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2025-05-02 - 12:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack3slot2.osadl.org (updated Fri May 02, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227291922990,3chrt2272914-21awk22:40:020
227403222860,4chrt2274027-21ssh22:42:020
228355622500,3chrt2283560-21latency23:10:360
227806622500,4chrt2278020-21/usr/sbin/munin22:55:090
226980622460,2sleep02269805-21/usr/sbin/munin22:30:290
226451022400,2sleep02264512-21grep22:15:140
224125622400,3chrt2241242-21ntpq21:05:400
225647322360,4chrt2256467-21ntpq21:51:160
223722122360,3chrt2237219-21ntpq20:51:070
229300522340,3chrt22-21kcompactd023:38:070
226833422340,4chrt2268331-21ntpq22:25:490
221306322170,2sleep02213066-21wc19:25:070
229386022140,2sleep02293863-21sort23:40:410
226360722120,2sleep02263609-21grep22:11:580
224852022080,3sleep02248519-21sshd21:27:390
231208821930,2sleep02312089-21sh00:35:040
227834021930,3chrt2278341-21mii-tool22:55:300
227547321890,2sleep02275474-21proc_pri22:46:530
230453621810,3chrt2303727-21/usr/sbin/munin00:11:560
220879799181152,19cyclictest2235534-21kworker/u2:021:00:060
220879799181151,19cyclictest2243615-21kworker/u2:321:20:060
220879799177148,19cyclictest2298150-21kworker/u2:323:55:040
224267321760,2sleep02242676-21ntp_kernel_err21:10:480
220879799175141,23cyclictest2300228-40ogrotate00:00:380
222410221710,3chrt2224103-21sh20:05:030
220879799171137,23cyclictest2255827-21true21:50:040
228888021690,4chrt2288879-21ssh23:26:050
220879799169139,20cyclictest2260516-21kworker/u2:222:25:060
221725121680,4chrt2217253-21sed19:40:070
225841021670,4chrt2258412-21grep21:56:560
222751321670,3chrt2227511-21ntpq20:16:150
222872821660,3chrt2228718-21ntpq20:20:360
230544021630,4chrt2305442-21sort00:15:120
223591821630,4chrt2235914-21ps20:46:210
220879799163133,19cyclictest2267377-21kworker/u2:123:01:580
220879799162135,18cyclictest2282974-21kworker/u2:323:20:060
220879799162132,19cyclictest2287168-21kworker/u2:023:25:060
229090321610,4chrt2290899-21ssh23:31:570
220879799161130,19cyclictest2246841-21kworker/u2:221:35:310
220879799160130,19cyclictest2296295-21kworker/u2:123:55:290
220879799158131,17cyclictest2307930-21readlink00:21:580
220879799153124,19cyclictest2210572-21kworker/u2:019:16:190
222583121520,2sleep02225833-21cat20:10:300
220879799152123,19cyclictest2218856-21kworker/u2:120:35:060
220879799150120,19cyclictest2206477-21kworker/u2:119:35:050
220879799148115,21cyclictest2296295-21kworker/u2:123:50:010
220879799147118,19cyclictest2235534-21kworker/u2:021:22:010
220879799145114,19cyclictest2206477-21kworker/u2:119:10:040
220879799141112,18cyclictest2281165-21kworker/u2:223:05:150
220879799141112,18cyclictest2257339-21kworker/u2:122:10:070
220879799140112,18cyclictest2296295-21kworker/u2:100:05:190
220879799140109,20cyclictest84-21jbd2/mmcblk0p2-00:30:080
220879799138108,19cyclictest2206477-21kworker/u2:119:25:460
220879799137107,19cyclictest2248775-21kworker/u2:022:05:040
220879799137105,21cyclictest2235534-21kworker/u2:021:05:070
220879799136107,19cyclictest2233838-21kworker/u2:220:45:030
220879799134105,19cyclictest2214853-21kworker/u2:019:55:060
220879799131101,19cyclictest2311907-21kworker/u2:300:35:470
220879799131101,19cyclictest2214853-21kworker/u2:019:45:020
22087979913099,19cyclictest2206477-21kworker/u2:119:11:190
220879799130100,19cyclictest2241160-21kworker/u2:121:31:100
22087979912899,18cyclictest2218856-21kworker/u2:120:25:430
22087979912898,19cyclictest84-21jbd2/mmcblk0p2-21:41:170
22087979912495,18cyclictest2231045-21kworker/u2:020:36:170
22087979912294,18cyclictest2221311-21kworker/u2:219:55:490
22087979911789,19cyclictest2218856-21kworker/u2:120:06:190
22087979911789,17cyclictest2214853-21kworker/u2:019:50:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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