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2023-03-28 - 07:07

x86 Intel T1300 @1667 MHz, Linux 4.16.15-rt7 (Profile)

Latency plot of system in rack #6, slot #2
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 rack6slot2.osadl.org (updated Tue Mar 28, 2023 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304722650,0sleep10-21swapper/120:28:371
437224711,7sleep00-21swapper/019:00:550
45992439,8sleep10-21swapper/119:03:161
4666993533,1cyclictest248850irq/16-enp2s0f020:58:330
4667993432,1cyclictest248850irq/16-enp2s0f020:54:081
4667993432,1cyclictest248850irq/16-enp2s0f019:13:451
4667993432,1cyclictest168050irq/16-i91523:58:401
4667993432,1cyclictest168050irq/16-i91523:09:351
4667993432,1cyclictest168050irq/16-i91520:38:391
4667993432,1cyclictest168050irq/16-i91500:10:541
4666993433,0cyclictest248850irq/16-enp2s0f022:53:580
4666993432,1cyclictest81ktimersoftd/019:57:220
4666993432,1cyclictest248850irq/16-enp2s0f023:38:330
4666993432,1cyclictest248850irq/16-enp2s0f023:14:090
4666993432,1cyclictest248850irq/16-enp2s0f023:08:380
4666993432,1cyclictest248850irq/16-enp2s0f023:03:360
4666993432,1cyclictest248850irq/16-enp2s0f022:16:150
4666993432,1cyclictest248850irq/16-enp2s0f021:58:230
4666993432,1cyclictest248850irq/16-enp2s0f021:08:340
4666993432,1cyclictest248850irq/16-enp2s0f020:53:340
4666993432,1cyclictest248850irq/16-enp2s0f020:48:330
4666993432,1cyclictest248850irq/16-enp2s0f020:36:100
4666993432,1cyclictest248850irq/16-enp2s0f020:28:040
4666993432,1cyclictest248850irq/16-enp2s0f019:33:370
4666993432,1cyclictest248850irq/16-enp2s0f000:18:370
4667993332,0cyclictest248850irq/16-enp2s0f019:53:331
4667993332,0cyclictest168050irq/16-i91523:48:461
4667993332,0cyclictest168050irq/16-i91523:38:311
4667993332,0cyclictest168050irq/16-i91523:25:511
4667993332,0cyclictest168050irq/16-i91523:05:031
4667993332,0cyclictest168050irq/16-i91522:49:141
4667993332,0cyclictest168050irq/16-i91522:44:441
4667993332,0cyclictest168050irq/16-i91521:10:591
4667993332,0cyclictest168050irq/16-i91521:03:431
4667993332,0cyclictest168050irq/16-i91520:13:451
4667993332,0cyclictest168050irq/16-i91519:03:231
4667993331,1cyclictest248850irq/16-enp2s0f023:18:381
4667993331,1cyclictest248850irq/16-enp2s0f022:23:481
4667993331,1cyclictest248850irq/16-enp2s0f021:34:171
4667993331,1cyclictest248850irq/16-enp2s0f021:16:371
4667993331,1cyclictest248850irq/16-enp2s0f020:11:541
4667993331,1cyclictest248850irq/16-enp2s0f019:58:331
4667993331,1cyclictest248850irq/16-enp2s0f019:48:341
4667993331,1cyclictest248850irq/16-enp2s0f019:35:111
4667993331,1cyclictest168050irq/16-i91523:54:411
4667993331,1cyclictest168050irq/16-i91522:33:351
4667993331,1cyclictest168050irq/16-i91522:18:371
4667993331,1cyclictest168050irq/16-i91500:28:401
4667993331,1cyclictest168050irq/16-i91500:20:461
4666993332,0cyclictest248850irq/16-enp2s0f023:53:490
4666993332,0cyclictest248850irq/16-enp2s0f023:51:500
4666993332,0cyclictest248850irq/16-enp2s0f023:36:120
4666993332,0cyclictest248850irq/16-enp2s0f023:29:230
4666993332,0cyclictest248850irq/16-enp2s0f023:23:390
4666993332,0cyclictest248850irq/16-enp2s0f022:58:360
4666993332,0cyclictest248850irq/16-enp2s0f022:38:360
4666993332,0cyclictest248850irq/16-enp2s0f022:34:310
4666993332,0cyclictest248850irq/16-enp2s0f022:28:330
4666993332,0cyclictest248850irq/16-enp2s0f022:18:370
4666993332,0cyclictest248850irq/16-enp2s0f022:08:340
4666993332,0cyclictest248850irq/16-enp2s0f022:03:410
4666993332,0cyclictest248850irq/16-enp2s0f021:41:550
4666993332,0cyclictest248850irq/16-enp2s0f021:29:540
4666993332,0cyclictest248850irq/16-enp2s0f021:18:370
4666993332,0cyclictest248850irq/16-enp2s0f021:13:300
4666993332,0cyclictest248850irq/16-enp2s0f020:43:400
4666993332,0cyclictest248850irq/16-enp2s0f020:21:410
4666993332,0cyclictest248850irq/16-enp2s0f019:03:310
4666993332,0cyclictest248850irq/16-enp2s0f000:28:350
4666993332,0cyclictest248850irq/16-enp2s0f000:23:360
4666993332,0cyclictest248850irq/16-enp2s0f000:14:180
4666993332,0cyclictest248850irq/16-enp2s0f000:08:380
4666993331,1cyclictest248850irq/16-enp2s0f023:48:070
4666993331,1cyclictest248850irq/16-enp2s0f022:47:470
4666993331,1cyclictest248850irq/16-enp2s0f022:23:450
4666993331,1cyclictest248850irq/16-enp2s0f021:53:410
4666993331,1cyclictest248850irq/16-enp2s0f021:43:360
4666993331,1cyclictest248850irq/16-enp2s0f021:23:360
4666993331,1cyclictest248850irq/16-enp2s0f020:39:390
4666993331,1cyclictest248850irq/16-enp2s0f020:13:410
4666993331,1cyclictest248850irq/16-enp2s0f019:48:370
4666993331,1cyclictest248850irq/16-enp2s0f019:43:380
4666993331,1cyclictest248850irq/16-enp2s0f019:41:440
4666993331,1cyclictest248850irq/16-enp2s0f019:28:520
4666993331,1cyclictest248850irq/16-enp2s0f019:24:290
4667993232,0cyclictest248850irq/16-enp2s0f023:28:331
4667993232,0cyclictest248850irq/16-enp2s0f019:23:371
4667993232,0cyclictest168050irq/16-i91523:47:291
4667993232,0cyclictest168050irq/16-i91523:13:371
4667993232,0cyclictest168050irq/16-i91521:51:051
4667993232,0cyclictest168050irq/16-i91519:38:301
4667993232,0cyclictest168050irq/16-i91519:08:381
4667993231,0cyclictest248850irq/16-enp2s0f020:43:321
4667993231,0cyclictest248850irq/16-enp2s0f020:18:301
4667993231,0cyclictest168050irq/16-i91523:33:241
4667993231,0cyclictest168050irq/16-i91522:58:361
4667993231,0cyclictest168050irq/16-i91522:38:381
4667993231,0cyclictest168050irq/16-i91522:31:111
4667993231,0cyclictest168050irq/16-i91522:08:391
4667993231,0cyclictest168050irq/16-i91522:03:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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