| Message ID | 1643499540-8351-7-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| State | Superseded |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 ab67e86..f59b8a9 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; }; diff --git a/net/core/page_pool.c b/net/core/page_pool.c index 554a40e..24306d6 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -254,6 +254,7 @@ static struct page *__page_pool_alloc_page_order(struct page_pool *pool, return NULL; } + page_pool_stat_alloc_inc(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(+)