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2023-03-26 - 05:16

x86 VIA Samuel 2 @533 MHz, Linux 3.18.9-rt4 (Profile)

Latency plot of system in rack #3, slot #7
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p98 -i200 -h1000 -q
Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot7.osadl.org (updated Sun Mar 26, 2023 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/02164-21kworker/0:019:00:160
14991290watchdog/018708-21runrttasks20:59:530
14991260watchdog/02980-21runrttasks22:56:530
14991260watchdog/029676-21latency_hist23:25:010
14991250watchdog/08282-21latency_hist20:25:010
14991250watchdog/017506-21runrttasks22:43:170
14991250watchdog/017473-21runrttasks00:30:370
14991230watchdog/07752-21latency_hist00:00:010
14991230watchdog/02980-21runrttasks22:02:410
14991230watchdog/02980-21runrttasks21:19:170
14991220watchdog/09336-21munin-node00:05:370
14991200watchdog/028996-21runrttasks21:33:250
14991200watchdog/017419-21vmstat19:05:290
14991190watchdog/020662-21aten_r3power_po19:15:370
14991180watchdog/09783-21latency_hist20:30:010
14991170watchdog/010932-21idleruntime00:10:170
14991160watchdog/02980-21runrttasks23:43:250
14991150watchdog/03391-21nfs_client21:55:330
14991140watchdog/019165-21df_inode21:00:250
14991140watchdog/017838-21munin-node22:45:210
14991120watchdog/023706-21latency_hist23:05:010
14991100watchdog/027168-21expr21:25:410
14991100watchdog/026040-21missed_timers23:10:370
14991080watchdog/08081-21aten_r3power_vo00:00:250
14991070watchdog/010507-21interrupts20:30:330
14991060watchdog/0256162sleep019:34:090
14991060watchdog/018432-21irqstats19:10:130
14991060watchdog/01023-21chrt21:48:250
2423501050irq/11-eth012846-21nfs_client00:15:330
14991030watchdog/013346-21munin-node22:30:330
14991020watchdog/0792-21latency_hist20:00:010
14991020watchdog/03357-21munin-node23:45:210
2423501010irq/11-eth014402-21head00:20:350
14991010watchdog/02980-21runrttasks23:27:530
14991010watchdog/029073-21aten_r3power_vo19:45:210
14991010watchdog/024239-21munin-run19:30:010
14991010watchdog/01662-21aten_r3power_po20:00:370
93150990irq/14-ide031164-21latency_hist23:30:020
16639989912cyclictest2109-21aten_r3power_en21:50:370
1499990watchdog/016666-21cstates20:50:370
1499980watchdog/05282-21open_files23:50:250
242350970irq/11-eth023019-21chrt21:13:260
242350950irq/11-eth02980-21runrttasks20:42:050
1499910watchdog/0225282sleep019:23:170
16639988712cyclictest4440-21needreboot20:10:310
16639988513cyclictest8190-21cstates22:10:430
16639988512cyclictest25239-21latency_hist23:10:020
2603828413sleep026085-21munin-node19:35:210
16639988413cyclictest27511-21latency23:15:340
1499830watchdog/02980-21runrttasks21:08:010
16639988212cyclictest24841-21munin-node21:20:260
16639988112cyclictest15377-21nfs_client22:35:360
16639988014cyclictest12632-21aten_r3power_po22:25:350
1499800watchdog/02980-21runrttasks21:40:050
242350790irq/11-eth015796-21nfs_client00:25:390
16639987913cyclictest3210-21wc20:05:400
16639987912cyclictest5721-21df_inode20:15:230
16639987912cyclictest11380-21munin-node20:35:140
16639987814cyclictest29331-21munin-node21:35:350
16639987814cyclictest27521-21df19:40:200
16639987812cyclictest5891-21munin-node22:05:350
16639987612cyclictest14949-21kernelversion20:45:310
16639987611cyclictest8832-21latency_hist22:15:020
16639987611cyclictest30672-21df_inode19:50:230
16639987513cyclictest10369-21munin-node22:20:250
16639987512cyclictest2980-21runrttasks23:39:010
1499750watchdog/019791-21nfs_client22:50:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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