#include <asm/page.h>
#include <asm/ptrace.h>
-#include <linux/cputime.h>
#include <linux/smp.h>
#include <linux/sem.h>
extern char ___assert_task_state[1 - 2*!!(
sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)];
-/* Convenience macros for the sake of set_task_state */
+/* Convenience macros for the sake of set_current_state */
#define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)
#define TASK_STOPPED (TASK_WAKEKILL | __TASK_STOPPED)
#define TASK_TRACED (TASK_WAKEKILL | __TASK_TRACED)
#ifdef CONFIG_DEBUG_ATOMIC_SLEEP
-#define __set_task_state(tsk, state_value) \
- do { \
- (tsk)->task_state_change = _THIS_IP_; \
- (tsk)->state = (state_value); \
- } while (0)
-#define set_task_state(tsk, state_value) \
- do { \
- (tsk)->task_state_change = _THIS_IP_; \
- smp_store_mb((tsk)->state, (state_value)); \
- } while (0)
-
#define __set_current_state(state_value) \
do { \
current->task_state_change = _THIS_IP_; \
} while (0)
#else
-
-/*
- * @tsk had better be current, or you get to keep the pieces.
- *
- * The only reason is that computing current can be more expensive than
- * using a pointer that's already available.
- *
- * Therefore, see set_current_state().
- */
-#define __set_task_state(tsk, state_value) \
- do { (tsk)->state = (state_value); } while (0)
-#define set_task_state(tsk, state_value) \
- smp_store_mb((tsk)->state, (state_value))
-
/*
* set_current_state() includes a barrier so that the write of current->state
* is correctly serialised wrt the caller's subsequent test of whether to
int ac_flag;
long ac_exitcode;
unsigned long ac_mem;
- cputime_t ac_utime, ac_stime;
+ u64 ac_utime, ac_stime;
unsigned long ac_minflt, ac_majflt;
};
struct cpu_itimer {
- cputime_t expires;
- cputime_t incr;
- u32 error;
- u32 incr_error;
+ u64 expires;
+ u64 incr;
};
/**
*/
struct prev_cputime {
#ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
- cputime_t utime;
- cputime_t stime;
+ u64 utime;
+ u64 stime;
raw_spinlock_t lock;
#endif
};
/**
* struct task_cputime - collected CPU time counts
- * @utime: time spent in user mode, in &cputime_t units
- * @stime: time spent in kernel mode, in &cputime_t units
+ * @utime: time spent in user mode, in nanoseconds
+ * @stime: time spent in kernel mode, in nanoseconds
* @sum_exec_runtime: total time spent on the CPU, in nanoseconds
*
* This structure groups together three kinds of CPU time that are tracked for
* these counts together and treat all three of them in parallel.
*/
struct task_cputime {
- cputime_t utime;
- cputime_t stime;
- unsigned long long sum_exec_runtime;
-};
-
-/* Temporary type to ease cputime_t to nsecs conversion */
-struct task_cputime_t {
- cputime_t utime;
- cputime_t stime;
+ u64 utime;
+ u64 stime;
unsigned long long sum_exec_runtime;
};
unsigned int is_child_subreaper:1;
unsigned int has_child_subreaper:1;
+#ifdef CONFIG_POSIX_TIMERS
+
/* POSIX.1b Interval Timers */
int posix_timer_id;
struct list_head posix_timers;
/* ITIMER_REAL timer for the process */
struct hrtimer real_timer;
- struct pid *leader_pid;
ktime_t it_real_incr;
/*
struct thread_group_cputimer cputimer;
/* Earliest-expiration cache. */
- struct task_cputime_t cputime_expires;
+ struct task_cputime cputime_expires;
+
+ struct list_head cpu_timers[3];
+
+#endif
+
+ struct pid *leader_pid;
#ifdef CONFIG_NO_HZ_FULL
atomic_t tick_dep_mask;
#endif
- struct list_head cpu_timers[3];
-
struct pid *tty_old_pgrp;
/* boolean value for session group leader */
* in __exit_signal, except for the group leader.
*/
seqlock_t stats_lock;
- cputime_t utime, stime, cutime, cstime;
+ u64 utime, stime, cutime, cstime;
u64 gtime;
u64 cgtime;
struct prev_cputime prev_cputime;
*
* The DEFINE_WAKE_Q macro declares and initializes the list head.
