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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-04-18 15:52:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-04-18 15:52:50 -0400
commit681e4a5e13c1c8315694eb4f44e0cdd84c9082d2 (patch)
tree699f14527c118859026e8ce0214e689d0b9c88cb /fs/proc/array.c
parentb960d6c43a63ebd2d8518b328da3816b833ee8cc (diff)
parentc104f1fa1ecf4ee0fc06e31b1f77630b2551be81 (diff)
Merge commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81' into stable/for-linus-3.4
* commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81': (14566 commits) cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS sparc64: Eliminate obsolete __handle_softirq() function sparc64: Fix bootup crash on sun4v. kconfig: delete last traces of __enabled_ from autoconf.h Revert "kconfig: fix __enabled_ macros definition for invisible and un-selected symbols" kconfig: fix IS_ENABLED to not require all options to be defined irq_domain: fix type mismatch in debugfs output format staging: android: fix mem leaks in __persistent_ram_init() staging: vt6656: Don't leak memory in drivers/staging/vt6656/ioctl.c::private_ioctl() staging: iio: hmc5843: Fix crash in probe function. panic: fix stack dump print on direct call to panic() drivers/rtc/rtc-pl031.c: enable clock on all ST variants Revert "mm: vmscan: fix misused nr_reclaimed in shrink_mem_cgroup_zone()" hugetlb: fix race condition in hugetlb_fault() drivers/rtc/rtc-twl.c: use static register while reading time drivers/rtc/rtc-s3c.c: add placeholder for driver private data drivers/rtc/rtc-s3c.c: fix compilation error MAINTAINERS: add PCDP console maintainer memcg: do not open code accesses to res_counter members drivers/rtc/rtc-efi.c: fix section mismatch warning ...
Diffstat (limited to 'fs/proc/array.c')
-rw-r--r--fs/proc/array.c118
1 files changed, 65 insertions, 53 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 8c344f037bd..f9bd395b347 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -380,7 +380,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
state = *get_task_state(task);
vsize = eip = esp = 0;
- permitted = ptrace_may_access(task, PTRACE_MODE_READ);
+ permitted = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT);
mm = get_task_mm(task);
if (mm) {
vsize = task_vsize(mm);
@@ -462,56 +462,56 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
/* convert nsec -> ticks */
start_time = nsec_to_clock_t(start_time);
- seq_printf(m, "%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 %lu %ld\n",
- pid_nr_ns(pid, ns),
- tcomm,
- state,
- ppid,
- pgid,
- sid,
- tty_nr,
- tty_pgrp,
- task->flags,
- min_flt,
- cmin_flt,
- maj_flt,
- cmaj_flt,
- cputime_to_clock_t(utime),
- cputime_to_clock_t(stime),
- cputime_to_clock_t(cutime),
- cputime_to_clock_t(cstime),
- priority,
- nice,
- num_threads,
- start_time,
- vsize,
- mm ? get_mm_rss(mm) : 0,
- rsslim,
- mm ? (permitted ? mm->start_code : 1) : 0,
- mm ? (permitted ? mm->end_code : 1) : 0,
- (permitted && mm) ? mm->start_stack : 0,
- esp,
- eip,
- /* The signal information here is obsolete.
- * It must be decimal for Linux 2.0 compatibility.
- * Use /proc/#/status for real-time signals.
