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

Browse source 
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (172 commits)
  perf_event, amd: Fix spinlock initialization
  perf_event: Fix preempt warning in perf_clock()
  perf tools: Flush maps on COMM events
  perf_events, x86: Split PMU definitions into separate files
  perf annotate: Handle samples not at objdump output addr boundaries
  perf_events, x86: Remove superflous MSR writes
  perf_events: Simplify code by removing cpu argument to hw_perf_group_sched_in()
  perf_events, x86: AMD event scheduling
  perf_events: Add new start/stop PMU callbacks
  perf_events: Report the MMAP pgoff value in bytes
  perf annotate: Defer allocating sym_priv->hist array
  perf symbols: Improve debugging information about symtab origins
  perf top: Use a macro instead of a constant variable
  perf symbols: Check the right return variable
  perf/scripts: Tag syscall_name helper as not yet available
  perf/scripts: Add perf-trace-python Documentation
  perf/scripts: Remove unnecessary PyTuple resizes
  perf/scripts: Add syscall tracing scripts
  perf/scripts: Add Python scripting engine
  perf/scripts: Remove check-perf-trace from listed scripts
  ...

Fix trivial conflict in tools/perf/util/probe-event.c
This commit is contained in:
Linus Torvalds 2010-02-28 10:20:25 -08:00
commit 6556a67435
131 changed files with 8522 additions and 3397 deletions
Download patch file Download diff file Expand all files Collapse all files

29
include/linux/bitops.h
View file

@ -25,7 +25,7 @@
static __inline__ int get_bitmask_order(unsigned int count)
{
int order;
order = fls(count);
return order; /* We could be slightly more clever with -1 here... */
}
@ -33,7 +33,7 @@ static __inline__ int get_bitmask_order(unsigned int count)
static __inline__ int get_count_order(unsigned int count)
{
int order;
order = fls(count) - 1;
if (count & (count - 1))
order++;
@ -45,6 +45,31 @@ static inline unsigned long hweight_long(unsigned long w)
return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
}
/*
* Clearly slow versions of the hweightN() functions, their benefit is
* of course compile time evaluation of constant arguments.
*/
#define HWEIGHT8(w) \
( BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + \
(!!((w) & (1ULL << 0))) + \
(!!((w) & (1ULL << 1))) + \
(!!((w) & (1ULL << 2))) + \
(!!((w) & (1ULL << 3))) + \
(!!((w) & (1ULL << 4))) + \
(!!((w) & (1ULL << 5))) + \
(!!((w) & (1ULL << 6))) + \
(!!((w) & (1ULL << 7))) )
#define HWEIGHT16(w) (HWEIGHT8(w) + HWEIGHT8((w) >> 8))
#define HWEIGHT32(w) (HWEIGHT16(w) + HWEIGHT16((w) >> 16))
#define HWEIGHT64(w) (HWEIGHT32(w) + HWEIGHT32((w) >> 32))
/*
* Type invariant version that simply casts things to the
* largest type.
*/
#define HWEIGHT(w) HWEIGHT64((u64)(w))
/**
* rol32 - rotate a 32-bit value left
* @word: value to rotate

7
include/linux/ftrace.h
View file

@ -134,6 +134,8 @@ extern void
unregister_ftrace_function_probe_func(char *glob, struct ftrace_probe_ops *ops);
extern void unregister_ftrace_function_probe_all(char *glob);
extern int ftrace_text_reserved(void *start, void *end);
enum {
FTRACE_FL_FREE = (1 << 0),
FTRACE_FL_FAILED = (1 << 1),
@ -141,7 +143,6 @@ enum {
FTRACE_FL_ENABLED = (1 << 3),
FTRACE_FL_NOTRACE = (1 << 4),
FTRACE_FL_CONVERTED = (1 << 5),
FTRACE_FL_FROZEN = (1 << 6),
};
struct dyn_ftrace {
@ -250,6 +251,10 @@ static inline int unregister_ftrace_command(char *cmd_name)
{
return -EINVAL;
}
static inline int ftrace_text_reserved(void *start, void *end)
{
return 0;
}
#endif /* CONFIG_DYNAMIC_FTRACE */
/* totally disable ftrace - can not re-enable after this */