* wake_up_q() does NOT reinitialize the list; it's expected to be
- * called near the end of a function, where the fact that the queue is
- * not used again will be easy to see by inspection.
+ * called near the end of a function. Otherwise, the list can be
+ * re-initialized for later re-use by wake_q_init().
*
* Note that this can cause spurious wakeups. schedule() callers
* must ensure the call is done inside a loop, confirming that the
#define DEFINE_WAKE_Q(name) \
struct wake_q_head name = { WAKE_Q_TAIL, &name.first }
+static inline void wake_q_init(struct wake_q_head *head)
+{
+ head->first = WAKE_Q_TAIL;
+ head->lastp = &head->first;
+}
+
extern void wake_q_add(struct wake_q_head *head,
struct task_struct *task);
extern void wake_up_q(struct wake_q_head *head);
int __user *set_child_tid; /* CLONE_CHILD_SETTID */
int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
- cputime_t utime, stime;
+ u64 utime, stime;
#ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME
- cputime_t utimescaled, stimescaled;
+ u64 utimescaled, stimescaled;
#endif
u64 gtime;
struct prev_cputime prev_cputime;
/* mm fault and swap info: this can arguably be seen as either mm-specific or thread-specific */
unsigned long min_flt, maj_flt;
- struct task_cputime_t cputime_expires;
+#ifdef CONFIG_POSIX_TIMERS
+ struct task_cputime cputime_expires;
struct list_head cpu_timers[3];
+#endif
/* process credentials */
const struct cred __rcu *ptracer_cred; /* Tracer's credentials at attach */
#if defined(CONFIG_TASK_XACCT)
u64 acct_rss_mem1; /* accumulated rss usage */
u64 acct_vm_mem1; /* accumulated virtual memory usage */
- cputime_t acct_timexpd; /* stime + utime since last update */
+ u64 acct_timexpd; /* stime + utime since last update */
#endif
#ifdef CONFIG_CPUSETS
nodemask_t mems_allowed; /* Protected by alloc_lock */
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
extern void task_cputime(struct task_struct *t,
- cputime_t *utime, cputime_t *stime);
+ u64 *utime, u64 *stime);
extern u64 task_gtime(struct task_struct *t);
#else
static inline void task_cputime(struct task_struct *t,
- cputime_t *utime, cputime_t *stime)
+ u64 *utime, u64 *stime)
{
*utime = t->utime;
*stime = t->stime;
#ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME
static inline void task_cputime_scaled(struct task_struct *t,
- cputime_t *utimescaled,
- cputime_t *stimescaled)
+ u64 *utimescaled,
+ u64 *stimescaled)
{
*utimescaled = t->utimescaled;
*stimescaled = t->stimescaled;
}
#else
static inline void task_cputime_scaled(struct task_struct *t,
- cputime_t *utimescaled,
- cputime_t *stimescaled)
+ u64 *utimescaled,
+ u64 *stimescaled)
{
task_cputime(t, utimescaled, stimescaled);
}
#endif
-static inline void task_cputime_t(struct task_struct *t,
- cputime_t *utime, cputime_t *stime)
-{
- task_cputime(t, utime, stime);
-}
-
-static inline void task_cputime_t_scaled(struct task_struct *t,
- cputime_t *utimescaled,
- cputime_t *stimescaled)
-{
- task_cputime_scaled(t, utimescaled, stimescaled);
-}
-
-extern void task_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st);
-extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st);
+extern void task_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
+extern void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st);
/*
* Per process flags
{
}
+static inline void clear_sched_clock_stable(void)
+{
+}
+
static inline void sched_clock_idle_sleep_event(void)
{
}
* Thread group CPU time accounting.
*/
void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times);
-void thread_group_cputimer(struct task_struct *tsk, struct task_cputime_t *times);
-
-static inline void thread_group_cputime_t(struct task_struct *tsk,
- struct task_cputime_t *times)
-{
- thread_group_cputime(tsk, (struct task_cputime *)times);
-}
+void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times);
/*
* Reevaluate whether the task has signals pending delivery.
projects / linux.git / blobdiff