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2025-12-24 - 11:21
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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 highest latencies:
System rackdslot1.osadl.org (updated Wed Dec 24, 2025 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1646321420,4sleep22586499cyclictest00:35:142
25863997234,4cyclictest25-21ksoftirqd/119:40:001
25863996735,9cyclictest25-21ksoftirqd/120:20:001
25863996633,3cyclictest25-21ksoftirqd/100:00:001
25863996533,8cyclictest25-21ksoftirqd/119:55:281
25863996531,7cyclictest25-21ksoftirqd/122:10:001
25863996433,8cyclictest25-21ksoftirqd/123:30:191
25863996429,4cyclictest25-21ksoftirqd/120:00:311
25863996428,7cyclictest25-21ksoftirqd/119:15:291
134491640,4ptp4l0-21swapper/320:20:253
25863996337,4cyclictest25-21ksoftirqd/122:40:001
25863996334,8cyclictest25-21ksoftirqd/119:25:161
25863996332,3cyclictest25-21ksoftirqd/120:54:591
25863996331,8cyclictest25-21ksoftirqd/123:15:161
25863996331,4cyclictest25-21ksoftirqd/100:25:291
25863996330,6cyclictest25-21ksoftirqd/120:45:181
25863996328,6cyclictest25-21ksoftirqd/123:40:181
25863996328,4cyclictest25-21ksoftirqd/100:35:261
2586299630,8cyclictest0-21swapper/023:25:000
25863996230,8cyclictest25-21ksoftirqd/119:50:001
25863996229,4cyclictest25-21ksoftirqd/100:10:181
25863996228,4cyclictest25-21ksoftirqd/122:19:591
25863996227,8cyclictest25-21ksoftirqd/119:20:161
25863996226,4cyclictest25-21ksoftirqd/121:10:241
25863996223,10cyclictest25-21ksoftirqd/119:10:271
25863996132,3cyclictest25-21ksoftirqd/121:35:131
25863996130,8cyclictest25-21ksoftirqd/100:00:171
25863996130,6cyclictest25-21ksoftirqd/121:15:211
25863996129,9cyclictest25-21ksoftirqd/120:10:311
25863996128,6cyclictest25-21ksoftirqd/123:35:201
25863996124,4cyclictest25-21ksoftirqd/119:50:201
134491610,4ptp4l0-21swapper/322:10:303
25863996031,7cyclictest25-21ksoftirqd/120:40:001
25863996029,3cyclictest25-21ksoftirqd/122:50:181
25863996028,8cyclictest25-21ksoftirqd/121:45:241
25863996028,7cyclictest25-21ksoftirqd/123:50:191
25863996028,7cyclictest25-21ksoftirqd/119:40:171
25863996027,9cyclictest25-21ksoftirqd/122:59:591
25863996025,3cyclictest25-21ksoftirqd/123:10:001
25862996013,30cyclictest4483-21sed20:40:290
2586499595,13cyclictest0-21swapper/221:10:212
25863995931,8cyclictest25-21ksoftirqd/121:07:281
25863995929,8cyclictest25-21ksoftirqd/121:20:271
25863995928,8cyclictest25-21ksoftirqd/121:55:201
25863995928,8cyclictest25-21ksoftirqd/121:50:271
25863995928,8cyclictest25-21ksoftirqd/120:40:161
25863995927,9cyclictest25-21ksoftirqd/119:30:271
25863995927,9cyclictest25-21ksoftirqd/119:30:261
25863995927,8cyclictest25-21ksoftirqd/120:20:181
25863995927,3cyclictest25-21ksoftirqd/100:20:141
25863995925,7cyclictest25-21ksoftirqd/121:40:121
25863995924,6cyclictest25-21ksoftirqd/123:15:001
134491590,5ptp4l0-21swapper/323:12:323
25863995830,8cyclictest25-21ksoftirqd/121:05:001
25863995829,8cyclictest25-21ksoftirqd/122:30:151
25863995828,8cyclictest25-21ksoftirqd/120:25:261
25863995828,8cyclictest25-21ksoftirqd/120:05:151
