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2025-07-13 - 21:44
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack7slot8.osadl.org (updated Sun Jul 13, 2025 14:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19076221227,54sleep00-21swapper/007:07:400
194259916443,29cyclictest24658-21sed07:30:030
194259916252,15cyclictest10150irq/55-4a10000009:50:220
19425991567,61cyclictest1356-21snmpd11:21:200
194259915426,38cyclictest25153-21sshd09:40:340
17540211413,88sleep017543-21df09:10:190
460521116,82sleep04625-21mailstats12:35:460
2260921105,12sleep022624-21/usr/sbin/munin07:20:450
2256321076,88sleep022572-21fw_conntrack09:30:260
16309210710,12sleep016312-21diskstats09:05:210
2209421054,11sleep022129-21date07:20:030
2464221025,83sleep024649-21users11:45:510
2468121016,78sleep024698-21aten_r7power_cu07:30:130
2271021005,79sleep022764-21latency_hist11:40:040
194732965,11sleep019471-21ntp_states11:25:470
75882955,11sleep07591-21df_inode08:30:190
199092955,76sleep019907-21df07:10:270
6252944,79sleep032376-21apt-get10:11:070
303232939,71sleep030324-21memory10:00:330
270742925,74sleep027114-21awk11:55:510
102912926,74sleep010290-21ntp_states08:40:420
316452905,74sleep031643-21ntp_states10:05:390
235122904,75sleep023513-21sshd11:41:350
19425999042,16cyclictest10250irq/56-4a10000010:31:150
19425999031,40cyclictest0-21swapper/007:41:130
51542896,72sleep05156-21fw_forwarded_lo08:20:270
24142895,71sleep02417-21df_inode08:10:190
19425998643,29cyclictest3650irq/20-4900000008:18:160
271032844,7sleep00-21swapper/009:49:150
326832835,68sleep032714-21mailstats08:00:490
19425998350,23cyclictest0-21swapper/008:50:220
19425998250,15cyclictest15311-21/usr/sbin/munin11:10:120
19425998249,22cyclictest101ktimersoftd/010:46:570
19425998240,27cyclictest3650irq/20-4900000011:02:040
19425998230,37cyclictest0-21swapper/011:52:150
19425998226,20cyclictest1356-21snmpd12:21:360
1942599817,39cyclictest1801-21node08:55:530
19425998135,30cyclictest10250irq/56-4a10000012:31:360
19425998128,37cyclictest101ktimersoftd/012:00:380
122162816,64sleep01356-21snmpd08:49:450
19425998054,17cyclictest28778-21/usr/sbin/munin07:45:380
19425998050,13cyclictest10150irq/55-4a10000012:17:200
19425998044,19cyclictest10150irq/55-4a10000011:17:130
19425998025,20cyclictest1880-21chrt08:08:090
1942599797,35cyclictest2283-21apt-cache10:17:130
1942599796,11cyclictest24256-21sshd09:36:150
19425997958,13cyclictest101ktimersoftd/009:17:080
19425997958,12cyclictest101ktimersoftd/009:55:530
19425997955,17cyclictest12701-21latency_hist11:00:070
19425997949,14cyclictest10150irq/55-4a10000012:05:280
19425997949,13cyclictest10150irq/55-4a10000010:40:260
19425997948,14cyclictest10150irq/55-4a10000007:55:210
19425997930,31cyclictest15133-21if_eth009:00:290
19425997830,15cyclictest10250irq/56-4a10000010:26:130
19425997819,29cyclictest792-21haveged10:40:040
19425997813,34cyclictest101ktimersoftd/007:50:300
1942599779,16cyclictest1921-21irqstats12:25:320
19425997747,13cyclictest10150irq/55-4a10000010:20:270
19425997745,15cyclictest10150irq/55-4a10000008:25:130
19425997656,13cyclictest101ktimersoftd/011:30:370
19425997643,23cyclictest8936-21runrttasks08:35:340
1942599763,40cyclictest21508-21ntp_states09:25:460
19425997628,33cyclictest101ktimersoftd/009:22:250
19425997618,43cyclictest10250irq/56-4a10000007:35:370
19425997457,10cyclictest101ktimersoftd/012:10:390
19425997445,13cyclictest10150irq/55-4a10000011:05:320
19425997322,14cyclictest10299-21aten_r7power_po10:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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