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2025-07-19 - 06:27
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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 all highest latencies:
System rack7slot8.osadl.org (updated Sat Jul 19, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11248218831,124sleep00-21swapper/019:07:530
115649913666,52cyclictest1336-21runrttasks22:10:200
115649913470,46cyclictest6076-21latency_hist20:55:030
115649913164,26cyclictest1424-21nginx00:29:020
115649912941,35cyclictest16744-21users21:35:490
115649912755,36cyclictest23539-21apt-get22:02:130
115649912669,37cyclictest25488-21users20:00:480
115649912549,37cyclictest22373-21ntp_states00:06:240
115649912144,55cyclictest9607-21/usr/sbin/munin23:15:480
115649912045,32cyclictest1801-21node22:18:170
115649911948,50cyclictest17843-21cut23:50:170
115649911947,29cyclictest9436-21sshd21:07:090
115649911944,37cyclictest24189-21systemctl00:11:420
115649911850,48cyclictest27748-21/usr/sbin/munin22:20:130
115649911848,51cyclictest19634-21wget19:40:130
115649911752,45cyclictest5560-21if_err_eth023:00:310
115649911747,36cyclictest1356-21snmpd00:02:040
115649911745,20cyclictest27561-21df20:10:210
115649911674,33cyclictest12903-21seq23:30:200
115649911652,50cyclictest10250irq/56-4a10000021:50:170
115649911651,47cyclictest31869-21ntp_states22:35:440
115649911545,51cyclictest1356-21snmpd22:45:530
115649911475,27cyclictest18454-21df19:35:200
115649911447,49cyclictest1336-21runrttasks19:20:200
115649911445,50cyclictest1356-21snmpd20:39:040
115649911370,34cyclictest22609-21runrttasks19:50:490
115649911369,33cyclictest29673-21runrttasks20:19:290
115649911344,34cyclictest24611-21seq19:58:550
115649911343,20cyclictest15475-21df23:40:240
115649911341,53cyclictest11887-21nfs4_client23:25:390
115649911341,36cyclictest29995-21wget20:20:160
115649911341,36cyclictest20005-21runrttasks23:59:100
115649911335,20cyclictest16521-21apt-get19:32:090
115649911268,33cyclictest11924-21seq21:17:060
115649911241,51cyclictest1356-21snmpd19:28:480
115649911238,35cyclictest26507-21ntp_states20:05:360
115649911228,31cyclictest29991-21df00:35:210
115649911146,46cyclictest7481-21wget21:00:130
115649911142,35cyclictest17795-21ntp_states21:40:430
115649911043,51cyclictest7780-21/usr/sbin/munin23:10:270
115649911038,35cyclictest4803-21latency_hist20:50:020
115649910978,22cyclictest30271-21runrttasks22:30:150
115649910970,28cyclictest1336-21runrttasks23:49:270
115649910968,33cyclictest26182-21wget00:20:170
115649910953,21cyclictest6564-21aten_r7power_cu23:05:190
115649910943,50cyclictest19681-21chrt21:49:250
115649910941,34cyclictest1356-21snmpd21:29:140
115649910868,29cyclictest12615-21runrttasks19:13:440
115649910865,33cyclictest1531-21munin-node21:10:090
115649910840,49cyclictest4277-21fw_forwarded_lo22:55:270
115649910840,31cyclictest2688-21fw_forwarded_lo20:40:290
115649910776,22cyclictest21370-21runrttasks19:45:500
115649910769,28cyclictest13654-21apt-get19:17:060
115649910763,32cyclictest760-21systemd-journal23:36:190
115649910755,33cyclictest24260-21if_err_eth022:05:340
115649910748,20cyclictest2998-21df_inode22:50:200
115649910741,49cyclictest21933-21sshd21:57:310
115649910741,34cyclictest1356-21snmpd22:26:380
115649910638,36cyclictest10689-21ntp_states23:20:440
115649910567,20cyclictest24791-21/usr/sbin/munin00:15:200
115649910536,34cyclictest1356-21snmpd00:32:130
115649910448,38cyclictest32365-21/usr/sbin/munin20:30:530
115649910440,47cyclictest322-21wget22:40:140
115649910353,38cyclictest1801-21node21:33:130
115649910343,19cyclictest6411-21/usr/sbin/munin20:55:300
115649910272,22cyclictest12841-21open_inodes21:20:430
115649910051,37cyclictest31304-21df20:25:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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