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2025-12-17 - 17:14
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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 rack2slot0.osadl.org (updated Wed Dec 17, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48232910,0sleep34822-21sshd11:44:583
192582760,0sleep3391rcuc/311:46:113
273552600,1sleep127349-21sshd10:45:341
273552600,1sleep127349-21sshd10:45:331
210032580,0sleep00-21swapper/009:54:530
120172560,1sleep3391rcuc/310:35:213
212252540,0sleep30-21swapper/310:50:513
212252540,0sleep30-21swapper/310:50:513
315072520,0sleep30-21swapper/312:36:573
296402520,0sleep20-21swapper/210:51:382
296402520,0sleep20-21swapper/210:51:382
326642510,0sleep00-21swapper/011:09:310
292862510,0sleep20-21swapper/210:22:192
202492510,0sleep00-21swapper/011:49:160
92642500,1sleep1241ktimersoftd/110:44:001
72422500,0sleep2311rcuc/211:24:472
316022500,0sleep10-21swapper/110:54:501
316022500,0sleep10-21swapper/110:54:501
268392500,0sleep10-21swapper/112:13:081
301772490,0sleep30-21swapper/310:11:223
261432480,0sleep226144-21lspci10:07:062
184122480,0sleep30-21swapper/310:59:283
138632480,0sleep30-21swapper/311:31:093
188352470,0sleep00-21swapper/012:24:080
226522460,0sleep20-21swapper/211:37:482
221122460,0sleep10-21swapper/110:14:211
122082460,0sleep00-21swapper/010:35:220
266312450,1sleep09-21ksoftirqd/009:21:290
238222450,0sleep10-21swapper/111:02:511
138512450,0sleep00-21swapper/010:26:450
132102450,0sleep30-21swapper/309:49:593
141172430,1sleep114115-21lspci12:06:081
1480723219,7sleep30-21swapper/307:05:273
1480723219,7sleep30-21swapper/307:05:273
1596723126,3sleep00-21swapper/007:08:560
1596723126,3sleep00-21swapper/007:08:560
159432309,7sleep10-21swapper/107:08:371
159432309,7sleep10-21swapper/107:08:371
142612219,7sleep20-21swapper/207:05:062
142612219,7sleep20-21swapper/207:05:062
282992200,0sleep00-21swapper/009:59:420
207692200,1sleep020765-21sshd11:58:010
302842170,0sleep00-21swapper/012:33:580
300462170,0sleep10-21swapper/109:55:501
94552160,0sleep30-21swapper/310:16:353
76492160,0sleep30-21swapper/312:20:113
39172160,0sleep33915-21sshd09:23:323
1616699164,3cyclictest723-21gdbus12:15:351
1616699163,3cyclictest674-21dbus-daemon11:17:511
48152150,1sleep14818-21grep09:45:051
259382150,0sleep20-21swapper/207:30:162
215322150,0sleep30-21swapper/311:52:163
189752150,0sleep00-21swapper/012:38:460
163072150,0sleep00-21swapper/011:43:040
1616699154,3cyclictest674-21dbus-daemon10:57:231
1616699154,2cyclictest674-21dbus-daemon10:28:181
1616699153,3cyclictest7375-21df12:20:101
1616699153,3cyclictest674-21dbus-daemon12:33:181
1616699153,3cyclictest674-21dbus-daemon10:30:121
1616699153,3cyclictest29979-21gdbus11:13:111
1616699153,2cyclictest1-21systemd12:02:281
1616699152,3cyclictest9225-21grepconf.sh11:54:061
68032140,0sleep10-21swapper/109:17:331
326302140,0sleep00-21swapper/011:53:160
316952140,0sleep00-21swapper/012:13:350
227302140,0sleep10-21swapper/110:06:401
16172991413,0cyclictest0-21swapper/310:21:083
1616799141,12cyclictest26449-21sshd09:59:282
1616699144,3cyclictest674-21dbus-daemon11:34:031
1616699144,3cyclictest674-21dbus-daemon10:18:141
1616699144,3cyclictest29979-21gdbus11:56:501
