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2024-07-27 - 14:22

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #7

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.

Note that this system runs a non-RT kernel.
Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot7s.osadl.org (updated Sat Jul 27, 2024 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5853210278,1004sleep35897-21ntpq22:16:223
20427296678,805sleep320457-21fschecks_count21:21:213
10866252516,492sleep210870-21df00:16:082
3876247826,435sleep03894-21/usr/sbin/munin22:11:020
14878247811,404sleep315013-21head21:01:463
14878247811,404sleep315013-21head21:01:463
839724090,15sleep112-21rcu_sched00:06:251
22892232241,260sleep00-21swapper/023:11:160
24604231414,287sleep024614-21irqstats23:16:130
20411230923,198sleep320441-21modprobe19:40:533
22564230382,203sleep322689-21latency_hist23:10:553
31770227315,113sleep331809-21fschecks_count21:56:153
8343225077,98sleep38289-21latency_hist22:25:553
2927224362,161sleep33001-21threads22:06:243
29089222736,104sleep329106-21fschecks_count23:31:103
19383220312,178sleep319405-21munin-run23:00:533
8953219985,81sleep38979-21ntp_kernel_pll_22:26:243
1771219829,109sleep313199-1kworker/3:2H23:46:253
261821870,65sleep30-21swapper/320:25:553
25344218177,86sleep30-21swapper/321:36:113
9857217430,105sleep39971-21timerwakeupswit20:46:523
13890216811,143sleep313938-21awk00:26:073
13890216811,143sleep313938-21awk00:26:073
20032216611,114sleep320045-21cron21:20:523
20032216611,114sleep320045-21cron21:20:523
8583215963,73sleep38733-21grep19:01:273
1208221548,131sleep312227-21sed19:11:253
30544214550,82sleep330546-21apt-get23:36:033
3023121439,119sleep330300-21fschecks_time21:51:183
28689213920,90sleep228712-21awk23:30:532
3451213529,40sleep33552-21grep23:51:253
12320213514,106sleep112339-21apt-get00:21:041
8714213426,24sleep38673-21apt-get20:45:553
21308213410,108sleep221404-21timerandwakeup19:41:252
8828213011,104sleep09047-21cat20:45:560
1475921307,46sleep30-21swapper/322:46:073
12418212832,18sleep30-21swapper/300:21:103
1297521278,63sleep313041-21date22:40:543
6704212622,82sleep16715-21modprobe22:20:531
23650212623,86sleep023141-21apt-get21:31:030
13577212435,71sleep313644-21systemd-run21:00:533
27833212332,78sleep327855-21ntpq23:26:173
19897212348,14sleep30-21swapper/323:01:133
3972212117,32sleep30-21swapper/320:30:533
14522212110,99sleep314500-21latency_hist22:45:553
24955212010,94sleep125076-21timerandwakeup23:16:221
2226521209,95sleep322311-21grep21:26:183
3247421198,88sleep30-21swapper/323:41:163
23834211718,11sleep30-21swapper/323:13:013
12099211526,18sleep30-21swapper/300:20:543
775321149,90sleep37814-21fschecks_time00:06:123
16247211421,27sleep30-21swapper/319:26:153
15797211312,18sleep30-21swapper/319:25:553
3159821129,44sleep331682-21apt-config20:15:553
16129211228,46sleep30-21swapper/321:06:233
13565211222,63sleep213576-21modprobe21:00:522
28924211134,66sleep328438-21/usr/sbin/munin20:06:223
27381211114,80sleep127457-21/usr/sbin/munin21:41:261
27381211114,80sleep127457-21/usr/sbin/munin21:41:261
27185211012,18sleep00-21swapper/023:25:540
13723211023,67sleep113831-21sed19:16:281
13723211023,67sleep113831-21sed19:16:281
3668210817,69sleep23794-21latency_hist22:10:562
4293210718,32sleep30-21swapper/320:31:093
4293210718,32sleep30-21swapper/320:31:093
17609210710,30sleep30-21swapper/319:31:083
9367210613,76sleep19458-21fschecks_time00:11:101
932210630,64sleep3991-21date20:20:563
956210565,20sleep30-21swapper/322:01:113
28224210517,70sleep1288-21dbus-daemon20:05:551
1654121049,81sleep316560-21apt-get22:51:043
2507021035,12sleep30-21swapper/319:55:433
21222210219,66sleep121286-21df23:06:081
921210115,66sleep2931-21unin-run20:20:552
26745210122,18sleep30-21swapper/321:41:043
26745210122,18sleep30-21swapper/321:41:043
21865210123,56sleep0373-21sshd23:06:230
9724210012,73sleep29762-21munin-node19:06:032
9724210012,73sleep29762-21munin-node19:06:032
9249210020,16sleep30-21swapper/300:11:043
24937210019,68sleep124963-21munin-run21:35:531
1602029914,65sleep216031-21/usr/sbin/munin21:06:172
1120329822,14sleep30-21swapper/319:10:563
624729727,34sleep00-21swapper/018:56:040
2662829617,63sleep026657-21munin-run20:00:530
2390429610,15sleep00-21swapper/019:51:120
976329516,20sleep30-21swapper/319:06:043
3055629512,21sleep130623-21df23:36:091
2157929523,53sleep221580-21cron21:25:522
14162959,61sleep00-21swapper/020:21:170
1355229510,72sleep313588-21switchtime19:16:263
1355229510,72sleep313588-21switchtime19:16:263
2854829423,41sleep20-21swapper/220:06:132
3270429310,68sleep1338-21sed23:41:221
2962829312,63sleep029747-21/usr/sbin/munin23:31:230
223422939,71sleep322413-21fschecks_time19:46:143
1756029320,55sleep30-21swapper/321:11:153
1277729313,65sleep112815-21processes20:56:231
2657529213,63sleep126708-21unixbench_multi23:21:271
2542729225,11sleep30-21swapper/323:18:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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