Merge branch 'linus' into perfcounters/core

[pandora-kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index b94f354..d185758 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -71,6 +71,7 @@ struct sched_param {
 #include <linux/path.h>
 #include <linux/compiler.h>
 #include <linux/completion.h>
+#include <linux/perf_counter.h>
 #include <linux/pid.h>
 #include <linux/percpu.h>
 #include <linux/topology.h>
@@ -137,6 +138,7 @@ extern unsigned long nr_running(void);
 extern unsigned long nr_uninterruptible(void);
 extern unsigned long nr_active(void);
 extern unsigned long nr_iowait(void);
+extern u64 cpu_nr_migrations(int cpu);
 
 extern unsigned long get_parent_ip(unsigned long addr);
 
@@ -205,7 +207,8 @@ extern unsigned long long time_sync_thresh;
 #define task_is_stopped_or_traced(task)        \
                        ((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0)
 #define task_contributes_to_load(task) \
-                               ((task->state & TASK_UNINTERRUPTIBLE) != 0)
+                               ((task->state & TASK_UNINTERRUPTIBLE) != 0 && \
+                                (task->flags & PF_FROZEN) == 0)
 
 #define __set_task_state(tsk, state_value)             \
        do { (tsk)->state = (state_value); } while (0)
@@ -300,17 +303,11 @@ extern int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
                                    struct file *filp, void __user *buffer,
                                    size_t *lenp, loff_t *ppos);
 extern unsigned int  softlockup_panic;
-extern unsigned long sysctl_hung_task_check_count;
-extern unsigned long sysctl_hung_task_timeout_secs;
-extern unsigned long sysctl_hung_task_warnings;
 extern int softlockup_thresh;
 #else
 static inline void softlockup_tick(void)
 {
 }
-static inline void spawn_softlockup_task(void)
-{
-}
 static inline void touch_softlockup_watchdog(void)
 {
 }
@@ -319,6 +316,15 @@ static inline void touch_all_softlockup_watchdogs(void)
 }
 #endif
 
+#ifdef CONFIG_DETECT_HUNG_TASK
+extern unsigned int  sysctl_hung_task_panic;
+extern unsigned long sysctl_hung_task_check_count;
+extern unsigned long sysctl_hung_task_timeout_secs;
+extern unsigned long sysctl_hung_task_warnings;
+extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write,
+                                        struct file *filp, void __user *buffer,
+                                        size_t *lenp, loff_t *ppos);
+#endif
 
 /* Attach to any functions which should be ignored in wchan output. */
 #define __sched                __attribute__((__section__(".sched.text")))
@@ -1048,9 +1054,10 @@ struct sched_entity {
        u64                     last_wakeup;
        u64                     avg_overlap;
 
+       u64                     nr_migrations;
+
        u64                     start_runtime;
        u64                     avg_wakeup;
-       u64                     nr_migrations;
 
 #ifdef CONFIG_SCHEDSTATS
        u64                     wait_start;
@@ -1255,9 +1262,8 @@ struct task_struct {
 /* ipc stuff */
        struct sysv_sem sysvsem;
 #endif
-#ifdef CONFIG_DETECT_SOFTLOCKUP
+#ifdef CONFIG_DETECT_HUNG_TASK
 /* hung task detection */
-       unsigned long last_switch_timestamp;
        unsigned long last_switch_count;
 #endif
 /* CPU-specific state of this task */
@@ -1294,6 +1300,11 @@ struct task_struct {
 /* Protection of (de-)allocation: mm, files, fs, tty, keyrings */
        spinlock_t alloc_lock;
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+       /* IRQ handler threads */
+       struct irqaction *irqaction;
+#endif
+
        /* Protection of the PI data structures: */
        spinlock_t pi_lock;
 
@@ -1372,6 +1383,7 @@ struct task_struct {
        struct list_head pi_state_list;
        struct futex_pi_state *pi_state_cache;
 #endif
+       struct perf_counter_context perf_counter_ctx;
 #ifdef CONFIG_NUMA
        struct mempolicy *mempolicy;
        short il_next;
@@ -2380,6 +2392,13 @@ static inline void inc_syscw(struct task_struct *tsk)
 #define TASK_SIZE_OF(tsk)      TASK_SIZE
 #endif
 
+/*
+ * Call the function if the target task is executing on a CPU right now:
+ */
+extern void task_oncpu_function_call(struct task_struct *p,
+                                    void (*func) (void *info), void *info);
+
+
 #ifdef CONFIG_MM_OWNER
 extern void mm_update_next_owner(struct mm_struct *mm);
 extern void mm_init_owner(struct mm_struct *mm, struct task_struct *p);