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Diffstat (limited to 'fs/proc/array.c')
-rw-r--r--fs/proc/array.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 63c95afb561f..b380313092bd 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -141,12 +141,7 @@ static const char *task_state_array[] = {
static inline const char *get_task_state(struct task_struct *tsk)
{
- unsigned int state = (tsk->state & (TASK_RUNNING |
- TASK_INTERRUPTIBLE |
- TASK_UNINTERRUPTIBLE |
- TASK_STOPPED |
- TASK_TRACED)) |
- tsk->exit_state;
+ unsigned int state = (tsk->state & TASK_REPORT) | tsk->exit_state;
const char **p = &task_state_array[0];
while (state) {
@@ -169,7 +164,7 @@ static inline char *task_state(struct task_struct *p, char *buffer)
ppid = pid_alive(p) ?
task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
tpid = pid_alive(p) && p->ptrace ?
- task_ppid_nr_ns(rcu_dereference(p->parent), ns) : 0;
+ task_pid_nr_ns(rcu_dereference(p->parent), ns) : 0;
buffer += sprintf(buffer,
"State:\t%s\n"
"Tgid:\t%d\n"
@@ -358,7 +353,8 @@ static cputime_t task_utime(struct task_struct *p)
}
utime = (clock_t)temp;
- return clock_t_to_cputime(utime);
+ p->prev_utime = max(p->prev_utime, clock_t_to_cputime(utime));
+ return p->prev_utime;
}
static cputime_t task_stime(struct task_struct *p)
@@ -373,7 +369,10 @@ static cputime_t task_stime(struct task_struct *p)
stime = nsec_to_clock_t(p->se.sum_exec_runtime) -
cputime_to_clock_t(task_utime(p));
- return clock_t_to_cputime(stime);
+ if (stime >= 0)
+ p->prev_stime = max(p->prev_stime, clock_t_to_cputime(stime));
+
+ return p->prev_stime;
}
#endif
@@ -460,8 +459,8 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole)
}
sid = task_session_nr_ns(task, ns);
+ ppid = task_tgid_nr_ns(task->real_parent, ns);
pgid = task_pgrp_nr_ns(task, ns);
- ppid = task_ppid_nr_ns(task, ns);
unlock_task_sighand(task, &flags);
}