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2024-07-16 - 13:39

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #6

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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  TQ-Systems
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 rackbslot6s.osadl.org (updated Mon Jul 15, 2024 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32725911250,2ptp4l241ktimersoftd/115:50:041
32725911230,1ptp4l241ktimersoftd/117:48:331
32725911110,2ptp4l241ktimersoftd/117:35:521
32725911080,3ptp4l241ktimersoftd/116:59:431
32725911070,3ptp4l241ktimersoftd/112:42:411
32725911030,2ptp4l241ktimersoftd/118:03:441
32725911030,2ptp4l241ktimersoftd/117:14:301
32725911030,1ptp4l241ktimersoftd/114:28:461
32725911020,1ptp4l241ktimersoftd/116:29:301
32725911010,13ptp4l241ktimersoftd/117:53:131
32725911000,2ptp4l241ktimersoftd/114:44:441
3272591980,2ptp4l241ktimersoftd/117:14:321
3272591980,2ptp4l241ktimersoftd/117:14:321
3272591970,2ptp4l241ktimersoftd/117:40:511
191402950,8sleep11943299cyclictest17:23:071
307132920,2sleep00-21swapper/014:21:110
1942999920,8cyclictest3760-21ssh17:46:100
1942999880,6cyclictest18554-21rm15:00:000
3272591850,2ptp4l241ktimersoftd/116:06:471
3272591840,2ptp4l241ktimersoftd/118:12:421
3272591840,2ptp4l241ktimersoftd/116:43:031
3272591840,2ptp4l241ktimersoftd/115:10:441
3272591830,2ptp4l241ktimersoftd/115:29:521
1942999831,46cyclictest21525-21rm15:51:530
19429998311,38cyclictest18322-21turbostat.cron13:59:210
1942999823,12cyclictest898-21scp13:11:110
3272591810,2ptp4l241ktimersoftd/115:38:101
19429998110,36cyclictest26502-21runrttasks12:58:290
3272591780,1ptp4l241ktimersoftd/115:47:431
3272591770,1ptp4l241ktimersoftd/117:09:071
1942999770,8cyclictest13924-21ssh16:29:250
3272591760,1ptp4l241ktimersoftd/115:27:441
3272591760,1ptp4l241ktimersoftd/112:56:011
1942999762,7cyclictest7054-21seq14:44:220
1942999752,7cyclictest17832-21runrttasks18:05:400
1942999750,7cyclictest2017-21ssh16:58:060
1942999750,6cyclictest29939-21df_inode16:04:450
1942999741,8cyclictest3289-21ssh16:13:210
1942999740,6cyclictest20442-21ssh17:24:500
1942999738,4cyclictest26133-21ssh16:45:170
1942999732,7cyclictest14184-21seq18:00:230
1942999731,8cyclictest9695-21runrttasks13:32:470
1942999731,8cyclictest12987-21seq14:52:170
1942999730,6cyclictest28993-21sh15:15:080
1942999730,6cyclictest1745-21grep13:14:420
3272591720,1ptp4l241ktimersoftd/115:21:481
1942999721,6cyclictest15218-21seq17:17:100
1942999721,6cyclictest15218-21seq17:17:100
3272591710,1ptp4l241ktimersoftd/116:03:481
1942999710,6cyclictest31218-21ssh16:53:490
1942999710,6cyclictest19134-21taskset17:23:060
1942999710,6cyclictest11361-21ssh15:38:160
3272591700,3ptp4l32346-21kworker/1:214:35:321
1942999704,43cyclictest30113-21snmp_o5powerctl13:05:040
1942999702,6cyclictest5580-21seq13:24:030
1942999701,8cyclictest11636-21seq13:35:430
1942999693,51cyclictest9248-21ssh14:45:590
1942999691,7cyclictest20511-21ssh16:38:060
1942999691,46cyclictest24963-21ssh15:57:020
19429996911,33cyclictest0-21swapper/013:47:000
1942999690,5cyclictest7066-21diskmemload15:12:320
1942999681,8cyclictest25137-21ssh17:31:030
1942999681,52cyclictest30973-21ssh17:39:520
1942999680,5cyclictest9707-21/usr/sbin/munin17:10:020
1942999672,6cyclictest7066-21diskmemload15:27:100
