xnu-3789.1.32.tar.gz

[apple/xnu.git] / osfmk / kern / processor_data.h

diff --git a/osfmk/kern/processor_data.h b/osfmk/kern/processor_data.h
index 5a83c61c8dd1e49d5a4a93c4177d0eab61c68ac8..799a31dc71c97e3dff3554cc01a08ec7bc35bb57 100644 (file)
--- a/osfmk/kern/processor_data.h
+++ b/osfmk/kern/processor_data.h
@@ -60,11 +60,11 @@ struct processor_data {
        timer_data_t                    system_state;
        timer_data_t                    user_state;
 
-       timer_t                                 current_state;
+       timer_t                                 current_state; /* points to processor's idle, system, or user state timer */
 
        /* Thread execution timers */
-       timer_t                                 thread_timer;
-       timer_t                                 kernel_timer;
+       timer_t                                 thread_timer; /* points to current thread's user or system timer */
+       timer_t                                 kernel_timer; /* points to current thread's system_timer */
 
        /* Kernel stack cache */
        struct stack_cache {
@@ -82,12 +82,21 @@ struct processor_data {
                unsigned int                    avail;
        }                                               ikm_cache;
 
-       unsigned long                   page_grab_count;
+       /* waitq prepost cache */
+#define WQP_CACHE_MAX  50
+       struct wqp_cache {
+               uint64_t                head;
+               unsigned int            avail;
+       } wqp_cache;
+
        int                                             start_color;
+       unsigned long                   page_grab_count;
        void                                    *free_pages;
-
        struct processor_sched_statistics sched_stats;
-       uint64_t        timer_call_ttd; /* current timer call time-to-deadline */
+       uint64_t        timer_call_ttd; /* current timer call time-to-deadline */
+       uint64_t        wakeups_issued_total; /* Count of thread wakeups issued
+                                              * by this processor
+                                              */
 };
 
 typedef struct processor_data  processor_data_t;