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2023-02-09 - 03:21

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

Latency plot of system in rack #0, slot #1
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot1.osadl.org (updated Thu Feb 09, 2023 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
640021430,1sleep26369-21sshd20:29:202
3166721260,0sleep60-21swapper/619:49:266
2109921060,1sleep06911-21perl20:00:260
1543021050,0sleep60-21swapper/622:55:126
105272810,0sleep60-21swapper/619:55:196
177752780,0sleep70-21swapper/721:33:267
20106997571,2cyclictest61-21ksoftirqd/523:47:485
20106997571,2cyclictest61-21ksoftirqd/523:47:485
41862700,0sleep60-21swapper/618:58:236
41862700,0sleep60-21swapper/618:58:236
20104996965,2cyclictest52-21ksoftirqd/400:17:384
187222690,0sleep10-21swapper/123:34:171
13382690,0sleep30-21swapper/323:38:363
20104996865,2cyclictest52-21ksoftirqd/400:07:254
113892660,1sleep34034-21perl21:44:593
55482640,1sleep026467-21perl00:00:280
226722640,1sleep123-21rcuc/123:55:161
20106996260,1cyclictest59-21rcuc/500:17:385
20106996158,2cyclictest61-21ksoftirqd/500:07:255
238862600,0sleep60-21swapper/600:17:406
20106996057,1cyclictest61-21ksoftirqd/523:28:095
20100995956,2cyclictest9-21ksoftirqd/000:07:250
20104995855,2cyclictest28561-21check_snmp23:47:484
20104995855,2cyclictest28561-21check_snmp23:47:484
20101995855,2cyclictest25-21ksoftirqd/100:17:381
20101995755,1cyclictest25-21ksoftirqd/123:28:091
20104995651,4cyclictest52-21ksoftirqd/423:28:094
11432560,0sleep60-21swapper/623:02:256
11432560,0sleep60-21swapper/623:02:256
20104995553,1cyclictest52-21ksoftirqd/418:54:244
128492550,3sleep42108850irq/27-eth1-tx-20:15:044
20121995451,2cyclictest79-21ksoftirqd/700:17:387
20121995451,1cyclictest79-21ksoftirqd/723:47:487
20121995451,1cyclictest79-21ksoftirqd/723:47:487
20101995350,2cyclictest25-21ksoftirqd/123:47:481
20101995350,2cyclictest25-21ksoftirqd/123:47:481
20100995349,3cyclictest23352-21bash00:17:380
20106995250,1cyclictest61-21ksoftirqd/523:42:565
20104995249,2cyclictest52-21ksoftirqd/423:42:564
20103995148,2cyclictest43-21ksoftirqd/323:47:483
20103995148,2cyclictest43-21ksoftirqd/323:47:483
20121995048,1cyclictest32493-21check_snmp23:28:097
20115994946,2cyclictest70-21ksoftirqd/623:47:486
20115994946,2cyclictest70-21ksoftirqd/623:47:486
20100994947,1cyclictest9-21ksoftirqd/023:28:090
156742490,0sleep10-21swapper/121:45:541
20115994846,1cyclictest70-21ksoftirqd/623:28:096
20103994846,1cyclictest43-21ksoftirqd/300:17:383
20100994845,2cyclictest9-21ksoftirqd/023:47:480
20100994845,2cyclictest9-21ksoftirqd/023:47:480
20100994745,1cyclictest9-21ksoftirqd/023:42:570
20102994644,1cyclictest34-21ksoftirqd/223:47:482
20102994644,1cyclictest34-21ksoftirqd/223:47:482
20103994542,2cyclictest32471-21check_snmp23:28:093
20121994441,2cyclictest79-21ksoftirqd/700:07:257
20102994340,2cyclictest34-21ksoftirqd/223:28:092
20101994239,2cyclictest25-21ksoftirqd/100:07:251
20103994138,2cyclictest43-21ksoftirqd/300:07:253
20115994037,2cyclictest70-21ksoftirqd/623:42:576
20102994036,2cyclictest34-21ksoftirqd/223:42:562
20101994038,1cyclictest25-21ksoftirqd/123:42:571
195942380,0sleep30-21swapper/320:52:363
20103993735,1cyclictest43-21ksoftirqd/323:42:573
20102993735,1cyclictest34-21ksoftirqd/200:17:382
20121993128,2cyclictest14731-21check_snmp23:42:567
20104993129,1cyclictest52-21ksoftirqd/419:39:234
84922300,1sleep5601ktimersoftd/523:50:235
20115993027,2cyclictest70-21ksoftirqd/619:15:216
20104993028,1cyclictest52-21ksoftirqd/419:15:214
93412290,0sleep30-21swapper/320:48:203
20106992826,1cyclictest3538-21check_snmp19:15:215
20106992826,1cyclictest12782-21check_snmp19:39:235
20101992826,1cyclictest25-21ksoftirqd/119:30:211
20100992826,1cyclictest9-21ksoftirqd/019:15:210
20100992826,1cyclictest28841-21check_snmp18:54:240
20106992711,2cyclictest28311-21perl19:45:035
20100992725,1cyclictest9-21ksoftirqd/019:30:210
20100992712,1cyclictest28328-21perl19:45:030
20102992618,7cyclictest26330-21perl19:45:342
20106992523,1cyclictest61-21ksoftirqd/522:41:335
20106992523,1cyclictest61-21ksoftirqd/518:54:245
20104992522,1cyclictest52-21ksoftirqd/419:30:214
20104992511,13cyclictest52-21ksoftirqd/421:10:194
2010299251,15cyclictest19873-21perl20:46:022
20101992523,1cyclictest25-21ksoftirqd/118:54:241
20115992421,2cyclictest70-21ksoftirqd/600:07:256
20104992422,1cyclictest52-21ksoftirqd/420:46:204
20102992416,7cyclictest13506-21perl21:45:212
20100992422,1cyclictest9-21ksoftirqd/020:24:200
165852240,1sleep40-21swapper/422:14:254
288592230,1sleep7781ktimersoftd/722:33:187
288592230,1sleep7781ktimersoftd/722:33:187
20115992320,2cyclictest70-21ksoftirqd/618:54:246
20106992321,1cyclictest61-21ksoftirqd/520:46:055
20104992321,1cyclictest52-21ksoftirqd/400:03:084
20104992319,2cyclictest52-21ksoftirqd/422:06:204
20102992314,2cyclictest26781-21perl22:45:392
20102992314,2cyclictest26781-21perl22:45:392
20102992313,2cyclictest27288-21perl20:00:282
2010299231,2cyclictest5541-21perl00:00:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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