A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-25 22:23:14 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

Browse source 
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (57 commits)
  x86, perf events: Check if we have APIC enabled
  perf_event: Fix variable initialization in other codepaths
  perf kmem: Fix unused argument build warning
  perf symbols: perf_header__read_build_ids() offset'n'size should be u64
  perf symbols: dsos__read_build_ids() should read both user and kernel buildids
  perf tools: Align long options which have no short forms
  perf kmem: Show usage if no option is specified
  sched: Mark sched_clock() as notrace
  perf sched: Add max delay time snapshot
  perf tools: Correct size given to memset
  perf_event: Fix perf_swevent_hrtimer() variable initialization
  perf sched: Fix for getting task's execution time
  tracing/kprobes: Fix field creation's bad error handling
  perf_event: Cleanup for cpu_clock_perf_event_update()
  perf_event: Allocate children's perf_event_ctxp at the right time
  perf_event: Clean up __perf_event_init_context()
  hw-breakpoints: Modify breakpoints without unregistering them
  perf probe: Update perf-probe document
  perf probe: Support --del option
  trace-kprobe: Support delete probe syntax
  ...
This commit is contained in:
Linus Torvalds 2009-12-11 20:47:30 -08:00
commit 6f696eb17b
40 changed files with 877 additions and 564 deletions
Download patch file Download diff file Expand all files Collapse all files

40
include/linux/hw_breakpoint.h
View file

@ -20,19 +20,18 @@ enum {
#ifdef CONFIG_HAVE_HW_BREAKPOINT
/* As it's for in-kernel or ptrace use, we want it to be pinned */
#define DEFINE_BREAKPOINT_ATTR(name) \
struct perf_event_attr name = { \
.type = PERF_TYPE_BREAKPOINT, \
.size = sizeof(name), \
.pinned = 1, \
};
static inline void hw_breakpoint_init(struct perf_event_attr *attr)
{
memset(attr, 0, sizeof(*attr));
attr->type = PERF_TYPE_BREAKPOINT;
attr->size = sizeof(*attr);
/*
* As it's for in-kernel or ptrace use, we want it to be pinned
* and to call its callback every hits.
*/
attr->pinned = 1;
attr->sample_period = 1;
}
static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
@ -52,27 +51,24 @@ static inline int hw_breakpoint_len(struct perf_event *bp)
extern struct perf_event *
register_user_hw_breakpoint(struct perf_event_attr *attr,
perf_callback_t triggered,
perf_overflow_handler_t triggered,
struct task_struct *tsk);
/* FIXME: only change from the attr, and don't unregister */
extern struct perf_event *
modify_user_hw_breakpoint(struct perf_event *bp,
struct perf_event_attr *attr,
perf_callback_t triggered,
struct task_struct *tsk);
extern int
modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr);
/*
* Kernel breakpoints are not associated with any particular thread.
*/
extern struct perf_event *
register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr,
perf_callback_t triggered,
perf_overflow_handler_t triggered,
int cpu);
extern struct perf_event **
register_wide_hw_breakpoint(struct perf_event_attr *attr,
perf_callback_t triggered);
perf_overflow_handler_t triggered);
extern int register_perf_hw_breakpoint(struct perf_event *bp);
extern int __register_perf_hw_breakpoint(struct perf_event *bp);
@ -93,20 +89,18 @@ static inline struct arch_hw_breakpoint *counter_arch_bp(struct perf_event *bp)
static inline struct perf_event *
register_user_hw_breakpoint(struct perf_event_attr *attr,
perf_callback_t triggered,
perf_overflow_handler_t triggered,
struct task_struct *tsk) { return NULL; }
static inline struct perf_event *
static inline int
modify_user_hw_breakpoint(struct perf_event *bp,
struct perf_event_attr *attr,
perf_callback_t triggered,
struct task_struct *tsk) { return NULL; }
struct perf_event_attr *attr) { return NULL; }
static inline struct perf_event *
register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr,
perf_callback_t triggered,
perf_overflow_handler_t triggered,
int cpu) { return NULL; }
static inline struct perf_event **
register_wide_hw_breakpoint(struct perf_event_attr *attr,
perf_callback_t triggered) { return NULL; }
perf_overflow_handler_t triggered) { return NULL; }
static inline int
register_perf_hw_breakpoint(struct perf_event *bp) { return -ENOSYS; }
static inline int

