[PATCH v2 16/23] mm/slab_common: rename tracepoint
From: Hyeonggon Yoo
Date: Thu Apr 14 2022 - 05:00:00 EST
To reduce overhead of printing tracepoint name,
rename trace_kmem_cache_alloc_node to kmem_cache_alloc.
Suggested-by: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
---
include/trace/events/kmem.h | 4 ++--
mm/slab.c | 8 ++++----
mm/slab_common.c | 6 +++---
mm/slob.c | 22 +++++++++++-----------
mm/slub.c | 16 ++++++++--------
5 files changed, 28 insertions(+), 28 deletions(-)
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index ca67ba5fd76a..58edb2e3e5a4 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -9,7 +9,7 @@
#include <linux/tracepoint.h>
#include <trace/events/mmflags.h>
-DECLARE_EVENT_CLASS(kmem_alloc_node,
+DECLARE_EVENT_CLASS(kmem_alloc,
TP_PROTO(const char *name,
unsigned long call_site,
@@ -51,7 +51,7 @@ DECLARE_EVENT_CLASS(kmem_alloc_node,
__entry->node)
);
-DEFINE_EVENT(kmem_alloc_node, kmem_cache_alloc_node,
+DEFINE_EVENT(kmem_alloc, kmem_cache_alloc,
TP_PROTO(const char *name, unsigned long call_site,
const void *ptr, size_t bytes_req, size_t bytes_alloc,
diff --git a/mm/slab.c b/mm/slab.c
index b9959a6b5c48..424168b96790 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3448,7 +3448,7 @@ void *__kmem_cache_alloc_node(struct kmem_cache *cachep, struct list_lru *lru,
void *ret = slab_alloc_node(cachep, lru, flags, nodeid,
cachep->object_size, caller);
- trace_kmem_cache_alloc_node(cachep->name, caller, ret,
+ trace_kmem_cache_alloc(cachep->name, caller, ret,
cachep->object_size, cachep->size,
flags, nodeid);
@@ -3519,9 +3519,9 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *cachep,
ret = slab_alloc_node(cachep, NULL, flags, nodeid, size, _RET_IP_);
ret = kasan_kmalloc(cachep, ret, size, flags);
- trace_kmem_cache_alloc_node(cachep->name, _RET_IP_, ret,
- size, cachep->size,
- flags, nodeid);
+ trace_kmem_cache_alloc(cachep->name, _RET_IP_, ret,
+ size, cachep->size,
+ flags, nodeid);
return ret;
}
EXPORT_SYMBOL(kmem_cache_alloc_node_trace);
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 3d1569085c54..3cd5d7a47ec7 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -957,8 +957,8 @@ void *kmalloc_large_node(size_t size, gfp_t flags, int node)
ptr = kasan_kmalloc_large(ptr, size, flags);
/* As ptr might get tagged, call kmemleak hook after KASAN. */
kmemleak_alloc(ptr, size, 1, flags);
- trace_kmem_cache_alloc_node(KMALLOC_LARGE_NAME, _RET_IP_, ptr, size,
- PAGE_SIZE << order, flags, node);
+ trace_kmem_cache_alloc(KMALLOC_LARGE_NAME, _RET_IP_, ptr, size,
+ PAGE_SIZE << order, flags, node);
return ptr;
}
EXPORT_SYMBOL(kmalloc_large_node);
@@ -1291,7 +1291,7 @@ size_t ksize(const void *objp)
EXPORT_SYMBOL(ksize);
/* Tracepoints definitions. */
-EXPORT_TRACEPOINT_SYMBOL(kmem_cache_alloc_node);
+EXPORT_TRACEPOINT_SYMBOL(kmem_cache_alloc);
EXPORT_TRACEPOINT_SYMBOL(kmem_cache_free);
int should_failslab(struct kmem_cache *s, gfp_t gfpflags)
diff --git a/mm/slob.c b/mm/slob.c