25863995828,7cyclictest25-21ksoftirqd/122:25:281
25863995825,8cyclictest25-21ksoftirqd/122:00:211
25863995825,5cyclictest25-21ksoftirqd/100:35:001
134491580,3ptp4l0-21swapper/223:40:062
134491580,3ptp4l0-21swapper/020:10:230
25863995728,7cyclictest25-21ksoftirqd/100:15:251
25863995726,8cyclictest25-21ksoftirqd/100:05:311
25863995726,7cyclictest25-21ksoftirqd/122:40:151
25863995726,7cyclictest25-21ksoftirqd/122:40:151
25863995724,3cyclictest25-21ksoftirqd/123:25:121
25863995724,3cyclictest25-21ksoftirqd/123:25:001
25863995722,4cyclictest25-21ksoftirqd/123:00:311
134491570,4ptp4l0-21swapper/300:35:423
134491570,4ptp4l0-21swapper/023:57:500
25863995626,7cyclictest25-21ksoftirqd/123:45:271
25863995626,7cyclictest25-21ksoftirqd/122:15:011
25863995625,7cyclictest25-21ksoftirqd/120:55:221
25863995625,4cyclictest25-21ksoftirqd/121:30:291
2586499550,10cyclictest18442-21cat22:20:192
25863995528,3cyclictest25-21ksoftirqd/120:30:201
25863995519,3cyclictest25-21ksoftirqd/122:20:211
25863995517,8cyclictest25-21ksoftirqd/122:45:201
134491550,4ptp4l0-21swapper/323:47:493
134491550,3ptp4l0-21swapper/322:17:563
134491550,11ptp4l0-21swapper/322:42:263
134491550,11ptp4l0-21swapper/322:42:263
2586499546,13cyclictest0-21swapper/223:50:582
25863995422,10cyclictest25-21ksoftirqd/121:25:271
2586499531,10cyclictest20451-21cut22:25:192
25862995311,21cyclictest1317-21runrttasks22:36:050
134491530,4ptp4l0-21swapper/322:34:493
134491530,4ptp4l0-21swapper/321:50:013
134491530,4ptp4l0-21swapper/321:08:563
134491530,4ptp4l0-21swapper/319:50:233
134491530,4ptp4l0-21swapper/019:05:180
2586499529,6cyclictest0-21swapper/219:20:262
2586499521,11cyclictest22993-21sed21:20:202
134491520,4ptp4l0-21swapper/322:59:483
134491520,3ptp4l0-21swapper/020:22:320
134491510,4ptp4l0-21swapper/321:22:143
2586499508,6cyclictest0-21swapper/222:15:182
2586499508,6cyclictest0-21swapper/220:25:242
2586499507,10cyclictest0-21swapper/219:10:172
134491500,4ptp4l0-21swapper/322:46:263
134491500,4ptp4l0-21swapper/322:06:023
134491500,4ptp4l0-21swapper/320:30:243
134491500,4ptp4l0-21swapper/300:17:503
134491500,13ptp4l0-21swapper/221:40:222
2586499497,7cyclictest0-21swapper/221:30:252
2586499490,11cyclictest2984-21grep20:40:152
134491490,3ptp4l23014-21if_enp4s023:40:183
134491490,12ptp4l0-21swapper/021:45:150
2586499486,5cyclictest0-21swapper/222:35:212
25862994829,17cyclictest9-21ksoftirqd/019:15:000
134491480,4ptp4l0-21swapper/321:45:553
2586499478,6cyclictest0-21swapper/223:00:192
2586499478,5cyclictest0-21swapper/221:45:172
2586499472,6cyclictest0-21swapper/221:55:202
25862994729,15cyclictest9-21ksoftirqd/021:40:110
2586499466,5cyclictest0-21swapper/200:25:192
2586499460,8cyclictest12890-21if_err_enp1s021:00:212
134491460,4ptp4l0-21swapper/322:25:143
134491460,4ptp4l0-21swapper/300:33:123
134491460,4ptp4l0-21swapper/300:28:023
134491460,3ptp4l0-21swapper/021:22:210
134491460,3ptp4l0-21swapper/019:23:030
2586499457,6cyclictest0-21swapper/222:05:242
2586499456,6cyclictest0-21swapper/220:35:272
2586499452,6cyclictest0-21swapper/220:00:172
