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-rw-r--r--fs/proc/array.c68
1 files changed, 39 insertions, 29 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 98e78e2f18d..965625a0977 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -62,6 +62,8 @@
#include <linux/mman.h>
#include <linux/proc_fs.h>
#include <linux/ioport.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <linux/pagemap.h>
@@ -76,9 +78,7 @@
#include <linux/rcupdate.h>
#include <linux/delayacct.h>
-#include <asm/uaccess.h>
#include <asm/pgtable.h>
-#include <asm/io.h>
#include <asm/processor.h>
#include "internal.h"
@@ -87,10 +87,10 @@
do { memcpy(buffer, string, strlen(string)); \
buffer += strlen(string); } while (0)
-static inline char * task_name(struct task_struct *p, char * buf)
+static inline char *task_name(struct task_struct *p, char *buf)
{
int i;
- char * name;
+ char *name;
char tcomm[sizeof(p->comm)];
get_task_comm(tcomm, p);
@@ -138,7 +138,7 @@ static const char *task_state_array[] = {
"X (dead)" /* 32 */
};
-static inline const char * get_task_state(struct task_struct *tsk)
+static inline const char *get_task_state(struct task_struct *tsk)
{
unsigned int state = (tsk->state & (TASK_RUNNING |
TASK_INTERRUPTIBLE |
@@ -156,7 +156,7 @@ static inline const char * get_task_state(struct task_struct *tsk)
return *p;
}
-static inline char * task_state(struct task_struct *p, char *buffer)
+static inline char *task_state(struct task_struct *p, char *buffer)
{
struct group_info *group_info;
int g;
@@ -172,8 +172,8 @@ static inline char * task_state(struct task_struct *p, char *buffer)
"Uid:\t%d\t%d\t%d\t%d\n"
"Gid:\t%d\t%d\t%d\t%d\n",
get_task_state(p),
- p->tgid, p->pid,
- pid_alive(p) ? rcu_dereference(p->real_parent)->tgid : 0,
+ p->tgid, p->pid,
+ pid_alive(p) ? rcu_dereference(p->real_parent)->tgid : 0,
pid_alive(p) && p->ptrace ? rcu_dereference(p->parent)->pid : 0,
p->uid, p->euid, p->suid, p->fsuid,
p->gid, p->egid, p->sgid, p->fsgid);
@@ -191,15 +191,15 @@ static inline char * task_state(struct task_struct *p, char *buffer)
get_group_info(group_info);
task_unlock(p);
- for (g = 0; g < min(group_info->ngroups,NGROUPS_SMALL); g++)
- buffer += sprintf(buffer, "%d ", GROUP_AT(group_info,g));
+ for (g = 0; g < min(group_info->ngroups, NGROUPS_SMALL); g++)
+ buffer += sprintf(buffer, "%d ", GROUP_AT(group_info, g));
put_group_info(group_info);
buffer += sprintf(buffer, "\n");
return buffer;
}
-static char * render_sigset_t(const char *header, sigset_t *set, char *buffer)
+static char *render_sigset_t(const char *header, sigset_t *set, char *buffer)
{
int i, len;
@@ -239,7 +239,7 @@ static void collect_sigign_sigcatch(struct task_struct *p, sigset_t *ign,
}
}
-static inline char * task_sig(struct task_struct *p, char *buffer)
+static inline char *task_sig(struct task_struct *p, char *buffer)
{
unsigned long flags;
sigset_t pending, shpending, blocked, ignored, caught;
@@ -289,14 +289,23 @@ static inline char *task_cap(struct task_struct *p, char *buffer)
cap_t(p->cap_effective));
}
-int proc_pid_status(struct task_struct *task, char * buffer)
+static inline char *task_context_switch_counts(struct task_struct *p,
+ char *buffer)
{
- char * orig = buffer;
+ return buffer + sprintf(buffer, "voluntary_ctxt_switches:\t%lu\n"
+ "nonvoluntary_ctxt_switches:\t%lu\n",
+ p->nvcsw,
+ p->nivcsw);
+}
+
+int proc_pid_status(struct task_struct *task, char *buffer)
