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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: (311 commits)
  perf tools: Add mode to build without newt support
  perf symbols: symbol inconsistency message should be done only at verbose=1
  perf tui: Add explicit -lslang option
  perf options: Type check all the remaining OPT_ variants
  perf options: Type check OPT_BOOLEAN and fix the offenders
  perf options: Check v type in OPT_U?INTEGER
  perf options: Introduce OPT_UINTEGER
  perf tui: Add workaround for slang < 2.1.4
  perf record: Fix bug mismatch with -c option definition
  perf options: Introduce OPT_U64
  perf tui: Add help window to show key associations
  perf tui: Make <- exit menus too
  perf newt: Add single key shortcuts for zoom into DSO and threads
  perf newt: Exit browser unconditionally when CTRL+C, q or Q is pressed
  perf newt: Fix the 'A'/'a' shortcut for annotate
  perf newt: Make <- exit the ui_browser
  x86, perf: P4 PMU - fix counters management logic
  perf newt: Make <- zoom out filters
  perf report: Report number of events, not samples
  perf hist: Clarify events_stats fields usage
  ...

Fix up trivial conflicts in kernel/fork.c and tools/perf/builtin-record.c
This commit is contained in:
Linus Torvalds 2010-05-18 08:19:03 -07:00
commit 4d7b4ac22f
207 changed files with 14649 additions and 8110 deletions
Download patch file Download diff file Expand all files Collapse all files

12
include/linux/ftrace.h
View file

@ -504,18 +504,6 @@ extern int ftrace_dump_on_oops;
#define INIT_TRACE_RECURSION
#endif
#ifdef CONFIG_HW_BRANCH_TRACER
void trace_hw_branch(u64 from, u64 to);
void trace_hw_branch_oops(void);
#else /* CONFIG_HW_BRANCH_TRACER */
static inline void trace_hw_branch(u64 from, u64 to) {}
static inline void trace_hw_branch_oops(void) {}
#endif /* CONFIG_HW_BRANCH_TRACER */
#ifdef CONFIG_FTRACE_SYSCALLS
unsigned long arch_syscall_addr(int nr);

25
include/linux/hw_breakpoint.h
View file

@ -9,9 +9,22 @@ enum {
};
enum {
HW_BREAKPOINT_R = 1,
HW_BREAKPOINT_W = 2,
HW_BREAKPOINT_X = 4,
HW_BREAKPOINT_EMPTY = 0,
HW_BREAKPOINT_R = 1,
HW_BREAKPOINT_W = 2,
HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W,
HW_BREAKPOINT_X = 4,
HW_BREAKPOINT_INVALID = HW_BREAKPOINT_RW | HW_BREAKPOINT_X,
};
enum bp_type_idx {
TYPE_INST = 0,
#ifdef CONFIG_HAVE_MIXED_BREAKPOINTS_REGS
TYPE_DATA = 0,
#else
TYPE_DATA = 1,
#endif
TYPE_MAX
};
#ifdef __KERNEL__
@ -34,6 +47,12 @@ static inline void hw_breakpoint_init(struct perf_event_attr *attr)
attr->sample_period = 1;
}
static inline void ptrace_breakpoint_init(struct perf_event_attr *attr)
{
hw_breakpoint_init(attr);
attr->exclude_kernel = 1;
}
static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
{
return bp->attr.bp_addr;

4
include/linux/mm.h
View file

@ -19,7 +19,6 @@ struct anon_vma;
struct file_ra_state;
struct user_struct;
struct writeback_control;
struct rlimit;
#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */
extern unsigned long max_mapnr;
@ -1449,9 +1448,6 @@ int vmemmap_populate_basepages(struct page *start_page,
int vmemmap_populate(struct page *start_page, unsigned long pages, int node);
void vmemmap_populate_print_last(void);
extern int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
size_t size);
extern void refund_locked_memory(struct mm_struct *mm, size_t size);
enum mf_flags {
MF_COUNT_INCREASED = 1 << 0,

