diff options
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/stat.c | 29 | ||||
| -rw-r--r-- | fs/proc/task_nommu.c | 2 |
2 files changed, 27 insertions, 4 deletions
diff --git a/fs/proc/stat.c b/fs/proc/stat.c index 49aa0a2b0d9e..80c305f206bb 100644 --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -79,6 +79,31 @@ static u64 get_iowait_time(struct kernel_cpustat *kcs, int cpu) #endif +static void show_irq_gap(struct seq_file *p, unsigned int gap) +{ + static const char zeros[] = " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0"; + + while (gap > 0) { + unsigned int inc; + + inc = min_t(unsigned int, gap, ARRAY_SIZE(zeros) / 2); + seq_write(p, zeros, 2 * inc); + gap -= inc; + } +} + +static void show_all_irqs(struct seq_file *p) +{ + unsigned int i, next = 0; + + for_each_active_irq(i) { + show_irq_gap(p, i - next); + seq_put_decimal_ull(p, " ", kstat_irqs_usr(i)); + next = i + 1; + } + show_irq_gap(p, nr_irqs - next); +} + static int show_stat(struct seq_file *p, void *v) { int i, j; @@ -160,9 +185,7 @@ static int show_stat(struct seq_file *p, void *v) } seq_put_decimal_ull(p, "intr ", (unsigned long long)sum); - /* sum again ? it could be updated? */ - for_each_irq_nr(j) - seq_put_decimal_ull(p, " ", kstat_irqs_usr(j)); + show_all_irqs(p); seq_printf(p, "\nctxt %llu\n" diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 3b7e310297d2..36bf0f2e102e 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -64,7 +64,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) else bytes += kobjsize(current->files); - if (current->sighand && atomic_read(¤t->sighand->count) > 1) + if (current->sighand && refcount_read(¤t->sighand->count) > 1) sbytes += kobjsize(current->sighand); else bytes += kobjsize(current->sighand); |