816bf5af2e
Fixes for the profiler on arm64.
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On arm64, in Dart code, R18(SP) is the stack pointer.
In C++ code, R31(CSP) is the stack pointer.
The profiler must choose the right one when performing
its bounds checks.
This change also fixes a bug in the InvokeDartCode stub
on arm64 so that CSP is set to the Isolate's stack
limit immediately, rather than a bit later. When it was
set a bit later, if a profiler interrupt came in in the
interim, the stack would be smashed.
R=johnmccutchan@google.com
Review URL: https://codereview.chromium.org//583683002
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@40502 260f80e4-7a28-3924-810f-c04153c831b5
2014-09-19 16:25:16 +00:00
14ecdbd66a
- Separate the thread implementation used in bin/ and vm/
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to allow us to make VM specific changes.
R=asiva@google.com
Review URL: https://codereview.chromium.org//463993002
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@39172 260f80e4-7a28-3924-810f-c04153c831b5
2014-08-12 23:19:53 +00:00
86c55f4fde
Keep list of existing isolates.
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List is only updated when isolates are created / destroyed.
ThreadInterrupter now walks list of isolates.
Scheduling an isolate for interrupts is now lockless.
Setting a current isolate is now lockless.
Working on Linux, Mac, and Windows.
Assert that the isolate isn't on two threads at once.
R=asiva@google.com
Review URL: https://codereview.chromium.org//128653004
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@32439 260f80e4-7a28-3924-810f-c04153c831b5
2014-02-07 17:43:21 +00:00
4506470336
Disable profiler for Dartium bots
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BUG=
Review URL: https://codereview.chromium.org//129983002
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@31639 260f80e4-7a28-3924-810f-c04153c831b5
2014-01-09 00:33:54 +00:00
2b4a1dd74b
Temporary disable of thread interrupter on Linux
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Review URL: https://codereview.chromium.org//129223005
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@31631 260f80e4-7a28-3924-810f-c04153c831b5
2014-01-08 22:42:12 +00:00
919dc2d6eb
* Introduce ThreadInterrupter which calls a TLS set callback when thread is interrupted.
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* Threads can only register and unregister themselves with ThreadInterrupter.
* Profiler is no longer involved in interrupting threads. It's just a callback and the buffer.
* Profiler operates lock free using an atomic operation to reserve sample in sample buffer.
* Linux, Mac, and Windows done.
R=asiva@google.com
Review URL: https://codereview.chromium.org//109803002
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@31170 260f80e4-7a28-3924-810f-c04153c831b5
2013-12-16 18:52:15 +00:00
zra@google.com