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| author | Max Hirschhorn <max.hirschhorn@mongodb.com> | 2023-01-09 18:05:58 +0000 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2023-01-09 18:43:00 +0000 |
| commit | 0a997440edbb4bb546068acf2396ba5d254f3df0 (patch) | |
| tree | 5e4086739ec8498859a65ac205ca46a23904bede | |
| parent | 6e0f8d23b304375591c7f5bce257cea348ae1928 (diff) | |
| download | mongo-0a997440edbb4bb546068acf2396ba5d254f3df0.tar.gz | |
SERVER-72613 Run gdb with --readnever when only taking core dumps.
(cherry picked from commit afd5fda2f81419f45f321d425bbcf9127c738ac8)
| -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 e5112b870b3..2c4d4b761d7 100644 --- a/buildscripts/resmokelib/hang_analyzer/dumper.py +++ b/buildscripts/resmokelib/hang_analyzer/dumper.py @@ -458,7 +458,15 @@ 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._root_logger.info("Done analyzing %s processes with PIDs %s", pinfo.name, |