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2025-04-03 - 11:34
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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 792 highest latencies:
System rackfslot4.osadl.org (updated Thu Apr 03, 2025 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
293321260,2chrt2936-21wc22:25:340
2678521240,3chrt26777-21ps00:22:220
474521230,2chrt4744-21/usr/sbin/munin21:21:310
1586321190,2chrt15627-21sendmail-msp20:40:370
1028221180,2chrt9984-21sendmail-msp22:40:500
3059421140,3chrt27958-21sendmail-msp20:05:200
1990521070,2chrt19903-21users20:47:170
2236221020,2chrt22363-21sh20:51:560
168222990,2sleep016823-21mailstats19:36:240
108472890,2sleep010848-21stty20:30:270
14612870,2sleep01459-21if_err_eth022:22:200
56982860,2sleep05699-21aten2_rfpower_c19:16:170
147772780,2sleep014780-21irqrtprio21:42:240
55892760,1sleep05591-21wc20:20:050
325332700,2sleep032535-21grep00:35:080
13552679,44sleep01422-21python319:06:060
83242650,1sleep08326-21grep19:20:520
30222650,2sleep03020-21entropy19:10:340
231852650,1sleep023186-21hostname00:15:360
212832600,2sleep021284-21cat21:55:590
110092600,2sleep011010-21sh23:50:520
327022590,1sleep032703-21ssh22:19:420
195742573,6sleep019571-21ssh23:00:030
216782554,44sleep021639-21ntp_states23:04:370
180792553,43sleep017900-21sendmail-msp19:40:230
142692550,2sleep014273-21wc19:31:230
289232533,41sleep025606-21sendmail-msp00:27:470
18432523,7sleep01863-21/usr/sbin/munin20:11:240
92152512,7sleep09218-21ssh22:37:390
308032510,2chrt29161-21sendmail-msp23:23:020
76262502,5sleep0252-21jbd2/sda-821:28:510
57742502,40sleep05777-21sh23:38:310
278042500,2chrt27785-21ntpq23:16:410
129362500,3sleep012934-21ssh22:46:230
244042492,6sleep0294-21rs:main0
97562482,6sleep09757-21ssh21:32:120
167842482,38sleep016781-21diskstats00:01:410
137992480,1sleep013800-21if_eth120:35:420
264632473,37sleep025678-21sendmail-msp21:01:280
2566904717,23cyclictest0-21swapper21:38:500
215252473,7sleep021513-21ntp_states00:11:470
18652471,4sleep00-21swapper21:16:030
2566904618,21cyclictest0-21swapper00:39:000
235792463,35sleep023582-21df_inode20:55:300
322852452,36sleep032278-21ssh23:27:030
2566904519,19cyclictest0-21swapper21:10:120
2566904511,18cyclictest6599-21ssh23:40:540
279552440,1sleep027956-21fschecks_time22:10:480
256690446,11cyclictest8027-21munin-run20:25:050
2566904416,20cyclictest0-21swapper23:33:050
2566904412,25cyclictest13549-21sendmail-msp21:45:370
2566904412,15cyclictest27958-21sendmail-msp20:03:160
2566904411,18cyclictest9513-21ssh23:47:270
139442432,32sleep013070-21apt-get23:56:130
2566904219,15cyclictest23765-21ssh23:10:170
2566904216,11cyclictest252-21jbd2/sda-820:25:260
2566904212,23cyclictest25825-21ps22:05:340
219422420,3chrt21943-21sh19:47:100
256690415,16cyclictest14482-21df22:50:330
256690414,18cyclictest11475-21irqstats19:26:400
256690414,10cyclictest25678-21sendmail-msp21:05:270
2566904120,14cyclictest0-21swapper22:32:210
2566904118,16cyclictest19467-21ssh21:52:360
2566904114,21cyclictest0-21swapper23:08:520
2566904010,22cyclictest19209-21ssh00:07:150
2566903912,8cyclictest24112-21ntpq19:51:070
2566903715,13cyclictest25727-21/usr/sbin/munin19:55:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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