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Theoretically, funny race conditions could arise between producer and consumer, especially for functions like trunc(), which are generated in the producer but then executed in the consumer. Add some trunc tests that should be robust against such races. They are patterned after similar clear() tests. Specifically, many aggregations are performed and then followed immediately by the trunc() call to be tested. Then, the test waits, protecting it from variations in update rates, before a final aggregation is performed and results dumped out. Signed-off-by: Eugene Loh <eugene.loh@oracle.com> Reviewed-by: Kris Van Hees <kris.van.hees@oracle.com>
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/* | ||
* Oracle Linux DTrace. | ||
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
* Licensed under the Universal Permissive License v 1.0 as shown at | ||
* http://oss.oracle.com/licenses/upl. | ||
*/ | ||
/* @@trigger: bogus-ioctl */ | ||
/* @@nosort */ | ||
|
||
#pragma D option quiet | ||
|
||
BEGIN | ||
{ | ||
i = 0; | ||
nsecs = 1000000000 * (long long)3; | ||
tstop = timestamp + nsecs; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i < 100/ | ||
{ | ||
@[100 + i] = lquantize(i + 1, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 2, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 3, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 4, 0, 150, 1, 10000 + i); | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i == 100/ | ||
{ | ||
trunc(@, 5); | ||
tstop = timestamp + nsecs; | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i > 100 && timestamp > tstop/ | ||
{ | ||
@[200 + i] = lquantize(i + 1, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 2, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 3, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 4, 0, 150, 1, 20000 + i); | ||
exit(0); | ||
} |
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@@ -0,0 +1,55 @@ | ||
|
||
195 | ||
value ------------- Distribution ------------- count | ||
95 | 0 | ||
96 |@@@@@@@@@@ 10095 | ||
97 |@@@@@@@@@@ 10095 | ||
98 |@@@@@@@@@@ 10095 | ||
99 |@@@@@@@@@@ 10095 | ||
100 | 0 | ||
|
||
196 | ||
value ------------- Distribution ------------- count | ||
96 | 0 | ||
97 |@@@@@@@@@@ 10096 | ||
98 |@@@@@@@@@@ 10096 | ||
99 |@@@@@@@@@@ 10096 | ||
100 |@@@@@@@@@@ 10096 | ||
101 | 0 | ||
|
||
197 | ||
value ------------- Distribution ------------- count | ||
97 | 0 | ||
98 |@@@@@@@@@@ 10097 | ||
99 |@@@@@@@@@@ 10097 | ||
100 |@@@@@@@@@@ 10097 | ||
101 |@@@@@@@@@@ 10097 | ||
102 | 0 | ||
|
||
198 | ||
value ------------- Distribution ------------- count | ||
98 | 0 | ||
99 |@@@@@@@@@@ 10098 | ||
100 |@@@@@@@@@@ 10098 | ||
101 |@@@@@@@@@@ 10098 | ||
102 |@@@@@@@@@@ 10098 | ||
103 | 0 | ||
|
||
199 | ||
value ------------- Distribution ------------- count | ||
99 | 0 | ||
100 |@@@@@@@@@@ 10099 | ||
101 |@@@@@@@@@@ 10099 | ||
102 |@@@@@@@@@@ 10099 | ||
103 |@@@@@@@@@@ 10099 | ||
104 | 0 | ||
|
||
301 | ||
value ------------- Distribution ------------- count | ||
101 | 0 | ||
102 |@@@@@@@@@@ 20101 | ||
103 |@@@@@@@@@@ 20101 | ||
104 |@@@@@@@@@@ 20101 | ||
105 |@@@@@@@@@@ 20101 | ||
106 | 0 | ||
|
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,45 @@ | ||
/* | ||
* Oracle Linux DTrace. | ||
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
* Licensed under the Universal Permissive License v 1.0 as shown at | ||
* http://oss.oracle.com/licenses/upl. | ||
*/ | ||
/* @@trigger: bogus-ioctl */ | ||
/* @@nosort */ | ||
|
||
#pragma D option quiet | ||
|
||
BEGIN | ||
{ | ||
i = 0; | ||
nsecs = 1000000000 * (long long)3; | ||
tstop = timestamp + nsecs; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i < 100/ | ||
{ | ||
@[100 + i] = lquantize(i + 1, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 2, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 3, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 4, 0, 150, 1, 10000 + i); | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i == 100/ | ||
{ | ||
trunc(@); | ||
tstop = timestamp + nsecs; | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i > 100 && timestamp > tstop/ | ||
{ | ||
@[200 + i] = lquantize(i + 1, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 2, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 3, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 4, 0, 150, 1, 20000 + i); | ||
exit(0); | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,10 @@ | ||
|
||
301 | ||
value ------------- Distribution ------------- count | ||
101 | 0 | ||
102 |@@@@@@@@@@ 20101 | ||
103 |@@@@@@@@@@ 20101 | ||
104 |@@@@@@@@@@ 20101 | ||
105 |@@@@@@@@@@ 20101 | ||
106 | 0 | ||
|
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Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,45 @@ | ||
/* | ||
* Oracle Linux DTrace. | ||
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
* Licensed under the Universal Permissive License v 1.0 as shown at | ||
* http://oss.oracle.com/licenses/upl. | ||
*/ | ||
