diff options
| author | Kunshan Wang <[email protected]> | 2024-11-19 16:07:22 +0800 |
|---|---|---|
| committer | Peter Zhu <[email protected]> | 2024-11-21 13:48:05 -0500 |
| commit | 8ae7c22972d82b14d7308e16c26389fa4412727f (patch) | |
| tree | eed80cbe686cd9fd206c244785cdb4fa2247fc10 /thread_pthread_mn.c | |
| parent | 640bacceb19f3ba2b60789a01511e5e280f8b4ce (diff) | |
Annotate anonymous mmap
Use PR_SET_VMA_ANON_NAME to set human-readable names for anonymous
virtual memory areas mapped by `mmap()` when compiled and run on Linux
5.17 or higher. This makes it convenient for developers to debug mmap.
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/12119
Diffstat (limited to 'thread_pthread_mn.c')
| -rw-r--r-- | thread_pthread_mn.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/thread_pthread_mn.c b/thread_pthread_mn.c index 08d587e2b2..8508dcaf17 100644 --- a/thread_pthread_mn.c +++ b/thread_pthread_mn.c @@ -194,6 +194,8 @@ nt_alloc_thread_stack_chunk(void) return NULL; } + ruby_annotate_mmap(m, MSTACK_CHUNK_SIZE, "Ruby:nt_alloc_thread_stack_chunk"); + size_t msz = nt_thread_stack_size(); int header_page_cnt = 1; int stack_count = ((MSTACK_CHUNK_PAGE_NUM - header_page_cnt) * MSTACK_PAGE_SIZE) / msz; |