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| author |   hanlin <hanlin_wang@163.com> | 2020-05-19 17:34:17 +0800 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2020-05-20 15:30:28 +0000 |
| commit | 4266d4d5ff96043f6d2fbd217e97eddf8916e346 (patch) | |
| tree | 4fcee312019fc21bc658e57fbf9c6898022a53d2 /src/vcl/vcl_locked.h | |
| parent | cf755442670b9126b3f6aabe27c2bfb32179fafa (diff) | |
vcl: nest vcl_mq_epfd to support epoll_wait without high CPU usage
Now, libc epfd and vls epfd are independent and can only epoll_wait independently without timeout, then app calling epoll_wait will occupy high CPU. So we nest vcl_mq_epfd into libc epfd when using eventfd with VPP, and then we can only epoll_wait libc epfd with specified timeout.
Type: feature
Signed-off-by: hanlin <hanlin_wang@163.com>
Change-Id: I6b6e0f501c769e186714bfbc187cfaed2533b4c2
Signed-off-by: hanlin <hanlin_wang@163.com>
Diffstat (limited to 'src/vcl/vcl_locked.h')
| -rw-r--r-- | src/vcl/vcl_locked.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/vcl/vcl_locked.h b/src/vcl/vcl_locked.h index 2c8f2115230..18b341b11ca 100644 --- a/src/vcl/vcl_locked.h +++ b/src/vcl/vcl_locked.h @@ -50,6 +50,7 @@ vcl_session_handle_t vlsh_to_sh (vls_handle_t vlsh); vcl_session_handle_t vlsh_to_session_index (vls_handle_t vlsh); vls_handle_t vls_session_index_to_vlsh (uint32_t session_index); int vls_app_create (char *app_name); +unsigned char vls_use_eventfd (void); #endif /* SRC_VCL_VCL_LOCKED_H_ */ |