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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2021-02-26 15:52:35 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-02-26 15:52:35 +0100 |
| commit | 6b5e141999cc2350c0322cef9a0b569f2908d341 (patch) | |
| tree | 4fbdae52705b7f7828ff03430c603bb4efd4f8f2 /compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp | |
| parent | 75959fb3566f722dc141d112fab047c4c0dcb5c5 (diff) | |
| parent | 9d3739d9cefe5ee38d695e8f1eab69a7422d9a21 (diff) | |
| download | rust-6b5e141999cc2350c0322cef9a0b569f2908d341.tar.gz rust-6b5e141999cc2350c0322cef9a0b569f2908d341.zip | |
Rollup merge of #82535 - wesleywiser:wip_codegen_thread_names, r=nagisa
Set codegen thread names
Set names on threads spawned during codegen. Various debugging and profiling tools can take advantage of this to show a more useful identifier for threads.
For example, gdb will show thread names in `info threads`:
```
(gdb) info threads
Id Target Id Frame
1 Thread 0x7fffefa7ec40 (LWP 2905) "rustc" __pthread_clockjoin_ex (threadid=140737214134016, thread_return=0x0, clockid=<optimized out>, abstime=<optimized out>, block=<optimized out>)
at pthread_join_common.c:145
2 Thread 0x7fffefa7b700 (LWP 2957) "rustc" 0x00007ffff125eaa8 in llvm::X86_MC::initLLVMToSEHAndCVRegMapping(llvm::MCRegisterInfo*) ()
from /home/wesley/.rustup/toolchains/stage1/lib/librustc_driver-f866439e29074957.so
3 Thread 0x7fffeef0f700 (LWP 3116) "rustc" futex_wait_cancelable (private=0, expected=0, futex_word=0x7fffe8602ac8) at ../sysdeps/nptl/futex-internal.h:183
* 4 Thread 0x7fffeed0e700 (LWP 3123) "rustc" rustc_codegen_ssa::back::write::spawn_work (cgcx=..., work=...) at /home/wesley/code/rust/rust/compiler/rustc_codegen_ssa/src/back/write.rs:1573
6 Thread 0x7fffe113b700 (LWP 3150) "opt foof.7rcbfp" 0x00007ffff2940e62 in llvm::CallGraph::populateCallGraphNode(llvm::CallGraphNode*) ()
from /home/wesley/.rustup/toolchains/stage1/lib/librustc_driver-f866439e29074957.so
8 Thread 0x7fffe0d39700 (LWP 3158) "opt foof.7rcbfp" 0x00007fffefe8998e in malloc_consolidate (av=av@entry=0x7ffe2c000020) at malloc.c:4492
9 Thread 0x7fffe0f3a700 (LWP 3162) "opt foof.7rcbfp" 0x00007fffefef27c4 in __libc_open64 (file=0x7fffe0f38608 "foof.foof.7rcbfp3g-cgu.6.rcgu.o", oflag=524865) at ../sysdeps/unix/sysv/linux/open64.c:48
(gdb)
```
and Windows Performance Analyzer will also show this information when profiling:
Diffstat (limited to 'compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp')
0 files changed, 0 insertions, 0 deletions