You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-26 - 17:33
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 Wed Nov 26, 2025 00:46:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5799799972400,7239cyclictest683828-21modprobe21:10:0013
5782502380373,5sleep60-21swapper/619:05:2512
5785532377369,5sleep100-21swapper/1019:05:292
5795172375353,14sleep140-21swapper/1419:09:196
5794682355310,14sleep80-21swapper/819:08:4014
5793492353311,14sleep90-21swapper/919:07:0515
5759892347336,7sleep50-21swapper/519:05:0811
5794152346323,15sleep130-21swapper/1319:07:575
5794902341319,14sleep110-21swapper/1119:09:003
5793972340317,15sleep150-21swapper/1519:07:427
5792642340318,14sleep40-21swapper/419:05:5510
5795572339316,15sleep00-21swapper/019:09:530
5795212339316,15sleep10-21swapper/119:09:211
5793892339316,15sleep70-21swapper/719:07:3513
5792442338316,14sleep30-21swapper/319:05:389
5792732336313,15sleep120-21swapper/1219:06:034
5792432336314,14sleep20-21swapper/219:05:378
57997999264264,0cyclictest0-21swapper/720:00:1913
58000499134133,1cyclictest626415-21nodev-device-ev20:00:197
579957999998,1cyclictest835923-21nodev-device-ev00:05:180
579989999794,3cyclictest861576-21nodev-device-ev00:35:192
579959999291,1cyclictest0-21swapper/121:20:201
579962999089,1cyclictest0-21swapper/223:40:178
579962999089,1cyclictest0-21swapper/223:40:178
579985998887,1cyclictest0-21swapper/922:00:1815
579989998786,1cyclictest0-21swapper/1023:45:182
579989998786,1cyclictest0-21swapper/1023:45:172
579959998584,1cyclictest720500-21nodev-device-ev21:50:191
579994998281,1cyclictest0-21swapper/1223:15:194
579982998079,1cyclictest0-21swapper/823:50:1714
579969997675,1cyclictest613558-21nodev-device-ev19:45:1810
579982996665,1cyclictest733332-21nodev-device-ev22:05:2014
580004995857,1cyclictest664912-21nodev-device-ev20:45:197
579989995855,3cyclictest652103-21nodev-device-ev20:30:192
579962995857,1cyclictest0-21swapper/200:10:188
580004995453,1cyclictest754701-21nodev-device-ev22:30:177
579962995150,1cyclictest0-21swapper/200:35:198
579982994948,1cyclictest0-21swapper/822:45:1714
579982994544,1cyclictest737617-21nodev-device-ev22:10:2114
579962994342,1cyclictest818795-21nodev-device-ev23:45:188
579962994342,1cyclictest818795-21nodev-device-ev23:45:178
579959994241,1cyclictest0-21swapper/121:55:181
579994993736,1cyclictest0-21swapper/1219:45:184
579957993433,1cyclictest707684-21nodev-device-ev21:35:210
579957993231,1cyclictest0-21swapper/023:20:200
579998993131,0cyclictest0-21swapper/1323:30:425
579985993126,4cyclictest2055-21snmpd20:46:0915
579998993024,3cyclictest0-21swapper/1319:41:185
579985993027,3cyclictest2055-21snmpd20:44:3315
58000499290,27cyclictest0-21swapper/1522:55:167
579989992926,3cyclictest2055-21snmpd22:41:222
579985992925,1cyclictest2055-21snmpd19:32:1315
579959992929,0cyclictest0-21swapper/122:15:481
57995999290,26cyclictest0-21swapper/100:05:161
580004992827,1cyclictest2055-21snmpd22:14:067
58000499280,27cyclictest0-21swapper/1520:50:227
579998992828,0cyclictest0-21swapper/1323:54:325
57999499280,27cyclictest0-21swapper/1221:23:114
57999499280,27cyclictest0-21swapper/1200:32:584
57999499280,1cyclictest0-21swapper/1221:42:204
579985992827,1cyclictest2055-21snmpd21:51:4115
579982992826,1cyclictest2055-21snmpd19:25:0714
57998299280,27cyclictest0-21swapper/821:54:3014
57998299280,27cyclictest0-21swapper/821:45:0414
57998299280,27cyclictest0-21swapper/819:15:1914
57998299280,27cyclictest0-21swapper/800:11:2414
57997999280,27cyclictest0-21swapper/721:25:4113
57997999280,27cyclictest0-21swapper/700:38:3713
579976992827,1cyclictest2055-21snmpd00:07:2712
57997699280,27cyclictest0-21swapper/621:43:1412
57997699280,27cyclictest0-21swapper/620:30:1712
57997299280,27cyclictest0-21swapper/521:40:5011
57996999280,27cyclictest0-21swapper/400:28:0410
579962992827,1cyclictest0-21swapper/223:52:128
579959992827,1cyclictest0-21swapper/121:08:011
579959992827,1cyclictest0-21swapper/119:31:251
579957992827,1cyclictest2055-21snmpd21:18:030
579957992827,1cyclictest2055-21snmpd20:25:450
579957992827,1cyclictest2055-21snmpd20:25:450
57995799280,27cyclictest0-21swapper/022:17:090
580004992727,0cyclictest818493-21mii-tool23:45:157
580004992727,0cyclictest818493-21mii-tool23:45:157
580004992726,1cyclictest2055-21snmpd20:23:187
580004992726,1cyclictest2055-21snmpd20:23:187
580004992726,1cyclictest0-21swapper/1522:36:587
580002992726,1cyclictest2055-21snmpd23:17:416
579998992726,1cyclictest2055-21snmpd22:43:015
579998992721,3cyclictest0-21swapper/1323:57:185
57999899270,27cyclictest713289-21kworker/13:0+mm_percpu_wq23:00:165
57999899270,1cyclictest0-21swapper/1320:42:155
579994992726,1cyclictest2055-21snmpd21:56:034
57999499270,27cyclictest0-21swapper/1200:01:514
57999499270,26cyclictest0-21swapper/1220:51:554
57999499270,1cyclictest0-21swapper/1223:05:354
579992992726,1cyclictest0-21swapper/1121:30:173
579992992726,1cyclictest0-21swapper/1120:15:193
579992992726,1cyclictest0-21swapper/1120:15:193
579992992725,1cyclictest2055-21snmpd21:39:563
579989992726,1cyclictest2055-21snmpd23:30:142
579989992726,1cyclictest2055-21snmpd22:22:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional