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Although strictly the GPU fingerprint is defined by the build fingerprint,
there is not currently a straightforward mapping from build fingerprint
to useful GPU / GL driver information.
In order to aid debugging of WebView crashes that occur in GL drivers,
and to better understand the range of drivers and versions for feature
blacklisting purposes, it is useful to have GPU fingerprints in breakpad
microdumps.
Landing this patch on behalf of Tobias Sargeant<tobiasjs@chromium.org>
BUG=chromium:536769
R=primiano@chromium.org, thestig@chromium.org
Review URL: https://codereview.chromium.org/1334473003 .
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This is to add build fingerprint and product name/version to
microdumps. Conversely to what happens in the case of minidumps
with MIME fields, due to the nature of minidumps, extra metadata
cannot be reliably injected after the dump is completed.
This CL adds the plumbing to inject two optional fields plus the
corresponding tests.
BUG=chromium:410294
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1125153008
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1456 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Microdumps are a very lightweight variant of minidumps. They are meant
to dump a minimal crash report on the system log (logcat on Android),
containing only the state of the crashing thread.
This is to deal with cases where the user has opted out from crash
uploading but we still want to generate meaningful information on the
device to pull a stacktrace for development purposes.
Conversely to conventional stack traces (e.g. the one generated by
Android's debuggerd or Chromium's base::stacktrace) microdumps do NOT
require unwind tables to be present in the target binary. This allows
to save precious binary size (~1.5 MB for Chrome on Arm, ~10 MB on
arm64).
More information and design doc on crbug.com/410294
BUG=chromium:410294
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1398 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Patch by Avishai Hendel <avish@fb.com>, R=mkrebs at https://codereview.appspot.com/7305060/
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1114 4c0a9323-5329-0410-9bdc-e9ce6186880e
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When there are upwards of 200 threads in a crashing process, each having an
8KB stack, this can result in a huge, 1.8MB minidump file. So I added a
parameter that, if set, can compel the minidump writer to dump less stack.
More specifically, if the writer expects to go over the limit (due to the
number of threads), then it will dump less of a thread's stack after the
first 20 threads.
There are two ways to specify the limit, depending on how you write minidumps:
1) If you call WriteMinidump() directly, there's now a version of the
function that takes the minidump size limit as an argument.
2) If you use the ExceptionHandler class, the MinidumpDescriptor object you
pass to it now has a set_size_limit() method you would call before
passing it to the constructor.
BUG=chromium-os:31447, chromium:154546
TEST=Wrote a size-limit unittest; Ran unittests
Review URL: https://breakpad.appspot.com/487002
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1082 4c0a9323-5329-0410-9bdc-e9ce6186880e
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directory from MinidumpDescriptor
R=digit at https://breakpad.appspot.com/452003/
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1037 4c0a9323-5329-0410-9bdc-e9ce6186880e
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This patch fixes the Android build, and updates the NDK test
application to use the new Linux ExceptionHandler API.
+ Use string insted of std::string in minidump_descriptor.h
Review URL: https://breakpad.appspot.com/433002
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1016 4c0a9323-5329-0410-9bdc-e9ce6186880e
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where the minidump should be created, without the need of opening any other
file.
BUG=None
TEST=Run unit-tests.
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1007 4c0a9323-5329-0410-9bdc-e9ce6186880e
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