2586499452,6cyclictest0-21swapper/219:15:242
2586499451,5cyclictest0-21swapper/200:00:152
2586499450,10cyclictest21886-21cut20:10:212
134491450,4ptp4l22509-21apt-get23:40:140
134491450,4ptp4l16160-21apt-get00:35:100
134491450,3ptp4l121rcu_preempt19:58:320
134491450,3ptp4l0-21swapper/023:14:560
134491450,3ptp4l0-21swapper/021:36:340
134491450,3ptp4l0-21swapper/020:53:130
134491450,3ptp4l0-21swapper/019:26:410
134491450,10ptp4l0-21swapper/023:03:250
2586499447,5cyclictest0-21swapper/219:55:262
134491440,9ptp4l0-21swapper/223:20:052
134491440,9ptp4l0-21swapper/220:23:122
134491440,5ptp4l0-21swapper/223:17:032
134491440,4ptp4l13864-21apt-get00:30:120
134491440,4ptp4l0-21swapper/323:01:133
134491440,4ptp4l0-21swapper/321:18:313
134491440,3ptp4l0-21swapper/323:22:283
134491440,2ptp4l121rcu_preempt22:32:120
134491440,10ptp4l0-21swapper/200:10:242
134491440,10ptp4l0-21swapper/022:57:400
2586499436,5cyclictest0-21swapper/223:25:242
2586499436,5cyclictest0-21swapper/200:05:272
2586499435,11cyclictest0-21swapper/222:55:172
2586499432,6cyclictest0-21swapper/222:03:412
134691430,4getstats0-21swapper/000:05:110
134491430,3ptp4l17900-21apt-get23:30:130
134491430,3ptp4l0-21swapper/323:07:163
134491430,3ptp4l0-21swapper/322:22:503
2586499427,7cyclictest0-21swapper/219:25:282
2586499426,6cyclictest0-21swapper/222:50:132
2586499423,10cyclictest0-21swapper/221:28:262
134491420,5ptp4l0-21swapper/200:15:112
134491420,5ptp4l0-21swapper/020:25:240
134491420,4ptp4l0-21swapper/321:43:123
134491420,3ptp4l16513-21ls22:15:280
2586499416,5cyclictest0-21swapper/220:50:122
134491410,5ptp4l2586599cyclictest23:55:143
134491410,5ptp4l23649-21basename22:30:262
134491410,5ptp4l0-21swapper/300:10:183
134491410,4ptp4l6175-21meminfo20:45:200
134491410,4ptp4l3812-21diskstats21:50:162
134491410,4ptp4l29146-21df21:35:132
134491410,4ptp4l28937-21apt-get21:35:133
134491410,4ptp4l24907-21iostat21:25:170
134491410,4ptp4l19841-21apt-get22:25:120
134491410,4ptp4l18881-21apt-get20:05:122
134491410,4ptp4l0-21swapper/323:29:563
134491410,4ptp4l0-21swapper/322:00:263
134491410,4ptp4l0-21swapper/300:05:383
134491410,4ptp4l0-21swapper/023:25:220
134491410,4ptp4l0-21swapper/022:05:540
134491410,4ptp4l0-21swapper/021:10:270
134491410,4ptp4l0-21swapper/019:35:140
134491410,4ptp4l0-21swapper/000:21:190
134491410,3ptp4l5799-21apt-get21:55:130
134491410,3ptp4l30661-21apt-get20:30:132
134491410,3ptp4l29533-21apt-get22:45:120
134491410,3ptp4l26642-21apt-get21:30:130
134491410,3ptp4l20875-21ls21:15:250
134491410,3ptp4l0-21swapper/321:56:483
2586499404,7cyclictest0-21swapper/219:39:162
25864994026,12cyclictest33-21ksoftirqd/200:24:122
2586499401,16cyclictest20405-21meminfo21:15:202
134491400,8ptp4l0-21swapper/323:50:203
134491400,5ptp4l6634-21df_abs23:05:142
134491400,5ptp4l0-21swapper/119:05:191
134491400,5ptp4l0-21swapper/023:05:270
134491400,5ptp4l0-21swapper/019:45:200
134491400,4ptp4l28359-21ntp_states22:40:242
134491400,4ptp4l28359-21ntp_states22:40:242
134491400,4ptp4l0-21swapper/319:15:213
134491400,4ptp4l0-21swapper/300:03:223
134491400,4ptp4l0-21swapper/223:35:272
