kernel-hacking-2024-linux-s.../include/linux/profile.h
Yury Norov 7f36688f12 cpumask: cleanup core headers inclusion
Many core headers include cpumask.h for nothing. Drop it.

Link: https://lkml.kernel.org/r/20240528005648.182376-6-yury.norov@gmail.com
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Cc: Amit Daniel Kachhap <amit.kachhap@gmail.com>
Cc: Anna-Maria Behnsen <anna-maria@linutronix.de>
Cc: Christoph Lameter <cl@linux.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Yury Norov <yury.norov@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-06-24 22:25:02 -07:00

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 SLEEP_PROFILING 3
#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 */