It does. --gdbjit_full gives me the complete stack. Thanks again! On Wednesday, September 28, 2016 at 12:09:52 AM UTC-7, Ben Noordhuis wrote: > > On Sat, Sep 24, 2016 at 2:40 AM, Jane Chen <[email protected] > <javascript:>> wrote: > > Thanks, Ben! > > > > I added that flag to my v8 init code. Now I get: > > > > 12 xdmp::JSEngine::evalBuiltin() > > /space/projects/head/xdmp/src/JSEngine.cpp:11794 0x000000000391466e > > 11 xdmp::JSEngine::evalBuiltin() > > /space/projects/head/xdmp/src/JSEngine.cpp:11766 0x00000000039141ec > > 10 v8::internal::FunctionCallbackArguments::Call() > > /space/projects/v8-git/v8/src/api-arguments.cc:19 0x00007ffff549cef9 > > 9 v8::internal::(anonymous namespace)::HandleApiCallHelper<false>() > > /space/projects/v8-git/v8/src/builtins.cc:5311 0x00007ffff5521150 > > 8 v8::internal::Builtin_Impl_HandleApiCall() > > /space/projects/v8-git/v8/src/builtins.cc:5341 0x00007ffff5569d92 > > 7 v8::internal::Builtin_HandleApiCall() > > /space/projects/v8-git/v8/src/builtins.cc:5329 0x00007ffff5524c1d > > 6 <symbol is not available> 0x0000332193c06147 > > 5 <symbol is not available> 0x0000332193c06081 > > 4 <symbol is not available> 0x00007ffad924d2a0 > > 3 <symbol is not available> 0x0000000300000000 > > 2 <symbol is not available> 0x00007ffad924d308 > > 1 LazyCompile:~isPrime :1() 0x0000332193c6b884 > > > > I suppose that's as good as it gets, right? Any performance penalties > to > > leave it on always? > > I suppose so; does --gdb_jit_full make a difference? As to performance: > > 1. --gdb_jit implies --nocompact_code_space so the code space (where > generated machine code is stored) may get fragmented over time. I > have never observed that to be a problem in practice, though, even in > long-running programs. > > 2. There is some bookkeeping involved but it's not huge. Your > application may run a few percent slower, depending on what it does. >
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