You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-21 - 09:50
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot4.osadl.org (updated Mon Apr 21, 2025 00:46:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12464262374352,14sleep130-21swapper/1319:06:375
12466022371350,13sleep110-21swapper/1119:08:433
12464382361315,15sleep60-21swapper/619:06:4512
12463982357315,14sleep80-21swapper/819:06:1514
12463782346322,16sleep50-21swapper/519:05:5711
12464582345323,14sleep70-21swapper/719:07:0213
12466512343320,15sleep140-21swapper/1419:09:196
12463772342320,14sleep40-21swapper/419:05:5610
12463422342319,15sleep150-21swapper/1519:05:347
12465252341319,14sleep100-21swapper/1019:07:532
12464962341318,15sleep30-21swapper/319:07:309
12465842339316,15sleep00-21swapper/019:08:330
12465332339316,15sleep10-21swapper/119:08:011
12465242339317,14sleep90-21swapper/919:07:5315
12464802339317,14sleep120-21swapper/1219:07:234
12463752337315,14sleep20-21swapper/219:05:538
124712099239238,1cyclictest0-21swapper/1319:10:195
124709499162161,1cyclictest1249600-21nodev-device-ev19:10:1911
124709499139138,1cyclictest1403441-21nodev-device-ev22:20:1911
124712799123123,0cyclictest0-21swapper/1519:25:197
124708499950,1cyclictest0-21swapper/219:20:198
1247114999089,1cyclictest0-21swapper/1123:00:203
1247088999089,1cyclictest1496505-21nodev-device-ev00:35:179
1247080998786,1cyclictest0-21swapper/120:40:201
1247094998382,1cyclictest1367115-21nodev-device-ev21:30:1411
1247110998180,1cyclictest0-21swapper/1023:40:182
1247124997574,1cyclictest1385287-21nodev-device-ev21:55:226
1247124997574,1cyclictest1385287-21nodev-device-ev21:55:216
1247120997066,3cyclictest1417321-21nodev-device-ev22:40:185
1247108996968,1cyclictest1327606-21nodev-device-ev20:40:1915
1247118996867,1cyclictest0-21swapper/1219:40:234
1247110996463,1cyclictest1259262-21nodev-device-ev19:20:192
1247114995756,1cyclictest0-21swapper/1100:35:173
124709499533,25cyclictest0-21swapper/520:04:1011
1247100995251,1cyclictest1399184-21nodev-device-ev22:15:1813
1247078995251,1cyclictest1336156-21nodev-device-ev20:50:230
1247104994948,1cyclictest0-21swapper/821:05:1814
1247084994948,1cyclictest0-21swapper/220:35:208
1247084994342,1cyclictest0-21swapper/220:45:188
1247084993433,1cyclictest0-21swapper/222:35:218
1247100993332,1cyclictest1263520-21nodev-device-ev19:25:1913
124711499320,26cyclictest0-21swapper/1120:00:163
1247084993231,1cyclictest1289149-21nodev-device-ev19:55:198
1247114993124,7cyclictest2039-21snmpd20:21:093
1247094992923,3cyclictest0-21swapper/523:20:1711
124712799280,27cyclictest0-21swapper/1520:11:407
1247120992827,1cyclictest2039-21snmpd22:35:545
1247118992827,1cyclictest0-21swapper/1221:28:354
124711899280,27cyclictest0-21swapper/1200:09:094
1247114992827,1cyclictest2039-21snmpd00:03:183
1247114992827,1cyclictest0-21swapper/1121:40:533
1247114992827,1cyclictest0-21swapper/1120:35:063
1247110992827,1cyclictest2039-21snmpd20:28:002
1247110992826,1cyclictest1426930-21kworker/10:0+events23:15:002
124711099280,27cyclictest0-21swapper/1023:55:092
124711099280,27cyclictest0-21swapper/1021:38:592
1247108992827,1cyclictest2039-21snmpd00:20:4215
124710099280,1cyclictest0-21swapper/722:31:1913
124709499284,13cyclictest0-21swapper/519:53:1111
124709499283,14cyclictest69-21ksoftirqd/522:15:5711
124709499283,0cyclictest0-21swapper/521:10:0411
124709499283,0cyclictest0-21swapper/519:42:1211
124709499280,27cyclictest0-21swapper/523:28:1511
124709499280,1cyclictest0-21swapper/521:05:2611
1247090992827,1cyclictest0-21swapper/419:16:0410
124709099280,27cyclictest0-21swapper/419:57:2910
124709099280,1cyclictest0-21swapper/422:05:0510
124708899280,27cyclictest0-21swapper/320:05:009
1247084992827,1cyclictest2039-21snmpd00:14:198
1247078992827,1cyclictest2039-21snmpd00:26:240
1247078992822,3cyclictest0-21swapper/021:10:150
124707899280,27cyclictest0-21swapper/021:32:170
124707899280,27cyclictest0-21swapper/020:57:290
1247127992726,1cyclictest2039-21snmpd22:10:167
124712799270,27cyclictest0-21swapper/1523:44:307
124712799270,26cyclictest0-21swapper/1521:12:297
124712799270,26cyclictest0-21swapper/1500:37:477
124712799270,1cyclictest0-21swapper/1521:22:267
1247124992726,1cyclictest2039-21snmpd23:46:446
124712499270,27cyclictest0-21swapper/1423:56:096
124712499270,27cyclictest0-21swapper/1419:17:176
124712499270,1cyclictest0-21swapper/1400:24:046
124712099270,1cyclictest0-21swapper/1321:30:135
1247118992726,1cyclictest2039-21snmpd22:04:024
1247118992726,1cyclictest2039-21snmpd20:07:514
124711899270,27cyclictest0-21swapper/1223:41:204
1247114992726,1cyclictest0-21swapper/1119:25:463
1247110992727,0cyclictest1426930-21kworker/10:0+events00:38:342
1247110992726,1cyclictest2039-21snmpd22:56:592
1247110992726,1cyclictest2039-21snmpd22:23:492
1247110992726,1cyclictest1426930-21kworker/10:0+events23:15:222
1247110992726,1cyclictest1251996-21kworker/10:1+events19:55:182
1247110992726,1cyclictest0-21swapper/1021:43:172
124711099270,27cyclictest0-21swapper/1000:15:252
1247108992726,1cyclictest2039-21snmpd22:21:3615
1247108992726,1cyclictest2039-21snmpd20:59:4015
124710899270,27cyclictest0-21swapper/920:18:2415
124710899270,1cyclictest0-21swapper/922:17:3315
124710899270,1cyclictest0-21swapper/919:51:1115
1247104992726,1cyclictest2039-21snmpd20:10:0614
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional