You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-06-01 - 12:14

x86 Intel Celeron G3900 @2800 MHz, Linux 6.1.12-rt7 (Profile)

Latency plot of system in rack #c, slot #5
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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackcslot5.osadl.org (updated Wed May 31, 2023 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
709299470,46cyclictest29072-21meminfo11:10:291
709299460,44cyclictest15689-21meminfo07:30:251
709299440,42cyclictest7636-21meminfo08:35:231
709299440,42cyclictest16928-21meminfo09:00:311
709299430,41cyclictest25168-21meminfo07:55:231
709199430,41cyclictest5964-21meminfo11:35:280
709199430,41cyclictest4108-21meminfo11:30:250
709299420,40cyclictest19798-21meminfo10:45:241
709299420,40cyclictest1197-21meminfo09:45:261
709299410,39cyclictest2096-21meminfo08:20:331
709199410,40cyclictest29901-21meminfo09:35:280
709299400,38cyclictest11993-21meminfo07:20:311
709199400,38cyclictest9504-21meminfo08:40:230
709199400,38cyclictest326-21meminfo11:20:260
709199400,38cyclictest21478-21meminfo07:45:280
709299380,37cyclictest28893-21meminfo08:05:261
709299380,37cyclictest28893-21meminfo08:05:251
709299380,36cyclictest27220-21meminfo11:05:271
709199380,37cyclictest30735-21meminfo08:10:230
709199380,37cyclictest23503-21meminfo10:55:270
709299370,35cyclictest3931-21meminfo08:25:231
709199370,35cyclictest13198-21meminfo08:50:220
709199360,34cyclictest11356-21meminfo08:45:260
709199350,34cyclictest4931-21meminfo09:55:240
709199350,33cyclictest26371-21meminfo12:30:240
709299340,33cyclictest13377-21meminfo11:55:201
709299340,32cyclictest27037-21meminfo08:00:231
709299340,32cyclictest20797-21meminfo12:15:191
709199340,32cyclictest17953-21meminfo10:40:270
709199340,32cyclictest13836-21meminfo07:25:250
709299330,32cyclictest11536-21meminfo11:50:261
709299330,31cyclictest10512-21meminfo10:10:271
709299320,31cyclictest17133-21meminfo12:05:431
709299320,30cyclictest9687-21meminfo11:45:271
709299320,30cyclictest25360-21meminfo11:00:201
709199320,31cyclictest2259-21meminfo11:25:220
709199320,30cyclictest30916-21meminfo11:15:240
709199320,30cyclictest28233-21meminfo12:35:290
709299310,30cyclictest3082-21meminfo09:50:221
709299310,29cyclictest18770-21meminfo09:05:231
709199310,29cyclictest10115-21meminfo07:15:270
709199300,29cyclictest31764-21meminfo09:40:260
709199300,29cyclictest23324-21meminfo07:50:260
709299290,28cyclictest22484-21meminfo09:15:311
709199290,28cyclictest26194-21meminfo09:25:240
709199280,26cyclictest5782-21meminfo08:30:260
709199270,26cyclictest7832-21meminfo11:40:230
709299260,25cyclictest17954-21meminfo10:40:281
709299250,24cyclictest7704-21meminfo07:10:341
709299250,24cyclictest23325-21meminfo07:50:261
709299250,24cyclictest20633-21meminfo09:10:301
709299250,24cyclictest19455-21meminfo07:40:291
709299250,24cyclictest15052-21meminfo08:55:231
709199250,24cyclictest6803-21meminfo10:00:260
709199250,24cyclictest17585-21meminfo07:35:270
709199250,23cyclictest25361-21meminfo11:00:220
709199240,22cyclictest24348-21meminfo09:20:260
709299230,22cyclictest28042-21meminfo09:30:251
709299230,22cyclictest24347-21meminfo09:20:261
709299200,19cyclictest24525-21meminfo12:25:231
709199200,19cyclictest14222-21meminfo10:30:200
7092991816,1cyclictest20152-21date12:14:591
709299180,9cyclictest19886-21diskmemload10:26:501