1616699144,3cyclictest22138-21bash12:36:051
1616699143,3cyclictest674-21dbus-daemon11:29:051
1616699143,3cyclictest674-21dbus-daemon10:35:471
1616699143,3cyclictest1-21systemd11:23:101
1616699143,3cyclictest0-21swapper/111:44:081
1616699143,2cyclictest12612-21id11:45:331
1616699142,5cyclictest674-21dbus-daemon10:24:481
1616699142,5cyclictest4151-21bash09:45:001
1616699142,3cyclictest23218-21grep09:35:381
315832130,0sleep2311rcuc/211:15:132
289082130,0sleep3391rcuc/309:51:483
232442130,0sleep00-21swapper/009:39:350
211182130,0sleep20-21swapper/211:55:112
1616799134,2cyclictest33-21ksoftirqd/210:25:162
16167991312,0cyclictest11145-21lspci11:30:532
16167991311,1cyclictest33-21ksoftirqd/211:26:292
1616799130,12cyclictest0-21swapper/211:07:382
1616699134,3cyclictest674-21dbus-daemon11:07:301
1616699134,2cyclictest649-21polkitd09:14:021
1616699133,3cyclictest649-21polkitd11:35:451
1616699133,3cyclictest649-21polkitd09:33:271
1616699133,2cyclictest9194-21sshd12:26:071
1616699133,2cyclictest15171-21bash09:50:111
1616699132,4cyclictest1-21systemd09:28:581
16162991311,1cyclictest21105-21lspci11:11:190
1616299130,1cyclictest370-21jbd2/sda1-810:56:390
16172991210,1cyclictest674-21dbus-daemon09:42:283
1617299120,11cyclictest28997-21bash09:59:483
1616799124,3cyclictest33-21ksoftirqd/212:24:462
1616799122,3cyclictest33-21ksoftirqd/210:47:192
1616799122,3cyclictest33-21ksoftirqd/210:47:192
1616799121,2cyclictest33-21ksoftirqd/212:14:532
16167991210,1cyclictest0-21swapper/211:14:082
1616799120,11cyclictest3708-21sshd12:02:182
1616799120,0cyclictest0-21swapper/212:26:582
1616699123,2cyclictest4080-21bash10:00:311
1616699122,2cyclictest31211-21sshd09:22:271
1617299119,1cyclictest15400-21bash10:32:493
16172991110,0cyclictest0-21swapper/310:07:083
1617299110,10cyclictest0-21swapper/312:27:383
1617299110,10cyclictest0-21swapper/311:58:283
1617299110,10cyclictest0-21swapper/309:14:583
1617299110,0cyclictest0-21swapper/309:19:183
1616799113,3cyclictest33-21ksoftirqd/212:16:292
1616799113,1cyclictest33-21ksoftirqd/209:30:062
1616799111,1cyclictest33-21ksoftirqd/212:38:332
16167991110,0cyclictest0-21swapper/210:32:082
1616799110,10cyclictest0-21swapper/211:48:482
1616799110,10cyclictest0-21swapper/211:00:292
1616699112,3cyclictest18309-21irqstats07:15:001
16162991110,0cyclictest0-21swapper/010:44:290
16162991110,0cyclictest0-21swapper/009:44:290
1616299110,10cyclictest0-21swapper/010:01:290
1616299110,0cyclictest0-21swapper/007:25:190
1617299109,0cyclictest0-21swapper/311:38:083
1617299108,1cyclictest26257-21bash12:18:593
1617299108,1cyclictest25680-21cp11:00:083
1617299100,0cyclictest0-21swapper/312:33:083
1616799109,0cyclictest0-21swapper/209:21:182
1616799108,1cyclictest0-21swapper/209:51:082
1616799103,1cyclictest33-21ksoftirqd/212:30:432
1616799103,1cyclictest33-21ksoftirqd/211:50:362
1616799103,1cyclictest33-21ksoftirqd/209:44:372
1616799101,3cyclictest33-21ksoftirqd/212:05:352
1616799101,2cyclictest121rcu_preempt10:35:082
1616799101,1cyclictest33-21ksoftirqd/210:44:082
1616799101,1cyclictest33-21ksoftirqd/210:11:362
1616799101,1cyclictest131rcu_sched09:45:252
1616799100,1cyclictest33-21ksoftirqd/210:57:012
1616799100,1cyclictest131rcu_sched11:40:352
