You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-12-07 - 22:27

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #0, slot #8

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 rack0slot8s.osadl.org (updated Thu Dec 07, 2023 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2889911000,90ptp4l0-21swapper/107:05:201
94480710,66rtkit-daemon0-21swapper/007:07:130
1425227052,9sleep50-21swapper/507:08:267
1423826555,8sleep40-21swapper/407:08:136
193302610,0sleep90-21swapper/907:55:2211
1434026143,10sleep100-21swapper/1007:09:442
1251726151,7sleep70-21swapper/707:05:279
266332600,0sleep60-21swapper/612:15:358
1409825646,8sleep110-21swapper/1107:06:083
1107125543,10sleep60-21swapper/607:05:028
190022510,0sleep70-21swapper/707:55:209
67902500,1sleep863-21ksoftirqd/810:25:3710
14750992719,8cyclictest0-21swapper/1011:30:232
1475099220,1cyclictest0-21swapper/1009:40:072
288991210,0ptp4l0-21swapper/111:00:291
1470699203,10cyclictest0-21swapper/107:40:011
1470699203,10cyclictest0-21swapper/107:40:011
1475099190,1cyclictest0-21swapper/1008:25:312
1474699192,13cyclictest0-21swapper/912:10:0011
1474699191,17cyclictest0-21swapper/912:25:2611
1471599193,9cyclictest0-21swapper/308:50:005
1471199183,9cyclictest0-21swapper/212:00:014
1471199183,10cyclictest0-21swapper/208:40:004
288991170,7ptp4l0-21swapper/107:30:271
288991170,7ptp4l0-21swapper/107:30:271
288991170,0ptp4l0-21swapper/110:05:281
1475099170,16cyclictest0-21swapper/1008:24:352
1474699173,9cyclictest0-21swapper/907:25:0011
1474699173,9cyclictest0-21swapper/907:25:0011
1473599174,8cyclictest0-21swapper/710:40:339
1472599173,9cyclictest0-21swapper/512:25:007
1471199173,9cyclictest0-21swapper/209:40:014
94480160,3rtkit-daemon0-21swapper/610:59:288
288991160,2ptp4l16969-21if_enp1s0.110:40:241
288991160,1ptp4l30914-21fw_conntrack08:10:211
288991160,0ptp4l0-21swapper/112:25:221
288991160,0ptp4l0-21swapper/110:30:261
288991160,0ptp4l0-21swapper/109:10:241
288991160,0ptp4l0-21swapper/109:05:351
288991160,0ptp4l0-21swapper/108:55:261
288991160,0ptp4l0-21swapper/107:40:461
288991160,0ptp4l0-21swapper/107:40:461
1474699163,8cyclictest0-21swapper/911:55:0011
14746991613,2cyclictest20556-21awk10:05:0011
1473599163,8cyclictest0-21swapper/712:40:009
1473599163,8cyclictest0-21swapper/710:59:599
1473599162,8cyclictest0-21swapper/710:05:029
1473599162,8cyclictest0-21swapper/709:55:019
1473599162,8cyclictest0-21swapper/709:45:359
1472599162,9cyclictest0-21swapper/512:00:007
1472599162,9cyclictest0-21swapper/510:20:017
1471599163,8cyclictest0-21swapper/308:00:015
1471199163,8cyclictest0-21swapper/212:05:004
1471199161,10cyclictest0-21swapper/211:50:004
288991150,1ptp4l12956-21fw_forwarded_lo10:35:251
288991150,0ptp4l0-21swapper/111:20:281
288991150,0ptp4l0-21swapper/110:55:341
288991150,0ptp4l0-21swapper/110:00:331
288991150,0ptp4l0-21swapper/109:25:321
288991150,0ptp4l0-21swapper/108:30:261
288991150,0ptp4l0-21swapper/107:20:201
288991150,0ptp4l0-21swapper/107:20:201
1475599153,8cyclictest0-21swapper/1111:45:003
1474699153,7cyclictest0-21swapper/908:40:0111
1474199152,8cyclictest0-21swapper/809:10:0110
1473599152,8cyclictest0-21swapper/710:20:009
1473599152,7cyclictest0-21swapper/707:50:009
1473599152,7cyclictest0-21swapper/707:50:009
1472599152,8cyclictest0-21swapper/511:40:007
1472599152,8cyclictest0-21swapper/511:30:017
1472599152,8cyclictest0-21swapper/509:50:017
1472599152,8cyclictest0-21swapper/509:30:017
14721991512,2cyclictest25430-21turbostat08:05:006
1471599153,6cyclictest0-21swapper/311:10:015
1471199153,8cyclictest0-21swapper/210:05:004
1471199152,8cyclictest0-21swapper/211:30:344
1471199152,8cyclictest0-21swapper/207:55:324
1470699153,7cyclictest0-21swapper/111:20:011
1470699152,8cyclictest0-21swapper/112:15:001
288991140,1ptp4l21-21ksoftirqd/107:15:001
288991140,0ptp4l0-21swapper/111:35:191
288991140,0ptp4l0-21swapper/111:30:211
288991140,0ptp4l0-21swapper/110:20:351
288991140,0ptp4l0-21swapper/109:55:261
288991140,0ptp4l0-21swapper/109:00:011
288991140,0ptp4l0-21swapper/107:50:251
20732140,0sleep30-21swapper/308:55:345
1475599140,9cyclictest0-21swapper/1108:30:343
1474699142,8cyclictest0-21swapper/911:45:3211
1474699142,7cyclictest0-21swapper/910:10:0011
1474699142,7cyclictest0-21swapper/908:55:0111
1474699141,8cyclictest0-21swapper/911:20:0111
1474199143,6cyclictest0-21swapper/809:00:0110
1474199142,7cyclictest0-21swapper/809:55:0110
1474199142,7cyclictest0-21swapper/807:35:0010
1474199142,7cyclictest0-21swapper/807:35:0010
1474199141,8cyclictest0-21swapper/807:45:0010
1474199141,8cyclictest0-21swapper/807:45:0010
1474199140,8cyclictest0-21swapper/811:25:0110
1473599142,7cyclictest0-21swapper/712:20:009
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional