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Add support to use libunwind for backtrace capturing on linux platforms (which is ~ 4x faster than execinfo)

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This commit is contained in:
Tiago Rodrigues 2023-11-10 17:00:39 -05:00
parent 348be05605
commit 4c94b3eff7
1 changed files with 14 additions and 2 deletions
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16
public/client/TracyCallstack.hpp
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@ -8,9 +8,15 @@
#if TRACY_HAS_CALLSTACK == 2 || TRACY_HAS_CALLSTACK == 5
# include <unwind.h>
#elif TRACY_HAS_CALLSTACK >= 3
# include <execinfo.h>
#endif
#ifdef USE_LIB_UNWIND_BACKTRACE
// libunwind is in general significantly faster than execinfo based backtraces
#define UNW_LOCAL_ONLY
# include <libunwind.h>
#else
# include <execinfo.h>
#endif
#endif
#ifndef TRACY_HAS_CALLSTACK
@ -127,7 +133,13 @@ static tracy_force_inline void* Callstack( int depth )
assert( depth >= 1 );
auto trace = (uintptr_t*)tracy_malloc( ( 1 + (size_t)depth ) * sizeof( uintptr_t ) );
#ifdef USE_LIB_UNWIND_BACKTRACE
size_t num = unw_backtrace( (void**)(trace+1), depth );
#else
const auto num = (size_t)backtrace( (void**)(trace+1), depth );
#endif
*trace = num;
return trace;