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2025-05-02 - 12:42
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot3.osadl.org (updated Fri May 02, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150228310,5sleep01504-21unixbench_singl19:07:030
15650210914,82sleep015333-21munin-node23:11:450
4683210313,16sleep04686-21ntp_states00:17:040
7144210114,15sleep07184-21aten_r4power_en19:26:330
29024210114,16sleep029038-21munin-node22:12:090
9284210014,20sleep09297-21missed_timers19:31:580
30216210014,16sleep030228-21iostat20:36:490
2631210014,16sleep02672-21munin-node20:51:510
21958210014,16sleep022030-21tune2fs20:11:460
14268210014,16sleep014264-21ntp_states19:47:080
10362210014,16sleep010436-21grep22:56:220
2189999915,74cyclictest1981-21seq20:50:140
1394529913,23sleep014018-21fschecks_time23:06:440
1940029815,70sleep018478-21munin-node20:02:200
1249629814,16sleep012498-21iostat_ios21:21:570
1069729814,16sleep010724-21hddtemp_smartct19:36:440
419729716,15sleep04200-21diskstats22:36:390
2369929714,18sleep023737-21if_eth020:16:500
2189999714,73cyclictest16860-21munin-node19:56:450
617229614,16sleep06170-21ntp_states19:22:060
717429513,15sleep07166-21latency_hist00:26:220
302029514,16sleep03018-21ntp_states00:12:030
2992029514,16sleep029971-21wget22:16:350
2686729513,15sleep026938-21fschecks_time22:06:470
740129414,15sleep07430-21df_inode22:46:380
603929414,15sleep06042-21iostat_ios22:41:500
3169129414,16sleep031694-21df00:01:370
2229129414,16sleep022324-21date21:51:590
2189999414,71cyclictest23973-21netstat21:57:000
461129314,16sleep04655-21ps19:17:100
2189999314,70cyclictest16322-21runrttasks19:52:530
1930429314,16sleep019323-21sensors_temp21:42:120
132129313,16sleep01319-21ntp_states22:27:080
1209929314,15sleep00-21swapper19:41:420
942129215,18sleep09422-21memory00:31:580
2516129214,16sleep025209-21df23:41:360
1329229214,15sleep00-21swapper23:03:520
926129114,15sleep09262-21irqstats21:11:570
620929114,16sleep06207-21ntp_states21:02:080
2861629114,16sleep028619-21iostat20:31:510
2189999114,68cyclictest27267-21netstat23:47:020
2189999114,68cyclictest16998-21chrt21:36:370
2061529114,16sleep020618-21iostat_ios23:26:510
143062910,4chrt14308-21ntp_offset21:27:040
1095629113,15sleep010978-21grep21:16:580
394329013,15sleep03972-21aten_r4power_en20:56:370
386529015,16sleep03288-21lldpd22:36:180
2189999015,66cyclictest3533-21runrttasks23:37:440
2189999014,67cyclictest17815-21threads23:17:160
762928913,15sleep07634-21which00:26:470
2189998916,65cyclictest16413-21runrttasks21:33:130
2189998914,66cyclictest25840-21switchtime22:02:150
2189998914,66cyclictest19137-21needreboot23:22:000
2189998914,65cyclictest1600-21timerandwakeup00:07:160
2189998913,67cyclictest32408-21timerwakeupswit22:22:180
2030628914,15sleep020309-21diskstats20:06:420
2189998815,64cyclictest10636-21seq22:56:360
2595428714,60sleep025960-21munin-node20:22:220
2297028714,15sleep00-21swapper23:33:330
2189998714,37cyclictest28713-21iostat23:51:520
2189998614,63cyclictest31665-21forks20:41:480
2189998614,63cyclictest30270-21munin-node23:56:460
2722828514,15sleep027258-21proc_pri20:27:090
2189998513,36cyclictest20147-21munin-node21:46:390
334128313,14sleep00-21swapper19:12:500
1050928213,15sleep00-21swapper00:36:290
823228013,15sleep00-21swapper21:07:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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