+{
+ char *orig = buffer;
struct mm_struct *mm = get_task_mm(task);
buffer = task_name(task, buffer);
buffer = task_state(task, buffer);
-
+
if (mm) {
buffer = task_mem(mm, buffer);
mmput(mm);
@@ -307,6 +316,7 @@ int proc_pid_status(struct task_struct *task, char * buffer)
#if defined(CONFIG_S390)
buffer = task_show_regs(task, buffer);
#endif
+ buffer = task_context_switch_counts(task, buffer);
return buffer - orig;
}
@@ -332,7 +342,7 @@ static clock_t task_utime(struct task_struct *p)
static clock_t task_stime(struct task_struct *p)
{
- clock_t stime = cputime_to_clock_t(p->stime);
+ clock_t stime;
/*
* Use CFS's precise accounting. (we subtract utime from
@@ -344,8 +354,7 @@ static clock_t task_stime(struct task_struct *p)
return stime;
}
-
-static int do_task_stat(struct task_struct *task, char * buffer, int whole)
+static int do_task_stat(struct task_struct *task, char *buffer, int whole)
{
unsigned long vsize, eip, esp, wchan = ~0UL;
long priority, nice;
@@ -353,7 +362,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
sigset_t sigign, sigcatch;
char state;
int res;
- pid_t ppid = 0, pgid = -1, sid = -1;
+ pid_t ppid = 0, pgid = -1, sid = -1;
int num_threads = 0;
struct mm_struct *mm;
unsigned long long start_time;
@@ -424,7 +433,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
}
rcu_read_unlock();
- if (!whole || num_threads<2)
+ if (!whole || num_threads < 2)
wchan = get_wchan(task);
if (!whole) {
min_flt = task->min_flt;
@@ -440,12 +449,13 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
/* Temporary variable needed for gcc-2.96 */
/* convert timespec -> nsec*/
- start_time = (unsigned long long)task->start_time.tv_sec * NSEC_PER_SEC
- + task->start_time.tv_nsec;
+ start_time =
+ (unsigned long long)task->real_start_time.tv_sec * NSEC_PER_SEC
+ + task->real_start_time.tv_nsec;
/* convert nsec -> ticks */
start_time = nsec_to_clock_t(start_time);
- res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %u %lu \
+ res = sprintf(buffer, "%d (%s) %c %d %d %d %d %d %u %lu \
%lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \
%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu\n",
task->pid,
@@ -471,7 +481,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
start_time,
vsize,
mm ? get_mm_rss(mm) : 0,
- rsslim,
+ rsslim,
mm ? mm->start_code : 0,
mm ? mm->end_code : 0,
mm ? mm->start_stack : 0,
@@ -493,17 +503,17 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
task->rt_priority,
task->policy,
(unsigned long long)delayacct_blkio_ticks(task));
- if(mm)
+ if (mm)
mmput(mm);
return res;
}
-int proc_tid_stat(struct task_struct *task, char * buffer)
+int proc_tid_stat(struct task_struct *task, char *buffer)
{
return do_task_stat(task, buffer, 0);
}
-int proc_tgid_stat(struct task_struct *task, char * buffer)
+int proc_tgid_stat(struct task_struct *task, char *buffer)
{
return do_task_stat(task, buffer, 1);
}
@@ -512,12 +522,12 @@ int proc_pid_statm(struct task_struct *task, char *buffer)
{
int size = 0, resident = 0, shared = 0, text = 0, lib = 0, data = 0;
struct mm_struct *mm = get_task_mm(task);
-
+
if (mm) {
size = task_statm(mm, &shared, &text, &data, &resident);
mmput(mm);
}
- return sprintf(buffer,"%d %d %d %d %d %d %d\n",
+ return sprintf(buffer, "%d %d %d %d %d %d %d\n",
size, resident, shared, text, lib, data, 0);
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-17 21:17:50 +0000