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2026-07-12 - 07:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot1.osadl.org (updated Sun Jul 12, 2026 00:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1986021500,2sleep20-21swapper/221:12:042
1986021500,2sleep20-21swapper/221:12:042
3100021250,3chrt0-21swapper/322:40:593
3100021250,3chrt0-21swapper/322:40:593
3100021250,3chrt0-21swapper/322:40:593
1367521240,2sleep30-21swapper/320:58:103
1367521240,2sleep30-21swapper/320:58:103
2148221170,4sleep20-21swapper/223:08:272
2148221170,4sleep20-21swapper/223:08:272
2148221170,4sleep20-21swapper/223:08:272
94382970,3chrt0-21swapper/322:15:593
288602950,3chrt0-21swapper/300:35:543
288602950,3chrt0-21swapper/300:35:543
288602950,3chrt0-21swapper/300:35:543
288602950,3chrt0-21swapper/300:35:543
177622930,2sleep121-21ksoftirqd/121:10:541
177622930,2sleep121-21ksoftirqd/121:10:541
224072830,3sleep10-21swapper/121:52:101
224072830,3sleep10-21swapper/121:52:101
224072830,3sleep10-21swapper/121:52:101
159962810,3sleep30-21swapper/319:36:123
159962810,3sleep30-21swapper/319:36:123
159962810,3sleep30-21swapper/319:36:123
302742720,3sleep30-21swapper/323:59:003
302742720,3sleep30-21swapper/323:59:003
302742720,3sleep30-21swapper/323:59:003
74232710,2chrt7424-21/usr/sbin/munin20:41:092
74232710,2chrt7424-21/usr/sbin/munin20:41:092
305082710,4sleep30-21swapper/321:23:383
305082710,4sleep30-21swapper/321:23:383
305082710,4sleep30-21swapper/321:23:383
257672670,2sleep10-21swapper/123:53:201
257672670,2sleep10-21swapper/123:53:201
15382650,2sleep10-21swapper/120:26:051
15382650,2sleep10-21swapper/120:26:051
15382650,2sleep10-21swapper/120:26:051
277032640,3sleep10-21swapper/120:10:501
277032640,3sleep10-21swapper/120:10:501
259042640,3chrt0-21swapper/221:18:352
288062630,3sleep20-21swapper/223:56:182
288062630,3sleep20-21swapper/223:56:182
288062630,3sleep20-21swapper/223:56:182
177342630,2sleep1201rcuc/100:21:131
177342630,2sleep1201rcuc/100:21:131
139182630,2sleep10-21swapper/119:31:111
139182630,2sleep10-21swapper/119:31:111
139182630,2sleep10-21swapper/119:31:111
40572610,3sleep30-21swapper/321:31:023
40572610,3sleep30-21swapper/321:31:023
286932590,3sleep10-21swapper/100:35:441
286932590,3sleep10-21swapper/100:35:441
286932590,3sleep10-21swapper/100:35:441
286932590,3sleep10-21swapper/100:35:441
61362580,2chrt0-21swapper/223:30:092
61362580,2chrt0-21swapper/223:30:092
294332580,3sleep30-21swapper/300:36:063
294332580,3sleep30-21swapper/300:36:063
294332580,3sleep30-21swapper/300:36:063
193672580,3sleep30-21swapper/322:26:083
193672580,3sleep30-21swapper/322:26:083
192642580,3sleep30-21swapper/319:46:043
192642580,3sleep30-21swapper/319:46:043
49132560,3sleep30-21swapper/322:47:383
49132560,3sleep30-21swapper/322:47:383
49132560,3sleep30-21swapper/322:47:383
264352560,3chrt0-21swapper/121:57:001
264352560,3chrt0-21swapper/121:57:001
264352560,3chrt0-21swapper/121:57:001
174482550,2sleep117559-21sed21:46:121
174482550,2sleep117559-21sed21:46:121
174482550,2sleep117559-21sed21:46:121
63222540,3sleep05396-21ls19:11:100
59592540,3sleep20-21swapper/219:11:042
170692540,6sleep217067-21fschecks_time19:41:012
128032540,3sleep10-21swapper/122:19:031
314002520,3chrt0-21swapper/100:38:091
