diff options
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 3fd5c82e0e18..fb6c91eac7e3 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -485,6 +485,7 @@ struct perf_guest_info_callbacks { #include <linux/ftrace.h> #include <linux/cpu.h> #include <asm/atomic.h> +#include <asm/local.h> #define PERF_MAX_STACK_DEPTH 255 @@ -587,21 +588,19 @@ struct perf_mmap_data { struct rcu_head rcu_head; #ifdef CONFIG_PERF_USE_VMALLOC struct work_struct work; + int page_order; /* allocation order */ #endif - int data_order; int nr_pages; /* nr of data pages */ int writable; /* are we writable */ int nr_locked; /* nr pages mlocked */ atomic_t poll; /* POLL_ for wakeups */ - atomic_t events; /* event_id limit */ - atomic_long_t head; /* write position */ - atomic_long_t done_head; /* completed head */ - - atomic_t lock; /* concurrent writes */ - atomic_t wakeup; /* needs a wakeup */ - atomic_t lost; /* nr records lost */ + local_t head; /* write position */ + local_t nest; /* nested writers */ + local_t events; /* event limit */ + local_t wakeup; /* wakeup stamp */ + local_t lost; /* nr records lost */ long watermark; /* wakeup watermark */ @@ -728,6 +727,7 @@ struct perf_event { perf_overflow_handler_t overflow_handler; #ifdef CONFIG_EVENT_TRACING + struct ftrace_event_call *tp_event; struct event_filter *filter; #endif @@ -803,11 +803,12 @@ struct perf_cpu_context { struct perf_output_handle { struct perf_event *event; struct perf_mmap_data *data; - unsigned long head; - unsigned long offset; + unsigned long wakeup; + unsigned long size; + void *addr; + int page; int nmi; int sample; - int locked; }; #ifdef CONFIG_PERF_EVENTS @@ -993,8 +994,9 @@ static inline bool perf_paranoid_kernel(void) } extern void perf_event_init(void); -extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record, - int entry_size, struct pt_regs *regs); +extern void perf_tp_event(u64 addr, u64 count, void *record, + int entry_size, struct pt_regs *regs, + struct hlist_head *head); extern void perf_bp_event(struct perf_event *event, void *data); #ifndef perf_misc_flags |