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2024-09-12 - 08:48
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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 rackeslot2.osadl.org (updated Thu Sep 12, 2024 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20064522800,1sleep00-21swapper/022:20:170
21412852790,2sleep00-21swapper/000:15:150
19501902460,1sleep00-21swapper/021:30:240
2420791340,1ptp4l175090irq/125-enp1s0-TxRx-000:10:153
2420791300,4ptp4l175090irq/125-enp1s0-TxRx-022:27:073
2420791290,7ptp4l175090irq/125-enp1s0-TxRx-020:05:093
20100272290,2sleep30-21swapper/322:20:233
2420791260,5ptp4l175090irq/125-enp1s0-TxRx-023:11:143
2420791260,5ptp4l175090irq/125-enp1s0-TxRx-020:20:123
2420791260,4ptp4l175090irq/125-enp1s0-TxRx-000:30:113
2420791250,4ptp4l175090irq/125-enp1s0-TxRx-000:15:253
2420791250,1ptp4l0-21swapper/320:59:563
2420791240,5ptp4l175090irq/125-enp1s0-TxRx-019:35:123
2420791240,4ptp4l175090irq/125-enp1s0-TxRx-020:30:173
2420791240,3ptp4l175090irq/125-enp1s0-TxRx-000:05:153
2420791240,2ptp4l0-21swapper/321:55:013
2420791230,5ptp4l175090irq/125-enp1s0-TxRx-022:45:133
2420791230,4ptp4l175090irq/125-enp1s0-TxRx-021:40:123
2420791230,4ptp4l175090irq/125-enp1s0-TxRx-020:42:383
2420791230,4ptp4l175090irq/125-enp1s0-TxRx-019:30:203
2420791230,3ptp4l175090irq/125-enp1s0-TxRx-023:55:173
2420791230,3ptp4l175090irq/125-enp1s0-TxRx-019:18:163
2420791230,3ptp4l175090irq/125-enp1s0-TxRx-000:25:213
2420791230,2ptp4l175090irq/125-enp1s0-TxRx-019:13:153
2420791230,2ptp4l0-21swapper/319:52:053
1777661992319,2cyclictest1862561-21sh20:20:010
2420791220,5ptp4l175090irq/125-enp1s0-TxRx-023:15:473
2420791220,5ptp4l175090irq/125-enp1s0-TxRx-021:20:213
2420791220,4ptp4l175090irq/125-enp1s0-TxRx-022:19:553
2420791220,4ptp4l175090irq/125-enp1s0-TxRx-022:12:143
2420791220,4ptp4l175090irq/125-enp1s0-TxRx-020:15:253
2420791220,4ptp4l175090irq/125-enp1s0-TxRx-019:24:223
2420791220,3ptp4l0-21swapper/320:10:193
1777663992219,2cyclictest0-21swapper/200:00:012
1777662992219,2cyclictest1956950-21sendmail21:40:001
2420791210,5ptp4l175090irq/125-enp1s0-TxRx-019:59:333
2420791210,3ptp4l175090irq/125-enp1s0-TxRx-023:25:023
214160822117,2sleep20-21swapper/200:15:192
211600422117,2sleep20-21swapper/223:50:222
210064822117,2sleep20-21swapper/223:40:202
205827122117,2sleep20-21swapper/223:05:132
186820722117,2sleep20-21swapper/220:22:172
186183422117,2sleep20-21swapper/220:15:232
179278822117,2sleep20-21swapper/219:20:172
2420791200,9ptp4l175090irq/125-enp1s0-TxRx-019:40:263
2420791200,7ptp4l175090irq/125-enp1s0-TxRx-019:25:193
2420791200,5ptp4l175090irq/125-enp1s0-TxRx-019:06:553
2420791200,4ptp4l175090irq/125-enp1s0-TxRx-000:35:273
2420791200,3ptp4l175090irq/125-enp1s0-TxRx-023:20:143
2420791200,3ptp4l175090irq/125-enp1s0-TxRx-023:05:183
2420791200,3ptp4l175090irq/125-enp1s0-TxRx-022:00:553
2420791200,1ptp4l0-21swapper/320:29:593
215811822017,2sleep20-21swapper/200:28:292
215207222017,2sleep20-21swapper/200:21:242
213444222017,2sleep20-21swapper/200:07:292
212842722017,2sleep20-21swapper/200:00:282
211078022017,2sleep20-21swapper/223:46:212
211078022017,2sleep20-21swapper/223:46:202
209897722017,2sleep20-21swapper/223:39:272
209299622017,2sleep20-21swapper/223:32:542
208700222017,2sleep20-21swapper/223:26:122
207539722017,2sleep20-21swapper/223:18:272
206929322017,2sleep20-21swapper/223:10:422
204556922017,2sleep20-21swapper/222:50:462
203401722017,2sleep20-21swapper/222:43:252
202181722017,2sleep20-21swapper/222:31:142
201621122017,2sleep20-21swapper/222:29:262
201016322017,2sleep20-21swapper/222:22:052
200417622017,2sleep20-21swapper/222:15:592
199840022017,2sleep20-21swapper/222:12:232
198654122017,2sleep20-21swapper/222:01:082
198062222017,2sleep20-21swapper/221:55:352
196930722017,2sleep20-21swapper/221:50:092
196259022017,2sleep20-21swapper/221:41:482
195677122017,2sleep20-21swapper/221:37:482
195089522017,2sleep20-21swapper/221:33:302
194493022017,2sleep20-21swapper/221:27:142
193324622017,2sleep20-21swapper/221:17:522
192719922017,2sleep20-21swapper/221:10:512
190971622017,2sleep20-21swapper/220:57:522
190378322017,2sleep20-21swapper/220:51:592
189803122017,2sleep20-21swapper/220:48:342
189223122017,2sleep20-21swapper/220:44:382
188610222017,2sleep20-21swapper/220:37:042
188025622017,2sleep20-21swapper/220:32:472
187414422017,2sleep20-21swapper/220:28:132
185051122017,2sleep20-21swapper/220:06:172
184489422017,2sleep20-21swapper/220:04:422
183289222017,2sleep20-21swapper/219:51:392
182114922017,2sleep20-21swapper/219:41:372
180947922017,2sleep20-21swapper/219:32:402
180317122017,2sleep20-21swapper/219:25:342
179167622017,2sleep20-21swapper/219:18:412
178321922017,2sleep20-21swapper/219:11:322
1777663992017,1cyclictest0-21swapper/200:40:012
1777662992017,2cyclictest1974990-21apt-key21:55:011
2420791190,9ptp4l175090irq/125-enp1s0-TxRx-021:05:173
2420791190,4ptp4l175090irq/125-enp1s0-TxRx-023:36:583
2420791190,4ptp4l175090irq/125-enp1s0-TxRx-022:36:173
2420791190,4ptp4l175090irq/125-enp1s0-TxRx-022:09:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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