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2026-04-20 - 20:52
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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 Mon Apr 20, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214112960,2sleep21372299cyclictest09:28:202
162982910,0sleep10-21swapper/112:01:281
214022770,1sleep021387-21sshd10:52:370
287132590,0sleep028706-21sshd12:24:460
38512580,0sleep30-21swapper/309:47:363
102372560,0sleep20-21swapper/211:33:172
227972550,0sleep30-21swapper/311:56:293
25562540,1sleep22554-21lspci10:37:092
15532540,0sleep20-21swapper/212:11:182
134222540,0sleep30-21swapper/310:32:343
239022530,0sleep20-21swapper/211:15:022
239022530,0sleep20-21swapper/211:15:022
205432530,0sleep30-21swapper/310:55:173
171822530,0sleep00-21swapper/012:12:400
72382520,0sleep20-21swapper/212:33:572
314862520,0sleep00-21swapper/011:46:090
300142520,2sleep31372799cyclictest12:24:533
310862510,0sleep20-21swapper/210:42:222
113652500,0sleep10-21swapper/111:22:141
113652500,0sleep10-21swapper/111:22:141
235342490,0sleep20-21swapper/210:19:392
191262490,0sleep00-21swapper/012:26:380
182952490,0sleep30-21swapper/311:31:103
33502480,0sleep00-21swapper/010:15:080
206112480,1sleep220609-21sshd11:45:142
177012440,0sleep00-21swapper/010:55:060
158942410,2sleep31372799cyclictest09:31:343
133962298,7sleep30-21swapper/307:07:193
133462299,6sleep20-21swapper/207:06:412
1328122716,7sleep10-21swapper/107:05:531
326042210,0sleep30-21swapper/312:16:443
132702219,7sleep00-21swapper/007:05:440
275402190,0sleep30-21swapper/310:25:253
13722991716,0cyclictest12609-21lspci10:54:412
107942170,0sleep010782-21cp12:09:240
297252160,2sleep3674-21dbus-daemon11:21:003
297252160,2sleep3674-21dbus-daemon11:21:003
253172160,0sleep20-21swapper/209:20:512
13722991514,0cyclictest321ktimersoftd/211:01:182
13710991514,0cyclictest19744-21kworker/0:409:18:140
103622150,0sleep20-21swapper/209:50:512
101932150,1sleep0620-17auditd10:24:020
36492140,0sleep00-21swapper/012:03:110
137922140,0sleep10-21swapper/110:54:471
1372799142,1cyclictest10753-21sshd11:13:543
13722991413,0cyclictest321ktimersoftd/211:28:542
13722991413,0cyclictest29225-21lspci09:47:002
13717991412,1cyclictest20129-21sshd11:28:371
13710991412,1cyclictest24701-21kworker/0:011:24:260
13710991412,1cyclictest24701-21kworker/0:011:24:250
95942130,0sleep30-21swapper/311:27:413
76902130,0sleep20-21swapper/210:59:482
304792130,0sleep030477-21sshd11:37:470
260372130,0sleep10-21swapper/110:03:161
13722991313,0cyclictest321ktimersoftd/207:24:582
1372299130,1cyclictest22956-21lspci10:05:412
13710991311,1cyclictest31633-21kworker/0:109:25:000
242232120,0sleep2311rcuc/209:57:362
160732120,0sleep10-21swapper/110:49:261
1372299121,9cyclictest31898-21sshd12:25:012
1372299121,1cyclictest33-21ksoftirqd/210:30:002
13722991211,0cyclictest321ktimersoftd/212:02:022
13722991211,0cyclictest321ktimersoftd/210:22:092
13722991211,0cyclictest29338-21lspci12:38:372
13722991211,0cyclictest15221-21lspci09:11:512
1372299120,1cyclictest29979-21gdbus11:53:412
1372299120,1cyclictest26999-21lspci10:03:212
1372299120,0cyclictest0-21swapper/212:16:212
13717991210,1cyclictest19639-21ntp_states08:40:171
13717991210,1cyclictest10611-21lspci10:18:311
