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2024-11-24 - 13:20

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #4

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 
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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 all highest latencies:
System rack9slot4s (updated Sun Nov 24, 2024 00:59:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302799912671217,45cyclictest31629-21tail19:25:290
302809911491127,18cyclictest31176-21strings19:25:231
294972576529,32sleep00-21swapper/019:20:290
285132496417,63sleep10-21swapper/119:20:111
233372840,4sleep0111rcuc/020:30:100
98792620,2sleep09875-21tr21:20:110
199242480,7sleep03027999cyclictest21:45:260
239832430,6sleep13028099cyclictest21:55:301
30279993917,8cyclictest6833-21iostat19:45:180
30279993913,3cyclictest32043-21taskset22:19:570
255592371,4sleep025603-21vmstat23:25:310
30279993614,10cyclictest0-21swapper/000:15:000
30279993610,8cyclictest2220-21dbus-daemon00:30:040
3027999354,27cyclictest22258-21mailstats20:25:280
30279993517,6cyclictest23635-21ntp_states21:55:250
302042351,30sleep16204-21gdbus20:46:431
99692341,3sleep110129-21fschecks_time21:20:161
30279993411,6cyclictest2220-21dbus-daemon23:38:060
148382340,5sleep0111rcuc/020:05:280
3027999337,22cyclictest2220-21dbus-daemon22:38:040
30279993318,5cyclictest191012chrt20:18:390
30279993318,4cyclictest49572sleep022:30:540
3027999331,15cyclictest1025-21sed22:20:300
30280993213,15cyclictest713-21irqstats20:55:221
3027999329,19cyclictest2220-21dbus-daemon23:00:280
3027999322,24cyclictest13336-21diskstats22:55:160
3027999322,13cyclictest3020-21runrttasks22:52:460
30279993216,5cyclictest28266-21runrttasks20:41:030
30279993216,5cyclictest114472sleep019:57:200
3027999321,17cyclictest810-21grep19:30:160
3027999321,14cyclictest24995-21taskset22:00:150
164252321,5sleep10-21swapper/100:30:031
3027999318,20cyclictest3020-21runrttasks00:03:320
30279993115,5cyclictest19190-21http_loadtime23:10:200
30279993114,6cyclictest30704-21cut20:50:110
30279993114,5cyclictest13903-21hddtemp_smartct21:30:190
3027999311,15cyclictest4801-21/usr/sbin/munin21:05:250
30279993111,10cyclictest0-21swapper/021:35:210
213492311,26sleep121471-21users00:40:311
189012311,26sleep118910-21iostat_ios00:35:211
75842301,5sleep00-21swapper/021:14:560
59492301,9sleep10-21swapper/119:43:421
3028099301,15cyclictest12140-21grep22:50:301
3027999303,23cyclictest0-21swapper/000:21:280
30279993015,4cyclictest10638-21latency_hist00:15:010
30279993014,5cyclictest30556-21grep20:50:000
30279993014,5cyclictest15389-21ntp_states00:25:240
30279993011,5cyclictest2106-21/usr/sbin/munin23:50:280
3027999301,11cyclictest0-21swapper/023:20:210
30279993011,10cyclictest0-21swapper/020:39:580
94222291,5sleep00-21swapper/019:50:470
90512291,5sleep00-21swapper/021:15:390
77412291,5sleep10-21swapper/119:47:491
58342291,5sleep00-21swapper/019:42:310
36032291,5sleep10-21swapper/121:02:361
30392291,5sleep10-21swapper/122:25:331
30280992915,11cyclictest24531-21tr23:25:121
3027999293,22cyclictest0-21swapper/023:18:330
3027999293,22cyclictest0-21swapper/020:04:070
3027999292,23cyclictest0-21swapper/022:10:270
3027999292,23cyclictest0-21swapper/021:00:140
30279992916,7cyclictest30270-21diskstats23:40:130
30279992916,4cyclictest215842chrt00:41:320
