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2025-04-18 - 22:27
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Fri Apr 18, 2025 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1756521190,3chrt17485-21apt-get09:30:260
260521180,3chrt2597-21ntpq10:05:190
1731921180,3chrt15692-21sendmail-msp11:43:000
2636121170,4chrt22914-21sendmail-msp09:47:330
499821150,3chrt4991-21ssh11:17:220
1040421140,2chrt9726-21sendmail-msp10:21:270
1310421130,2chrt9726-21sendmail-msp10:28:010
2251021080,2sleep022508-21forks07:30:380
2891221010,1sleep028910-21timerwakeupswit09:52:140
1438221010,2chrt14383-21sleep08:18:430
177442900,1sleep017745-21df08:25:540
301082880,2sleep030110-21grep12:10:570
1047528710,20sleep010484-21ntpq07:05:420
47272850,2sleep04728-21cat08:00:020
116552840,2chrt11636-21ntpq11:31:530
112722800,2sleep011274-21sort08:11:470
158242790,1sleep015827-21sed08:21:470
116302790,2sleep011631-21cat09:16:460
240062750,2sleep024005-21ntpq08:37:080
314782680,1sleep031479-21ls07:47:450
285272680,1sleep028530-21cut08:46:380
220312680,2sleep022034-21sed10:45:510
52012660,2sleep05202-21aten2_rfpower_v08:01:050
295412660,1sleep029544-21aten2_rfpower_v11:01:090
278692640,2sleep027870-21fschecks_time07:41:250
192332610,1sleep019274-21cut10:40:000
41762583,7sleep04156-21ntpq12:23:370
70742553,6sleep020087-21kworker/u2:011:21:570
209872552,45sleep020990-21sh10:43:140
97522543,43sleep06149-21sendmail-msp11:28:530
190852543,43sleep015692-21sendmail-msp11:48:060
275262530,2sleep027527-21latency_hist08:45:060
211182523,41sleep021120-21ntpq07:27:320
173172523,7sleep017192-21apt-get07:20:470
259722513,7sleep025958-21diskstats12:01:380
198952512,6sleep019814-21apt-get11:50:270
40572490,3chrt43-21kswapd009:02:200
320962492,38sleep0252-21jbd2/sda-811:06:490
269682492,39sleep026965-21ssh10:55:590
11312483,36sleep01133-21python307:51:300
150502472,38sleep015041-21ssh10:31:240
11984904718,22cyclictest0-21swapper09:14:220
49172450,1sleep04916-21awk12:25:300
316302453,34sleep031632-21users08:51:310
130812454,33sleep013077-21ntpq07:10:530
11984904515,23cyclictest0-21swapper12:09:390
11984904512,16cyclictest0-21swapper11:38:560
11984904420,17cyclictest23580-21ssh09:41:250
11984904412,23cyclictest0-21swapper12:15:090
11984904410,16cyclictest0-21swapper09:26:250
1198490435,12cyclictest13987-21df09:21:170
1198490434,19cyclictest294-21rs:main0
11984904316,20cyclictest0-21swapper09:39:180
11984904315,22cyclictest23949-21ssh10:50:530
11984904314,21cyclictest0-21swapper11:13:300
11984904313,22cyclictest0-21swapper09:57:280
231282420,3chrt23124-21tune2fs11:55:520
1198490425,16cyclictest2273-21ntpq10:04:430
1198490425,11cyclictest6403-21ntpq09:06:580
1198490424,11cyclictest1242-21ntpq08:56:060
11984904216,9cyclictest19983-21sh08:30:270
1198490415,29cyclictest7526-21memory12:31:070
11984904118,16cyclictest0-21swapper10:13:390
11984904118,15cyclictest0-21swapper12:38:260
247472400,2sleep024745-21basename07:35:250
1198490395,26cyclictest14638-21apt-get07:15:170
11984903918,15cyclictest0-21swapper10:17:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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