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2024-04-20 - 08:35

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 Apr 20, 2024 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14280251185,5101sleep213013-21kworker/2:200:27:262
323312151815,1451sleep219949-1kworker/2:2H22:01:512
323312151815,1451sleep219949-1kworker/2:2H22:01:512
3059427586,737sleep219949-1kworker/2:2H21:57:272
7129264513,614sleep37122-21apt-get19:01:493
26054261415,583sleep326061-21users19:57:093
26054261415,583sleep326061-21users19:57:093
4327260110,577sleep24272-21/usr/sbin/munin22:16:372
188625608,538sleep01892-21ntpq22:07:020
11961244317,408sleep311963-21sshd22:37:263
21026239086,200sleep221155-21unixbench_multi23:07:052
21026239086,200sleep221155-21unixbench_multi23:07:052
32648235714,300sleep232690-21true20:21:362
30708233210,213sleep230761-21sendmail_mailqu23:37:022
30708233210,213sleep230761-21sendmail_mailqu23:37:022
1841422699,248sleep01166-21snmpd23:00:210
1157222620,10sleep10-21swapper/120:56:391
9453224743,176sleep20-21swapper/222:31:522
12853224319,207sleep312915-21cat22:42:033
4927223854,160sleep24957-21fschecks_count22:17:262
25339223524,200sleep225384-21unin-run21:41:362
524722299,18sleep20-21swapper/220:36:542
10814222454,153sleep210956-21unixbench_singl20:52:332
6784221643,79sleep20-21swapper/220:41:552
27263221632,84sleep227368-21fschecks_time21:46:532
27263221632,84sleep227368-21fschecks_time21:46:532
30670221313,186sleep330680-21ntpq23:36:593
30670221313,186sleep330680-21ntpq23:36:593
11699221328,114sleep211713-21fschecks_count20:56:532
11798221218,181sleep211850-21cpuspeed00:21:492
2431221146,112sleep20-21swapper/220:27:012
16312221045,78sleep20-21swapper/219:27:122
29519220717,164sleep329532-21apt20:11:353
9524220514,113sleep21-21systemd20:51:362
26718218013,112sleep20-21swapper/220:01:532
26718218013,112sleep20-21swapper/220:01:532
25600217514,125sleep21166-21snmpd21:41:482
9992216938,88sleep2288-21dbus-daemon19:11:372
3044221689,65sleep20-21swapper/220:12:072
3044221689,65sleep20-21swapper/220:12:072
580216767,83sleep20-21swapper/223:46:352
22305216073,24sleep20-21swapper/223:12:062
10063215518,124sleep310141-21grep22:32:093
11430215411,126sleep011570-21cat20:56:390
25729214968,16sleep20-21swapper/223:22:042
28901214751,82sleep229020-21cat20:07:062
2908421459,124sleep229096-21grep21:52:022
8749214252,20sleep20-21swapper/200:11:552
8749214252,20sleep20-21swapper/200:11:552
1252621425,11sleep10-21swapper/119:16:491
1829214148,74sleep20-21swapper/222:07:002
2025621409,119sleep220328-21date19:41:382
10343214013,108sleep19987-21apt-get19:11:401
12254213817,89sleep20-21swapper/219:16:382
56821346,15sleep20-21swapper/220:21:562
29274213315,93sleep129364-21sed23:32:171
29274213315,93sleep129364-21sed23:32:171
22276213250,38sleep212-21rcu_sched21:31:382
25366212937,35sleep20-21swapper/219:56:562
25366212937,35sleep20-21swapper/219:56:562
24840212920,90sleep224869-21latency_hist19:56:362
24840212920,90sleep224869-21latency_hist19:56:362
22961212717,85sleep20-21swapper/221:32:032
22961212717,85sleep20-21swapper/221:32:032
11874212717,96sleep011879-21df00:21:510
19150212650,42sleep219171-21unin-run21:21:372
14125212512,89sleep20-21swapper/219:21:552
3577212447,36sleep20-21swapper/220:31:492
3577212447,36sleep20-21swapper/220:31:492
10734212433,24sleep20-21swapper/200:17:042
19493212352,56sleep219573-21tune2fs21:21:532
5320212212,98sleep25370-21wc00:01:382
28821212216,61sleep20-21swapper/223:32:052
28821212216,61sleep20-21swapper/223:32:052
20955212014,35sleep120975-21/usr/sbin/munin19:42:051
7007211943,16sleep20-21swapper/222:22:072
18579211919,75sleep018789-21latency_hist19:36:390
12176211918,79sleep012178-21cron19:16:360
27468211810,62sleep20-21swapper/223:27:092
27468211810,62sleep20-21swapper/223:27:092
25837211610,18sleep10-21swapper/121:41:591
27715211415,83sleep027727-21/usr/sbin/munin23:27:110
27715211415,83sleep027727-21/usr/sbin/munin23:27:110
31034211210,91sleep00-21swapper/020:16:040
31034211210,91sleep00-21swapper/020:16:040
10711211025,66sleep1231-21systemd-journal22:36:351
10960210913,80sleep310008-21/usr/sbin/munin20:52:343
7661210817,70sleep17806-21latency_hist22:26:381
7191210720,70sleep07206-21sort00:06:530
22047210710,82sleep022048-21sshd21:29:260
856210613,79sleep0880-21netstat20:22:020
831221060,7sleep00-21swapper/020:46:530
32358210313,72sleep332318-21apt-get22:02:123
32358210313,72sleep332318-21apt-get22:02:123
2350921028,42sleep20-21swapper/223:16:382
2350921028,42sleep20-21swapper/223:16:382
13843210247,18sleep20-21swapper/219:21:382
25350210119,54sleep325369-21fschecks_count23:21:533
376221009,28sleep23764-21munin-run23:56:372
3008329930,33sleep10-21swapper/121:56:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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