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| author | Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> | 2009-03-23 15:12:24 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-03 12:23:06 +0200 |
| commit | ca2b84cb3c4a0d4d2143b46ec072cdff5d1b3b87 (patch) | |
| tree | 7163bac040f11c444b24cab53c4a784df73fa4f3 /mm/util.c | |
| parent | ac44021fccd8f1f2b267b004f23a2e8d7ef05f7b (diff) | |
| download | lwn-ca2b84cb3c4a0d4d2143b46ec072cdff5d1b3b87.tar.gz lwn-ca2b84cb3c4a0d4d2143b46ec072cdff5d1b3b87.zip | |
kmemtrace: use tracepoints
kmemtrace now uses tracepoints instead of markers. We no longer need to
use format specifiers to pass arguments.
Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
[ folded: Use the new TP_PROTO and TP_ARGS to fix the build. ]
[ folded: fix build when CONFIG_KMEMTRACE is disabled. ]
[ folded: define tracepoints when CONFIG_TRACEPOINTS is enabled. ]
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <ae61c0f37156db8ec8dc0d5778018edde60a92e3.1237813499.git.eduard.munteanu@linux360.ro>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/util.c')
| -rw-r--r-- | mm/util.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c index 7c122e49f769..2599e83eea17 100644 --- a/mm/util.c +++ b/mm/util.c @@ -4,6 +4,7 @@ #include <linux/module.h> #include <linux/err.h> #include <linux/sched.h> +#include <linux/tracepoint.h> #include <asm/uaccess.h> /** @@ -236,3 +237,18 @@ int __attribute__((weak)) get_user_pages_fast(unsigned long start, return ret; } EXPORT_SYMBOL_GPL(get_user_pages_fast); + +/* Tracepoints definitions. */ +DEFINE_TRACE(kmalloc); +DEFINE_TRACE(kmem_cache_alloc); +DEFINE_TRACE(kmalloc_node); +DEFINE_TRACE(kmem_cache_alloc_node); +DEFINE_TRACE(kfree); +DEFINE_TRACE(kmem_cache_free); + +EXPORT_TRACEPOINT_SYMBOL(kmalloc); +EXPORT_TRACEPOINT_SYMBOL(kmem_cache_alloc); +EXPORT_TRACEPOINT_SYMBOL(kmalloc_node); +EXPORT_TRACEPOINT_SYMBOL(kmem_cache_alloc_node); +EXPORT_TRACEPOINT_SYMBOL(kfree); +EXPORT_TRACEPOINT_SYMBOL(kmem_cache_free); |