1616699109,0cyclictest0-21swapper/107:22:021
1616699102,5cyclictest9846-21cat08:10:141
1616699102,5cyclictest22547-21unixbench_singl08:40:191
1616699102,5cyclictest1376-21wc07:50:141
1616699102,3cyclictest25569-21uname07:30:131
1616699102,3cyclictest23239-21/usr/sbin/munin08:45:171
1616699100,9cyclictest0-21swapper/108:26:141
1616299108,1cyclictest31789-21sshd11:35:390
1616299100,0cyclictest0-21swapper/011:17:500
1616299100,0cyclictest0-21swapper/010:12:290
1616299100,0cyclictest0-21swapper/009:28:390
161729998,0cyclictest0-21swapper/312:14:483
161729998,0cyclictest0-21swapper/311:07:383
161729998,0cyclictest0-21swapper/307:10:383
161729997,1cyclictest6541-21lspci10:49:383
161729997,1cyclictest6541-21lspci10:49:383
161679998,0cyclictest0-21swapper/209:29:082
161679993,3cyclictest699-21gdbus09:38:062
161679992,1cyclictest33-21ksoftirqd/210:00:242
161679991,1cyclictest33-21ksoftirqd/210:15:162
161679991,1cyclictest33-21ksoftirqd/209:11:362
161669998,0cyclictest0-21swapper/109:05:031
161669993,5cyclictest29117-21/usr/sbin/munin07:40:171
161669993,2cyclictest6146-21wc08:00:191
161669992,4cyclictest29417-21ls09:00:111
161669992,4cyclictest25469-21ls08:50:131
161669992,3cyclictest19674-21if_err_eno208:35:141
161669992,3cyclictest18004-21ntp_states08:30:171
161669992,3cyclictest13109-21cpuspeed_turbos08:20:111
161629998,0cyclictest0-21swapper/009:12:090
161629997,1cyclictest2520-21lspci12:25:290
161729987,0cyclictest23298-21sshd11:20:183
161729987,0cyclictest0-21swapper/309:36:583
161729986,1cyclictest30731-21lspci12:01:493
161729986,1cyclictest26236-21lspci10:03:183
161729985,2cyclictest660-21avahi-daemon11:10:013
161729985,2cyclictest649-21polkitd10:41:473
161729983,2cyclictest674-21dbus-daemon10:29:133
161679982,3cyclictest674-21dbus-daemon07:30:002
161679980,2cyclictest121rcu_preempt09:15:552
161669987,0cyclictest0-21swapper/108:16:131
161669983,4cyclictest6952-21/usr/sbin/munin08:05:131
161669982,4cyclictest32499-21sed07:45:191
161669982,2cyclictest3929-21sensors07:55:191
161669982,2cyclictest28534-21timerwakeupswit08:55:201
161669982,2cyclictest27156-21wc07:35:131
161669982,2cyclictest18424-21ntpq07:15:011
161629987,0cyclictest0-21swapper/012:04:390
161629986,1cyclictest7693-21lspci09:49:180
161629986,1cyclictest674-21dbus-daemon09:31:230
161629986,1cyclictest4510-21lspci12:05:160
161629986,1cyclictest15751-21grep10:17:220
161629986,1cyclictest0-21swapper/011:23:390
161629986,1cyclictest0-21swapper/011:04:290
11211280,2sleep31617299cyclictest11:25:083
161729975,1cyclictest20204-21lspci09:26:433
161729974,2cyclictest674-21dbus-daemon12:06:163
161729974,2cyclictest674-21dbus-daemon11:16:273
161729974,2cyclictest660-21avahi-daemon09:33:573
161729970,6cyclictest0-21swapper/308:22:183
161679972,1cyclictest649-21polkitd07:59:552
161669974,2cyclictest23576-21cat07:25:141
161629976,0cyclictest0-21swapper/009:19:390
161629975,1cyclictest660-21avahi-daemon12:16:450
161629975,1cyclictest660-21avahi-daemon10:51:220
161629975,1cyclictest660-21avahi-daemon10:51:220
161629975,1cyclictest660-21avahi-daemon10:47:480
161629975,1cyclictest660-21avahi-daemon10:47:480
161629974,2cyclictest660-21avahi-daemon11:33:310
