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2023-05-28 - 02:43

x86 Intel Xeon E3-1220L V2 @2300 MHz, Linux 4.18.7-rt5 (Profile)

Latency plot of system in rack #9, slot #0
Data to construct the above plot have been generated using the RT test utility cyclictest.
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 50 highest latencies:
System rack9slot0.osadl.org (updated Sun May 28, 2023 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1313321270,2sleep31213699cyclictest22:44:133
98932860,0sleep00-21swapper/021:03:540
294252750,1sleep31-21systemd21:27:423
267712740,0sleep00-21swapper/000:01:090
125622730,0sleep012560-21sshd21:14:000
115262720,2sleep01213399cyclictest21:21:300
231252710,0sleep31975-21nfsd21:24:493
158202710,1sleep20-21swapper/222:56:542
218812700,1sleep1251ktimersoftd/123:02:271
104102700,0sleep30-21swapper/323:42:003
68622690,0sleep30-21swapper/300:07:093
268782680,0sleep30-21swapper/321:52:273
268782680,0sleep30-21swapper/321:52:273
235282680,0sleep30-21swapper/323:55:433
290242670,1sleep3431ktimersoftd/323:38:203
189342670,0sleep00-21swapper/021:41:580
3752660,1sleep331184-21kworker/u8:021:57:563
173612660,0sleep10-21swapper/123:47:311
111192660,0sleep20-21swapper/222:49:012
283212640,0sleep328320-21systemd-cgroups22:12:353
321092630,1sleep30-21swapper/323:23:293
227762630,1sleep1251ktimersoftd/123:37:491
88002620,0sleep1241rcuc/123:11:321
279632620,0sleep10-21swapper/122:47:481
195332620,1sleep119532-21sshd23:19:581
301462610,0sleep20-21swapper/221:52:422
301462610,0sleep20-21swapper/221:52:422
302552600,0sleep3421rcuc/322:17:483
281582600,1sleep028157-21uname23:02:580
231122590,1sleep30-21swapper/300:18:433
136242590,1sleep0101ktimersoftd/021:51:320
136242590,1sleep0101ktimersoftd/021:51:320
109262590,1sleep210928-21kworker/u8:222:36:302
81482580,0sleep10-21swapper/123:57:011
1171725844,8sleep30-21swapper/318:59:393
224862560,1sleep11-21systemd23:10:041
312312520,1sleep11975-21nfsd21:32:491
205602510,0sleep0111rcu_preempt21:34:320
1171425137,8sleep00-21swapper/018:59:360
1161025125,8sleep10-21swapper/118:58:211
1156724935,8sleep20-21swapper/218:57:502
95462460,1sleep09552-21idleruntime-cro22:41:290
12136992923,1cyclictest44-21ksoftirqd/323:15:243
49342280,0sleep00-21swapper/023:01:130
12133992612,2cyclictest30047-21bash23:43:320
52762240,0sleep00-21swapper/022:51:070
1213599235,3cyclictest1-21systemd23:04:262
12135992314,1cyclictest19795-21grepconf.sh21:29:292
1213599230,4cyclictest32227-21rm22:25:402
12134992211,1cyclictest26-21ksoftirqd/122:45:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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