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2023-09-23 - 23:39
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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 376 highest latencies:
System rack7slot8 (updated Sat Sep 23, 2023 14:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1121126430,13sleep011209-21nodejs07:06:370
118309918236,122cyclictest25341-21sshd12:00:500
118309917943,117cyclictest17727-21runrttasks11:34:450
118309917639,17cyclictest10250irq/56-4a10000007:21:220
118309917133,16cyclictest10250irq/56-4a10000007:11:180
118309917026,19cyclictest27452-21snmpd08:56:140
11830991698,16cyclictest31847-21nodejs10:26:310
118309916843,112cyclictest27950-21fw_conntrack12:10:490
11830991659,16cyclictest13484-21nodejs11:19:450
11830991658,16cyclictest14135-21ntp_states11:21:220
118309916545,109cyclictest5654-21nginx09:46:220
118309916545,103cyclictest3650irq/20-4900000009:21:320
118309916543,111cyclictest28472-21chrt08:10:350
118309916542,13cyclictest10150irq/55-4a10000009:19:300
118309916541,111cyclictest28657-21latency_hist10:15:050
118309916533,15cyclictest10250irq/56-4a10000007:41:350
118309916526,121cyclictest19435-21nodejs09:40:190
11830991649,39cyclictest24326-21wget07:55:290
118309916439,13cyclictest10150irq/55-4a10000008:46:320
118309916252,92cyclictest101ktimersoftd/009:29:040
118309916245,13cyclictest10150irq/55-4a10000012:36:090
118309916244,106cyclictest26198-21aten_r7power_en10:05:230
118309916240,12cyclictest10150irq/55-4a10000010:53:130
118309916233,26cyclictest8950irq/40-mmc108:53:310
11830991618,17cyclictest19224-21nodejs11:39:380
11830991609,19cyclictest2588-21df08:35:330
118309916047,14cyclictest10150irq/55-4a10000009:01:500
118309916031,31cyclictest27452-21snmpd08:01:500
118309916029,16cyclictest12750-21seq09:15:070
11830991599,16cyclictest15192-21df_inode11:25:320
11830991589,23cyclictest20929-21nodejs11:44:380
11830991589,18cyclictest23075-21nodejs07:51:180
11830991587,19cyclictest1644-21nodejs10:34:390
118309915847,99cyclictest10974-21latency_hist11:10:070
118309915846,13cyclictest10150irq/55-4a10000011:11:400
118309915841,20cyclictest4161-21ntpq08:41:220
118309915834,106cyclictest10250irq/56-4a10000009:36:190
118309915825,20cyclictest27452-21snmpd07:15:200
11830991576,15cyclictest17199-21nodejs09:30:530
118309915741,104cyclictest32320-21aten_r7power_vo08:25:270
118309915739,15cyclictest4887-21runrttasks10:46:180
118309915654,91cyclictest29732-21/usr/sbin/munin08:15:280
118309915649,93cyclictest1478-21/usr/sbin/munin08:31:200
118309915645,98cyclictest19587-21sendmail_mailqu07:37:520
118309915641,17cyclictest1317-21runrttasks10:17:290
118309915639,24cyclictest650-21df12:30:260
118309915633,21cyclictest31348-21ntpq08:21:250
118309915555,92cyclictest8524-21aten_r7power_vo11:00:190
118309915546,14cyclictest10150irq/55-4a10000009:05:450
118309915545,13cyclictest10150irq/55-4a10000007:46:480
118309915545,100cyclictest22646-21ntp_kernel_pll_09:51:220
118309915544,13cyclictest10150irq/55-4a10000010:00:530
118309915543,100cyclictest16631-21runrttasks07:27:060
118309915541,16cyclictest10250irq/56-4a10000012:28:550
118309915541,103cyclictest26843-21runrttasks12:06:250
11830991549,18cyclictest29235-21nodejs12:16:200
118309915444,99cyclictest30997-21mailstats12:21:460
118309915439,17cyclictest30305-21runrttasks10:20:400
118309915429,13cyclictest8950irq/40-mmc111:52:340
118309915350,82cyclictest10150irq/55-4a10000010:41:150
118309915345,13cyclictest10150irq/55-4a10000008:06:520
118309915342,98cyclictest17163-21runrttasks07:30:160
118309915310,18cyclictest2981-21nodejs10:40:020
118309915253,89cyclictest23955-21seq11:55:310
118309915244,20cyclictest7305-21df10:55:280
118309915147,93cyclictest21255-21cut11:45:280
118309915144,13cyclictest10150irq/55-4a10000009:55:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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