314002520,3chrt0-21swapper/100:38:091
314002520,3chrt0-21swapper/100:38:091
121692520,3sleep212153-21timerwakeupswit22:56:132
121692520,3sleep212153-21timerwakeupswit22:56:132
121692520,3sleep212153-21timerwakeupswit22:56:132
692999512,28cyclictest32382-40gzip00:01:100
692999512,28cyclictest32382-40gzip00:01:100
103682510,2sleep210435-21cat19:21:132
103682510,2sleep210435-21cat19:21:132
87442500,3sleep00-21swapper/020:46:010
87442500,3sleep00-21swapper/020:46:010
87442500,3sleep00-21swapper/020:46:010
300662500,3sleep20-21swapper/220:16:012
300662500,3sleep20-21swapper/220:16:012
250152500,3sleep00-21swapper/023:51:580
250152500,3sleep00-21swapper/023:51:580
221442490,3chrt0-21swapper/022:30:110
221442490,3chrt0-21swapper/022:30:110
321032480,3sleep20-21swapper/222:04:452
321032480,3sleep20-21swapper/222:04:452
282642480,3sleep30-21swapper/322:00:163
282642480,3sleep30-21swapper/322:00:163
282642480,3sleep30-21swapper/322:00:163
318552470,3sleep10-21swapper/122:41:091
318552470,3sleep10-21swapper/122:41:091
318552470,3sleep10-21swapper/122:41:091
284092470,3sleep00-21swapper/000:35:150
284092470,3sleep00-21swapper/000:35:150
284092470,3sleep00-21swapper/000:35:150
284092470,3sleep00-21swapper/000:35:150
104792470,3chrt0-21swapper/322:55:143
104792470,3chrt0-21swapper/322:55:143
104792470,3chrt0-21swapper/322:55:143
110152460,3sleep30-21swapper/323:36:013
99532440,3sleep30-21swapper/321:37:173
99532440,3sleep30-21swapper/321:37:173
99532440,3sleep30-21swapper/321:37:173
209002440,2sleep00-21swapper/021:13:300
209002440,2sleep00-21swapper/021:13:300
82282430,3sleep20-21swapper/200:11:102
82282430,3sleep20-21swapper/200:11:102
324282430,2sleep30-21swapper/323:21:513
324282430,2sleep30-21swapper/323:21:513
324282430,2sleep30-21swapper/323:21:513
137082430,2sleep00-21swapper/019:31:060
137082430,2sleep00-21swapper/019:31:060
137082430,2sleep00-21swapper/019:31:060
157752420,3sleep00-21swapper/022:21:150
157752420,3sleep00-21swapper/022:21:150
80692410,2sleep30-21swapper/300:11:063
80692410,2sleep30-21swapper/300:11:063
6929994117,17cyclictest38150irq/55-eth000:00:540
6929994117,17cyclictest38150irq/55-eth000:00:540
6929994117,17cyclictest38150irq/55-eth000:00:540
248682410,6sleep333-21ksoftirqd/320:01:073
248682410,6sleep333-21ksoftirqd/320:01:073
248682410,6sleep333-21ksoftirqd/320:01:073
120212410,3sleep30-21swapper/319:26:113
120212410,3sleep30-21swapper/319:26:113
76982400,3chrt7697-21ssh22:51:072
76982400,3chrt7697-21ssh22:51:072
76982400,3chrt7697-21ssh22:51:072
693199402,27cyclictest32143-21memory00:01:052
693199402,27cyclictest32143-21memory00:01:052
236682400,1sleep333-21ksoftirqd/321:16:113
129072400,2sleep20-21swapper/221:41:052
129072400,2sleep20-21swapper/221:41:052
52422390,3sleep30-21swapper/320:36:043
52422390,3sleep30-21swapper/320:36:043
177642390,2sleep217765-21sh23:43:442
177642390,2sleep217765-21sh23:43:442
177642390,2sleep217765-21sh23:43:442
155562390,3sleep30-21swapper/300:19:583
155562390,3sleep30-21swapper/300:19:583
118382390,3chrt0-21swapper/000:16:010
278842380,3chrt0-21swapper/221:21:002
278842380,3chrt0-21swapper/221:21:002
278842380,3chrt0-21swapper/221:21:002
154362380,9sleep333-21ksoftirqd/321:44:323
154362380,9sleep333-21ksoftirqd/321:44:323
