| Message ID | 1643933373-6590-8-git-send-email-jdamato@fastly.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | page_pool: Add page_pool stat counters | expand |
diff --git a/include/net/page_pool.h b/include/net/page_pool.h index 7d5f202..0c4cb49 100644 --- a/include/net/page_pool.h +++ b/include/net/page_pool.h @@ -145,6 +145,7 @@ struct page_pool_stats { struct { u64 fast; /* fast path allocations */ u64 slow; /* slow-path order 0 allocations */ + u64 slow_high_order; /* slow-path high order allocations */ } alloc; }; #endif diff --git a/net/core/page_pool.c b/net/core/page_pool.c index 264d8c9..b7d0995 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -259,6 +259,7 @@ static struct page *__page_pool_alloc_page_order(struct page_pool *pool, return NULL; } + this_cpu_inc_alloc_stat(pool, slow_high_order); page_pool_set_pp_info(pool, page); /* Track how many pages are held 'in-flight' */
Track high order allocations in the slow path which cause an interaction with the buddy allocator. Signed-off-by: Joe Damato <jdamato@fastly.com> --- include/net/page_pool.h | 1 + net/core/page_pool.c | 1 + 2 files changed, 2 insertions(+)