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2023-10-05 - 04:35
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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 highest latencies:
System rack7slot8 (updated Wed Oct 04, 2023 14:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2762215440,10sleep02755-21nodejs07:06:140
34459917143,109cyclictest3650irq/20-4900000010:14:350
34459917035,16cyclictest10250irq/56-4a10000009:59:450
34459917032,15cyclictest10250irq/56-4a10000010:09:510
34459916935,15cyclictest10250irq/56-4a10000008:34:090
34459916934,19cyclictest21548-21apt-get10:21:470
34459916731,17cyclictest11663-21nodejs09:41:410
34459916730,20cyclictest27452-21snmpd10:30:030
34459916729,16cyclictest10250irq/56-4a10000007:13:290
34459916710,21cyclictest22472-21diskstats08:21:410
34459916641,113cyclictest23644-21runrttasks12:26:390
34459916624,122cyclictest798-21systemd-logind10:45:190
3445991637,20cyclictest9156-21apt-get09:39:320
34459916331,17cyclictest25493-21systemd-journal12:10:210
34459916240,11cyclictest10150irq/55-4a10000011:23:210
34459916236,109cyclictest80632sleep011:27:260
34459916230,16cyclictest6461-21sshd07:20:580
34459916214,19cyclictest11425-21wget11:40:200
34459916138,112cyclictest13457-21nodejs11:47:440
34459916129,19cyclictest27439-21wget08:40:290
34459916126,115cyclictest25983-21munin-run10:35:010
34459916049,99cyclictest30300-21runrttasks08:51:150
34459916047,95cyclictest10150irq/55-4a10000007:30:320
34459916044,104cyclictest22272-21latency_hist10:20:220
34459916038,108cyclictest25493-21systemd-journal12:39:230
34459915950,97cyclictest14498-21/usr/sbin/munin11:51:520
34459915842,105cyclictest7891-21nodejs09:30:570
34459915841,11cyclictest8950irq/40-mmc107:45:470
34459915841,105cyclictest8585-21runrttasks07:29:320
34459915839,106cyclictest1-21systemd12:30:240
34459915835,106cyclictest12917-21nodejs09:46:580
34459915825,19cyclictest27452-21snmpd12:05:310
34459915740,105cyclictest16460-21seq07:59:470
34459915729,116cyclictest925-21avahi-daemon11:15:390
3445991565,40cyclictest15102-21nodejs07:54:400
34459915652,92cyclictest17050-21/usr/sbin/munin08:01:200
34459915651,94cyclictest22245-21/usr/sbin/munin12:21:160
34459915648,95cyclictest14080-21runrttasks09:50:440
34459915636,109cyclictest2230-21memory11:06:130
34459915621,20cyclictest1448-21wget09:05:210
34459915619,21cyclictest27452-21snmpd09:14:300
3445991559,38cyclictest20436-21apt-get08:19:370
3445991559,18cyclictest6418-21nodejs09:24:320
3445991559,16cyclictest3907-21nodejs11:12:210
34459915538,105cyclictest29218-21processes08:46:470
34459915538,103cyclictest25493-21systemd-journal09:17:070
34459915537,105cyclictest4999-21cpu07:15:320
34459915531,13cyclictest10150irq/55-4a10000011:59:050
34459915451,92cyclictest16921-21/usr/sbin/munin12:01:010
34459915447,97cyclictest758-21runrttasks11:00:450
34459915445,98cyclictest32400-21sh09:00:010
3445991544,39cyclictest20061-21nodejs08:12:440
34459915437,22cyclictest30808-21ntpq10:51:260
34459915435,16cyclictest10250irq/56-4a10000010:56:240
3445991539,15cyclictest26823-21nodejs10:36:380
34459915310,20cyclictest16472-21nodejs10:00:570
34459915235,15cyclictest6876-21df09:25:290
34459915152,79cyclictest10150irq/55-4a10000012:16:400
34459915139,13cyclictest10150irq/55-4a10000008:25:530
34459915139,100cyclictest17952-21/usr/sbin/munin08:06:350
34459915137,102cyclictest10787-21mailstats07:36:540
34459915136,22cyclictest25493-21systemd-journal10:41:040
34459915135,11cyclictest10150irq/55-4a10000011:35:460
34459915043,96cyclictest9022-21if_err_eth011:31:050
34459915022,19cyclictest27061-21nodejs08:39:390
34459914938,100cyclictest734-21run-parts09:01:510
34459914841,95cyclictest11559-21cpu07:40:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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