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2023-05-30 - 10:18

x86 AMD Geode @500 MHz, 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 792 highest latencies:
System rack4slot3.osadl.org (updated Tue May 30, 2023 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2434223940,5sleep024343-21sort19:41:140
256009915214,65cyclictest13644-21ls20:46:520
256009914815,122cyclictest729-21munin-node01:06:520
256009914614,68cyclictest3549-21runrttasks23:37:400
256009914215,62cyclictest2149-21missed_timers01:11:380
256009913615,63cyclictest25825-21munin-node23:06:180
256009913615,62cyclictest16428-21iostat_ios20:56:280
256009913615,61cyclictest3549-21runrttasks22:23:110
1439821280,4sleep014400-21latency_hist22:30:500
8187210914,82sleep08195-21munin-node22:11:170
25600999615,72cyclictest19227-21runrttasks00:25:220
25600999514,72cyclictest17719-21latency_hist00:20:500
25600999414,70cyclictest7442-21sshd22:07:310
25600999315,69cyclictest27680-21fschecks_count23:11:200
25600999214,16cyclictest24532-21iostat_ios21:21:280
25600999015,66cyclictest21136-21df_abs22:51:130
25600999013,68cyclictest29707-21switchtime19:56:530
25600998914,66cyclictest26346-21munin-node00:46:250
25600998914,66cyclictest24923-21runrttasks00:41:350
25600998914,66cyclictest15709-21seq20:54:340
25600998914,65cyclictest25946-21fschecks_time19:46:120
25600998815,64cyclictest31600-21swap01:01:510
25600998815,37cyclictest12043-21processes00:01:520
25600998814,66cyclictest29777-21processes23:16:460
25600998714,64cyclictest7055-21sensors_temp20:26:460
25600998714,64cyclictest24614-21iostat23:01:250
25600998714,40cyclictest20039-21wc22:46:450
25600998714,36cyclictest3306-21munin-node21:56:190
3252928614,59sleep032580-21fschecks_count23:26:180
25600998615,62cyclictest31656-21runrttasks21:42:190
25600998615,62cyclictest28677-21runrttasks21:34:310
25600998614,63cyclictest20909-21aten_r4power_en21:11:080
25600998614,40cyclictest19417-21munin-node00:26:270
304892840,4chrt30488-21wc21:40:490
25600998415,60cyclictest24001-21sshd00:39:320
25600998415,60cyclictest10282-21munin-node22:16:440
25600998415,58cyclictest9911-21munin-node23:56:190
25600998414,61cyclictest30993-21fschecks_time23:21:190
25600998414,60cyclictest28458-21runrttasks19:53:270
25600998414,35cyclictest3549-21runrttasks20:08:080
225302830,4sleep022529-21munin-node21:16:050
25600998217,56cyclictest3330-21lldpd22:03:520
25600998114,32cyclictest1584-21df_abs21:51:120
25600998113,59cyclictest4979-21cpu23:41:130
25600998016,54cyclictest16243-21df22:36:110
25600998014,57cyclictest8271-21munin-node20:31:240
2293428014,54sleep022944-21idleruntime22:56:270
1062928014,53sleep03233-21snmpd20:37:490
25600997916,52cyclictest27532-21munin-node00:52:000
25600997915,55cyclictest2961-21chrt23:35:190
25600997915,54cyclictest14720-21runrttasks22:31:200
25600997915,54cyclictest13276-21hddtemp_smartct00:06:190
25600997914,56cyclictest15821-21runrttasks00:14:010
25600997914,56cyclictest0-21swapper20:21:430
25600997914,55cyclictest3662-21ntp_states20:16:390
25600997815,54cyclictest9558-21crond23:55:480
25600997815,54cyclictest3549-21runrttasks00:56:330
25600997815,53cyclictest19430-21df_inode21:06:090
25600997815,27cyclictest1624-21fschecks_time20:11:180
25600997715,52cyclictest3233-21snmpd23:49:100
25600997714,54cyclictest21039-21runrttasks00:31:050
25600997516,49cyclictest25726-21munin-node21:26:280
25600997515,51cyclictest31553-21runrttasks20:02:140
25600997515,50cyclictest32640-21iostat21:46:250
25600997514,25cyclictest18026-21seq22:41:220
25600997415,49cyclictest18035-21iostat21:01:230
25600997415,49cyclictest11122-21munin-node20:41:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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