267512370,2sleep30-21swapper/323:16:003
267512370,2sleep30-21swapper/323:16:003
267512370,2sleep30-21swapper/323:16:003
18822370,3sleep10-21swapper/122:06:121
18822370,3sleep10-21swapper/122:06:121
122542370,3sleep00-21swapper/021:40:590
122542370,3sleep00-21swapper/021:40:590
122542370,3sleep00-21swapper/021:40:590
23692350,3chrt0-21swapper/123:25:501
23692350,3chrt0-21swapper/123:25:501
23692350,3chrt0-21swapper/123:25:501
200442350,1sleep219183-21/usr/sbin/munin23:46:102
200442350,1sleep219183-21/usr/sbin/munin23:46:102
693099342,27cyclictest728-21taskset00:01:431
693099342,27cyclictest728-21taskset00:01:431
262942340,3sleep00-21swapper/021:19:090
4192330,1sleep00-21swapper/022:05:560
4192330,1sleep00-21swapper/022:05:560
131032330,2sleep10-21swapper/122:57:381
131032330,2sleep10-21swapper/122:57:381
131032330,2sleep10-21swapper/122:57:381
75202300,3sleep10-21swapper/119:16:001
693099307,6cyclictest13203-21find20:56:131
693099307,6cyclictest13203-21find20:56:131
6930993016,9cyclictest73-21kswapd023:41:011
6930993016,9cyclictest73-21kswapd023:41:011
68022305,17sleep16868-21/usr/sbin/munin19:11:151
5622300,2sleep1620-21ssh21:26:101
5622300,2sleep1620-21ssh21:26:101
54142300,2sleep10-21swapper/121:31:441
54142300,2sleep10-21swapper/121:31:441
249412290,3sleep1201rcuc/120:01:091
249412290,3sleep1201rcuc/120:01:091
249412290,3sleep1201rcuc/120:01:091
107372290,3sleep10-21swapper/122:55:441
107372290,3sleep10-21swapper/122:55:441
107372290,3sleep10-21swapper/122:55:441
693099284,9cyclictest29713-21rm23:19:171
693099284,9cyclictest29713-21rm23:19:171
693099284,9cyclictest29713-21rm23:19:171
693099283,5cyclictest21-21ksoftirqd/122:15:321
693099283,5cyclictest21-21ksoftirqd/122:15:321
693099283,5cyclictest21-21ksoftirqd/122:15:321
693099282,10cyclictest24952-21ssh23:12:381
693099282,10cyclictest24952-21ssh23:12:381
693099282,10cyclictest24952-21ssh23:12:381
693099272,11cyclictest24628-21sh21:16:481
693099272,10cyclictest17936-21ssh22:25:021
693099272,10cyclictest17936-21ssh22:25:021
6930992713,12cyclictest73-21kswapd020:51:021
6930992713,12cyclictest73-21kswapd020:51:021
6929992714,10cyclictest19512-21fw_packets23:46:020
6929992714,10cyclictest19512-21fw_packets23:46:020
693099268,14cyclictest3062-21/usr/sbin/munin20:31:011
693099268,14cyclictest3062-21/usr/sbin/munin20:31:011
693099268,14cyclictest3062-21/usr/sbin/munin20:31:011
693099267,9cyclictest0-21swapper/121:25:241
693099267,9cyclictest0-21swapper/121:25:241
693099267,9cyclictest0-21swapper/121:25:241
693099265,5cyclictest9699-21awk20:46:121
693099265,5cyclictest9699-21awk20:46:121
693099265,5cyclictest9699-21awk20:46:121
6930992612,10cyclictest31345-40mandb00:00:581
6930992612,10cyclictest31345-40mandb00:00:581
6930992612,10cyclictest31345-40mandb00:00:581
692999261,10cyclictest11348-21fschecks_time22:56:030
62982262,15sleep30-21swapper/319:11:093
57552260,2chrt0-21swapper/322:11:093
57552260,2chrt0-21swapper/322:11:093
57552260,2chrt0-21swapper/322:11:093
45972260,1sleep333-21ksoftirqd/320:35:523
45972260,1sleep333-21ksoftirqd/320:35:523
45972260,1sleep333-21ksoftirqd/320:35:523
208522260,3sleep30-21swapper/323:46:503
208522260,3sleep30-21swapper/323:46:503
6931992513,9cyclictest7204-21sh21:34:522
