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2021-06-17 - 20:04

Geode(TM) Integrated Processor by AMD PCS, Linux 4.9.47-rt37-geode (Profile)

Latency plot of system in rack #4, slot #3
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p99 -i200 -h400 -q
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 100 highest latencies:
System rack4slot3.osadl.org (updated Thu Jun 17, 2021 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16454210917,20sleep03308-21lldpd07:20:570
6585210713,32sleep06619-21unixbench_singl11:47:590
23171210013,16sleep023180-21munin-run09:21:570
1707210015,16sleep03237-21snmpd08:14:320
1210329914,15sleep00-21swapper12:07:020
2495229813,15sleep025003-21hostname09:27:090
1399829813,18sleep014003-21hddtemp_smartct10:32:220
301729714,16sleep03047-21open_inodes11:37:530
2851429714,15sleep028536-21munin-node09:37:230
2442329714,15sleep024424-21unixbench_singl12:42:550
2418329714,16sleep024188-21smart_hda11:02:470
16689999714,74cyclictest12494-21seq08:47:350
1076229714,16sleep010765-21iostat_ios08:42:380
2870829614,18sleep028711-21ntp_states07:57:420
1602129615,16sleep016019-21ntp_states12:17:450
2661529514,16sleep026644-21df_inode07:52:160
2419729514,15sleep024213-21timerwakeupswit09:22:530
2308529514,15sleep023101-21latency_hist07:41:570
1877029514,16sleep018774-21hddtemp_smartct09:07:210
1716929514,16sleep017228-21perl10:42:270
1582829514,15sleep015826-21ntp_states08:57:440
605929414,16sleep06067-21memory10:07:370
2845929414,16sleep028460-21diskstats11:17:150
2035429414,16sleep020355-21diskstats10:52:180
2011329414,15sleep020122-21munin-run12:31:570
1707129413,16sleep017075-21hddtemp_smartct07:22:270
16689999415,69cyclictest12459-21sshd10:27:260
16689999414,71cyclictest10498-21munin-node12:02:100
2718629314,16sleep027187-21ntp_states09:32:420
16689999315,69cyclictest4602-21munin-node08:22:480
16689999314,69cyclictest25435-21munin-node11:07:350
2030729214,16sleep020317-21idleruntime07:32:230
16689999215,66cyclictest10848-21iostat_ios10:22:300
15762920,4sleep01577-21timerandwakeup11:32:540
772329113,15sleep07727-21needreboot10:12:360
3151729114,16sleep031527-21forks08:07:180
3106129114,15sleep03308-21lldpd11:24:220
2201029114,16sleep022078-21perl10:57:200
16689999115,65cyclictest26843-21munin-node11:12:170
16689999114,68cyclictest29836-21aten_r4power_po09:42:090
1909829014,15sleep019134-21ntp_kernel_pll_10:47:400
16689999015,66cyclictest2127-21munin-node08:17:110
16689999015,66cyclictest17341-21sshd12:22:240
16689999014,67cyclictest8571-21latency_hist08:36:580
16689999014,67cyclictest13568-21aten_r4power_cu08:52:090
16689998914,66cyclictest9365-21munin-node10:17:420
16689998914,66cyclictest3557-21runrttasks12:51:350
16689998914,66cyclictest3557-21runrttasks08:02:140
16689998914,66cyclictest13984-21munin-node12:12:270
611128814,16sleep06109-21ntp_states08:27:510
3184128813,15sleep031844-21iostat_ios09:47:330
16689998814,65cyclictest880-21fschecks_time09:52:190
16689998814,65cyclictest8691-21munin-node08:37:110
16689998715,63cyclictest16039-21sendmail_mailqu10:37:450
16689998714,64cyclictest4443-21if_eth011:42:350
16689998714,64cyclictest4138-21df_abs10:02:250
16689998714,64cyclictest17415-21munin-node09:02:380
1011928714,15sleep00-21swapper11:59:490
372828614,15sleep00-21swapper10:01:240
16689998615,62cyclictest24824-21munin-node07:47:280
16689998614,63cyclictest19153-21munin-node07:27:570
3229728514,15sleep032302-21smart_hda11:27:500
16689998515,61cyclictest22262-21if_err_eth012:37:330
2123428413,15sleep021246-21munin-node12:32:560
16689998414,33cyclictest7646-21if_eth011:52:240
2433828213,14sleep00-21swapper07:43:580
2133828114,15sleep00-21swapper09:15:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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