jankratochvil requested changes to this revision.
jankratochvil added a comment.
This revision now requires changes to proceed.
I find it as a performance regression that even with an unstripped full debug
info file (clang -g) LLDB has now started to look for the separate debug info
file based on its build-id:
stat("/home/jkratoch/t/.build-id/f9/bf63a422425da856baacfadaa4a4afe43c991c.debug",
0x7ffe7f496470) = -1 ENOENT (No such file or directory)
stat("/home/jkratoch/t/.build-id/f9/bf63a422425da856baacfadaa4a4afe43c991c.debug",
0x7ffe7f4968d0) = -1 ENOENT (No such file or directory)
stat("/home/jkratoch/t/.build-id/f9/bf63a422425da856baacfadaa4a4afe43c991c.debug",
0x7ffe7f496690) = -1 ENOENT (No such file or directory)
stat("/usr/lib/debug/.build-id/f9/bf63a422425da856baacfadaa4a4afe43c991c.debug",
0x7ffe7f496470) = -1 ENOENT (No such file or directory)
stat("/usr/lib/debug/.build-id/f9/bf63a422425da856baacfadaa4a4afe43c991c.debug",
0x7ffe7f4968d0) = -1 ENOENT (No such file or directory)
stat("/usr/lib/debug/.build-id/f9/bf63a422425da856baacfadaa4a4afe43c991c.debug",
0x7ffe7f496690) = -1 ENOENT (No such file or directory)
Any needless file lookups are reported as a performance problem on NFS-mounted
disks.
Existence of `.gnu_debuglink` is considered as a flag marking files which did
have debug info which is now split out.
Maybe you could explain what is the real goal.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D65561/new/
https://reviews.llvm.org/D65561
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