index b1f291128e94..1bb4c577b908 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -505,8 +505,8 @@ __do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller)
*m = size;
ret = (void *)m + minalign;
- trace_kmem_cache_alloc_node(KMALLOC_NAME, caller, ret,
- size, size + minalign, gfp, node);
+ trace_kmem_cache_alloc(KMALLOC_NAME, caller, ret,
+ size, size + minalign, gfp, node);
} else {
unsigned int order = get_order(size);
@@ -514,9 +514,9 @@ __do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller)
gfp |= __GFP_COMP;
ret = slob_new_pages(gfp, order, node);
- trace_kmem_cache_alloc_node(KMALLOC_LARGE_NAME, caller,
- ret, size, PAGE_SIZE << order,
- gfp, node);
+ trace_kmem_cache_alloc(KMALLOC_LARGE_NAME, caller,
+ ret, size, PAGE_SIZE << order,
+ gfp, node);
}
kmemleak_alloc(ret, size, 1, gfp);
@@ -599,14 +599,14 @@ static void *slob_alloc_node(struct kmem_cache *c, gfp_t flags, int node,
if (c->size < PAGE_SIZE) {
b = slob_alloc(c->size, flags, c->align, node, 0);
- trace_kmem_cache_alloc_node(c->name, caller, b, c->object_size,
- SLOB_UNITS(c->size) * SLOB_UNIT,
- flags, node);
+ trace_kmem_cache_alloc(c->name, caller, b, c->object_size,
+ SLOB_UNITS(c->size) * SLOB_UNIT,
+ flags, node);
} else {
b = slob_new_pages(flags, get_order(c->size), node);
- trace_kmem_cache_alloc_node(c->name, caller, b, c->object_size,
- PAGE_SIZE << get_order(c->size),
- flags, node);
+ trace_kmem_cache_alloc(c->name, caller, b, c->object_size,
+ PAGE_SIZE << get_order(c->size),
+ flags, node);
}
if (b && c->ctor) {
diff --git a/mm/slub.c b/mm/slub.c
index d53e9e22d67e..a088d4fa1062 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3215,8 +3215,8 @@ void *__kmem_cache_alloc_node(struct kmem_cache *s, struct list_lru *lru, gfp_t
{
void *ret = slab_alloc_node(s, lru, gfpflags, node, caller, s->object_size);
- trace_kmem_cache_alloc_node(s->name, caller, ret, s->object_size,
- s->size, gfpflags, node);
+ trace_kmem_cache_alloc(s->name, caller, ret, s->object_size,
+ s->size, gfpflags, node);
return ret;
}
@@ -3229,8 +3229,8 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
{
void *ret = slab_alloc_node(s, NULL, gfpflags, node, _RET_IP_, size);
- trace_kmem_cache_alloc_node(s->name, _RET_IP_, ret,
- size, s->size, gfpflags, node);
+ trace_kmem_cache_alloc(s->name, _RET_IP_, ret,
+ size, s->size, gfpflags, node);
ret = kasan_kmalloc(s, ret, size, gfpflags);
return ret;
@@ -4352,8 +4352,8 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
ret = slab_alloc_node(s, NULL, flags, node, _RET_IP_, size);
- trace_kmem_cache_alloc_node(s->name, _RET_IP_, ret, size,
- s->size, flags, node);
+ trace_kmem_cache_alloc(s->name, _RET_IP_, ret, size,
+ s->size, flags, node);
ret = kasan_kmalloc(s, ret, size, flags);
@@ -4815,8 +4815,8 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
ret = slab_alloc_node(s, NULL, gfpflags, node, caller, size);
/* Honor the call site pointer we received. */
- trace_kmem_cache_alloc_node(s->name, caller, ret, size,
- s->size, gfpflags, node);
+ trace_kmem_cache_alloc(s->name, caller, ret, size,
+ s->size, gfpflags, node);
return ret;
}
--
2.32.0