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2023-06-03 - 07:18

x86 Intel Xeon-E31220L @2200 MHz, Linux 4.9.47-rt37 (Profile)

Latency plot of system in rack #5, slot #0
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 rack5slot0.osadl.org (updated Sat Jun 03, 2023 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
852021510,1sleep28516-21cp00:17:232
3046621270,3sleep12609399cyclictest22:24:171
1287021220,0sleep30-21swapper/323:53:003
3258221210,0sleep00-21swapper/023:16:380
848721130,2sleep22121-21runrttasks23:55:552
25666210133,46sleep10-21swapper/119:07:391
78192970,2sleep10-21swapper/100:17:181
10462940,1sleep30-21swapper/322:45:263
35542930,1sleep00-21swapper/019:30:180
256002910,2sleep225597-21bash22:06:192
2577429032,46sleep30-21swapper/319:09:023
323052870,2sleep30-21swapper/323:27:113
279382870,1sleep327932-21sshd23:30:153
108292870,3sleep10-21swapper/123:07:211
108292870,3sleep10-21swapper/123:07:211
243632840,2sleep11875-21nfsd22:16:361
112912830,1sleep30-21swapper/300:39:293
84202810,2sleep08421-21sshd22:28:530
189342810,2sleep30-21swapper/322:26:273
263232800,1sleep30-21swapper/300:26:343
194712790,1sleep20-21swapper/221:58:492
116512790,1sleep011648-21bash23:56:170
142672780,2sleep314257-21sshd23:21:423
97162770,1sleep09700-21sshd23:49:120
273602770,1sleep10-21swapper/121:38:561
199332760,0sleep00-21swapper/023:04:560
199332760,0sleep00-21swapper/023:04:550
38492750,3sleep30-21swapper/321:12:093
229412740,1sleep30-21swapper/300:04:463
261272720,3sleep30-21swapper/323:12:283
173812720,1sleep10-21swapper/122:47:131
251912690,3sleep125187-21bash23:15:471
2580826726,12sleep20-21swapper/219:09:292
301012630,1sleep00-21swapper/021:18:280
2558624234,4sleep00-21swapper/019:06:380
252782370,0sleep125277-21sshd22:51:341
63512350,2sleep26348-21sshd00:20:402
65442340,32sleep128750irq/26-ahci[00022:04:211
188842330,0sleep00-21swapper/022:30:010
56682320,3sleep20-21swapper/221:15:442
2608799321,2cyclictest0-21swapper/022:23:160
2608799320,2cyclictest0-21swapper/021:54:540
256322320,30sleep328750irq/26-ahci[00022:55:103
256322320,30sleep328750irq/26-ahci[00022:55:103
26096993125,5cyclictest1943-21snmpd23:21:582
2608799310,2cyclictest9898-21sshd00:17:320
2608799310,2cyclictest11080-21bash21:33:430
2608799310,2cyclictest0-21swapper/000:28:500
2608799310,1cyclictest2296-21taskset22:14:180
51372300,0sleep00-21swapper/023:52:090
2608799303,26cyclictest0-21swapper/021:37:260
2608799303,25cyclictest0-21swapper/021:45:460
2608799301,2cyclictest0-21swapper/000:36:100
2608799300,2cyclictest3524-21sshd22:38:480
2608799300,2cyclictest26122-21timerwakeupswit23:05:290
2608799300,2cyclictest26122-21timerwakeupswit23:05:290
2608799300,2cyclictest1987-21sshd22:45:310
2608799300,2cyclictest17487-21sshd23:22:030
2608799300,2cyclictest0-21swapper/022:06:310
2608799300,15cyclictest20158-21sshd22:50:580
2608799300,14cyclictest22666-21cp00:01:010
2608799300,11cyclictest0-21swapper/021:55:040
26096992923,5cyclictest1943-21snmpd21:14:562
2608799297,21cyclictest6597-21bash00:06:260
2608799296,22cyclictest24467-21sshd21:10:510
2608799291,2cyclictest0-21swapper/022:02:270
2608799291,13cyclictest0-21swapper/023:36:030
2608799290,2cyclictest7663-21sshd23:14:000
2608799290,2cyclictest26548-21sshd23:40:270
2608799290,2cyclictest19607-21id00:11:260
2608799290,2cyclictest18344-21sshd22:40:220
2608799290,2cyclictest0-21swapper/022:18:040
2608799290,2cyclictest0-21swapper/021:26:540
2608799290,1cyclictest14667-21bash23:32:150
2608799290,1cyclictest0-21swapper/021:23:480
2608799290,10cyclictest0-21swapper/021:44:160
313872280,2sleep30-21swapper/323:58:293
26096992824,3cyclictest1805-40kipmi021:40:292
26096992822,5cyclictest1955-21snmpd21:33:572
2608799282,9cyclictest0-21swapper/000:33:430
2608799281,1cyclictest0-21swapper/022:57:210
2608799281,1cyclictest0-21swapper/022:57:210
2608799281,10cyclictest0-21swapper/019:54:590
2608799280,1cyclictest22240-21sshd00:22:310
12332280,25sleep3138550irq/27-eth023:44:513
26096992722,4cyclictest1805-40kipmi022:35:232
239522270,1sleep223949-21sshd23:01:492
239522270,1sleep223949-21sshd23:01:492
282332260,2sleep328231-21sshd22:03:113
2610299260,22cyclictest25874-21sshd21:24:573
26096992623,0cyclictest1805-40kipmi023:30:222
26096992622,1cyclictest21867-21sshd23:40:022
2608799260,20cyclictest0-21swapper/023:25:060
245992260,23sleep1138550irq/27-eth021:52:281
26096992522,2cyclictest2269-21bash23:27:262
26096992521,3cyclictest14112-21bash00:39:492
26096992520,3cyclictest6759-21sshd21:22:522
2608799257,8cyclictest147450irq/28-eth1-rx-21:03:590
26096992422,1cyclictest1805-40kipmi021:25:232
26096992421,0cyclictest1805-40kipmi023:05:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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