134491400,4ptp4l0-21swapper/221:05:162
134491400,4ptp4l0-21swapper/219:53:532
134491400,4ptp4l0-21swapper/219:40:202
134491400,4ptp4l0-21swapper/023:45:160
134491400,4ptp4l0-21swapper/023:35:570
134491400,4ptp4l0-21swapper/023:16:090
134491400,4ptp4l0-21swapper/022:53:180
134491400,4ptp4l0-21swapper/022:23:100
134491400,4ptp4l0-21swapper/020:30:280
134491400,4ptp4l0-21swapper/020:08:030
134491400,4ptp4l0-21swapper/019:50:200
134491400,4ptp4l0-21swapper/019:40:170
134491400,4ptp4l0-21swapper/000:02:380
134491400,3ptp4l2967-21df19:30:140
134491400,3ptp4l2967-21df19:30:140
2586499394,16cyclictest15434-21ls00:30:282
134491390,5ptp4l0-21swapper/022:10:170
134491390,4ptp4l10613-21ps20:55:160
134491390,4ptp4l0-21swapper/323:35:083
134491390,4ptp4l0-21swapper/323:30:263
134491390,4ptp4l0-21swapper/321:28:203
134491390,4ptp4l0-21swapper/320:05:443
134491390,4ptp4l0-21swapper/319:35:593
134491390,4ptp4l0-21swapper/300:20:443
134491390,4ptp4l0-21swapper/223:45:182
134491390,4ptp4l0-21swapper/223:30:322
134491390,4ptp4l0-21swapper/222:45:102
134491390,4ptp4l0-21swapper/220:58:302
134491390,4ptp4l0-21swapper/220:45:432
134491390,4ptp4l0-21swapper/220:16:382
134491390,4ptp4l0-21swapper/219:46:512
134491390,4ptp4l0-21swapper/219:31:132
134491390,4ptp4l0-21swapper/219:31:132
134491390,4ptp4l0-21swapper/023:51:150
134491390,4ptp4l0-21swapper/022:42:040
134491390,4ptp4l0-21swapper/022:42:040
134491390,4ptp4l0-21swapper/021:53:090
134491390,4ptp4l0-21swapper/021:01:340
134491390,4ptp4l0-21swapper/020:18:380
134491390,4ptp4l0-21swapper/020:01:580
134491390,4ptp4l0-21swapper/000:27:570
134491390,4ptp4l0-21swapper/000:15:440
134491390,4ptp4l0-21swapper/000:10:130
134491390,3ptp4l8693-21apt-get23:10:142
134491390,3ptp4l3872-21ls20:40:223
134491390,3ptp4l29214-21apt-get23:55:012
134491390,3ptp4l28190-21apt-get19:15:120
134491390,3ptp4l14651-21apt-get21:05:130
134491390,3ptp4l0-21swapper/320:15:403
134491390,3ptp4l0-21swapper/222:13:132
134491390,3ptp4l0-21swapper/022:00:150
134491380,4ptp4l25040-21cpuspeed_turbos22:35:153
134491380,4ptp4l0-21swapper/322:52:053
134491380,4ptp4l0-21swapper/320:25:583
134491380,4ptp4l0-21swapper/319:44:083
134491380,4ptp4l0-21swapper/020:36:180
134491380,3ptp4l0-21swapper/323:15:363
134491380,3ptp4l0-21swapper/319:12:333
134491370,4ptp4l0-21swapper/321:30:163
134491370,4ptp4l0-21swapper/320:11:353
134491370,4ptp4l0-21swapper/319:46:333
134491370,3ptp4l0-21swapper/321:04:543
134491370,3ptp4l0-21swapper/320:50:343
134491370,3ptp4l0-21swapper/320:48:163
134491370,3ptp4l0-21swapper/320:02:043
134491370,3ptp4l0-21swapper/319:58:383
134491360,4ptp4l0-21swapper/319:22:133
134491360,3ptp4l0-21swapper/321:14:303
134491360,3ptp4l0-21swapper/320:58:073
134491360,3ptp4l0-21swapper/319:26:373
134491350,4ptp4l0-21swapper/320:39:543
46198320,26rtkit-daemon24235-21apache219:09:133
134491240,4ptp4l0-21swapper/319:32:403
134491240,4ptp4l0-21swapper/319:32:393
234582172,9sleep223470-21bc19:05:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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