1 files changed, 26 insertions, 3 deletions

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 535eda7857cf..76175211b304 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -79,6 +79,31 @@ static u64 get_iowait_time(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;
@@ -156,9 +181,7 @@ 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"