6931992513,9cyclictest7204-21sh21:34:522
693099254,8cyclictest18640-21ntp_states21:11:081
693099254,8cyclictest18640-21ntp_states21:11:081
693099251,8cyclictest16115-21sed23:01:101
693099251,8cyclictest16115-21sed23:01:101
693099251,8cyclictest16115-21sed23:01:101
693099250,7cyclictest6927-21perl20:41:021
693099250,7cyclictest6927-21perl20:41:021
692999251,17cyclictest9602-21cut19:21:030
692999251,17cyclictest9602-21cut19:21:030
692999251,12cyclictest6843-21tune2fs20:41:010
692999251,12cyclictest6843-21tune2fs20:41:010
693199241,3cyclictest0-21swapper/219:36:012
693199241,3cyclictest0-21swapper/219:36:012
693099247,4cyclictest0-21swapper/121:36:301
693099247,4cyclictest0-21swapper/121:36:301
693099247,4cyclictest0-21swapper/121:36:301
693099245,4cyclictest3450-21cat22:46:061
693099245,4cyclictest3450-21cat22:46:061
693099245,4cyclictest3450-21cat22:46:061
693099243,8cyclictest131rcu_preempt22:05:001
693099243,8cyclictest131rcu_preempt22:05:001
693099243,6cyclictest23245-21sh00:28:311
693099243,6cyclictest23245-21sh00:28:311
693099243,5cyclictest21-21ksoftirqd/120:36:021
693099243,5cyclictest21-21ksoftirqd/120:36:021
6929992417,4cyclictest18773-21ssh23:05:490
6929992417,4cyclictest18773-21ssh23:05:490
6929992417,4cyclictest18773-21ssh23:05:490
6929992416,6cyclictest2298-21users20:26:140
6929992416,6cyclictest2298-21users20:26:140
6929992416,6cyclictest2298-21users20:26:140
44322240,4sleep00-21swapper/023:27:100
44322240,4sleep00-21swapper/023:27:100
160632240,4sleep30-21swapper/323:01:093
160632240,4sleep30-21swapper/323:01:093
160632240,4sleep30-21swapper/323:01:093
6931992315,5cyclictest28096-21taskset20:10:592
6931992315,5cyclictest28096-21taskset20:10:592
6931992312,9cyclictest4720-21ssh22:47:182
6931992312,9cyclictest4720-21ssh22:47:182
6931992312,9cyclictest4720-21ssh22:47:182
6931992312,8cyclictest5960-21grep20:36:132
6931992312,8cyclictest5960-21grep20:36:132
6931992311,9cyclictest23634-21ssh00:29:092
6931992311,9cyclictest23634-21ssh00:29:092
693099238,4cyclictest0-21swapper/121:42:561
693099238,4cyclictest0-21swapper/121:42:561
693099236,6cyclictest0-21swapper/119:56:421
693099236,6cyclictest0-21swapper/119:56:421
693099236,5cyclictest0-21swapper/100:15:191
693099236,5cyclictest0-21swapper/100:15:191
693099235,4cyclictest0-21swapper/122:29:131
693099235,4cyclictest0-21swapper/122:29:131
693099234,6cyclictest3313-21ntpq23:26:071
693099234,6cyclictest3313-21ntpq23:26:071
693099232,16cyclictest19483-21irqstats23:06:051
693099232,16cyclictest19483-21irqstats23:06:051
693099232,16cyclictest19483-21irqstats23:06:051
6930992311,9cyclictest3657-21/usr/sbin/munin00:06:031
6930992311,9cyclictest3657-21/usr/sbin/munin00:06:031
693099230,10cyclictest21378-21ssh23:47:481
693099230,10cyclictest21378-21ssh23:47:481
6929992316,5cyclictest32432-21ssh22:41:190
6929992316,5cyclictest32432-21ssh22:41:190
6929992316,5cyclictest32432-21ssh22:41:190
6929992316,5cyclictest29767-21ssh22:39:020
6929992316,5cyclictest29767-21ssh22:39:020
6929992316,5cyclictest29767-21ssh22:39:020
6929992314,6cyclictest12-21ksoftirqd/022:46:030
6929992314,6cyclictest12-21ksoftirqd/022:46:030
6929992314,6cyclictest12-21ksoftirqd/022:46:030
692999231,17cyclictest28177-21cut20:10:590
692999231,17cyclictest28177-21cut20:10:590
