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perf_counter: Remove munmap stuff

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In name of keeping it simple, only track mmap events. Userspace
will have to remove old overlapping maps when it encounters them.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2009-06-04 17:08:58 +02:00 • committed by Ingo Molnar
parent 60313ebed7
commit d99e944620
3 changed files with 4 additions and 51 deletions
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11
include/linux/perf_counter.h
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@ -148,11 +148,10 @@ struct perf_counter_attr {
exclude_hv : 1, /* ditto hypervisor */
exclude_idle : 1, /* don't count when idle */
mmap : 1, /* include mmap data */
munmap : 1, /* include munmap data */
comm : 1, /* include comm data */
freq : 1, /* use freq, not period */
__reserved_1 : 52;
__reserved_1 : 53;
__u32 wakeup_events; /* wakeup every n events */
__u32 __reserved_2;
@ -246,7 +245,6 @@ enum perf_event_type {
* };
*/
PERF_EVENT_MMAP = 1,
PERF_EVENT_MUNMAP = 2,
/*
* struct {
@ -622,9 +620,6 @@ extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64);
extern void perf_counter_mmap(unsigned long addr, unsigned long len,
unsigned long pgoff, struct file *file);
extern void perf_counter_munmap(unsigned long addr, unsigned long len,
unsigned long pgoff, struct file *file);
extern void perf_counter_comm(struct task_struct *tsk);
extern void perf_counter_fork(struct task_struct *tsk);
@ -677,10 +672,6 @@ static inline void
perf_counter_mmap(unsigned long addr, unsigned long len,
unsigned long pgoff, struct file *file) { }
static inline void
perf_counter_munmap(unsigned long addr, unsigned long len,
unsigned long pgoff, struct file *file) { }
static inline void perf_counter_comm(struct task_struct *tsk) { }
static inline void perf_counter_fork(struct task_struct *tsk) { }
static inline void perf_counter_init(void) { }