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2026-05-03 - 11:35
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack7slot8.osadl.org (updated Sat May 02, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23508221336,47sleep00-21swapper/007:08:010
14668211214,12sleep014670-21ntp_states08:40:370
7091211118,14sleep07055-21apt-get10:17:210
23261211110,12sleep023276-21irqstats09:15:300
1305421097,11sleep013087-21/usr/sbin/munin08:35:130
242221075,11sleep01657-21apt-get10:00:330
827721055,12sleep08278-21fw_forwarded_lo08:15:280
805821055,12sleep08062-21sshd12:27:070
2912321045,11sleep029131-21if_err_eth007:30:300
238059910439,30cyclictest101ktimersoftd/007:40:160
2404321036,12sleep024045-21memory11:25:310
1780321015,11sleep017804-21memory11:00:290
69912996,12sleep06994-21df_inode08:10:190
55112987,12sleep05553-21aten_r7power_vo12:20:160
23805999235,18cyclictest26821-21seq11:35:490
46242917,8sleep0101ktimersoftd/008:00:320
23805999144,13cyclictest27092-21awk09:30:350
23805999137,17cyclictest9733-21open_inodes08:20:420
103682916,74sleep010366-21ntp_states12:35:510
23805999049,30cyclictest0-21swapper/009:20:220
23805998945,29cyclictest3650irq/20-4900000007:57:120
23805998836,33cyclictest1199-21runrttasks09:56:200
23805998744,28cyclictest3650irq/20-4900000010:45:230
23805998727,24cyclictest6681-21latency_hist08:10:020
23805998724,30cyclictest787-21haveged09:55:040
2380599867,25cyclictest25673-21sshd11:31:280
23805998626,26cyclictest28672-21apt-config11:45:070
154502867,68sleep015505-21ps10:50:440
23805998558,11cyclictest101ktimersoftd/007:17:100
2380599846,21cyclictest28598-21apt-get11:47:140
23805998456,12cyclictest101ktimersoftd/011:17:070
23805998448,28cyclictest0-21swapper/007:20:320
23805998428,44cyclictest0-21swapper/007:50:110
23805998410,26cyclictest0-21swapper/012:09:220
2380599839,38cyclictest28372-21ntp_states09:35:420
23805998338,31cyclictest10250irq/56-4a10000007:14:450
23805998318,56cyclictest0-21swapper/011:21:260
2380599827,56cyclictest1305-21snmpd07:45:460
23805998237,31cyclictest101ktimersoftd/010:20:210
2380599817,38cyclictest9091-21ntp_states12:30:360
23805998133,31cyclictest4856-21runrttasks10:10:180
23805998120,29cyclictest787-21haveged07:40:030
2380599807,22cyclictest22091-21/usr/sbin/munin09:10:350
14482805,10sleep00-21swapper/012:04:250
2380599797,34cyclictest5305-21munin-plugin-st12:20:010
23805997951,13cyclictest10150irq/55-4a10000009:40:190
23805997949,13cyclictest10150irq/55-4a10000008:30:200
23805997944,25cyclictest0-21swapper/011:10:210
2380599790,42cyclictest30708-21fw_conntrack09:45:250
23805997828,15cyclictest21029-21run-parts09:05:470
23805997758,11cyclictest101ktimersoftd/010:25:200
23805997748,13cyclictest10150irq/55-4a10000010:40:020
23805997747,13cyclictest10150irq/55-4a10000010:30:270
23805997743,24cyclictest0-21swapper/011:50:180
23805997731,31cyclictest10250irq/56-4a10000010:05:370
23805997657,11cyclictest101ktimersoftd/008:55:240
23805997648,19cyclictest16995-21/usr/sbin/munin08:50:250
23805997631,29cyclictest32281-21sshd11:56:320
23805997619,48cyclictest0-21swapper/007:25:130
23805997618,32cyclictest0-21swapper/011:06:020
23805997558,10cyclictest101ktimersoftd/010:55:260
23805997546,13cyclictest10150irq/55-4a10000008:25:390
23805997545,13cyclictest10150irq/55-4a10000012:11:260
23805997545,13cyclictest10150irq/55-4a10000009:25:370
23805997545,13cyclictest10150irq/55-4a10000009:00:160
23805997539,25cyclictest12712-21df10:40:190
23805997442,20cyclictest15730-21seq08:45:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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