693199227,5cyclictest27-21ksoftirqd/221:06:042
693199227,5cyclictest27-21ksoftirqd/221:06:042
693199221,3cyclictest131rcu_preempt22:25:512
693199221,3cyclictest131rcu_preempt22:25:512
693199221,18cyclictest16738-21grep00:21:022
693199221,18cyclictest16738-21grep00:21:022
693199221,18cyclictest1392-21ls20:26:042
693199221,18cyclictest1392-21ls20:26:042
693199221,18cyclictest1392-21ls20:26:042
693199221,17cyclictest26151-21ls20:06:002
693199221,17cyclictest26151-21ls20:06:002
693199221,16cyclictest20769-21sh21:51:012
693199221,15cyclictest11572-21ls19:26:042
693199221,15cyclictest11572-21ls19:26:042
693099229,10cyclictest30688-21find20:16:101
693099229,10cyclictest30688-21find20:16:101
693099228,11cyclictest11225-21grep23:36:031
693099224,7cyclictest23526-21/usr/sbin/munin22:31:081
693099224,7cyclictest23526-21/usr/sbin/munin22:31:081
693099223,6cyclictest17063-21ssh23:42:291
693099223,6cyclictest17063-21ssh23:42:291
693099223,6cyclictest17063-21ssh23:42:291
693099223,5cyclictest21-21ksoftirqd/123:31:041
693099223,5cyclictest21-21ksoftirqd/123:31:041
693099222,4cyclictest21-21ksoftirqd/120:21:101
693099222,4cyclictest21-21ksoftirqd/120:21:101
693099222,4cyclictest21-21ksoftirqd/120:21:101
693099221,9cyclictest28574-21ssh22:36:511
693099221,9cyclictest28574-21ssh22:36:511
693099221,9cyclictest28574-21ssh22:36:511
692999222,3cyclictest131rcu_preempt21:51:010
692999222,3cyclictest131rcu_preempt21:51:010
6929992215,5cyclictest674-21snmpd20:38:070
6929992215,5cyclictest674-21snmpd20:38:070
6929992214,5cyclictest674-21snmpd00:38:590
6929992214,5cyclictest674-21snmpd00:38:590
6929992214,5cyclictest674-21snmpd00:38:590
692999221,11cyclictest27343-21date23:16:060
692999221,11cyclictest27343-21date23:16:060
692999221,11cyclictest27343-21date23:16:060
56182220,3sleep00-21swapper/000:08:060
56182220,3sleep00-21swapper/000:08:060
22992220,2sleep333-21ksoftirqd/321:28:363
22992220,2sleep333-21ksoftirqd/321:28:363
166422220,3sleep30-21swapper/321:06:103
166422220,3sleep30-21swapper/321:06:103
149452220,4sleep20-21swapper/219:35:592
149452220,4sleep20-21swapper/219:35:592
149452220,4sleep20-21swapper/219:35:592
6931992114,5cyclictest9355-21/usr/sbin/munin22:16:012
693199211,17cyclictest14482-21ls21:01:032
693199211,17cyclictest14482-21ls21:01:032
693099216,4cyclictest0-21swapper/100:16:531
693099216,4cyclictest0-21swapper/100:16:531
6930992111,8cyclictest17804-21find19:41:111
6930992111,8cyclictest17804-21find19:41:111
692999219,9cyclictest26380-21if_err_eth020:06:030
692999219,9cyclictest26380-21if_err_eth020:06:030
692999212,15cyclictest24413-21fschecks_count20:01:020
692999212,15cyclictest24413-21fschecks_count20:01:020
692999212,15cyclictest24413-21fschecks_count20:01:020
6929992116,3cyclictest22958-21ssh00:28:000
6929992116,3cyclictest22958-21ssh00:28:000
6929992114,5cyclictest12-21ksoftirqd/023:00:490
6929992114,5cyclictest12-21ksoftirqd/023:00:490
6929992114,5cyclictest12-21ksoftirqd/023:00:490
6929992112,6cyclictest28002-21df_inode21:21:010
6929992112,6cyclictest28002-21df_inode21:21:010
6929992112,6cyclictest28002-21df_inode21:21:010
6929992112,6cyclictest0-21swapper/019:17:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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