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2023-03-22 - 03:18

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 Wed Mar 22, 2023 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1939121410,3sleep21685899cyclictest21:22:512
1209421380,4sleep11877-21nfsd00:20:201
2987721240,3sleep01685699cyclictest23:04:280
1352721190,2sleep213522-21bash22:54:002
16613210633,69sleep10-21swapper/119:09:131
16647210333,40sleep30-21swapper/319:09:393
214862870,4sleep10-21swapper/123:06:381
300542850,4sleep20-21swapper/223:53:362
242712850,3sleep124270-21bash22:10:271
118042840,0sleep011694-21sshd23:23:400
226572830,0sleep022618-21sshd23:37:060
266432810,1sleep31877-21nfsd22:25:313
168202810,2sleep10-21swapper/121:46:051
324862790,3sleep30-21swapper/322:55:383
262292790,2sleep01685699cyclictest00:31:060
87722770,3sleep01685699cyclictest22:53:340
181442770,3sleep30-21swapper/322:12:533
298562760,4sleep31685999cyclictest00:09:283
322482750,1sleep21685899cyclictest22:58:412
102372750,4sleep11685799cyclictest22:21:001
101032750,0sleep31685999cyclictest23:42:113
28052740,1sleep22798-21sshd23:32:042
269012740,2sleep10-21swapper/123:40:361
135692710,2sleep30-21swapper/300:17:173
193492700,2sleep119334-21sshd22:36:441
1635627033,10sleep20-21swapper/219:06:002
73682680,3sleep21685899cyclictest00:16:402
311382680,3sleep21685899cyclictest22:05:152
302482670,3sleep21685899cyclictest00:22:012
123912620,2sleep11877-21nfsd00:26:371
265212590,57sleep228750irq/26-ahci[00000:37:292
1641225733,13sleep00-21swapper/019:06:390
77722500,0sleep07774-21sshd22:00:080
205022490,1sleep220504-21bash22:30:512
271702430,1sleep10-21swapper/122:55:161
294952380,3sleep30-21swapper/300:37:453
104552350,1sleep00-21swapper/000:20:110
1685999334,19cyclictest7572-21sshd23:38:503
1685999332,29cyclictest1229-21sshd21:15:193
300142320,3sleep330009-21sshd22:43:393
89102310,2sleep20-21swapper/222:23:552
267452300,28sleep1138550irq/27-eth021:38:141
1685999304,23cyclictest4905-21sshd22:35:233
1685999304,23cyclictest30197-21sshd23:22:203
1685999282,8cyclictest22607-21sshd23:34:003
16856992822,5cyclictest26188-21sshd00:09:050
149372281,25sleep3138550irq/27-eth022:03:453
60282270,25sleep2138550irq/27-eth023:29:202
283422270,2sleep00-21swapper/020:45:210
1685999274,8cyclictest28436-21sshd00:34:313
146102270,3sleep30-21swapper/300:20:303
49552260,5sleep31685999cyclictest23:14:053
296052260,0sleep00-21swapper/023:10:220
29482260,2sleep20-21swapper/223:44:422
1685999260,24cyclictest20090-21sshd21:37:373
6762250,1sleep20-21swapper/223:47:352
1685999256,16cyclictest21226-21perf19:19:593
1685999254,5cyclictest0-21swapper/323:55:023
96092240,3sleep11685799cyclictest23:14:311
78322240,2sleep20-21swapper/221:13:012
65682240,2sleep11877-21nfsd23:20:121
1685999245,7cyclictest1089-21sshd22:46:533
1685999244,18cyclictest912-21bash00:28:423
1685999243,6cyclictest138550irq/27-eth022:54:063
1685999240,3cyclictest12206-21sshd22:09:273
132282240,1sleep041ktimersoftd/022:12:260
86142230,5sleep10-21swapper/121:24:501
76412230,3sleep21685899cyclictest23:11:202
293192230,2sleep129303-21sshd21:17:531
254622230,21sleep2138550irq/27-eth021:55:452
1685999237,7cyclictest19376-21sshd21:58:123
1685999236,11cyclictest13291-21sshd23:26:533
1685999235,6cyclictest2909-21rm23:47:473
1685999234,6cyclictest138550irq/27-eth021:24:473
1685999233,9cyclictest7768-21sshd21:51:113
16859992319,1cyclictest44-21ksoftirqd/321:27:423
1685999228,12cyclictest13616-21sshd22:30:193
1685999225,9cyclictest13380-21sshd00:10:543
1685999223,8cyclictest19299-21sshd21:34:383
1685999223,8cyclictest19299-21sshd21:34:373
1685999223,7cyclictest4039-21id21:42:013
16859992216,4cyclictest6775-21bash21:10:033
16859992211,9cyclictest23319-21bash21:46:443
1685699223,15cyclictest16855-21cyclictest22:21:570
315912210,3sleep21685899cyclictest21:41:342
253432210,1sleep20-21swapper/200:27:542
1685999219,10cyclictest11131-21sshd00:01:153
1685999216,7cyclictest5926-21bash22:17:423
1685999215,9cyclictest23588-21consoletype23:06:503
1685999212,8cyclictest138550irq/27-eth023:51:533
1685999212,8cyclictest11902-21sshd22:21:103
1685999211,13cyclictest147450irq/28-eth1-rx-23:01:583
310432200,2sleep131038-21sshd23:31:381
22772200,2sleep20-21swapper/200:03:342
1685999205,7cyclictest32048-21cpuspeed_turbos20:55:143
1685999205,7cyclictest26283-21sshd23:15:593
16859992012,6cyclictest2087-21runrttasks19:47:133
16859992012,6cyclictest2087-21runrttasks19:47:133
16859992011,7cyclictest32406-21runrttasks19:44:323
1685899204,3cyclictest9132-21kworker/u8:121:46:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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