From e09a2337b82d2dcb5b7379a9581477af291d1a75 Mon Sep 17 00:00:00 2001 From: Benoît Ganne Date: Tue, 9 Mar 2021 15:37:49 +0100 Subject: bufmon: add buffer monitoring plugin MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This plugin allow to keep track of buffer usage in VPP graph nodes. The main use is to detect buffer leakages. Type: feature Change-Id: Iadcf4ab98207fab6e2fa375060879bc2a25b711e Signed-off-by: Benoît Ganne --- src/vlib/buffer.h | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) (limited to 'src/vlib/buffer.h') diff --git a/src/vlib/buffer.h b/src/vlib/buffer.h index 349b7324996..b548adf4be8 100644 --- a/src/vlib/buffer.h +++ b/src/vlib/buffer.h @@ -472,6 +472,10 @@ typedef struct #define VLIB_BUFFER_MAX_NUMA_NODES 32 +typedef u32 (vlib_buffer_alloc_free_callback_t) (struct vlib_main_t *vm, + u8 buffer_pool_index, + u32 *buffers, u32 n_buffers); + typedef struct { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); @@ -481,12 +485,9 @@ typedef struct uword buffer_mem_size; vlib_buffer_pool_t *buffer_pools; - /* Hash table mapping buffer index into number - 0 => allocated but free, 1 => allocated and not-free. - If buffer index is not in hash table then this buffer - has never been allocated. */ - uword *buffer_known_hash; - clib_spinlock_t buffer_known_hash_lockp; + vlib_buffer_alloc_free_callback_t *alloc_callback_fn; + vlib_buffer_alloc_free_callback_t *free_callback_fn; + u8 default_buffer_pool_index_for_numa[VLIB_BUFFER_MAX_NUMA_NODES]; /* config */ @@ -495,12 +496,25 @@ typedef struct u32 default_data_size; clib_mem_page_sz_t log2_page_size; + /* Hash table mapping buffer index into number + 0 => allocated but free, 1 => allocated and not-free. + If buffer index is not in hash table then this buffer + has never been allocated. */ + uword *buffer_known_hash; + clib_spinlock_t buffer_known_hash_lockp; + /* logging */ vlib_log_class_t log_default; } vlib_buffer_main_t; clib_error_t *vlib_buffer_main_init (struct vlib_main_t *vm); +format_function_t format_vlib_buffer_pool_all; + +int vlib_buffer_set_alloc_free_callback ( + struct vlib_main_t *vm, vlib_buffer_alloc_free_callback_t *alloc_callback_fn, + vlib_buffer_alloc_free_callback_t *free_callback_fn); + extern u16 __vlib_buffer_external_hdr_size; #define VLIB_BUFFER_SET_EXT_HDR_SIZE(x) \ static void __clib_constructor \ -- cgit 1.2.3-korg