Merge commit 'v2.6.30-rc1' into perfcounters/core

[karo-tx-linux.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9da5aa0771ef906b7e09b6cde69f31ff952a4f07..8a8b843908134a467ca11e1179ee7a5df9a356b0 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 +138,9 @@ 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);
 
 struct seq_file;
 struct cfs_rq;
@@ -298,17 +302,11 @@ 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)
 {
 }
@@ -317,6 +315,15 @@ 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")))
@@ -1046,9 +1053,10 @@ 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;
@@ -1253,9 +1261,8 @@ 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 */
@@ -1292,6 +1299,11 @@ 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;
 
@@ -1370,6 +1382,7 @@ 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;
@@ -1405,6 +1418,8 @@ struct task_struct {
        int curr_ret_stack;
        /* Stack of return addresses for return function tracing */
        struct ftrace_ret_stack *ret_stack;
+       /* time stamp for last schedule */
+       unsigned long long ftrace_timestamp;
        /*
         * Number of functions that haven't been traced
         * because of depth overrun.
@@ -2376,6 +2391,13 @@ 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);