You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-28 - 09:13
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 rackfslot7.osadl.org (updated Tue Oct 28, 2025 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3901218997153,0cyclictest0-21swapper/121:10:171
3901218997153,0cyclictest0-21swapper/121:10:171
3901217997113,19cyclictest0-21swapper/021:48:200
3901217997011,19cyclictest0-21swapper/023:06:180
3901219996931,38cyclictest0-21swapper/223:50:172
3901217996931,0cyclictest0-21swapper/021:30:260
3901217996929,19cyclictest0-21swapper/020:45:140
3901217996911,19cyclictest0-21swapper/023:58:380
390121799689,19cyclictest0-21swapper/023:16:100
3901217996830,1cyclictest0-21swapper/022:30:220
3901217996810,0cyclictest0-21swapper/022:20:500
3901217996526,0cyclictest0-21swapper/021:20:220
3901217996526,0cyclictest0-21swapper/020:40:260
3901223996463,1cyclictest781ktimers/623:20:206
3901217996426,18cyclictest0-21swapper/000:10:140
3901217996324,18cyclictest0-21swapper/020:30:140
3901223996115,43cyclictest0-21swapper/623:10:166
3901217996020,19cyclictest0-21swapper/023:40:260
390121799580,39cyclictest1089-21snmpd20:25:160
3901217995638,18cyclictest0-21swapper/000:30:450
3901217995619,18cyclictest0-21swapper/000:28:450
3901217995618,19cyclictest3931277-21ntp_states20:00:220
3901217995517,19cyclictest4028755-21kworker/0:2+ice23:00:140
3901217995517,19cyclictest3897873-21kworker/0:0+ice21:14:380
3901217995517,19cyclictest3897873-21kworker/0:0+ice21:14:380
3901217995517,18cyclictest101850irq/40-eno2-TxRx-119:17:420
3901217995516,38cyclictest0-21swapper/022:36:460
3901217995516,19cyclictest3897873-21kworker/0:0+ice19:56:460
3901217995516,19cyclictest0-21swapper/020:18:060
3901217995514,39cyclictest3897873-21kworker/0:0-ice19:54:380
3901223995414,39cyclictest0-21swapper/600:35:196
3901217995435,19cyclictest101850irq/40-eno2-TxRx-119:30:140
3901217995416,19cyclictest4028755-21kworker/0:2+ice22:55:160
3901217995416,19cyclictest3970199-21munin-run21:10:020
3901217995416,19cyclictest3970199-21munin-run21:10:020
3901217995416,0cyclictest101850irq/40-eno2-TxRx-121:37:360
3901217995414,19cyclictest0-21swapper/022:01:180
3901222995314,39cyclictest0-21swapper/500:20:185
3901218995315,19cyclictest331ktimers/119:45:171
3901217995334,19cyclictest101850irq/40-eno2-TxRx-119:10:220
3901217995319,34cyclictest0-21swapper/019:38:080
3901217995315,38cyclictest101850irq/40-eno2-TxRx-122:52:280
3901217995315,19cyclictest101850irq/40-eno2-TxRx-119:26:480
3901217995315,19cyclictest101850irq/40-eno2-TxRx-119:20:320
3901217995314,19cyclictest0-21swapper/021:40:440
3901217995314,19cyclictest0-21swapper/020:50:580
3901217995314,19cyclictest0-21swapper/020:10:060
3901217995314,19cyclictest0-21swapper/019:49:460
3901217995314,19cyclictest0-21swapper/000:00:460
3901217995314,0cyclictest3999114-21kworker/0:2+ice22:16:300
3901217995314,0cyclictest0-21swapper/021:58:060
3901217995314,0cyclictest0-21swapper/000:38:250
3901217995313,19cyclictest0-21swapper/020:39:100
3901217995313,19cyclictest0-21swapper/000:09:420
3901217995313,0cyclictest0-21swapper/023:13:140
3901223995214,19cyclictest0-21swapper/622:10:186
3901223995214,19cyclictest0-21swapper/620:00:186
3901217995213,19cyclictest4028755-21kworker/0:2+ice23:48:140
3901217995213,19cyclictest0-21swapper/022:40:490
3901217995213,0cyclictest0-21swapper/023:31:220
3901217995213,0cyclictest0-21swapper/023:29:540
3901217995213,0cyclictest0-21swapper/023:20:100
3901217995212,20cyclictest0-21swapper/021:18:020
3901217995212,19cyclictest0-21swapper/000:21:340
3901217995212,0cyclictest0-21swapper/023:39:420
3901218995113,19cyclictest0-21swapper/100:25:211
3901217995112,19cyclictest0-21swapper/022:29:260
3901217995112,19cyclictest0-21swapper/021:51:180
3901217995112,0cyclictest0-21swapper/022:10:100
3901217995111,19cyclictest0-21swapper/023:51:300
3901217995111,0cyclictest0-21swapper/021:00:500
3901217995111,0cyclictest0-21swapper/021:00:500
3901217995111,0cyclictest0-21swapper/019:40:420
3901224995011,39cyclictest0-21swapper/721:20:157
3901223995012,38cyclictest0-21swapper/600:15:166
3901217995012,19cyclictest0-21swapper/022:45:040
3901217995012,19cyclictest0-21swapper/020:55:150
3901217995012,19cyclictest0-21swapper/020:55:150
3901217995012,0cyclictest101850irq/40-eno2-TxRx-100:19:480
3901217995011,19cyclictest0-21swapper/021:26:300
3901217995011,0cyclictest0-21swapper/022:05:300
3901217995011,0cyclictest0-21swapper/020:22:530
3901217995011,0cyclictest0-21swapper/020:06:060
390122399498,39cyclictest0-21swapper/621:30:186
3901218994911,38cyclictest0-21swapper/120:20:171
3901224994738,8cyclictest0-21swapper/721:50:147
390122399466,39cyclictest0-21swapper/619:20:186
390121899446,19cyclictest0-21swapper/119:30:171
390122299436,18cyclictest0-21swapper/521:50:205
390122399424,19cyclictest0-21swapper/620:25:176
3901224994040,0cyclictest0-21swapper/719:20:147
390122099400,1cyclictest0-21swapper/322:35:173
390121899402,19cyclictest0-21swapper/121:20:161
390122399391,19cyclictest0-21swapper/621:55:186
390121899390,19cyclictest0-21swapper/120:30:151
3901221993837,0cyclictest4071566-21kworker/4:2+events00:21:184
3901221993837,0cyclictest4023198-21kworker/4:2+events22:55:064
390121799380,18cyclictest0-21swapper/019:10:020
3901224993735,1cyclictest0-21swapper/722:15:027
3901221993737,0cyclictest4081011-21kworker/4:1+events00:38:354
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional