
4455210714,16sleep04456-21iostat_ios23:53:250
30411210714,16sleep030441-21munin-node21:53:400
31589210415,16sleep031590-21diskstats21:58:140
24890210414,16sleep024897-21munin-run23:17:540
20427210414,21sleep020455-21cat19:43:340
22572210214,16sleep022593-21ls23:08:480
16029210214,16sleep016032-21munin-node19:28:510
5823210114,15sleep05841-21df_abs23:58:130
29041210114,16sleep029073-21date21:48:520
101459910114,77cyclictest30400-21missed_timers23:33:310
2126210014,16sleep02181-21aten_r4power_vo20:28:090
12543210014,16sleep012546-21munin-node20:58:380
2745829914,16sleep027468-21unixbench_singl21:43:530
137829914,15sleep03217-21snmpd22:03:460
10145999914,76cyclictest12413-21munin-node22:38:230
748829814,16sleep07489-21diskstats00:03:160
3084529813,15sleep03217-21snmpd20:15:280
2869229814,15sleep028701-21kernelversion23:28:260
768729714,15sleep07685-21ntp_states20:43:440
1725029714,15sleep017274-21ntp_kernel_pll_19:33:350
3190729614,16sleep031905-21ntp_states20:18:380
2817729614,16sleep028180-21df20:08:090
10145999617,69cyclictest10-21rcuc/020:33:330
10145999614,72cyclictest17199-21fschecks_time22:53:160
10145999613,74cyclictest26135-21seq21:40:480
692229514,15sleep06981-21latency_hist20:42:560
1080429514,16sleep010809-21ntp_states19:13:380
2247629414,17sleep022523-21users19:48:530
166729414,15sleep01695-21users23:43:530
10145999414,71cyclictest3533-21runrttasks19:24:170
890729314,15sleep08967-21perl20:48:180
483029314,16sleep04851-21munin-node22:13:520
1742929314,15sleep017447-21munin-node21:13:420
1052829313,15sleep010537-21hostname00:13:080
10145999314,70cyclictest13842-21df_abs22:43:120
2683329214,16sleep026836-21df_inode23:23:120
2528829214,15sleep025294-21missed_timers19:58:320
10145999214,70cyclictest19951-21latency_hist21:22:560
1414229114,15sleep014183-21cat00:23:240
10145999115,67cyclictest31707-21seq23:38:120
10145999114,68cyclictest3533-21runrttasks21:12:350
10145999114,68cyclictest20110-21sort23:02:560
10145999014,38cyclictest21581-21ls21:27:560
87228913,16sleep0877-21iostat_ios20:23:250
581728914,15sleep05870-21perl22:18:190
2522328914,16sleep025231-21forks23:18:160
1051328914,17sleep010578-21fschecks_time20:53:190
10145998915,65cyclictest23518-21if_err_eth019:53:210
10145998914,66cyclictest23749-21latency21:33:320
10145998914,66cyclictest17634-21ntp_kernel_pll_00:33:350
250428814,15sleep02507-21df23:48:110
10145998815,64cyclictest10406-21munin-node22:33:190
10145998713,65cyclictest12583-21munin-node00:18:260
942328614,15sleep09458-21ls00:08:330
2094828614,15sleep020950-21smartctl23:03:500
1489528614,15sleep00-21swapper21:06:450
10145998614,63cyclictest3533-21runrttasks19:42:170
10145998614,63cyclictest15268-21munin-node22:48:350
854928514,15sleep00-21swapper22:27:020
2004528514,15sleep00-21swapper00:42:060
1296728513,14sleep00-21swapper19:20:160
933628413,15sleep09367-21netstat22:28:340
10145998413,61cyclictest22417-21sendmail_mailqu21:28:450
10145998314,60cyclictest15398-21munin-node00:28:450
342028213,15sleep00-21swapper22:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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