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Merge branch 'perf-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'perf-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf: Fix crash in swevents
  perf buildid-list: Fix --with-hits event processing
  perf scripts python: Give field dict to unhandled callback
  perf hist: fix objdump output parsing
  perf-record: Check correct pid when forking
  perf: Do the comm inheritance per thread in event__process_task
  perf: Use event__process_task from perf sched
  perf: Process comm events by tid
  blktrace: Fix new kernel-doc warnings
  perf_events: Fix unincremented buffer base on partial copy
  perf_events: Fix event scheduling issues introduced by transactional API
  perf_events, trace: Fix perf_trace_destroy(), mutex went missing
  perf_events, trace: Fix probe unregister race
  perf_events: Fix races in group composition
  perf_events: Fix races and clean up perf_event and perf_mmap_data interaction
This commit is contained in:
Linus Torvalds
2010-06-03 15:45:26 -07:00
parent 636667a545 c6df8d5ab8
commit f150dba6d4
15 changed files with 309 additions and 176 deletions
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9
include/linux/perf_event.h
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@@ -585,6 +585,7 @@ enum perf_event_active_state {
struct file;
struct perf_mmap_data {
atomic_t refcount;
struct rcu_head rcu_head;
#ifdef CONFIG_PERF_USE_VMALLOC
struct work_struct work;
@@ -592,7 +593,6 @@ struct perf_mmap_data {
#endif
int nr_pages; /* nr of data pages */
int writable; /* are we writable */
int nr_locked; /* nr pages mlocked */
atomic_t poll; /* POLL_ for wakeups */
@@ -631,6 +631,9 @@ struct swevent_hlist {
struct rcu_head rcu_head;
};
#define PERF_ATTACH_CONTEXT 0x01
#define PERF_ATTACH_GROUP 0x02
/**
* struct perf_event - performance event kernel representation:
*/
@@ -643,10 +646,10 @@ struct perf_event {
int nr_siblings;
int group_flags;
struct perf_event *group_leader;
struct perf_event *output;
const struct pmu *pmu;
enum perf_event_active_state state;
unsigned int attach_state;
atomic64_t count;
/*
@@ -704,6 +707,8 @@ struct perf_event {
/* mmap bits */
struct mutex mmap_mutex;
atomic_t mmap_count;
int mmap_locked;
struct user_struct *mmap_user;
struct perf_mmap_data *data;
/* poll related */