1 files changed, 65 insertions, 34 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index c66b34f75ee..6f8cd7da1a0 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -211,11 +211,9 @@ struct perf_event_attr {
                 __u32           wakeup_watermark; /* bytes before wakeup   */
         };
 
-        __u32                   __reserved_2;
-
-        __u64                   bp_addr;
         __u32                   bp_type;
-        __u32                   bp_len;
+        __u64                   bp_addr;
+        __u64                   bp_len;
 };
 
 /*
@@ -290,7 +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)
@@ -356,8 +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 {
@@ -371,10 +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,
@@ -412,7 +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 */
 };
@@ -478,18 +476,19 @@ 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;
                         struct hrtimer  hrtimer;
                 };
 #ifdef CONFIG_HAVE_HW_BREAKPOINT
-                union { /* breakpoint */
-                        struct arch_hw_breakpoint       info;
-                };
+                /* breakpoint */
+                struct arch_hw_breakpoint       info;
 #endif
         };
         atomic64_t                      prev_count;
@@ -498,9 +497,8 @@ 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
 };
 
@@ -512,6 +510,8 @@ 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);
 };
@@ -565,6 +565,10 @@ 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:
  */
@@ -574,6 +578,7 @@ 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;
@@ -658,7 +663,7 @@ struct perf_event {
 
         perf_overflow_handler_t         overflow_handler;
 
-#ifdef CONFIG_EVENT_PROFILE
+#ifdef CONFIG_EVENT_TRACING
         struct event_filter             *filter;
 #endif
 
@@ -683,7 +688,8 @@ 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;
@@ -746,10 +752,9 @@ 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);
@@ -764,7 +769,7 @@ 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 *
@@ -796,6 +801,13 @@ struct perf_sample_data {
         struct perf_raw_record          *raw;
 };
 
+static inline
+void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
+{
+        data->addr = addr;
+        data->raw  = NULL;
+}
+
 extern void perf_output_sample(struct perf_output_handle *handle,
                                struct perf_event_header *header,
                                struct perf_sample_data *data,
@@ -814,9 +826,14 @@ extern int perf_event_overflow(struct perf_event *event, int nmi,
  */
 static inline int is_software_event(struct perf_event *event)
 {
-        return (event->attr.type != PERF_TYPE_RAW) &&
-                (event->attr.type != PERF_TYPE_HARDWARE) &&
-                (event->attr.type != PERF_TYPE_HW_CACHE);
+        switch (event->attr.type) {
+        case PERF_TYPE_SOFTWARE:
+        case PERF_TYPE_TRACEPOINT:
+        /* for now the breakpoint stuff also works as software event */
+        case PERF_TYPE_BREAKPOINT:
+                return 1;
+        }
+        return 0;
 }
 
 extern atomic_t perf_swevent_enabled[PERF_COUNT_SW_MAX];
@@ -847,9 +864,23 @@ extern int sysctl_perf_event_paranoid;
 extern int sysctl_perf_event_mlock;
 extern int sysctl_perf_event_sample_rate;
 
+static inline bool perf_paranoid_tracepoint_raw(void)
+{
+        return sysctl_perf_event_paranoid > -1;
+}
+
+static inline bool perf_paranoid_cpu(void)
+{
+        return sysctl_perf_event_paranoid > 0;
+}
+
+static inline bool perf_paranoid_kernel(void)
+{
+        return sysctl_perf_event_paranoid > 1;
+}
+
 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
@@ -870,12 +901,12 @@ 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)       { }
@@ -890,13 +921,13 @@ 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)         { }