xnu-4903.241.1.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 4debe720d69cfe91819793e6af56aba045e0ccdf..8e70723bc1f115d514a55f11ab20990883f7548d 100644 (file)
--- a/osfmk/kern/processor_data.h
+++ b/osfmk/kern/processor_data.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2003-2009 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -40,6 +40,20 @@
 
 #include <ipc/ipc_kmsg.h>
 #include <kern/timer.h>
+#include <kern/debug.h>
+
+struct processor_sched_statistics {
+       uint32_t                csw_count;
+       uint32_t                preempt_count;
+       uint32_t                preempted_rt_count;
+       uint32_t                preempted_by_rt_count;
+       uint32_t                rt_sched_count;
+       uint32_t                interrupt_count;
+       uint32_t                ipi_count;
+       uint32_t                timer_pop_count;
+       uint32_t                idle_transitions;
+       uint32_t                quantum_timer_expirations;
+};
 
 struct processor_data {
        /* Processor state statistics */
@@ -47,11 +61,11 @@ 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 {
@@ -59,24 +73,36 @@ struct processor_data {
                unsigned int                    count;
        }                                               stack_cache;
 
-       /* Pending timer callouts */
-       queue_head_t                    timer_call_queue;
-
        /* VM event counters */
-       vm_statistics_data_t    vm_stat;
-
-       /* IPC free message cache */
-       struct ikm_cache {
-#define IKM_STASH      16
-               ipc_kmsg_t                              entries[IKM_STASH];
-               unsigned int                    avail;
-       }                                               ikm_cache;
+       vm_statistics64_data_t  vm_stat;
 
-       int                                             slot_num;
+       /* waitq prepost cache */
+#define WQP_CACHE_MAX  50
+       struct wqp_cache {
+               uint64_t                head;
+               unsigned int            avail;
+       } wqp_cache;
 
-       unsigned long                   page_grab_count;
        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        wakeups_issued_total; /* Count of thread wakeups issued
+                                              * by this processor
+                                              */
+       struct debugger_state {
+               debugger_op db_current_op;
+               const char *db_message;
+               const char *db_panic_str; 
+               va_list *db_panic_args;
+               uint64_t db_panic_options;
+               void *db_panic_data_ptr;
+               boolean_t db_proceed_on_sync_failure;
+               uint32_t db_entry_count; /* incremented whenever we panic or call Debugger (current CPU panic level) */
+               kern_return_t db_op_return;
+               unsigned long db_panic_caller;
+       } debugger_state;
 };
 
 typedef struct processor_data  processor_data_t;
@@ -87,6 +113,41 @@ typedef struct processor_data       processor_data_t;
 extern void    processor_data_init(
                                        processor_t             processor);
 
+#define SCHED_STATS_INTERRUPT(p)                                       \
+MACRO_BEGIN                                                            \
+       if (__builtin_expect(sched_stats_active, 0)) {          \
+               (p)->processor_data.sched_stats.interrupt_count++;      \
+       }                                                               \
+MACRO_END      
+
+#define SCHED_STATS_TIMER_POP(p)                                       \
+MACRO_BEGIN                                                            \
+       if (__builtin_expect(sched_stats_active, 0)) {          \
+               (p)->processor_data.sched_stats.timer_pop_count++;      \
+       }                                                               \
+MACRO_END
+
+#define SCHED_STATS_IPI(p)                                             \
+MACRO_BEGIN                                                            \
+       if (__builtin_expect(sched_stats_active, 0)) {          \
+               (p)->processor_data.sched_stats.ipi_count++;            \
+       }                                                               \
+MACRO_END
+
+#define SCHED_STATS_CPU_IDLE_START(p)                                                          \
+MACRO_BEGIN                                                                                    \
+       if (__builtin_expect(sched_stats_active, 0)) {                                  \
+               (p)->processor_data.sched_stats.idle_transitions++;                             \
+       }                                                                                       \
+MACRO_END
+
+#define SCHED_STATS_QUANTUM_TIMER_EXPIRATION(p)                                                                \
+MACRO_BEGIN                                                                                    \
+       if (__builtin_expect(sched_stats_active, 0)) {                                  \
+               (p)->processor_data.sched_stats.quantum_timer_expirations++;            \
+       }                                                                                       \
+MACRO_END
+
 #endif /* MACH_KERNEL_PRIVATE */
 
 #endif /* _KERN_PROCESSOR_DATA_H_ */