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authorLinus Torvalds <torvalds@linux-foundation.org>2010-06-03 15:45:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-03 15:45:26 -0700
commitf150dba6d4a1e275b62ca76572c2786c71b91e85 (patch)
tree1fb8ed0a64f69431e8a3304a1b346a19979028b9 /include
parent636667a545b2d16797f27002a65d688c195c9b60 (diff)
parentc6df8d5ab87a246942d138321e1721edbb69f6e1 (diff)
Merge branch 'perf-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* '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
Diffstat (limited to 'include')
-rw-r--r--include/linux/perf_event.h9
-rw-r--r--include/trace/ftrace.h2
2 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index fb6c91eac7e3..5d0266d94985 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -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 */
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 3d685d1f2a03..5a64905d7278 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -725,7 +725,7 @@ perf_trace_##call(void *__data, proto) \
\
{ assign; } \
\
- head = per_cpu_ptr(event_call->perf_events, smp_processor_id());\
+ head = this_cpu_ptr(event_call->perf_events); \
perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \
__count, &__regs, head); \
}