161629974,2cyclictest660-21avahi-daemon11:27:550
161629974,2cyclictest660-21avahi-daemon10:32:080
161629974,2cyclictest660-21avahi-daemon10:08:540
161629974,2cyclictest29979-21gdbus10:20:480
161729965,0cyclictest0-21swapper/308:35:193
161729965,0cyclictest0-21swapper/307:40:183
161729964,1cyclictest1002-21snmpd08:31:133
161729963,2cyclictest1002-21snmpd08:45:073
161729963,2cyclictest1002-21snmpd08:42:103
161729963,2cyclictest1002-21snmpd08:16:453
161729963,2cyclictest1002-21snmpd08:10:343
161729963,2cyclictest1002-21snmpd07:27:413
161729960,5cyclictest0-21swapper/309:00:483
161729960,5cyclictest0-21swapper/307:37:083
161729960,5cyclictest0-21swapper/307:15:383
161679964,1cyclictest33-21ksoftirqd/209:10:002
161679964,1cyclictest33-21ksoftirqd/208:05:002
161679963,2cyclictest27072-21dump-pmu-power08:55:002
161679963,2cyclictest1002-21snmpd08:42:552
161679963,2cyclictest1002-21snmpd08:24:522
161679963,2cyclictest1002-21snmpd07:46:482
161679960,5cyclictest0-21swapper/208:17:182
161629964,1cyclictest674-21dbus-daemon08:50:000
161629963,2cyclictest1002-21snmpd08:11:210
161629963,2cyclictest1002-21snmpd07:45:330
161629963,2cyclictest1002-21snmpd07:16:320
161629960,5cyclictest0-21swapper/008:08:190
161729954,0cyclictest0-21swapper/308:25:383
161729953,1cyclictest660-21avahi-daemon08:03:553
161729953,1cyclictest29103-21sadc09:00:003
161729953,1cyclictest1002-21snmpd09:05:263
161729953,1cyclictest1002-21snmpd08:50:313
161729953,1cyclictest1002-21snmpd08:05:153
161729953,1cyclictest1002-21snmpd07:55:123
161729953,1cyclictest1002-21snmpd07:50:483
161729953,1cyclictest1002-21snmpd07:22:233
161729952,2cyclictest1002-21snmpd07:30:503
161729950,4cyclictest32254-21switchtime07:45:183
161679954,0cyclictest0-21swapper/208:55:582
161679954,0cyclictest0-21swapper/208:12:082
161679953,1cyclictest33-21ksoftirqd/208:50:002
161679953,1cyclictest33-21ksoftirqd/208:10:002
161679953,1cyclictest27573-21cat07:35:152
161679953,1cyclictest19429-21cat07:15:132
161679953,1cyclictest1081-21df_inode07:50:112
161679953,1cyclictest1002-21snmpd09:00:232
161679953,1cyclictest1002-21snmpd08:30:102
161679953,1cyclictest1002-21snmpd07:41:002
161679953,1cyclictest1002-21snmpd07:23:542
161679953,1cyclictest1002-21snmpd07:10:022
161679952,2cyclictest16557-21sshd08:25:592
161679952,2cyclictest1002-21snmpd08:35:102
161629953,1cyclictest649-21polkitd07:40:000
161629953,1cyclictest25566-21irqstats07:30:130
161629953,1cyclictest1705-21sendmail08:20:170
161629953,1cyclictest16840-21mii-tool07:10:270
161629953,1cyclictest11510-21cat08:15:140
161629953,1cyclictest1082-21lldpd09:01:070
161629953,1cyclictest1002-21snmpd08:40:430
161629953,1cyclictest1002-21snmpd08:36:370
161629953,1cyclictest1002-21snmpd08:30:280
161629953,1cyclictest1002-21snmpd08:03:090
161629953,1cyclictest1002-21snmpd07:56:450
161629953,1cyclictest1002-21snmpd07:20:530
161629952,2cyclictest1002-21snmpd08:53:410
161629950,4cyclictest0-21swapper/008:55:090
161629950,4cyclictest0-21swapper/008:27:090
161629950,0cyclictest0-21swapper/009:05:300
161629942,1cyclictest1002-21snmpd07:35:080
161629941,2cyclictest1343-21uname07:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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