30279992912,6cyclictest3482-21mailstats19:35:280
30279992912,6cyclictest20391-21grep20:20:260
235802291,5sleep00-21swapper/000:47:230
228262291,5sleep10-21swapper/120:28:101
170832291,5sleep00-21swapper/020:12:140
128442291,5sleep00-21swapper/021:25:520
128442291,5sleep00-21swapper/021:25:520
115872291,5sleep10-21swapper/119:58:491
10982291,24sleep01160-21switchtime20:55:290
85382281,5sleep00-21swapper/000:07:490
54742281,5sleep10-21swapper/121:07:361
39212281,5sleep10-21swapper/119:37:181
318392281,5sleep10-21swapper/122:17:501
30672281,5sleep00-21swapper/022:25:440
30280992818,6cyclictest30197-21wc23:40:111
30280992818,5cyclictest6545-21cat21:10:211
30280992816,7cyclictest23202-21sed23:20:231
3027999287,10cyclictest0-21swapper/023:59:040
30279992813,5cyclictest322-21ps23:45:260
3027999281,10cyclictest0-21swapper/000:35:150
282362281,5sleep10-21swapper/122:09:301
279102281,4sleep00-21swapper/023:34:570
256802281,5sleep00-21swapper/000:54:420
255502281,5sleep10-21swapper/100:53:201
159712281,5sleep10-21swapper/100:26:551
93202271,4sleep10-21swapper/121:18:251
90002271,5sleep10-21swapper/122:43:431
85702271,5sleep10-21swapper/100:08:071
30280992718,6cyclictest22-21ksoftirqd/121:31:311
30280992717,6cyclictest22-21ksoftirqd/123:58:421
30280992716,7cyclictest19923-21/usr/sbin/munin21:45:271
295952271,5sleep10-21swapper/123:38:001
276312271,5sleep10-21swapper/123:32:021
263222271,5sleep10-21swapper/120:35:331
226002271,5sleep10-21swapper/121:54:331
225772271,5sleep00-21swapper/021:54:190
219622271,5sleep10-21swapper/123:16:531
21342271,5sleep10-21swapper/119:34:151
200602271,5sleep10-21swapper/123:11:351
186912271,4sleep10-21swapper/121:42:561
184782271,4sleep00-21swapper/021:40:420
172772271,5sleep10-21swapper/120:14:151
151532271,5sleep10-21swapper/120:06:401
143932271,5sleep10-21swapper/122:56:201
115292271,5sleep10-21swapper/121:25:081
115292271,5sleep10-21swapper/121:25:081
108182271,4sleep00-21swapper/022:48:060
104202271,5sleep10-21swapper/100:12:551
49492261,4sleep10-21swapper/122:30:491
30280992618,5cyclictest22-21ksoftirqd/122:20:061
30280992617,6cyclictest22-21ksoftirqd/123:52:001
30280992617,6cyclictest22-21ksoftirqd/123:09:241
30280992617,6cyclictest22-21ksoftirqd/122:36:501
30280992617,6cyclictest22-21ksoftirqd/121:36:271
30280992617,6cyclictest19762-21fschecks_count20:20:151
30280992617,5cyclictest15142-21cpuspeed_turbos23:00:121
30280992616,7cyclictest22-21ksoftirqd/120:53:361
30280992616,7cyclictest22-21ksoftirqd/120:40:201
30280992616,6cyclictest769-21runrttasks23:46:281
30280992616,6cyclictest22-21ksoftirqd/122:12:371
3027999262,21cyclictest0-21swapper/022:07:040
3027999261,11cyclictest0-21swapper/023:05:390
262862261,5sleep10-21swapper/122:03:401
134462261,4sleep10-21swapper/120:03:241
30280992517,5cyclictest9398-21aten_r4power_vo22:45:111
30280992517,5cyclictest22-21ksoftirqd/100:47:341
30280992517,5cyclictest22-21ksoftirqd/100:20:541
30280992515,6cyclictest24356-21sed20:30:281
3028099251,20cyclictest5765-21irqstats00:00:221
30280992510,12cyclictest8471-21fschecks_count19:50:151
3027999258,9cyclictest0-21swapper/022:40:240
30280992416,5cyclictest22-21ksoftirqd/100:18:181
30280992315,5cyclictest22-21ksoftirqd/120:15:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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