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proper rust symbol demangling #237

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milianw opened this issue May 15, 2020 · 0 comments
Closed

proper rust symbol demangling #237

milianw opened this issue May 15, 2020 · 0 comments
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enhancement help wanted

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@milianw
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milianw commented May 15, 2020

Is your feature request related to a problem? Please describe.

perf.data for rust code is sometimes showing mangled rust names which don't get demangled properly.

Describe the solution you'd like

leverage the rustc_demangle API from over at https://github.com/alexcrichton/rustc-demangle. But we need to find a solution to rust-lang/rustc-demangle#38 first.

Describe alternatives you've considered

out-of-process symbolication is probably too slow

Additional context

see also #225
milianw added a commit to KDAB/perfparser that referenced this issue May 15, 2020
@milianw
WIP: add optional rustc_demangling support in perfparser
2851466 
Relates-To: KDAB/hotspot#237
Change-Id: I0a66598e4ae3aa1dbf2776587934677beadd5968
milianw added a commit to KDAB/perfparser that referenced this issue May 16, 2020
@milianw
Add optional rust demangling support in perfparser
07ce8fb 
When librustc_demangle.so and rustc_demangle.h are provided
externally, perfparser can now leverage that to demangle rust
symbols.

See also: https://github.com/alexcrichton/rustc-demangle

Relates-To: KDAB/hotspot#237
Change-Id: I0a66598e4ae3aa1dbf2776587934677beadd5968
milianw added a commit to KDAB/perfparser that referenced this issue Jun 7, 2020
@milianw
Add optional rust demangling support in perfparser
debc2b0 
When librustc_demangle.so and rustc_demangle.h are provided
externally, perfparser can now leverage that to demangle rust
symbols.

See also: https://github.com/alexcrichton/rustc-demangle

Relates-To: KDAB/hotspot#237
Change-Id: I0a66598e4ae3aa1dbf2776587934677beadd5968
milianw added a commit to KDAB/perfparser that referenced this issue Jun 12, 2020
@milianw
Add optional rust demangling support in perfparser
d213aa2 
When librustc_demangle.so and rustc_demangle.h are provided
externally, perfparser can now leverage that to demangle rust
symbols.

See also: https://github.com/alexcrichton/rustc-demangle

Relates-To: KDAB/hotspot#237
Change-Id: I0a66598e4ae3aa1dbf2776587934677beadd5968
milianw added a commit to KDAB/perfparser that referenced this issue Jun 13, 2020
@milianw
Add optional rust demangling support in perfparser
f2e0341 
When librustc_demangle.so and rustc_demangle.h are provided
externally, perfparser can now leverage that to demangle rust
symbols.

See also: https://github.com/alexcrichton/rustc-demangle

Relates-To: KDAB/hotspot#237
Change-Id: I0a66598e4ae3aa1dbf2776587934677beadd5968
milianw added a commit to KDAB/perfparser that referenced this issue Dec 29, 2020
@milianw
Add optional rust demangling support in perfparser
31bebe3 
When librustc_demangle.so and rustc_demangle.h are provided
externally, perfparser can now leverage that to demangle rust
symbols.

See also: https://github.com/alexcrichton/rustc-demangle

Relates-To: KDAB/hotspot#237
Change-Id: I0a66598e4ae3aa1dbf2776587934677beadd5968
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
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