41
include/linux/perf_event.h
View file

@ -18,10 +18,6 @@
#include <linux/ioctl.h>
#include <asm/byteorder.h>
#ifdef CONFIG_HAVE_HW_BREAKPOINT
#include <asm/hw_breakpoint.h>
#endif
/*
* User-space ABI bits:
*/
@ -215,12 +211,12 @@ struct perf_event_attr {
__u32 wakeup_watermark; /* bytes before wakeup */
};
union {
struct { /* Hardware breakpoint info */
__u64 bp_addr;
__u32 bp_type;
__u32 bp_len;
};
struct { /* Hardware breakpoint info */
__u64 bp_addr;
__u32 bp_type;
__u32 bp_len;
__u64 __bp_reserved_1;
__u64 __bp_reserved_2;
};
__u32 __reserved_2;
@ -451,6 +447,10 @@ enum perf_callchain_context {
# include <asm/perf_event.h>
#endif
#ifdef CONFIG_HAVE_HW_BREAKPOINT
#include <asm/hw_breakpoint.h>
#endif
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/rculist.h>
@ -565,10 +565,12 @@ struct perf_pending_entry {
void (*func)(struct perf_pending_entry *);
};
typedef void (*perf_callback_t)(struct perf_event *, void *);
struct perf_sample_data;
typedef void (*perf_overflow_handler_t)(struct perf_event *, int,
struct perf_sample_data *,
struct pt_regs *regs);
/**
* struct perf_event - performance event kernel representation:
*/
@ -660,18 +662,12 @@ struct perf_event {
struct pid_namespace *ns;
u64 id;
void (*overflow_handler)(struct perf_event *event,
int nmi, struct perf_sample_data *data,
struct pt_regs *regs);
perf_overflow_handler_t overflow_handler;
#ifdef CONFIG_EVENT_PROFILE
struct event_filter *filter;
#endif
perf_callback_t callback;
perf_callback_t event_callback;
#endif /* CONFIG_PERF_EVENTS */
};
@ -781,7 +777,7 @@ extern struct perf_event *
perf_event_create_kernel_counter(struct perf_event_attr *attr,
int cpu,
pid_t pid,
perf_callback_t callback);
perf_overflow_handler_t callback);
extern u64 perf_event_read_value(struct perf_event *event,
u64 *enabled, u64 *running);
@ -876,6 +872,8 @@ extern void perf_output_copy(struct perf_output_handle *handle,
const void *buf, unsigned int len);
extern int perf_swevent_get_recursion_context(void);
extern void perf_swevent_put_recursion_context(int rctx);
extern void perf_event_enable(struct perf_event *event);
extern void perf_event_disable(struct perf_event *event);
#else
static inline void
perf_event_task_sched_in(struct task_struct *task, int cpu) { }
@ -906,7 +904,8 @@ static inline void perf_event_fork(struct task_struct *tsk) { }
static inline void perf_event_init(void) { }
static inline int perf_swevent_get_recursion_context(void) { return -1; }
static inline void perf_swevent_put_recursion_context(int rctx) { }
static inline void perf_event_enable(struct perf_event *event) { }
static inline void perf_event_disable(struct perf_event *event) { }
#endif
#define perf_output_put(handle, x) \

3
include/linux/sched.h
View file

@ -1840,7 +1840,8 @@ static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
extern int sched_clock_stable;
#endif
extern unsigned long long sched_clock(void);
/* ftrace calls sched_clock() directly */
extern unsigned long long notrace sched_clock(void);
extern void sched_clock_init(void);
extern u64 sched_clock_cpu(int cpu);