13717991210,1cyclictest0-21swapper/109:26:171
1371799120,1cyclictest13348-21sshd09:15:271
1371799120,0cyclictest0-21swapper/111:58:171
13710991211,0cyclictest25169-21kworker/0:511:33:060
13710991211,0cyclictest18137-21kworker/0:109:46:080
13710991211,0cyclictest13968-21lspci11:14:110
13710991210,1cyclictest27695-21sshd11:43:050
13710991210,1cyclictest1-21systemd09:41:450
13710991210,1cyclictest0-21swapper/010:09:250
1371099120,11cyclictest2894-21sshd10:01:150
1372799119,1cyclictest0-21swapper/310:38:543
13727991110,0cyclictest0-21swapper/309:56:043
13727991110,0cyclictest0-21swapper/309:18:143
1372799110,10cyclictest0-21swapper/312:04:343
1372799110,10cyclictest0-21swapper/309:26:043
1372299119,1cyclictest33-21ksoftirqd/209:44:432
1372299111,1cyclictest131rcu_sched11:39:102
1372299111,1cyclictest131rcu_sched11:10:282
13722991110,0cyclictest0-21swapper/209:18:512
1372299110,1cyclictest13371-21lspci11:22:252
1372299110,1cyclictest13371-21lspci11:22:252
1372299110,0cyclictest0-21swapper/212:05:112
1371799119,1cyclictest9549-21sshd11:35:571
1371799119,1cyclictest674-21dbus-daemon12:24:571
1371799119,1cyclictest22524-21bash10:44:271
1371799119,1cyclictest0-21swapper/110:23:271
1371799110,10cyclictest9124-21sshd12:14:471
1371799110,10cyclictest0-21swapper/112:05:571
1371799110,0cyclictest0-21swapper/110:33:471
1371799110,0cyclictest0-21swapper/110:06:271
13710991110,0cyclictest25377-21lspci12:18:550
13710991110,0cyclictest0-21swapper/011:29:350
1371099110,10cyclictest1-21systemd10:41:150
1372799109,0cyclictest0-21swapper/311:18:243
1372799109,0cyclictest0-21swapper/311:18:243
1372799109,0cyclictest0-21swapper/310:15:543
1372799109,0cyclictest0-21swapper/309:10:443
1372799100,0cyclictest0-21swapper/312:11:043
1372799100,0cyclictest0-21swapper/308:24:443
1372299109,0cyclictest0-21swapper/210:31:312
1372299108,1cyclictest33-21ksoftirqd/211:05:052
1372299108,1cyclictest33-21ksoftirqd/210:45:232
1372299108,1cyclictest33-21ksoftirqd/209:38:302
1372299102,2cyclictest33-21ksoftirqd/209:33:302
1372299102,1cyclictest33-21ksoftirqd/212:23:292
1372299101,1cyclictest131rcu_sched10:10:332
13722991010,0cyclictest321ktimersoftd/207:57:262
13722991010,0cyclictest321ktimersoftd/207:57:262
1371799109,0cyclictest0-21swapper/111:49:271
1371799109,0cyclictest0-21swapper/109:53:571
1371799109,0cyclictest0-21swapper/109:10:571
13717991010,0cyclictest20396-21kworker/1:209:32:211
1371799100,0cyclictest1294-21lspci09:39:071
1371799100,0cyclictest0-21swapper/112:26:071
1371799100,0cyclictest0-21swapper/111:42:071
1371099109,0cyclictest32550irq/27-ahci[00010:32:590
1371099109,0cyclictest12603-21lspci11:05:400
1371099109,0cyclictest0-21swapper/007:12:150
1371099108,1cyclictest10243-21sshd11:16:350
1371099108,1cyclictest10243-21sshd11:16:350
1371099100,0cyclictest0-21swapper/009:53:250
22361290,0sleep00-21swapper/009:12:440
21147290,1sleep021142-21sshd11:59:100
137279998,0cyclictest0-21swapper/311:40:443
137279998,0cyclictest0-21swapper/309:38:543
137279998,0cyclictest0-21swapper/309:01:243
137279998,0cyclictest0-21swapper/307:17:143
137279997,1cyclictest24652-21sshd11:51:053
137279996,2cyclictest674-21dbus-daemon11:07:283
137229997,1cyclictest33-21ksoftirqd/211:41:082
