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2026-03-31 - 00:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Mon Mar 30, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305992211160,25sleep00-21swapper/007:09:330
305992211160,25sleep00-21swapper/007:09:330
304412201161,26sleep30-21swapper/307:07:313
304412201161,26sleep30-21swapper/307:07:313
305472200159,26sleep20-21swapper/207:08:552
305472200159,26sleep20-21swapper/207:08:552
306102199158,27sleep10-21swapper/107:09:421
306102199158,27sleep10-21swapper/107:09:421
268802920,1sleep03072899cyclictest09:14:110
323242590,0sleep10-21swapper/110:44:281
30753991414,0cyclictest35-21ksoftirqd/312:37:533
30745991414,0cyclictest28-21ksoftirqd/212:14:582
30745991413,1cyclictest28-21ksoftirqd/211:46:512
30745991413,1cyclictest28-21ksoftirqd/207:59:592
30753991313,0cyclictest35-21ksoftirqd/311:09:353
30745991312,1cyclictest28-21ksoftirqd/209:37:002
30745991311,1cyclictest28-21ksoftirqd/211:25:002
30728991311,1cyclictest24907-21munin-run08:05:000
30728991310,1cyclictest9-21ksoftirqd/009:30:000
3075399129,2cyclictest28179-21cut11:20:123
3075399129,2cyclictest26353-21df_inode12:00:143
3075399127,4cyclictest17495-21apt-get10:25:123
30753991212,0cyclictest35-21ksoftirqd/312:27:493
30753991210,0cyclictest341rcuc/310:32:513
30745991211,1cyclictest28-21ksoftirqd/212:10:002
30745991211,1cyclictest28-21ksoftirqd/211:53:202
30745991211,1cyclictest28-21ksoftirqd/211:40:472
30745991211,1cyclictest28-21ksoftirqd/209:56:442
30745991211,1cyclictest28-21ksoftirqd/208:50:002
30745991211,1cyclictest28-21ksoftirqd/208:35:002
30745991210,1cyclictest28-21ksoftirqd/211:10:182
30745991210,1cyclictest28-21ksoftirqd/209:40:232
3075399119,1cyclictest9795-21timerandwakeup10:55:213
3075399119,1cyclictest1927-21threads10:45:203
3075399118,2cyclictest2698-21cat12:10:223
3075399118,2cyclictest2242-21fschecks_time07:15:153
3075399118,2cyclictest12095-21tr08:45:133
3075399118,2cyclictest0-21swapper/311:35:163
3075399118,1cyclictest35-21ksoftirqd/308:05:003
3075399112,8cyclictest341rcuc/310:51:223
3075399112,8cyclictest341rcuc/310:51:223
3075399112,8cyclictest341rcuc/310:36:503
3075399112,8cyclictest341rcuc/309:35:103
30753991111,0cyclictest35-21ksoftirqd/312:23:163
30753991111,0cyclictest23358-21diskmemload10:08:323
3074599119,1cyclictest28-21ksoftirqd/212:30:002
3074599119,1cyclictest28-21ksoftirqd/209:45:172
3074599119,1cyclictest28-21ksoftirqd/209:10:142
3074599112,8cyclictest10319-21wc12:20:182
30745991110,1cyclictest28-21ksoftirqd/210:35:002
30745991110,1cyclictest28-21ksoftirqd/209:50:142
30745991110,1cyclictest28-21ksoftirqd/207:15:142
3075399109,1cyclictest35-21ksoftirqd/307:20:133
3075399108,1cyclictest6043-21aten_r1power_fr10:10:123
3075399108,1cyclictest32440-21apt-get08:20:123
3075399108,1cyclictest30056-21aten_r1power_cu08:15:113
3075399108,1cyclictest0-21swapper/311:25:123
3075399107,2cyclictest11279-21smartctl11:40:153
3075399107,1cyclictest35-21ksoftirqd/312:30:283
3075399103,7cyclictest35-21ksoftirqd/309:46:173
3075399102,7cyclictest341rcuc/309:00:103
3075399102,1cyclictest35-21ksoftirqd/311:52:103
3075399101,8cyclictest341rcuc/311:15:043
3075399101,8cyclictest341rcuc/310:42:123
3075399101,8cyclictest32422-21ssh12:07:503
3075399100,9cyclictest15784-21ssh10:21:183
3074599109,1cyclictest28-21ksoftirqd/211:55:162
3074599109,1cyclictest28-21ksoftirqd/210:55:202
3074599109,1cyclictest28-21ksoftirqd/210:45:132
3074599109,1cyclictest28-21ksoftirqd/209:00:202
3074599109,1cyclictest28-21ksoftirqd/207:45:002
3074599109,1cyclictest271rcuc/212:15:212
3074599108,1cyclictest28-21ksoftirqd/212:35:202
3074599108,1cyclictest28-21ksoftirqd/208:50:152
3074599108,1cyclictest28-21ksoftirqd/208:00:142
30745991010,0cyclictest28-21ksoftirqd/210:00:222
30745991010,0cyclictest0-21swapper/210:11:572
3072899109,1cyclictest9-21ksoftirqd/008:55:000
217182100,0sleep00-21swapper/009:47:150
307539999,0cyclictest35-21ksoftirqd/311:45:373
307539999,0cyclictest35-21ksoftirqd/309:30:473
307539999,0cyclictest35-21ksoftirqd/309:20:193
307539999,0cyclictest35-21ksoftirqd/309:15:353
307539999,0cyclictest35-21ksoftirqd/309:11:533
307539999,0cyclictest35-21ksoftirqd/307:55:213
307539999,0cyclictest35-21ksoftirqd/307:34:553
307539998,1cyclictest0-21swapper/311:30:133
307539998,1cyclictest0-21swapper/309:55:213
307539998,1cyclictest0-21swapper/309:28:223
307539997,2cyclictest31732-21smartctl07:10:193
307539997,1cyclictest5310-21cut12:15:133
307539995,4cyclictest0-21swapper/311:10:143
307539994,3cyclictest341rcuc/307:50:183
307539992,6cyclictest11005-21ssh10:15:193
307539991,8cyclictest35-21ksoftirqd/308:57:463
307539991,8cyclictest35-21ksoftirqd/308:11:003
307539991,8cyclictest341rcuc/308:34:023
307539991,7cyclictest35-21ksoftirqd/311:55:023
307539991,1cyclictest341rcuc/309:43:023
307539990,8cyclictest341rcuc/311:00:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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