diff options
| author | Vasily Averin | 2022-06-03 06:21:49 +0300 |
|---|---|---|
| committer | Vlastimil Babka | 2022-07-04 17:11:27 +0200 |
| commit | b347aa7b57477f71c740e2bbc6d1078a7109ba23 (patch) | |
| tree | 2e2f1c711884b182d0134287c6b219733684ccf6 /mm/slab.c | |
| parent | 0c7e0d699ef1430d7f4cf12b4b1d097af58b5515 (diff) | |
mm/tracing: add 'accounted' entry into output of allocation tracepoints
Slab caches marked with SLAB_ACCOUNT force accounting for every
allocation from this cache even if __GFP_ACCOUNT flag is not passed.
Unfortunately, at the moment this flag is not visible in ftrace output,
and this makes it difficult to analyze the accounted allocations.
This patch adds boolean "accounted" entry into trace output,
and set it to 'true' for calls used __GFP_ACCOUNT flag and
for allocations from caches marked with SLAB_ACCOUNT.
Set it to 'false' if accounting is disabled in configs.
Signed-off-by: Vasily Averin <vvs@openvz.org>
Acked-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Link: https://lore.kernel.org/r/c418ed25-65fe-f623-fbf8-1676528859ed@openvz.org
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/slab.c b/mm/slab.c index 733d3af633cf..f7d6ca702018 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3478,7 +3478,7 @@ void *__kmem_cache_alloc_lru(struct kmem_cache *cachep, struct list_lru *lru, { void *ret = slab_alloc(cachep, lru, flags, cachep->object_size, _RET_IP_); - trace_kmem_cache_alloc(_RET_IP_, ret, + trace_kmem_cache_alloc(_RET_IP_, ret, cachep, cachep->object_size, cachep->size, flags); return ret; @@ -3567,7 +3567,7 @@ kmem_cache_alloc_trace(struct kmem_cache *cachep, gfp_t flags, size_t size) ret = slab_alloc(cachep, NULL, flags, size, _RET_IP_); ret = kasan_kmalloc(cachep, ret, size, flags); - trace_kmalloc(_RET_IP_, ret, + trace_kmalloc(_RET_IP_, ret, cachep, size, cachep->size, flags); return ret; } @@ -3592,7 +3592,7 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid) { void *ret = slab_alloc_node(cachep, flags, nodeid, cachep->object_size, _RET_IP_); - trace_kmem_cache_alloc_node(_RET_IP_, ret, + trace_kmem_cache_alloc_node(_RET_IP_, ret, cachep, cachep->object_size, cachep->size, flags, nodeid); @@ -3611,7 +3611,7 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *cachep, ret = slab_alloc_node(cachep, flags, nodeid, size, _RET_IP_); ret = kasan_kmalloc(cachep, ret, size, flags); - trace_kmalloc_node(_RET_IP_, ret, + trace_kmalloc_node(_RET_IP_, ret, cachep, size, cachep->size, flags, nodeid); return ret; @@ -3694,7 +3694,7 @@ static __always_inline void *__do_kmalloc(size_t size, gfp_t flags, ret = slab_alloc(cachep, NULL, flags, size, caller); ret = kasan_kmalloc(cachep, ret, size, flags); - trace_kmalloc(caller, ret, + trace_kmalloc(caller, ret, cachep, size, cachep->size, flags); return ret; |