137229990,1cyclictest121rcu_preempt11:55:282
137179998,0cyclictest0-21swapper/111:54:271
137179998,0cyclictest0-21swapper/110:27:171
137179995,3cyclictest699-21gdbus11:31:371
137179995,3cyclictest660-21avahi-daemon10:39:471
137109998,0cyclictest101ktimersoftd/010:13:570
137109998,0cyclictest0-21swapper/010:26:450
137109998,0cyclictest0-21swapper/009:30:150
137109996,2cyclictest9-21ksoftirqd/011:00:150
137109990,5cyclictest8368-21idleruntime-cro08:15:000
137109990,1cyclictest131rcu_sched11:50:130
137279987,0cyclictest0-21swapper/312:08:243
137279987,0cyclictest0-21swapper/309:09:143
137279987,0cyclictest0-21swapper/308:27:143
137279986,1cyclictest75750irq/24-eno1-rx-12:31:443
137279986,1cyclictest674-21dbus-daemon10:14:383
137279986,1cyclictest663-21ModemManager09:50:593
137279986,1cyclictest23541-21lspci09:40:583
137279985,2cyclictest699-21gdbus10:07:373
137279985,2cyclictest660-21avahi-daemon12:35:463
137279985,2cyclictest660-21avahi-daemon10:46:213
137279985,2cyclictest660-21avahi-daemon10:21:233
137279985,2cyclictest660-21avahi-daemon09:23:523
137279985,2cyclictest649-21polkitd11:45:123
137279984,3cyclictest674-21dbus-daemon10:54:193
137229988,0cyclictest321ktimersoftd/208:18:512
137229988,0cyclictest321ktimersoftd/208:01:272
137229986,1cyclictest33-21ksoftirqd/207:15:002
137179988,0cyclictest30652-21kworker/1:210:10:091
137179986,1cyclictest25-21ksoftirqd/111:19:181
137179986,1cyclictest25-21ksoftirqd/111:19:181
137179985,2cyclictest674-21dbus-daemon09:45:181
137179985,2cyclictest660-21avahi-daemon12:36:311
137179985,2cyclictest660-21avahi-daemon11:11:441
137179985,2cyclictest660-21avahi-daemon11:00:441
137179985,2cyclictest660-21avahi-daemon09:59:101
137179983,4cyclictest674-21dbus-daemon11:07:481
137179983,2cyclictest17504-21sshd09:43:151
137109987,0cyclictest30640-21kworker/0:309:56:120
137109987,0cyclictest0-21swapper/009:35:050
137109986,1cyclictest9-21ksoftirqd/012:31:020
137109986,1cyclictest9-21ksoftirqd/010:37:050
137109986,1cyclictest30403-21kworker/u8:110:46:370
137109981,1cyclictest121rcu_preempt12:36:420
137279975,1cyclictest660-21avahi-daemon12:25:543
137279975,1cyclictest10764-21lspci11:00:033
137279974,2cyclictest674-21dbus-daemon10:00:273
137279974,2cyclictest660-21avahi-daemon11:35:483
137279974,2cyclictest660-21avahi-daemon10:40:313
137279970,6cyclictest0-21swapper/308:30:043
137229977,0cyclictest321ktimersoftd/208:11:192
137229977,0cyclictest321ktimersoftd/207:44:032
137229977,0cyclictest321ktimersoftd/207:37:212
137179975,1cyclictest19256-21lspci10:55:131
137179974,2cyclictest20838-21sshd09:20:191
137179974,1cyclictest25-21ksoftirqd/112:30:131
137179972,2cyclictest674-21dbus-daemon12:15:401
137109975,1cyclictest660-21avahi-daemon09:26:150
19278260,0sleep20-21swapper/208:40:152
137279965,0cyclictest0-21swapper/308:59:543
137279965,0cyclictest0-21swapper/308:04:443
137279965,0cyclictest0-21swapper/307:58:143
137279965,0cyclictest0-21swapper/307:58:133
137279965,0cyclictest0-21swapper/307:43:143
137279962,2cyclictest31136-21sshd07:50:133
137279960,5cyclictest0-21swapper/308:42:043
137229966,0cyclictest321ktimersoftd/208:05:072
137229965,0cyclictest0-21swapper/209:05:012
137229964,1cyclictest660-21avahi-daemon07:35:002