/* @@trigger: bogus-ioctl */ | ||
/* @@nosort */ | ||
|
||
#pragma D option quiet | ||
|
||
BEGIN | ||
{ | ||
i = 0; | ||
nsecs = 1000000000 * (long long)3; | ||
tstop = timestamp + nsecs; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i < 100/ | ||
{ | ||
@[100 + i] = lquantize(i + 1, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 2, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 3, 0, 150, 1, 10000 + i); | ||
@[100 + i] = lquantize(i + 4, 0, 150, 1, 10000 + i); | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i == 100/ | ||
{ | ||
trunc(@, -5); | ||
tstop = timestamp + nsecs; | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i > 100 && timestamp > tstop/ | ||
{ | ||
@[200 + i] = lquantize(i + 1, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 2, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 3, 0, 150, 1, 20000 + i); | ||
@[200 + i] = lquantize(i + 4, 0, 150, 1, 20000 + i); | ||
exit(0); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,55 @@ | ||
|
||
100 | ||
value ------------- Distribution ------------- count | ||
0 | 0 | ||
1 |@@@@@@@@@@ 10000 | ||
2 |@@@@@@@@@@ 10000 | ||
3 |@@@@@@@@@@ 10000 | ||
4 |@@@@@@@@@@ 10000 | ||
5 | 0 | ||
|
||
101 | ||
value ------------- Distribution ------------- count | ||
1 | 0 | ||
2 |@@@@@@@@@@ 10001 | ||
3 |@@@@@@@@@@ 10001 | ||
4 |@@@@@@@@@@ 10001 | ||
5 |@@@@@@@@@@ 10001 | ||
6 | 0 | ||
|
||
102 | ||
value ------------- Distribution ------------- count | ||
2 | 0 | ||
3 |@@@@@@@@@@ 10002 | ||
4 |@@@@@@@@@@ 10002 | ||
5 |@@@@@@@@@@ 10002 | ||
6 |@@@@@@@@@@ 10002 | ||
7 | 0 | ||
|
||
103 | ||
value ------------- Distribution ------------- count | ||
3 | 0 | ||
4 |@@@@@@@@@@ 10003 | ||
5 |@@@@@@@@@@ 10003 | ||
6 |@@@@@@@@@@ 10003 | ||
7 |@@@@@@@@@@ 10003 | ||
8 | 0 | ||
|
||
104 | ||
value ------------- Distribution ------------- count | ||
4 | 0 | ||
5 |@@@@@@@@@@ 10004 | ||
6 |@@@@@@@@@@ 10004 | ||
7 |@@@@@@@@@@ 10004 | ||
8 |@@@@@@@@@@ 10004 | ||
9 | 0 | ||
|
||
301 | ||
value ------------- Distribution ------------- count | ||
101 | 0 | ||
102 |@@@@@@@@@@ 20101 | ||
103 |@@@@@@@@@@ 20101 | ||
104 |@@@@@@@@@@ 20101 | ||
105 |@@@@@@@@@@ 20101 | ||
106 | 0 | ||
|
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,39 @@ | ||
/* | ||
* Oracle Linux DTrace. | ||
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
* Licensed under the Universal Permissive License v 1.0 as shown at | ||
* http://oss.oracle.com/licenses/upl. | ||
*/ | ||
/* @@trigger: bogus-ioctl */ | ||
/* @@nosort */ | ||
|
||
#pragma D option quiet | ||
|
||
BEGIN | ||
{ | ||
i = 0; | ||
nsecs = 1000000000 * (long long)3; | ||
tstop = timestamp + nsecs; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i < 100/ | ||
{ | ||
@[100 + i] = sum(1000 + i); | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i == 100/ | ||
{ | ||
trunc(@, 5); | ||
tstop = timestamp + nsecs; | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i > 100 && timestamp > tstop/ | ||
{ | ||
@[200 + i] = sum(2000 + i); | ||
exit(0); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,7 @@ | ||
|
||
195 1095 | ||
196 1096 | ||
197 1097 | ||
198 1098 | ||
199 1099 | ||
301 2101 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,39 @@ | ||
/* | ||
* Oracle Linux DTrace. | ||
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
* Licensed under the Universal Permissive License v 1.0 as shown at | ||
* http://oss.oracle.com/licenses/upl. | ||
*/ | ||
/* @@trigger: bogus-ioctl */ | ||
/* @@nosort */ | ||
|
||
#pragma D option quiet | ||
|
||
BEGIN | ||
{ | ||
i = 0; | ||
nsecs = 1000000000 * (long long)3; | ||
tstop = timestamp + nsecs; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i < 100/ | ||
{ | ||
@[100 + i] = sum(1000 + i); | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i == 100/ | ||
{ | ||
trunc(@); | ||
tstop = timestamp + nsecs; | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i > 100 && timestamp > tstop/ | ||
{ | ||
@[200 + i] = sum(2000 + i); | ||
exit(0); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,2 @@ | ||
|
||
301 2101 |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,39 @@ | ||
/* | ||
* Oracle Linux DTrace. | ||
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
* Licensed under the Universal Permissive License v 1.0 as shown at | ||
* http://oss.oracle.com/licenses/upl. | ||
*/ | ||
/* @@trigger: bogus-ioctl */ | ||
/* @@nosort */ | ||
|
||
#pragma D option quiet | ||
|
||
BEGIN | ||
{ | ||
i = 0; | ||
nsecs = 1000000000 * (long long)3; | ||
tstop = timestamp + nsecs; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i < 100/ | ||
{ | ||
@[100 + i] = sum(1000 + i); | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i == 100/ | ||
{ | ||
trunc(@, -5); | ||
tstop = timestamp + nsecs; | ||
i++; | ||
} | ||
|
||
syscall::ioctl:entry | ||
/pid == $target && i > 100 && timestamp > tstop/ | ||
{ | ||
@[200 + i] = sum(2000 + i); | ||
exit(0); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,7 @@ | ||
|
||
100 1000 | ||
101 1001 | ||
102 1002 | ||
103 1003 | ||
104 1004 | ||
301 2101 |