Carlos Llamas
e6599f4436
This reverts commit 3936c80525.
Instead of maintaining this interface which has been removed upstream
let's convert the only user in Android (uid_sys_stats) to a different
callback infrastructure such as hooking into the sched_process_exit()
tracepoint.
Bug: 219790626
Cc: Tiffany Yang <ynaffit@google.com>
Cc: Neill Kapron <nkapron@google.com>
Change-Id: I830330c32829df5fca8d9363cf81b0d0efaac265
Signed-off-by: Carlos Llamas <cmllamas@google.com>
85 lines
1.4 KiB
C
85 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _LINUX_PROFILE_H
|
|
#define _LINUX_PROFILE_H
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/cache.h>
|
|
|
|
#include <asm/errno.h>
|
|
|
|
#define CPU_PROFILING 1
|
|
#define SCHED_PROFILING 2
|
|
#define KVM_PROFILING 4
|
|
|
|
struct proc_dir_entry;
|
|
struct notifier_block;
|
|
|
|
#if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)
|
|
int create_proc_profile(void);
|
|
#else
|
|
static inline int create_proc_profile(void)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PROFILING
|
|
|
|
extern int prof_on __read_mostly;
|
|
|
|
/* init basic kernel profiler */
|
|
int profile_init(void);
|
|
int profile_setup(char *str);
|
|
void profile_tick(int type);
|
|
int setup_profiling_timer(unsigned int multiplier);
|
|
|
|
/*
|
|
* Add multiple profiler hits to a given address:
|
|
*/
|
|
void profile_hits(int type, void *ip, unsigned int nr_hits);
|
|
|
|
/*
|
|
* Single profiler hit:
|
|
*/
|
|
static inline void profile_hit(int type, void *ip)
|
|
{
|
|
/*
|
|
* Speedup for the common (no profiling enabled) case:
|
|
*/
|
|
if (unlikely(prof_on == type))
|
|
profile_hits(type, ip, 1);
|
|
}
|
|
|
|
struct task_struct;
|
|
struct mm_struct;
|
|
|
|
#else
|
|
|
|
#define prof_on 0
|
|
|
|
static inline int profile_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void profile_tick(int type)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static inline void profile_hits(int type, void *ip, unsigned int nr_hits)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static inline void profile_hit(int type, void *ip)
|
|
{
|
|
return;
|
|
}
|
|
|
|
|
|
#endif /* CONFIG_PROFILING */
|
|
|
|
#endif /* _LINUX_PROFILE_H */
|