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2019-07-23 - 09:02

Intel(R) Xeon(TM) CPU @ 2.00GHz, Linux 2.6.33.7.2-rt30-32 (Profile)

Latency plot of system in rack #b, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
The worst-case latency is about 1.10 times higher under extreme CPU load.
Results of all systems under extreme CPU load are combined on this summary graph.
Characteristics of the highest latencies:
System rackbslot5.osadl.org (updated Tue Jul 23, 2019 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7650460irq/16-uhci_hcd420279ShbNDf690894021:09:411
7650400irq/16-uhci_hcd420279ShbNDf690894023:14:291
7650330irq/16-uhci_hcd420279ShbNDf690894020:39:461
7650330irq/16-uhci_hcd420279ShbNDf690894019:54:501
7650330irq/16-uhci_hcd420279ShbNDf690894019:49:491
7650330irq/16-uhci_hcd420279ShbNDf690894019:29:541
7650320irq/16-uhci_hcd420279ShbNDf690894023:04:271
7650320irq/16-uhci_hcd420279ShbNDf690894022:34:321
7650320irq/16-uhci_hcd420279ShbNDf690894021:54:371
7650320irq/16-uhci_hcd420279ShbNDf690894020:29:461
1799300migration/18112-21munin-node21:24:331
1799300migration/126869-21munin-node20:49:351
1799300migration/11388-21taskset21:07:241
1799290migration/14861-21sendmail_mailst21:14:401
1799290migration/1376-21sshd23:49:561
1799290migration/1365-21munin-node19:39:521
1799290migration/127201-21taskset23:36:561
1799290migration/122380-21taskset20:39:181
1799290migration/12132-21sendmail_mailtr23:54:201
1799290migration/118461-21runrttasks21:49:371
1799290migration/116275-21cpu18:59:451
1799290migration/115780-21taskset18:57:021
1799290migration/113288-21ntp_offset18:49:561
1799290migration/112022-21aten_rbpower_en22:59:181
1799290migration/110402-21munin-node21:29:371
7650280irq/16-uhci_hcd420279ShbNDf690894020:09:481
1799280migration/17043-21aten_rbpower_po19:59:391
1799280migration/125334-21taskset19:20:331
1799280migration/122654-21runrttasks22:01:001
1799280migration/113321-21munin-node20:14:391
1799270migration/17896-21runrttasks22:47:531
1799270migration/130818-21munin-node20:59:351
1799270migration/124445-21munin-node22:04:371
1799270migration/120759-21munin-node23:19:221
1799270migration/117614-21runrttasks23:13:081
1799270migration/116323-21runrttasks20:21:431
12160992618cyclictest0-21swapper22:14:000
12160992615cyclictest180579lldpd23:47:540
12160992615cyclictest180579lldpd19:11:480
12160992615cyclictest180579lldpd00:11:520
12160992522cyclictest0-21swapper21:17:310
12160992520cyclictest0-21swapper23:57:540
12160992519cyclictest7650irq/16-uhci_hcd20:57:520
12160992516cyclictest1281sirq-hrtimer/018:58:370
420480240irq/16-epl420279ShbNDf690894023:33:091
420480240irq/16-epl420279ShbNDf690894022:43:431
420480240irq/16-epl420279ShbNDf690894021:43:171
420480240irq/16-epl420279ShbNDf690894019:39:291
420480240irq/16-epl420279ShbNDf690894000:18:341
12160992421cyclictest0-21swapper23:13:490
12160992421cyclictest0-21swapper21:08:330
12160992421cyclictest0-21swapper20:33:580
12160992421cyclictest0-21swapper19:37:060
12160992414cyclictest1281sirq-hrtimer/022:38:220
12160992414cyclictest1281sirq-hrtimer/020:19:400
12160992414cyclictest1281sirq-hrtimer/020:18:210
12160992414cyclictest1281sirq-hrtimer/020:13:210
12160992413cyclictest180579lldpd22:56:580
12160992413cyclictest180579lldpd20:36:110
12160992411cyclictest0-21swapper23:15:250
420480230irq/16-epl420279ShbNDf690894023:40:381
420480230irq/16-epl420279ShbNDf690894022:56:541
