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2024-11-02 - 12:35
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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 376 highest latencies:
System rackfslot4.osadl.org (updated Sat Nov 02, 2024 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2671821220,2chrt26717-21/usr/sbin/munin22:03:200
1934221210,2chrt18809-21apt-get20:50:500
2594821180,2sleep025951-21latency_hist20:00:070
2976821160,3chrt29770-21fschecks_time00:05:480
225621140,2chrt2257-21/usr/sbin/munin23:16:000
1161021140,2chrt11607-21uptime23:32:210
1529921130,2chrt15300-21df22:41:290
1390821130,2chrt13909-21sleep21:40:520
86521080,1sleep0867-21cut22:15:040
41321080,2chrt411-21df_inode21:16:040
2903221040,2chrt29033-21sleep21:09:210
2513321000,3chrt25134-21sh22:58:300
140782950,2sleep014076-21if_err_eth000:35:580
320822940,4chrt32084-21latency_hist21:15:070
321742910,1sleep032178-21irqrtprio23:11:070
164522880,1sleep016453-21cat21:45:080
52112840,3chrt4231-21sendmail-msp23:22:090
56492820,1sleep05651-21grep00:21:110
211142820,1sleep021116-21irqrtprio22:51:030
310792809,17sleep031088-21ntp_states19:05:520
55512780,1sleep05553-21tail21:25:310
165242780,2sleep016526-21cut23:42:160
121862780,1sleep012188-21sed19:31:260
195332770,2sleep019532-21ntpq23:47:010
98612750,1sleep09862-21if_eth122:30:590
35892690,1sleep03592-21tr20:20:010
96212623,8sleep09630-21open_files19:27:120
322762603,7sleep032273-21ntpq20:11:150
124872593,7sleep025713-21snmpd00:32:250
28172588,42sleep02821-21rm22:17:430
82752562,6sleep08277-21ssh23:26:320
154842562,45sleep015502-21sleep20:42:250
37322511,5sleep03602-21sendmail-msp20:20:110
144822513,40sleep014478-21ntp_states19:36:160
39002503,7sleep03885-21ssh22:20:580
27972503,40sleep02568-21sendmail-msp21:20:340
222482492,4sleep022250-21ssh23:51:530
75052482,37sleep07513-21ssh22:26:170
222382483,6sleep022164-21apt-get21:55:250
32486904713,18cyclictest26619-21apt-get00:00:270
297282473,36sleep029731-21ntpq20:06:150
321442462,37sleep032141-21ssh00:10:250
128482462,36sleep012859-21sleep20:36:300
32486904515,22cyclictest0-21swapper23:37:450
32486904514,25cyclictest26390-21diskstats23:01:460
193102451,4sleep00-21swapper19:45:490
89732440,2chrt8975-21irqrtprio21:31:020
3248690446,9cyclictest5111-21sendmail-msp19:20:470
3248690445,10cyclictest7295-21ntpq20:25:580
32486904417,20cyclictest0-21swapper22:08:460
32486904416,9cyclictest892-21sh00:16:510
254142443,34sleep025418-21ntpq23:57:390
174722443,34sleep017428-21apt-get22:45:200
3248690436,10cyclictest16535-21hddtemp_smartct19:41:350
3248690435,18cyclictest3782-21ntpq19:16:040
32486904217,10cyclictest252-21jbd2/sda-820:00:590
32486904214,21cyclictest0-21swapper22:38:190
3248690418,10cyclictest10954-21apt-get21:35:200
3248690415,19cyclictest18509-21sshd20:48:550
3248690414,9cyclictest22762-21ntpq20:55:580
32486904117,16cyclictest0-21swapper00:25:110
32486904116,19cyclictest24162-21sendmail-msp21:01:030
32486904115,20cyclictest20515-21ntpq21:51:190
3248690405,18cyclictest21913-21ntpq19:50:530
3248690404,18cyclictest29217-21diskmemload23:06:560
3248690385,15cyclictest1244-21ntpq19:11:060
3248690383,8cyclictest9636-21irqstats20:30:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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