- */
- task->pending.signal.sig[0] & 0x7fffffffUL,
- task->blocked.sig[0] & 0x7fffffffUL,
- sigign .sig[0] & 0x7fffffffUL,
- sigcatch .sig[0] & 0x7fffffffUL,
- wchan,
- 0UL,
- 0UL,
- task->exit_signal,
- task_cpu(task),
- task->rt_priority,
- task->policy,
- (unsigned long long)delayacct_blkio_ticks(task),
- cputime_to_clock_t(gtime),
- cputime_to_clock_t(cgtime));
+ seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
+ seq_put_decimal_ll(m, ' ', ppid);
+ seq_put_decimal_ll(m, ' ', pgid);
+ seq_put_decimal_ll(m, ' ', sid);
+ seq_put_decimal_ll(m, ' ', tty_nr);
+ seq_put_decimal_ll(m, ' ', tty_pgrp);
+ seq_put_decimal_ull(m, ' ', task->flags);
+ seq_put_decimal_ull(m, ' ', min_flt);
+ seq_put_decimal_ull(m, ' ', cmin_flt);
+ seq_put_decimal_ull(m, ' ', maj_flt);
+ seq_put_decimal_ull(m, ' ', cmaj_flt);
+ seq_put_decimal_ull(m, ' ', cputime_to_clock_t(utime));
+ seq_put_decimal_ull(m, ' ', cputime_to_clock_t(stime));
+ seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cutime));
+ seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cstime));
+ seq_put_decimal_ll(m, ' ', priority);
+ seq_put_decimal_ll(m, ' ', nice);
+ seq_put_decimal_ll(m, ' ', num_threads);
+ seq_put_decimal_ull(m, ' ', 0);
+ seq_put_decimal_ull(m, ' ', start_time);
+ seq_put_decimal_ull(m, ' ', vsize);
+ seq_put_decimal_ll(m, ' ', mm ? get_mm_rss(mm) : 0);
+ seq_put_decimal_ull(m, ' ', rsslim);
+ seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->start_code : 1) : 0);
+ seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->end_code : 1) : 0);
+ seq_put_decimal_ull(m, ' ', (permitted && mm) ? mm->start_stack : 0);
+ seq_put_decimal_ull(m, ' ', esp);
+ seq_put_decimal_ull(m, ' ', eip);
+ /* The signal information here is obsolete.
+ * It must be decimal for Linux 2.0 compatibility.
+ * Use /proc/#/status for real-time signals.
+ */
+ seq_put_decimal_ull(m, ' ', task->pending.signal.sig[0] & 0x7fffffffUL);
+ seq_put_decimal_ull(m, ' ', task->blocked.sig[0] & 0x7fffffffUL);
+ seq_put_decimal_ull(m, ' ', sigign.sig[0] & 0x7fffffffUL);
+ seq_put_decimal_ull(m, ' ', sigcatch.sig[0] & 0x7fffffffUL);
+ seq_put_decimal_ull(m, ' ', wchan);
+ seq_put_decimal_ull(m, ' ', 0);
+ seq_put_decimal_ull(m, ' ', 0);
+ seq_put_decimal_ll(m, ' ', task->exit_signal);
+ seq_put_decimal_ll(m, ' ', task_cpu(task));
+ seq_put_decimal_ull(m, ' ', task->rt_priority);
+ seq_put_decimal_ull(m, ' ', task->policy);
+ seq_put_decimal_ull(m, ' ', delayacct_blkio_ticks(task));
+ seq_put_decimal_ull(m, ' ', cputime_to_clock_t(gtime));
+ seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cgtime));
+ seq_put_decimal_ull(m, ' ', (mm && permitted) ? mm->start_data : 0);
+ seq_put_decimal_ull(m, ' ', (mm && permitted) ? mm->end_data : 0);
+ seq_put_decimal_ull(m, ' ', (mm && permitted) ? mm->start_brk : 0);
+ seq_putc(m, '\n');
if (mm)
mmput(mm);
return 0;
@@ -539,8 +539,20 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
size = task_statm(mm, &shared, &text, &data, &resident);
mmput(mm);
}
- seq_printf(m, "%lu %lu %lu %lu 0 %lu 0\n",
- size, resident, shared, text, data);
+ /*
+ * For quick read, open code by putting numbers directly
+ * expected format is
+ * seq_printf(m, "%lu %lu %lu %lu 0 %lu 0\n",
+ * size, resident, shared, text, data);
+ */
+ seq_put_decimal_ull(m, 0, size);
+ seq_put_decimal_ull(m, ' ', resident);
+ seq_put_decimal_ull(m, ' ', shared);
+ seq_put_decimal_ull(m, ' ', text);
+ seq_put_decimal_ull(m, ' ', 0);
+ seq_put_decimal_ull(m, ' ', data);
+ seq_put_decimal_ull(m, ' ', 0);
+ seq_putc(m, '\n');
return 0;
}