20
include/linux/ftrace_event.h
View file

@ -5,6 +5,7 @@
#include <linux/trace_seq.h>
#include <linux/percpu.h>
#include <linux/hardirq.h>
#include <linux/perf_event.h>
struct trace_array;
struct tracer;
@ -137,9 +138,6 @@ struct ftrace_event_call {
#define FTRACE_MAX_PROFILE_SIZE 2048
extern char *perf_trace_buf;
extern char *perf_trace_buf_nmi;
#define MAX_FILTER_PRED 32
#define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */
@ -187,13 +185,27 @@ do { \
__trace_printk(ip, fmt, ##args); \
} while (0)
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_PERF_EVENTS
struct perf_event;
extern int ftrace_profile_enable(int event_id);
extern void ftrace_profile_disable(int event_id);
extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
char *filter_str);
extern void ftrace_profile_free_filter(struct perf_event *event);
extern void *
ftrace_perf_buf_prepare(int size, unsigned short type, int *rctxp,
unsigned long *irq_flags);
static inline void
ftrace_perf_buf_submit(void *raw_data, int size, int rctx, u64 addr,
u64 count, unsigned long irq_flags)
{
struct trace_entry *entry = raw_data;
perf_tp_event(entry->type, addr, count, raw_data, size);
perf_swevent_put_recursion_context(rctx);
local_irq_restore(irq_flags);
}
#endif
#endif /* _LINUX_FTRACE_EVENT_H */

14
include/linux/list.h
View file

@ -205,6 +205,20 @@ static inline int list_empty_careful(const struct list_head *head)
return (next == head) && (next == head->prev);
}
/**
* list_rotate_left - rotate the list to the left
* @head: the head of the list
*/
static inline void list_rotate_left(struct list_head *head)
{
struct list_head *first;
if (!list_empty(head)) {
first = head->next;
list_move_tail(first, head);
}
}
/**
* list_is_singular - tests whether a list has just one entry.
* @head: the list to test.

