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2023-05-31 - 03:22

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 highest latencies:
System rackeslot5.osadl.org (updated Tue May 30, 2023 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
770799310,30cyclictest754-21runrttasks10:08:373
770799310,1cyclictest558-21irqbalance10:39:493
770599310,30cyclictest16908-21systemd-journal08:40:001
770599310,2cyclictest8215-21ntpq12:30:271
770099310,2cyclictest29052-21apt-config12:20:020
770799300,30cyclictest31759-21diskmemload11:53:393
770799300,29cyclictest31759-21diskmemload12:35:223
770799300,29cyclictest31759-21diskmemload11:35:243
770799300,29cyclictest31759-21diskmemload11:02:073
770799300,29cyclictest31759-21diskmemload09:31:473
770799300,29cyclictest31759-21diskmemload09:26:063
770799300,29cyclictest0-21swapper/310:44:083
770799300,1cyclictest31759-21diskmemload12:17:493
770799300,1cyclictest31759-21diskmemload11:45:353
770799300,1cyclictest31759-21diskmemload09:17:003
7706993028,1cyclictest24177-21if_eno110:05:182
770699300,29cyclictest31759-21diskmemload12:20:012
770699300,29cyclictest31759-21diskmemload09:40:152
770699300,29cyclictest0-21swapper/210:01:182
770699300,1cyclictest31759-21diskmemload12:06:062
7705993028,1cyclictest0-21swapper/111:30:241
7705993028,1cyclictest0-21swapper/110:45:191
7705993028,1cyclictest0-21swapper/110:30:331
7705993028,1cyclictest0-21swapper/109:25:351
770599300,29cyclictest6674-21ssh09:15:351
770599300,29cyclictest31759-21diskmemload11:41:561
770599300,29cyclictest31759-21diskmemload10:15:481
770599300,29cyclictest18454-21apt-get10:00:161
770599300,29cyclictest0-21swapper/112:05:191
770599300,1cyclictest8576-21cstates09:50:161
770599300,1cyclictest0-21swapper/112:12:271
770599300,1cyclictest0-21swapper/109:10:281
770099300,29cyclictest9985-21perf07:15:000
770099300,29cyclictest31759-21diskmemload11:25:580
770099300,29cyclictest31759-21diskmemload11:25:580
770099300,29cyclictest31759-21diskmemload11:15:050
770099300,29cyclictest31759-21diskmemload10:15:340
770099300,29cyclictest31759-21diskmemload09:36:220
770099300,29cyclictest0-21swapper/011:46:450
770099300,29cyclictest0-21swapper/010:25:200
770099300,1cyclictest4763-21ntp_states10:50:240
770099300,1cyclictest31759-21diskmemload11:23:580
7707992928,1cyclictest31759-21diskmemload11:25:113
7707992928,1cyclictest31759-21diskmemload11:25:113
7707992928,0cyclictest0-21swapper/311:55:323
7707992927,2cyclictest29295-21/usr/sbin/munin11:15:223
7707992926,2cyclictest31759-21diskmemload10:15:193
770799290,29cyclictest31759-21diskmemload12:25:193
770799290,29cyclictest31759-21diskmemload11:05:133
770799290,29cyclictest31759-21diskmemload09:48:503
770799290,29cyclictest0-21swapper/312:10:083
770799290,29cyclictest0-21swapper/311:32:133
770799290,29cyclictest0-21swapper/311:21:033
770799290,29cyclictest0-21swapper/311:10:153
770799290,29cyclictest0-21swapper/310:56:173
770799290,29cyclictest0-21swapper/310:25:203
770799290,29cyclictest0-21swapper/309:41:123
770799290,28cyclictest31759-21diskmemload09:20:053
770799290,1cyclictest0-21swapper/309:50:163
770799290,0cyclictest31759-21diskmemload12:31:073
770799290,0cyclictest31759-21diskmemload12:08:373
770799290,0cyclictest31759-21diskmemload12:02:163
770799290,0cyclictest31759-21diskmemload10:46:583
770799290,0cyclictest31759-21diskmemload10:20:373
770799290,0cyclictest31759-21diskmemload09:55:143
770799290,0cyclictest31759-21diskmemload09:35:263
770799290,0cyclictest0-21swapper/312:21:113
770799290,0cyclictest0-21swapper/311:40:183
770799290,0cyclictest0-21swapper/310:51:103
770799290,0cyclictest0-21swapper/310:12:243
7706992929,0cyclictest31759-21diskmemload11:20:532
7706992929,0cyclictest0-21swapper/210:51:502
7706992929,0cyclictest0-21swapper/209:55:402
7706992928,1cyclictest0-21swapper/208:15:182
7706992927,1cyclictest561-21dbus-daemon07:40:012
770699290,29cyclictest31759-21diskmemload12:35:462
770699290,29cyclictest31759-21diskmemload12:25:462
770699290,29cyclictest31759-21diskmemload10:42:092
770699290,29cyclictest31759-21diskmemload10:35:502
770699290,29cyclictest31759-21diskmemload10:21:182
770699290,29cyclictest31759-21diskmemload09:45:572
770699290,29cyclictest31759-21diskmemload09:30:132
770699290,29cyclictest0-21swapper/212:20:082
770699290,29cyclictest0-21swapper/211:55:592
770699290,29cyclictest0-21swapper/211:51:512
770699290,29cyclictest0-21swapper/211:44:502
770699290,29cyclictest0-21swapper/211:30:242
770699290,29cyclictest0-21swapper/211:15:582
770699290,29cyclictest0-21swapper/211:12:062
770699290,29cyclictest0-21swapper/211:05:272
770699290,29cyclictest0-21swapper/210:27:502
770699290,29cyclictest0-21swapper/209:36:372
770699290,29cyclictest0-21swapper/209:25:242
770699290,29cyclictest0-21swapper/209:10:482
770699290,28cyclictest0-21swapper/207:10:242
770699290,0cyclictest31759-21diskmemload11:47:582
770699290,0cyclictest31759-21diskmemload11:36:122
770699290,0cyclictest31759-21diskmemload11:26:172
770699290,0cyclictest31759-21diskmemload11:26:172
770699290,0cyclictest31759-21diskmemload09:20:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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