X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fproc%2Farray.c;h=63c95afb561f8e8742118197b0731317ea871463;hb=cfa76f024f7c9e65169425804e5b32e71f66d0ee;hp=98e78e2f18d66cb4331d394c8543c3e8db4445a4;hpb=702ed6ef375c19d65f2eeeefd3851476f2c4cee4;p=linux-2.6 diff --git a/fs/proc/array.c b/fs/proc/array.c index 98e78e2f18..63c95afb56 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -62,6 +62,8 @@ #include #include #include +#include +#include #include #include #include @@ -75,10 +77,9 @@ #include #include #include +#include -#include #include -#include #include #include "internal.h" @@ -87,10 +88,10 @@ 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); @@ -138,15 +139,14 @@ 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 | TASK_UNINTERRUPTIBLE | TASK_STOPPED | TASK_TRACED)) | - (tsk->exit_state & (EXIT_ZOMBIE | - EXIT_DEAD)); + tsk->exit_state; const char **p = &task_state_array[0]; while (state) { @@ -156,13 +156,20 @@ 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; struct fdtable *fdt = NULL; + struct pid_namespace *ns; + pid_t ppid, tpid; + ns = current->nsproxy->pid_ns; rcu_read_lock(); + 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; buffer += sprintf(buffer, "State:\t%s\n" "Tgid:\t%d\n" @@ -172,9 +179,9 @@ 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, - pid_alive(p) && p->ptrace ? rcu_dereference(p->parent)->pid : 0, + task_tgid_nr_ns(p, ns), + task_pid_nr_ns(p, ns), + ppid, tpid, p->uid, p->euid, p->suid, p->fsuid, p->gid, p->egid, p->sgid, p->fsgid); @@ -191,15 +198,15 @@ 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 +246,7 @@ 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 +296,23 @@ 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); @@ -307,10 +323,25 @@ 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; } -static clock_t task_utime(struct task_struct *p) +/* + * Use precise platform statistics if available: + */ +#ifdef CONFIG_VIRT_CPU_ACCOUNTING +static cputime_t task_utime(struct task_struct *p) +{ + return p->utime; +} + +static cputime_t task_stime(struct task_struct *p) +{ + return p->stime; +} +#else +static cputime_t task_utime(struct task_struct *p) { clock_t utime = cputime_to_clock_t(p->utime), total = utime + cputime_to_clock_t(p->stime); @@ -327,25 +358,31 @@ static clock_t task_utime(struct task_struct *p) } utime = (clock_t)temp; - return utime; + return clock_t_to_cputime(utime); } -static clock_t task_stime(struct task_struct *p) +static cputime_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 * the total, to make sure the total observed by userspace * grows monotonically - apps rely on that): */ - stime = nsec_to_clock_t(p->se.sum_exec_runtime) - task_utime(p); + stime = nsec_to_clock_t(p->se.sum_exec_runtime) - + cputime_to_clock_t(task_utime(p)); - return stime; + return clock_t_to_cputime(stime); } +#endif +static cputime_t task_gtime(struct task_struct *p) +{ + return p->gtime; +} -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; @@ -353,17 +390,20 @@ 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; unsigned long cmin_flt = 0, cmaj_flt = 0; unsigned long min_flt = 0, maj_flt = 0; - cputime_t cutime, cstime; - clock_t utime, stime; + cputime_t cutime, cstime, utime, stime; + cputime_t cgtime, gtime; unsigned long rsslim = 0; char tcomm[sizeof(task->comm)]; unsigned long flags; + struct pid_namespace *ns; + + ns = current->nsproxy->pid_ns; state = *get_task_state(task); vsize = eip = esp = 0; @@ -378,15 +418,15 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) sigemptyset(&sigign); sigemptyset(&sigcatch); - cutime = cstime = cputime_zero; - utime = stime = 0; + cutime = cstime = utime = stime = cputime_zero; + cgtime = gtime = cputime_zero; rcu_read_lock(); if (lock_task_sighand(task, &flags)) { struct signal_struct *sig = task->signal; if (sig->tty) { - tty_pgrp = pid_nr(sig->tty->pgrp); + tty_pgrp = pid_nr_ns(sig->tty->pgrp, ns); tty_nr = new_encode_dev(tty_devnum(sig->tty)); } @@ -397,6 +437,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) cmaj_flt = sig->cmaj_flt; cutime = sig->cutime; cstime = sig->cstime; + cgtime = sig->cgtime; rsslim = sig->rlim[RLIMIT_RSS].rlim_cur; /* add up live thread stats at the group level */ @@ -405,32 +446,35 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) do { min_flt += t->min_flt; maj_flt += t->maj_flt; - utime += task_utime(t); - stime += task_stime(t); + utime = cputime_add(utime, task_utime(t)); + stime = cputime_add(stime, task_stime(t)); + gtime = cputime_add(gtime, task_gtime(t)); t = next_thread(t); } while (t != task); min_flt += sig->min_flt; maj_flt += sig->maj_flt; - utime += cputime_to_clock_t(sig->utime); - stime += cputime_to_clock_t(sig->stime); + utime = cputime_add(utime, sig->utime); + stime = cputime_add(stime, sig->stime); + gtime = cputime_add(gtime, sig->gtime); } - sid = signal_session(sig); - pgid = process_group(task); - ppid = rcu_dereference(task->real_parent)->tgid; + sid = task_session_nr_ns(task, ns); + pgid = task_pgrp_nr_ns(task, ns); + ppid = task_ppid_nr_ns(task, ns); unlock_task_sighand(task, &flags); } rcu_read_unlock(); - if (!whole || num_threads<2) + if (!whole || num_threads < 2) wchan = get_wchan(task); if (!whole) { min_flt = task->min_flt; maj_flt = task->maj_flt; utime = task_utime(task); stime = task_stime(task); + gtime = task_gtime(task); } /* scale priority and nice values from timeslices to -20..20 */ @@ -440,15 +484,16 @@ 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, +%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld\n", + task_pid_nr_ns(task, ns), tcomm, state, ppid, @@ -461,8 +506,8 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) cmin_flt, maj_flt, cmaj_flt, - utime, - stime, + cputime_to_clock_t(utime), + cputime_to_clock_t(stime), cputime_to_clock_t(cutime), cputime_to_clock_t(cstime), priority, @@ -471,7 +516,7 @@ 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, @@ -492,18 +537,20 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) task_cpu(task), task->rt_priority, task->policy, - (unsigned long long)delayacct_blkio_ticks(task)); - if(mm) + (unsigned long long)delayacct_blkio_ticks(task), + cputime_to_clock_t(gtime), + cputime_to_clock_t(cgtime)); + 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 +559,12 @@ 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); }