55
include/linux/perf_event.h
View file

@ -288,7 +288,7 @@ struct perf_event_mmap_page {
};
#define PERF_RECORD_MISC_CPUMODE_MASK (3 << 0)
#define PERF_RECORD_MISC_CPUMODE_UNKNOWN (0 << 0)
#define PERF_RECORD_MISC_CPUMODE_UNKNOWN (0 << 0)
#define PERF_RECORD_MISC_KERNEL (1 << 0)
#define PERF_RECORD_MISC_USER (2 << 0)
#define PERF_RECORD_MISC_HYPERVISOR (3 << 0)
@ -354,8 +354,8 @@ enum perf_event_type {
* u64 stream_id;
* };
*/
PERF_RECORD_THROTTLE = 5,
PERF_RECORD_UNTHROTTLE = 6,
PERF_RECORD_THROTTLE = 5,
PERF_RECORD_UNTHROTTLE = 6,
/*
* struct {
@ -369,10 +369,10 @@ enum perf_event_type {
/*
* struct {
* struct perf_event_header header;
* u32 pid, tid;
* struct perf_event_header header;
* u32 pid, tid;
*
* struct read_format values;
* struct read_format values;
* };
*/
PERF_RECORD_READ = 8,
@ -410,7 +410,7 @@ enum perf_event_type {
* char data[size];}&& PERF_SAMPLE_RAW
* };
*/
PERF_RECORD_SAMPLE = 9,
PERF_RECORD_SAMPLE = 9,
PERF_RECORD_MAX, /* non-ABI */
};
@ -476,9 +476,11 @@ struct hw_perf_event {
union {
struct { /* hardware */
u64 config;
u64 last_tag;
unsigned long config_base;
unsigned long event_base;
int idx;
int last_cpu;
};
struct { /* software */
s64 remaining;
@ -496,9 +498,8 @@ struct hw_perf_event {
atomic64_t period_left;
u64 interrupts;
u64 freq_count;
u64 freq_interrupts;
u64 freq_stamp;
u64 freq_time_stamp;
u64 freq_count_stamp;
#endif
};
@ -510,6 +511,8 @@ struct perf_event;
struct pmu {
int (*enable) (struct perf_event *event);
void (*disable) (struct perf_event *event);
int (*start) (struct perf_event *event);
void (*stop) (struct perf_event *event);
void (*read) (struct perf_event *event);
void (*unthrottle) (struct perf_event *event);
};
@ -563,6 +566,10 @@ typedef void (*perf_overflow_handler_t)(struct perf_event *, int,
struct perf_sample_data *,
struct pt_regs *regs);
enum perf_group_flag {
PERF_GROUP_SOFTWARE = 0x1,
};
/**
* struct perf_event - performance event kernel representation:
*/
@ -572,6 +579,7 @@ struct perf_event {
struct list_head event_entry;
struct list_head sibling_list;
int nr_siblings;
int group_flags;
struct perf_event *group_leader;
struct perf_event *output;
const struct pmu *pmu;
@ -656,7 +664,7 @@ struct perf_event {
perf_overflow_handler_t overflow_handler;
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_EVENT_TRACING
struct event_filter *filter;
#endif
@ -681,7 +689,8 @@ struct perf_event_context {
*/
struct mutex mutex;
struct list_head group_list;
struct list_head pinned_groups;
struct list_head flexible_groups;
struct list_head event_list;
int nr_events;
int nr_active;
@ -744,10 +753,9 @@ extern int perf_max_events;
extern const struct pmu *hw_perf_event_init(struct perf_event *event);
extern void perf_event_task_sched_in(struct task_struct *task, int cpu);
extern void perf_event_task_sched_out(struct task_struct *task,
struct task_struct *next, int cpu);
extern void perf_event_task_tick(struct task_struct *task, int cpu);
extern void perf_event_task_sched_in(struct task_struct *task);
extern void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next);
extern void perf_event_task_tick(struct task_struct *task);
extern int perf_event_init_task(struct task_struct *child);
extern void perf_event_exit_task(struct task_struct *child);
extern void perf_event_free_task(struct task_struct *task);
@ -762,7 +770,7 @@ extern int perf_event_task_disable(void);
extern int perf_event_task_enable(void);
extern int hw_perf_group_sched_in(struct perf_event *group_leader,
struct perf_cpu_context *cpuctx,
struct perf_event_context *ctx, int cpu);
struct perf_event_context *ctx);
extern void perf_event_update_userpage(struct perf_event *event);
extern int perf_event_release_kernel(struct perf_event *event);
extern struct perf_event *
@ -851,8 +859,7 @@ extern int sysctl_perf_event_mlock;
extern int sysctl_perf_event_sample_rate;
extern void perf_event_init(void);
extern void perf_tp_event(int event_id, u64 addr, u64 count,
void *record, int entry_size);
extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record, int entry_size);
extern void perf_bp_event(struct perf_event *event, void *data);
#ifndef perf_misc_flags
@ -873,12 +880,12 @@ 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) { }
perf_event_task_sched_in(struct task_struct *task) { }
static inline void
perf_event_task_sched_out(struct task_struct *task,
struct task_struct *next, int cpu) { }
struct task_struct *next) { }
static inline void
perf_event_task_tick(struct task_struct *task, int cpu) { }
perf_event_task_tick(struct task_struct *task) { }
static inline int perf_event_init_task(struct task_struct *child) { return 0; }
static inline void perf_event_exit_task(struct task_struct *child) { }
static inline void perf_event_free_task(struct task_struct *task) { }
@ -893,13 +900,13 @@ static inline void
perf_sw_event(u32 event_id, u64 nr, int nmi,
struct pt_regs *regs, u64 addr) { }
static inline void
perf_bp_event(struct perf_event *event, void *data) { }
perf_bp_event(struct perf_event *event, void *data) { }
static inline void perf_event_mmap(struct vm_area_struct *vma) { }
static inline void perf_event_comm(struct task_struct *tsk) { }
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 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) { }

4
include/linux/syscalls.h
View file

@ -99,7 +99,7 @@ struct perf_event_attr;
#define __SC_TEST5(t5, a5, ...) __SC_TEST(t5); __SC_TEST4(__VA_ARGS__)
#define __SC_TEST6(t6, a6, ...) __SC_TEST(t6); __SC_TEST5(__VA_ARGS__)
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_PERF_EVENTS
#define TRACE_SYS_ENTER_PROFILE_INIT(sname) \
.profile_enable = prof_sysenter_enable, \
@ -113,7 +113,7 @@ struct perf_event_attr;
#define TRACE_SYS_ENTER_PROFILE_INIT(sname)
#define TRACE_SYS_EXIT_PROFILE(sname)
#define TRACE_SYS_EXIT_PROFILE_INIT(sname)
#endif
#endif /* CONFIG_PERF_EVENTS */
#ifdef CONFIG_FTRACE_SYSCALLS
#define __SC_STR_ADECL1(t, a) #a