709299180,17cyclictest8661-21meminfo10:05:271
709299180,10cyclictest19886-21diskmemload12:24:231
7092991715,1cyclictest0-21swapper/110:58:411
7092991715,1cyclictest0-21swapper/110:22:251
7092991714,2cyclictest16074-21ls10:35:261
709199170,16cyclictest11535-21meminfo11:50:250
709299160,15cyclictest4110-21meminfo11:30:251
709299160,15cyclictest21659-21meminfo10:50:271
709199161,6cyclictest0-21swapper/010:45:190
709199160,9cyclictest0-21swapper/009:30:180
709199160,15cyclictest29071-21meminfo11:10:290
709199151,3cyclictest0-21swapper/008:20:200
709299143,10cyclictest26941-21runrttasks09:26:121
709199145,8cyclictest17256-21/usr/sbin/munin12:05:450
709199144,9cyclictest0-21swapper/009:45:200
709199144,7cyclictest18886-21apt-get07:40:210
709199141,6cyclictest2516-21apt-get09:50:180
709299134,5cyclictest29338-21munin-run12:39:591
7092991311,1cyclictest5724-21runrttasks08:30:261
7092991310,2cyclictest26085-21fschecks_time12:30:211
709199137,2cyclictest1124-21winbindd11:59:080
709199131,5cyclictest0-21swapper/010:06:150
7091991311,1cyclictest19886-21diskmemload12:20:260
709199130,4cyclictest0-21swapper/011:45:220
709199130,12cyclictest20796-21meminfo12:15:180
709299129,2cyclictest32362-21tail09:40:321
709299129,2cyclictest31745-21chrt08:14:001
709299129,2cyclictest30588-21chrt09:35:381
709299129,2cyclictest22357-21seq07:47:411
709299129,2cyclictest14749-21seq07:28:021
709299129,2cyclictest13341-21cat08:50:231
709299129,2cyclictest10473-21taskset08:43:361
709299125,2cyclictest0-21swapper/110:03:301
709299122,3cyclictest0-21swapper/111:35:211
709299122,2cyclictest14614-21kworker/u4:0+rpciod10:18:341
7092991210,1cyclictest0-21swapper/111:25:271
709299120,5cyclictest9179-21cat07:15:011
709199129,2cyclictest7164-21expr08:35:190
709199129,2cyclictest25540-21mailstats07:55:270
709199129,2cyclictest21249-21df10:50:200
709199129,2cyclictest0-21swapper/010:26:000
709199121,4cyclictest19886-21diskmemload10:14:240
7091991210,1cyclictest21780-21latency_hist09:15:010
709299119,1cyclictest5381-21grep09:55:291
709299119,1cyclictest146772sleep112:00:141
709299118,2cyclictest8380-21sed11:40:291
709299118,2cyclictest32418-21uniq11:20:231
709299118,2cyclictest18545-21chrt07:38:321
709299118,2cyclictest13866-21grep10:30:161
709299118,2cyclictest1007-21seq08:17:131
709299113,6cyclictest10788-21apt-get08:45:181
709299112,1cyclictest30089-21kworker/u4:4+rpciod11:16:021
709199119,1cyclictest40662sleep008:25:250
709199119,1cyclictest32656-21tail08:15:250
709199119,1cyclictest299052sleep008:09:060
709199119,1cyclictest299052sleep008:09:050
709199119,1cyclictest26634-21chrt11:05:090
709199119,1cyclictest24486-21sed12:25:220
709199119,1cyclictest22704-21head09:15:360
709199119,1cyclictest14879-21cut12:00:180
709199119,1cyclictest12561-21grep07:20:370
709199118,2cyclictest8809-21perf07:15:010
709199118,2cyclictest27523-21date08:00:270
709199118,2cyclictest16982-21grep09:00:320
709199118,2cyclictest16603-21timerwakeupswit10:35:320
709199118,2cyclictest11795-21chrt10:15:220
709199110,10cyclictest16592-21chrt07:32:550
709199110,10cyclictest12419-21taskset10:20:130
709199108,1cyclictest18921-21ntpq09:05:250
709199108,1cyclictest15675-21grep08:55:290
709199103,4cyclictest0-21swapper/012:10:180
62962101,5sleep16468-21/usr/sbin/munin07:05:291
5165282,2sleep00-21swapper/007:05:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional