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2023-01-28 - 01:07

x86 Intel Core i3-8145UE @2200 MHz, Linux 5.10.27-rt36 (Profile)

Latency plot of system in rack #e, slot #5
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
Compare latency of primary with shadow system
Characteristics of the 100, Linux 4.9.20-rt16, x86_64 highest latencies:
System rackeslot5.osadl.org (updated Fri Jan 27, 2023 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6410993228,2cyclictest0-21swapper/210:16:512
6413993128,2cyclictest19814-21gltestperf09:30:173
641399310,30cyclictest5265-21cron10:20:013
641399310,30cyclictest13349-21cron07:25:013
641399310,2cyclictest26210-21cron10:40:003
641099310,30cyclictest6545-21cron11:55:012
640699310,30cyclictest30576-21diskmemload11:20:491
640699310,2cyclictest18552-21ntp_states12:05:261
640299310,30cyclictest30268-21chrt10:11:260
641399300,29cyclictest307-21systemd-journal12:40:013
641399300,29cyclictest30576-21diskmemload11:52:133
641399300,1cyclictest564-21rs:main3
641399300,1cyclictest30576-21diskmemload12:27:413
641399300,1cyclictest30576-21diskmemload10:43:433
641399300,1cyclictest30576-21diskmemload09:35:193
6410993028,1cyclictest10215-21df_inode10:55:182
6410993028,1cyclictest0-21swapper/212:15:232
6410993028,1cyclictest0-21swapper/209:55:212
6410993028,0cyclictest0-21swapper/212:14:422
6410993028,0cyclictest0-21swapper/211:58:092
641099300,29cyclictest584-21gdbus07:50:012
641099300,29cyclictest30576-21diskmemload12:25:042
641099300,29cyclictest30576-21diskmemload12:01:532
641099300,29cyclictest30576-21diskmemload11:40:462
641099300,29cyclictest0-21swapper/212:21:412
641099300,29cyclictest0-21swapper/210:27:122
641099300,29cyclictest0-21swapper/209:41:452
641099300,1cyclictest30576-21diskmemload10:00:242
641099300,1cyclictest30576-21diskmemload09:36:082
641099300,1cyclictest12595-21turbostat.cron11:30:012
641099300,1cyclictest0-21swapper/212:05:192
6406993027,2cyclictest32525-21cron10:15:011
640699300,30cyclictest30576-21diskmemload11:08:201
640699300,29cyclictest561-21dbus-daemon09:45:001
640699300,29cyclictest0-21swapper/111:45:121
640699300,29cyclictest0-21swapper/109:47:191
640699300,1cyclictest30576-21diskmemload11:36:161
640699300,1cyclictest30576-21diskmemload11:15:011
640699300,1cyclictest30576-21diskmemload10:27:401
640699300,1cyclictest21298-21munin-run08:50:011
640699300,1cyclictest20977-21cron10:35:001
6402993030,0cyclictest58550irq/126-eno110:59:530
6402993029,1cyclictest30576-21diskmemload10:47:120
640299300,30cyclictest0-21swapper/009:48:060
640299300,29cyclictest30576-21diskmemload11:19:060
640299300,29cyclictest30576-21diskmemload11:06:060
640299300,29cyclictest30576-21diskmemload10:51:040
640299300,29cyclictest30576-21diskmemload10:41:160
640299300,29cyclictest0-21swapper/012:31:110
640299300,29cyclictest0-21swapper/011:00:060
640299300,29cyclictest0-21swapper/010:30:140
640299300,1cyclictest30576-21diskmemload09:50:330
640299300,1cyclictest19047-21if_err_eno111:35:170
640299300,1cyclictest0-21swapper/010:23:210
640299300,0cyclictest0-21swapper/009:29:090
6413992928,1cyclictest30115-21apt-get11:15:133
6413992928,1cyclictest27863-21apt-get10:10:153
6413992928,1cyclictest22501-21apt-get12:10:133
6413992928,1cyclictest0-21swapper/311:39:563
641399290,29cyclictest30576-21diskmemload12:22:573
641399290,29cyclictest30576-21diskmemload12:15:133
641399290,29cyclictest30576-21diskmemload11:55:113
641399290,29cyclictest30576-21diskmemload11:40:303
641399290,29cyclictest30576-21diskmemload10:28:113
641399290,29cyclictest0-21swapper/312:08:573
641399290,29cyclictest0-21swapper/311:26:243
641399290,29cyclictest0-21swapper/310:57:393
641399290,29cyclictest0-21swapper/310:47:353
641399290,29cyclictest0-21swapper/310:22:143
641399290,29cyclictest0-21swapper/310:03:013
641399290,29cyclictest0-21swapper/309:21:073
641399290,28cyclictest30576-21diskmemload09:45:303
641399290,28cyclictest0-21swapper/307:20:003
641399290,1cyclictest30576-21diskmemload10:34:373
641399290,0cyclictest30576-21diskmemload11:45:293
641399290,0cyclictest30576-21diskmemload10:50:213
641399290,0cyclictest30576-21diskmemload10:07:163
641399290,0cyclictest30576-21diskmemload09:56:503
641399290,0cyclictest30576-21diskmemload09:19:263
641399290,0cyclictest0-21swapper/312:30:113
641399290,0cyclictest0-21swapper/312:01:013
641399290,0cyclictest0-21swapper/311:21:283
641399290,0cyclictest0-21swapper/311:08:043
641399290,0cyclictest0-21swapper/311:02:523
641399290,0cyclictest0-21swapper/309:50:103
641399290,0cyclictest0-21swapper/309:10:213
641399290,0cyclictest0-21swapper/308:50:153
6410992929,0cyclictest0-21swapper/210:05:142
6410992929,0cyclictest0-21swapper/209:21:252
641099290,29cyclictest30576-21diskmemload11:15:442
641099290,29cyclictest30576-21diskmemload09:51:152
641099290,29cyclictest0-21swapper/211:46:162
641099290,29cyclictest0-21swapper/211:31:482
641099290,29cyclictest0-21swapper/211:20:132
641099290,29cyclictest0-21swapper/211:05:232
641099290,29cyclictest0-21swapper/210:51:362
641099290,29cyclictest0-21swapper/210:36:102
641099290,29cyclictest0-21swapper/210:31:422
641099290,29cyclictest0-21swapper/210:20:142
641099290,29cyclictest0-21swapper/210:12:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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