81
include/linux/perf_event.h
View file

@ -203,8 +203,19 @@ struct perf_event_attr {
enable_on_exec : 1, /* next exec enables */
task : 1, /* trace fork/exit */
watermark : 1, /* wakeup_watermark */
/*
* precise_ip:
*
* 0 - SAMPLE_IP can have arbitrary skid
* 1 - SAMPLE_IP must have constant skid
* 2 - SAMPLE_IP requested to have 0 skid
* 3 - SAMPLE_IP must have 0 skid
*
* See also PERF_RECORD_MISC_EXACT_IP
*/
precise_ip : 2, /* skid constraint */
__reserved_1 : 49;
__reserved_1 : 47;
union {
__u32 wakeup_events; /* wakeup every n events */
@ -287,11 +298,24 @@ struct perf_event_mmap_page {
__u64 data_tail; /* user-space written tail */
};
#define PERF_RECORD_MISC_CPUMODE_MASK (3 << 0)
#define PERF_RECORD_MISC_CPUMODE_MASK (7 << 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)
#define PERF_RECORD_MISC_GUEST_KERNEL (4 << 0)
#define PERF_RECORD_MISC_GUEST_USER (5 << 0)
/*
* Indicates that the content of PERF_SAMPLE_IP points to
* the actual instruction that triggered the event. See also
* perf_event_attr::precise_ip.
*/
#define PERF_RECORD_MISC_EXACT_IP (1 << 14)
/*
* Reserve the last bit to indicate some extended misc field
*/
#define PERF_RECORD_MISC_EXT_RESERVED (1 << 15)
struct perf_event_header {
__u32 type;
@ -439,6 +463,12 @@ enum perf_callchain_context {
# include <asm/perf_event.h>
#endif
struct perf_guest_info_callbacks {
int (*is_in_guest) (void);
int (*is_user_mode) (void);
unsigned long (*get_guest_ip) (void);
};
#ifdef CONFIG_HAVE_HW_BREAKPOINT
#include <asm/hw_breakpoint.h>
#endif
@ -468,6 +498,17 @@ struct perf_raw_record {
void *data;
};
struct perf_branch_entry {
__u64 from;
__u64 to;
__u64 flags;
};
struct perf_branch_stack {
__u64 nr;
struct perf_branch_entry entries[0];
};
struct task_struct;
/**
@ -506,6 +547,8 @@ struct hw_perf_event {
struct perf_event;
#define PERF_EVENT_TXN_STARTED 1
/**
* struct pmu - generic performance monitoring unit
*/
@ -516,6 +559,16 @@ struct pmu {
void (*stop) (struct perf_event *event);
void (*read) (struct perf_event *event);
void (*unthrottle) (struct perf_event *event);
/*
* group events scheduling is treated as a transaction,
* add group events as a whole and perform one schedulability test.
* If test fails, roll back the whole group
*/
void (*start_txn) (const struct pmu *pmu);
void (*cancel_txn) (const struct pmu *pmu);
int (*commit_txn) (const struct pmu *pmu);
};
/**
@ -571,6 +624,14 @@ enum perf_group_flag {
PERF_GROUP_SOFTWARE = 0x1,
};
#define SWEVENT_HLIST_BITS 8
#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
struct swevent_hlist {
struct hlist_head heads[SWEVENT_HLIST_SIZE];
struct rcu_head rcu_head;
};
/**
* struct perf_event - performance event kernel representation:
*/
@ -579,6 +640,7 @@ struct perf_event {
struct list_head group_entry;
struct list_head event_entry;
struct list_head sibling_list;
struct hlist_node hlist_entry;
int nr_siblings;
int group_flags;
struct perf_event *group_leader;
@ -726,6 +788,9 @@ struct perf_cpu_context {
int active_oncpu;
int max_pertask;
int exclusive;
struct swevent_hlist *swevent_hlist;
struct mutex hlist_mutex;
int hlist_refcount;
/*
* Recursion avoidance:
@ -769,9 +834,6 @@ extern void perf_disable(void);
extern void perf_enable(void);
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);
extern void perf_event_update_userpage(struct perf_event *event);
extern int perf_event_release_kernel(struct perf_event *event);
extern struct perf_event *
@ -902,6 +964,10 @@ static inline void perf_event_mmap(struct vm_area_struct *vma)
__perf_event_mmap(vma);
}
extern struct perf_guest_info_callbacks *perf_guest_cbs;
extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks);
extern int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks);
extern void perf_event_comm(struct task_struct *tsk);
extern void perf_event_fork(struct task_struct *tsk);
@ -971,6 +1037,11 @@ perf_sw_event(u32 event_id, u64 nr, int nmi,
static inline void
perf_bp_event(struct perf_event *event, void *data) { }
static inline int perf_register_guest_info_callbacks
(struct perf_guest_info_callbacks *callbacks) { return 0; }
static inline int perf_unregister_guest_info_callbacks
(struct perf_guest_info_callbacks *callbacks) { return 0; }
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) { }

12
include/linux/ptrace.h
View file

@ -345,18 +345,6 @@ static inline void user_single_step_siginfo(struct task_struct *tsk,
#define arch_ptrace_stop(code, info) do { } while (0)
#endif
#ifndef arch_ptrace_untrace
/*
* Do machine-specific work before untracing child.
*
* This is called for a normal detach as well as from ptrace_exit()
* when the tracing task dies.
*
* Called with write_lock(&tasklist_lock) held.
*/
#define arch_ptrace_untrace(task) do { } while (0)
#endif
extern int task_current_syscall(struct task_struct *target, long *callno,
unsigned long args[6], unsigned int maxargs,
unsigned long *sp, unsigned long *pc);

9
include/linux/sched.h
View file

@ -99,7 +99,6 @@ struct futex_pi_state;
struct robust_list_head;
struct bio_list;
struct fs_struct;
struct bts_context;
struct perf_event_context;
/*
@ -1272,12 +1271,6 @@ struct task_struct {
struct list_head ptraced;
struct list_head ptrace_entry;
/*
* This is the tracer handle for the ptrace BTS extension.
* This field actually belongs to the ptracer task.
*/
struct bts_context *bts;
/* PID/PID hash table linkage. */
struct pid_link pids[PIDTYPE_MAX];
struct list_head thread_group;
@ -2122,10 +2115,8 @@ extern void set_task_comm(struct task_struct *tsk, char *from);
extern char *get_task_comm(char *to, struct task_struct *tsk);
#ifdef CONFIG_SMP
extern void wait_task_context_switch(struct task_struct *p);
extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
#else
static inline void wait_task_context_switch(struct task_struct *p) {}
static inline unsigned long wait_task_inactive(struct task_struct *p,
long match_state)
{