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2025-09-03 - 00:22
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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 Sep 02, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252549915814,70cyclictest3533-21runrttasks08:53:140
252549915115,66cyclictest13849-21sshd11:33:540
252549915014,66cyclictest9963-21kernelversion11:22:550
252549914914,67cyclictest25132-21seq08:50:150
252549914414,69cyclictest2858-21munin-node09:22:510
252549914214,67cyclictest28217-21sshd07:20:550
252549913413,64cyclictest19339-21munin-node11:52:350
252549913315,64cyclictest944-21munin-node07:38:110
23811212418,24sleep023826-21df_inode07:07:370
3023821170,4sleep030237-21cut07:27:360
796121070,4sleep07962-21grep07:57:500
25254999714,21cyclictest3177-21df11:02:380
25254999514,71cyclictest13598-21sshd08:13:540
25254999414,71cyclictest29580-21netstat12:22:580
25254999314,69cyclictest21115-21hddtemp_smartct10:17:490
25254999214,69cyclictest29274-21if_eth010:42:490
25254999214,68cyclictest31906-21chrt12:30:330
25254999214,68cyclictest29630-21munin-node09:03:190
25254999114,68cyclictest18685-21chrt10:09:360
25254999114,67cyclictest32399-21grep10:52:440
25254999114,67cyclictest32116-21munin-node07:32:470
25254999114,67cyclictest2859-21latency_hist11:02:240
25254999114,67cyclictest11856-21unixbench_singl08:08:230
25254999114,42cyclictest27674-21munin-node10:37:490
25254999021,60cyclictest5651-21sshd07:51:080
25254999015,66cyclictest32014-21munin-node09:13:160
25254999014,67cyclictest9237-21munin-node08:02:400
25254999014,67cyclictest2429-21sshd09:19:550
25254999014,67cyclictest16762-21unixbench_singl08:23:200
25254999014,66cyclictest6341-21munin-node09:32:390
25254998915,65cyclictest4649-21munin-node11:07:500
25254998914,66cyclictest20784-21cpu08:37:350
2704328814,15sleep00-21swapper12:15:370
25254998815,64cyclictest23103-21ntp_kernel_pll_12:02:590
25254998814,65cyclictest31409-21runrttasks10:48:190
25254998814,65cyclictest22264-21munin-node08:43:110
25254998714,64cyclictest19914-21sendmail_mailqu10:13:120
25254998713,65cyclictest6384-21if_eth007:52:470
1642028714,15sleep016451-21ls10:03:010
1247928713,15sleep00-21swapper11:31:000
25254998615,63cyclictest3533-21runrttasks07:15:570
25254998615,61cyclictest14910-21munin-node09:58:040
25254998614,63cyclictest3533-21runrttasks10:36:470
25254998614,63cyclictest32245-21munin-node12:32:570
25254998614,62cyclictest24537-21interrupts12:07:510
25254998515,61cyclictest18072-21munin-node08:28:090
25254998515,60cyclictest27548-21interrupts08:57:500
25254998514,62cyclictest3533-21runrttasks09:37:560
25254998514,62cyclictest13252-21netstat09:53:020
25254998514,35cyclictest3678-21munin-node07:43:220
871628414,58sleep08740-21munin-node11:18:510
729728414,57sleep07298-21yum11:13:250
25254998417,56cyclictest23029-21ntp_states10:23:050
25254998415,60cyclictest14148-21munin-node08:17:410
25254998414,60cyclictest19630-21netstat08:33:040
25254998414,35cyclictest21260-21if_err_eth011:57:480
25254998314,60cyclictest5158-21ntpdc09:28:030
1610628313,57sleep016170-21munin-node11:42:360
25254998214,59cyclictest9720-21munin-node09:42:470
25254998214,59cyclictest1440-21munin-node12:37:350
25254998213,60cyclictest11024-21munin-node09:47:460
2758228114,54sleep027373-21munin-node12:17:410
25254998115,57cyclictest28520-21munin-node07:23:220
1909428114,14sleep00-21swapper11:52:030
25254998015,55cyclictest15030-21ntp_states11:38:070
25254997716,23cyclictest30581-21df_inode09:07:380
25254997415,50cyclictest24006-21munin-node10:28:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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