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| author | Max Hirschhorn <max.hirschhorn@mongodb.com> | 2023-01-09 16:05:30 +0000 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2023-01-09 16:52:58 +0000 |
| commit | afd5fda2f81419f45f321d425bbcf9127c738ac8 (patch) | |
| tree | 98a84a22523e082038dc72ffa57beabb54c325a2 | |
| parent | 91fe76bf50c9e2f0b0bc34489d72ae3a31276b98 (diff) | |
| download | mongo-afd5fda2f81419f45f321d425bbcf9127c738ac8.tar.gz | |
SERVER-72613 Run gdb with --readnever when only taking core dumps.
| -rw-r--r-- | buildscripts/resmokelib/hang_analyzer/dumper.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/buildscripts/resmokelib/hang_analyzer/dumper.py b/buildscripts/resmokelib/hang_analyzer/dumper.py index 92d58d7d190..be9d44fc987 100644 --- a/buildscripts/resmokelib/hang_analyzer/dumper.py +++ b/buildscripts/resmokelib/hang_analyzer/dumper.py @@ -479,7 +479,15 @@ class GDBDumper(Dumper): cmds = self._prefix() + self._process_specific(pinfo, take_dump, logger) + self._postfix() - call([dbg, "--quiet", "--nx"] + list( + # gcore is both a command within GDB and a script packaged alongside gdb. The gcore script + # invokes the gdb binary with --readnever to avoid spending time loading the debug symbols + # prior to taking the core dump. The debug symbols are unneeded to generate the core dump. + # + # For reference: + # https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gdb/gcore.in;h=34860de630cf0ee766e102eb82f7a3fddba6b368#l101 + skip_reading_symbols_on_take_dump = ["--readnever"] if take_dump else [] + + call([dbg, "--quiet", "--nx"] + skip_reading_symbols_on_take_dump + list( itertools.chain.from_iterable([['-ex', b] for b in cmds])), logger, self._timeout_seconds_for_gdb_process, pinfo) |