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2023-06-03 - 13:34

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 all highest latencies:
System rack4slot3.osadl.org (updated Sat Jun 03, 2023 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2837225400,4sleep028371-21sed19:41:150
4987211014,37sleep05024-21processes01:06:530
811421000,4sleep08116-21timerandwakeup20:17:010
29822999814,75cyclictest16545-21unixbench_singl00:02:060
271429815,16sleep03304-21lldpd20:01:330
29822999715,72cyclictest11342-21chrt22:06:540
29822999714,72cyclictest25400-21fschecks_time21:11:330
29822999619,67cyclictest19148-21munin-node00:11:320
29822999614,73cyclictest11001-21chrt20:26:410
2911729614,15sleep029124-21smart_hda21:21:580
592329515,16sleep05926-21diskstats21:51:280
1314329514,16sleep03233-21snmpd20:32:170
29822999416,69cyclictest25296-21munin-node22:51:240
644929315,17sleep06452-21ntp_states23:31:510
29822999226,29cyclictest24769-21sshd22:48:430
29822999215,67cyclictest1076-21munin-node19:56:400
29822999215,40cyclictest26977-21sed22:56:230
29822999214,69cyclictest32482-21proc_pri00:51:530
29822999124,58cyclictest14814-21timerandwakeup23:57:000
29822999114,68cyclictest22468-21chrt21:01:460
2105729115,16sleep021055-21ntp_states00:16:470
1556429115,16sleep015565-21diskstats20:41:300
29822999015,67cyclictest10692-21munin-node23:46:470
29822999015,66cyclictest14644-21swap22:17:050
29822999015,66cyclictest12475-21grep22:11:290
29822999015,65cyclictest13209-21timerandwakeup23:52:010
29822999014,67cyclictest3549-21runrttasks01:05:450
29822999014,66cyclictest9142-21fschecks_time20:21:280
29822999014,66cyclictest1912-21runrttasks23:17:220
1415429013,15sleep03304-21lldpd20:36:340
947528914,15sleep09478-21memory22:01:430
29822998914,66cyclictest30599-21munin-node19:46:490
29822998914,66cyclictest28419-21munin-node23:01:360
29822998914,66cyclictest18570-21runrttasks00:10:110
29822998914,65cyclictest32073-21munin-node19:51:410
29822998913,66cyclictest23881-21iostat_ios21:06:320
2294028914,17sleep022945-21vmstat22:42:090
29822998816,63cyclictest5834-21cut20:11:210
29822998815,64cyclictest3549-21runrttasks20:57:020
29822998815,64cyclictest24889-21runrttasks00:28:490
29822998814,65cyclictest32358-21sendmail_mailtr21:31:570
29822998814,65cyclictest32140-21latency23:11:380
29822998814,65cyclictest16906-21chrt22:25:460
2634028813,15sleep00-21swapper00:32:210
150028814,15sleep01524-21grep00:56:440
29822998715,63cyclictest2729-21munin-node23:21:280
29822998714,64cyclictest7762-21munin-node21:56:350
29822998714,64cyclictest3549-21runrttasks21:40:330
29822998714,64cyclictest16958-21munin-node20:46:430
452128614,16sleep04524-21iostat_ios21:46:370
29822998632,45cyclictest41ktimersoftd/022:37:000
29822998632,45cyclictest41ktimersoftd/022:32:070
29822998530,46cyclictest41ktimersoftd/000:21:250
29822998514,61cyclictest26756-21munin-node21:16:180
29822998514,36cyclictest4390-21runrttasks23:26:240
29822998429,46cyclictest41ktimersoftd/020:51:390
29822998415,60cyclictest3023-21munin-node21:41:410
29822998414,61cyclictest17110-21aten_r4power_en22:26:180
29822998331,16cyclictest41ktimersoftd/023:45:450
29822998328,47cyclictest29821-21cyclictest01:12:490
29822998230,16cyclictest41ktimersoftd/000:38:040
29822998228,45cyclictest41ktimersoftd/020:06:440
2982299821,71cyclictest30836-21munin-node23:06:550
29822998131,41cyclictest30031-21wget21:26:200
29822998127,45cyclictest41ktimersoftd/000:46:520
2858928114,15sleep00-21swapper00:41:190
29822998026,45cyclictest41ktimersoftd/023:36:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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