137229963,2cyclictest1002-21snmpd07:10:022
137229960,5cyclictest0-21swapper/208:39:312
137229960,5cyclictest0-21swapper/207:51:212
137229960,3cyclictest649-21polkitd08:34:542
137179965,0cyclictest0-21swapper/108:07:371
137179964,1cyclictest649-21polkitd09:09:591
137179964,1cyclictest649-21polkitd07:54:551
137179963,2cyclictest1002-21snmpd08:27:471
137179963,2cyclictest1002-21snmpd08:12:041
137179963,2cyclictest1002-21snmpd07:39:181
137179960,0cyclictest0-21swapper/107:15:071
137109964,1cyclictest31128-21sshd09:09:530
137109963,2cyclictest1002-21snmpd09:04:000
137109963,2cyclictest1002-21snmpd08:46:270
137109963,2cyclictest1002-21snmpd08:38:140
137109963,2cyclictest1002-21snmpd08:33:020
137109963,2cyclictest1002-21snmpd08:07:490
137279954,0cyclictest0-21swapper/308:45:143
137279953,1cyclictest25109-21mii-tool07:35:143
137279953,1cyclictest23061-21cat07:30:143
137279953,1cyclictest19023-21cat07:20:133
137279953,1cyclictest17076-21head08:35:143
137279953,1cyclictest14320-21ls07:10:133
137279953,1cyclictest1002-21snmpd08:17:593
137279953,1cyclictest1002-21snmpd08:13:223
137279953,1cyclictest1002-21snmpd07:47:243
137279953,1cyclictest1002-21snmpd07:25:093
137279952,2cyclictest5963-21chrt08:05:523
137279952,2cyclictest1002-21snmpd08:50:063
137229954,0cyclictest0-21swapper/208:46:112
137229953,1cyclictest1705-21sendmail08:27:282
137229953,1cyclictest1002-21snmpd09:02:062
137229953,1cyclictest1002-21snmpd08:55:482
137229953,1cyclictest1002-21snmpd08:51:302
137229953,1cyclictest1002-21snmpd08:20:202
137229953,1cyclictest1002-21snmpd07:28:422
137229952,2cyclictest1002-21snmpd07:46:002
137179953,1cyclictest26414-21kworker/1:108:00:131
137179953,1cyclictest1705-21sendmail09:03:471
137179953,1cyclictest1705-21sendmail08:34:591
137179953,1cyclictest1705-21sendmail07:40:041
137179953,1cyclictest14482-21kworker/1:108:35:131
137179953,1cyclictest1002-21snmpd08:50:451
137179953,1cyclictest1002-21snmpd08:46:051
137179953,1cyclictest1002-21snmpd08:20:471
137179953,1cyclictest1002-21snmpd07:23:511
137179953,1cyclictest1002-21snmpd07:14:531
137179952,2cyclictest1002-21snmpd08:58:241
137179950,4cyclictest0-21swapper/107:49:471
137179950,1cyclictest21395-21awk07:25:161
137179950,0cyclictest0-21swapper/108:17:471
137179950,0cyclictest0-21swapper/107:55:571
137179950,0cyclictest0-21swapper/107:55:571
137109955,0cyclictest101ktimersoftd/007:55:450
137109955,0cyclictest101ktimersoftd/007:55:450
137109954,0cyclictest0-21swapper/008:20:050
137109953,1cyclictest23879-21sendmail_mailtr08:50:180
137109953,1cyclictest16946-21cat07:15:130
137109953,1cyclictest1088-21ntpd08:25:150
137109953,1cyclictest1082-21lldpd07:32:370
137109953,1cyclictest1002-21snmpd08:56:240
137109953,1cyclictest1002-21snmpd08:15:010
137109953,1cyclictest1002-21snmpd08:00:520
137109953,1cyclictest1002-21snmpd07:46:150
137109953,1cyclictest1002-21snmpd07:26:480
137109953,1cyclictest1002-21snmpd07:21:080
137109952,2cyclictest674-21dbus-daemon07:40:000
137109952,2cyclictest1002-21snmpd08:40:140
137109952,2cyclictest1002-21snmpd07:52:400
137179942,1cyclictest22617-21cpu07:30:121
137109942,1cyclictest24679-21grep07:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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