420480230irq/16-epl420279ShbNDf690894022:51:141
420480230irq/16-epl420279ShbNDf690894022:31:111
420480230irq/16-epl420279ShbNDf690894022:26:261
420480230irq/16-epl420279ShbNDf690894022:19:571
420480230irq/16-epl420279ShbNDf690894021:35:241
420480230irq/16-epl420279ShbNDf690894021:22:041
420480230irq/16-epl420279ShbNDf690894020:56:471
420480230irq/16-epl420279ShbNDf690894020:05:031
420480230irq/16-epl420279ShbNDf690894019:46:251
420480230irq/16-epl420279ShbNDf690894019:28:021
420480230irq/16-epl420279ShbNDf690894019:18:081
420480230irq/16-epl420279ShbNDf690894019:13:091
420480230irq/16-epl420279ShbNDf690894019:05:491
420480230irq/16-epl420279ShbNDf690894000:09:361
399230migration/011731-21taskset18:45:230
1216099239cyclictest0-21swapper23:00:490
12160992317cyclictest0-21swapper23:22:190
12160992314cyclictest1281sirq-hrtimer/021:03:130
12160992313cyclictest1281sirq-hrtimer/019:19:440
12160992312cyclictest180579lldpd21:25:080
420480220irq/16-epl420279ShbNDf690894020:45:171
420480220irq/16-epl420279ShbNDf690894000:00:411
1216099229cyclictest0-21swapper22:15:530
1216099228cyclictest0-21swapper23:29:280
1216099228cyclictest0-21swapper21:45:160
1216099228cyclictest0-21swapper19:33:300
12160992219cyclictest0-21swapper20:54:050
12160992219cyclictest0-21swapper20:08:140
12160992219cyclictest0-21swapper19:50:220
12160992218cyclictest24079-21munin-node22:04:310
12160992217cyclictest1281sirq-hrtimer/022:30:170
12160992213cyclictest1281sirq-hrtimer/023:24:190
12160992213cyclictest1281sirq-hrtimer/000:18:310
12160992212cyclictest0-21swapper19:44:540
12160992212cyclictest0-21swapper00:04:150
12160992211cyclictest180579lldpd19:03:490
12160992211cyclictest0-21swapper23:49:190
12160992211cyclictest0-21swapper21:38:160
420480210irq/16-epl420279ShbNDf690894023:45:271
420480210irq/16-epl420279ShbNDf690894000:07:251
420480210irq/16-epl266262chrt22:12:021
420480210irq/16-epl0-21swapper22:14:231
420480210irq/16-epl0-21swapper20:24:441
1799210migration/122757-21munin-node23:24:231
1216099219cyclictest0-21swapper22:39:520
1216099219cyclictest0-21swapper22:20:110
1216099219cyclictest0-21swapper21:42:530
1216099219cyclictest0-21swapper21:29:450
1216099219cyclictest0-21swapper21:20:330
1216099219cyclictest0-21swapper20:44:480
1216099219cyclictest0-21swapper20:27:160
1216099219cyclictest0-21swapper00:01:550
12160992118cyclictest0-21swapper19:25:310
12160992117cyclictest5042-21munin-node19:54:400
12160992117cyclictest31882-21munin-node22:24:290
12160992117cyclictest22118-21diskstats19:14:450
12160992117cyclictest21308-21df_inode21:59:270
12160992117cyclictest180579lldpd23:39:250
12160992117cyclictest13161-21memory18:49:540
12160992116cyclictest1281sirq-hrtimer/021:09:390
12160992115cyclictest1281sirq-hrtimer/021:53:180
12160992115cyclictest1281sirq-hrtimer/020:39:430
12160992115cyclictest1281sirq-hrtimer/019:59:460
12160992115cyclictest1281sirq-hrtimer/019:04:510
12160992113cyclictest26745-21munin-node23:34:220
12160992112cyclictest32659-21ntp_states19:39:480
12160992110cyclictest13920-21munin-node23:04:190
420480200irq/16-epl15802-21fw_packets21:44:291
12160992016cyclictest19677-21munin-node21:54:280
12160992014cyclictest1281sirq-hrtimer/022:49:180
12160992014cyclictest1281sirq-hrtimer/022:44:210
2781180sirq-hrtimer/10-21swapper18:48:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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