1942999671,8cyclictest2647-21seq14:32:420
1942999671,8cyclictest21893-21seq18:11:360
1942999670,6cyclictest4119-21snmp_o5powerctl17:00:100
3272591660,1ptp4l241ktimersoftd/116:53:501
1942999662,8cyclictest22970-21ssh15:06:570
1942999662,5cyclictest15481-21apt-get15:44:410
1942999661,8cyclictest8633-21seq17:54:310
1942999661,8cyclictest7563-21seq13:27:340
1942999661,8cyclictest30009-21seq17:39:190
1942999652,7cyclictest5342-21ssh16:15:120
1942999652,6cyclictest16600-21ssh16:32:260
1942999652,6cyclictest14879-21seq15:43:370
1942999651,7cyclictest31800-21snmpd13:52:150
1942999651,7cyclictest30821-21ssh15:19:280
3272591640,1ptp4l241ktimersoftd/114:21:281
1942999643,8cyclictest7387-21apt-get16:19:420
1942999642,8cyclictest23203-21ssh16:41:050
1942999642,7cyclictest7998-21ssh17:05:310
1942999642,7cyclictest28964-21ssh16:03:370
1942999641,8cyclictest5207-21ssh17:49:400
3272591630,1ptp4l241ktimersoftd/116:25:541
1942999632,6cyclictest31800-21snmpd12:49:030
1942999632,6cyclictest31800-21snmpd12:49:030
3272591620,2ptp4l241ktimersoftd/116:47:211
1942999622,8cyclictest31800-21snmpd13:00:340
1942999622,7cyclictest7283-21ssh15:31:180
1942999621,6cyclictest845-21runrttasks12:51:110
1942999621,6cyclictest22719-21/usr/sbin/munin14:05:060
1942999621,6cyclictest12144-21/usr/sbin/munin13:40:100
1942999612,6cyclictest16383-21ssh14:57:560
1942999601,8cyclictest28087-21seq14:14:570
1942999601,7cyclictest4811-21seq14:38:000
1942999601,6cyclictest22213-21runrttasks14:00:440
3272591580,2ptp4l241ktimersoftd/113:12:471
3272591570,3ptp4l32346-21kworker/1:213:20:011
1942999571,6cyclictest376-21runrttasks14:26:160
3272591560,1ptp4l241ktimersoftd/117:29:521
3272591550,1ptp4l241ktimersoftd/116:17:181
1942999554,41cyclictest24904-21apt-get14:09:380
3272591540,1ptp4l241ktimersoftd/116:11:481
3272591530,3ptp4l4739-21kworker/1:015:09:281
3272591520,2ptp4l241ktimersoftd/114:02:041
3272591520,1ptp4l241ktimersoftd/118:08:091
3272591510,1ptp4l241ktimersoftd/114:57:341
3272591500,3ptp4l7448-21kworker/1:112:50:431
3272591500,1ptp4l241ktimersoftd/114:51:171
3272591490,1ptp4l241ktimersoftd/117:29:281
3272591490,1ptp4l241ktimersoftd/116:54:541
3272591490,1ptp4l241ktimersoftd/116:35:261
3272591490,1ptp4l241ktimersoftd/115:56:001
3272591490,1ptp4l241ktimersoftd/115:16:281
3272591490,1ptp4l241ktimersoftd/115:00:241
175142496,27sleep017430-21/usr/sbin/munin12:39:370
3272591480,1ptp4l241ktimersoftd/113:58:091
3272591480,1ptp4l241ktimersoftd/113:29:251
3272591480,1ptp4l241ktimersoftd/113:19:251
3272591480,1ptp4l241ktimersoftd/113:04:431
3272591470,1ptp4l241ktimersoftd/117:57:581
3272591470,1ptp4l241ktimersoftd/116:21:141
3272591460,1ptp4l241ktimersoftd/114:14:241
3272591450,1ptp4l241ktimersoftd/114:43:581
3272591450,1ptp4l241ktimersoftd/114:32:471
3272591450,1ptp4l241ktimersoftd/112:44:411
3272591450,1ptp4l241ktimersoftd/112:44:411
3272591440,1ptp4l241ktimersoftd/114:08:571
3272591440,1ptp4l241ktimersoftd/113:35:011
3272591440,1ptp4l241ktimersoftd/113:33:311
3272591430,14ptp4l241ktimersoftd/113:46:321
3272591420,1ptp4l241ktimersoftd/113:41:571
3272591420,1ptp4l241ktimersoftd/113:00:471
3272591410,1ptp4l241ktimersoftd/114:17:591
3272591400,1ptp4l241ktimersoftd/115:44:151
3272591320,1ptp4l241ktimersoftd/113:49:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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