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2023-10-04 - 05:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Wed Oct 04, 2023 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7282235158,26sleep20-21swapper/219:05:142
28352199161,25sleep10-21swapper/119:09:511
26212199161,25sleep30-21swapper/319:07:033
7212198159,25sleep00-21swapper/019:05:080
184352190,0sleep10-21swapper/122:14:241
293099172,10cyclictest18753-21perf22:15:000
293099158,4cyclictest10732-21latency_hist19:24:590
295099140,13cyclictest0-21swapper/223:20:252
294199140,13cyclictest0-21swapper/123:20:251
2950991210,1cyclictest3354-21ssh22:35:212
295099120,11cyclictest0-21swapper/223:30:152
2930991210,1cyclictest9-21ksoftirqd/023:55:000
2930991210,1cyclictest9-21ksoftirqd/019:19:590
295099110,11cyclictest0-21swapper/200:09:332
2930991110,1cyclictest9-21ksoftirqd/023:30:010
2930991110,1cyclictest9-21ksoftirqd/023:30:010
2930991110,1cyclictest9-21ksoftirqd/021:20:000
295699109,1cyclictest35-21ksoftirqd/319:40:013
293099109,1cyclictest9-21ksoftirqd/000:00:000
293099108,1cyclictest9-21ksoftirqd/020:45:000
293099108,1cyclictest9-21ksoftirqd/020:04:590
29569999,0cyclictest0-21swapper/322:11:103
29569999,0cyclictest0-21swapper/319:52:073
29569998,1cyclictest35-21ksoftirqd/323:40:013
29569998,1cyclictest35-21ksoftirqd/322:49:593
29569998,1cyclictest35-21ksoftirqd/320:25:003
29569998,1cyclictest35-21ksoftirqd/300:35:013
29569998,1cyclictest35-21ksoftirqd/300:25:003
29569998,0cyclictest35-21ksoftirqd/322:20:203
29569997,1cyclictest35-21ksoftirqd/321:40:013
29569994,2cyclictest259-21systemd-journal20:55:003
29509999,0cyclictest0-21swapper/221:31:032
29509996,2cyclictest770-21snmpd19:35:222
29419990,3cyclictest0-21swapper/122:25:191
29309998,1cyclictest9-21ksoftirqd/023:35:010
29309997,1cyclictest9-21ksoftirqd/020:05:200
29309993,5cyclictest0-21swapper/019:25:210
29309992,6cyclictest21871-21ssh22:17:490
29309990,8cyclictest17936-21munin-run21:35:010
29569987,1cyclictest35-21ksoftirqd/323:00:003
29569987,1cyclictest35-21ksoftirqd/320:40:013
29569986,1cyclictest770-21snmpd23:59:173
29569986,1cyclictest770-21snmpd20:15:383
29569986,1cyclictest770-21snmpd20:09:493
29569980,1cyclictest0-21swapper/321:25:173
29509988,0cyclictest0-21swapper/223:13:532
29509986,1cyclictest770-21snmpd19:52:402
29509986,1cyclictest770-21snmpd00:17:372
29509986,1cyclictest770-21snmpd00:02:232
29509986,1cyclictest61250irq/122-eno123:35:172
29509986,1cyclictest61250irq/122-eno122:50:202
29509986,1cyclictest61250irq/122-eno122:10:202
29509986,1cyclictest61250irq/122-eno121:55:222
29509986,1cyclictest61250irq/122-eno121:40:402
29509986,1cyclictest28-21ksoftirqd/221:10:002
29509980,7cyclictest0-21swapper/221:35:062
29509980,3cyclictest0-21swapper/223:53:022
29419983,1cyclictest0-21swapper/120:30:201
29309987,1cyclictest9-21ksoftirqd/020:30:010
29309987,1cyclictest9-21ksoftirqd/019:40:010
29309987,1cyclictest9-21ksoftirqd/000:35:220
29309987,1cyclictest9-21ksoftirqd/000:10:240
29309986,1cyclictest770-21snmpd20:31:140
29309986,1cyclictest770-21snmpd19:52:550
29309986,1cyclictest31927-21ssh22:30:210
29309986,1cyclictest16879-21ntpq22:50:260
29309985,3cyclictest534-21nscd21:46:020
29309983,2cyclictest7414-21/usr/sbin/munin22:40:170
29309982,1cyclictest25391-21ssh23:00:300
29309981,6cyclictest7953-21/usr/sbin/munin23:20:270
29309980,7cyclictest31872-21ssh00:26:280
29309980,7cyclictest30736-21ssh21:50:090
29309980,7cyclictest28964-21ssh00:24:200
29309980,7cyclictest24448-21ssh21:40:450
29309980,7cyclictest22123-21ssh22:56:440
29309980,7cyclictest12639-21ssh21:28:310
29309980,4cyclictest28429-21perf21:10:000
29309980,4cyclictest27375-21munin-run20:00:000
29309980,3cyclictest16558-21ssh00:09:480
29309980,1cyclictest0-21swapper/020:10:210
10926280,0sleep30-21swapper/322:44:243
384270,0sleep30-21swapper/321:51:013
30964270,1sleep10-21swapper/121:11:291
29569976,1cyclictest35-21ksoftirqd/323:50:203
29569976,1cyclictest35-21ksoftirqd/322:20:013
29569976,1cyclictest35-21ksoftirqd/322:00:003
29569976,1cyclictest35-21ksoftirqd/321:35:013
29569975,1cyclictest8826-21ssh22:01:143
29569975,1cyclictest7956-21ssh00:36:343
29569975,1cyclictest770-21snmpd23:42:503
29569975,1cyclictest770-21snmpd21:21:073
29569975,1cyclictest770-21snmpd21:10:423
29569975,1cyclictest770-21snmpd21:07:453
29569975,1cyclictest770-21snmpd20:59:333
29569975,1cyclictest770-21snmpd20:41:153
29569975,1cyclictest770-21snmpd20:13:433
29569975,1cyclictest770-21snmpd20:02:533
29569975,1cyclictest770-21snmpd19:27:143
29569975,1cyclictest770-21snmpd00:15:083
29569975,1cyclictest35-21ksoftirqd/323:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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