https://bugs.kde.org/show_bug.cgi?id=393857
Bug ID: 393857
Summary: Please add support for gcc's artificial attribute
Product: valgrind
Version: 3.13.0
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: callgrind
Assignee: josef.weidendor...@gmx.de
Reporter: bugzi...@poradnik-webmastera.com
Target Milestone: ---
Callgrind aggregates data for all inline function calls, and presents them in
separate section below profiled code. This causes problem when code calls small
inline functions many times from many places, e.g. when it uses intrinsics. In
the past this also caused problem with debugging using gdb, so gcc introduced
special function attribute - artificial. When it is used, gdb on callstacks
shows place where function is inlined instead of line from inlined function.
Here is nice example:
https://stackoverflow.com/questions/20110291/use-cases-of-the-gcc-artificial-function-attribute
Please add support for artificial attribute to Valgrind. It would help with
profiling programs which uses intrinsics, and any others which uses similar
small inline wrappers.
Aggregated data for inline function also may be beneficial in some cases, so
please keep displaying them as well. You may add new option which will allow to
choose what to display (aggregated data, inline data, both).
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