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kmemleak: Show the age of an unreferenced object

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The jiffies shown for unreferenced objects isn't always meaningful to
people debugging kernel memory leaks. This patch adds the age as well to
the displayed information.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas 2009-10-28 13:33:12 +00:00
parent 0587da40be
commit fefdd336b2
1 changed files with 4 additions and 2 deletions
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6
mm/kmemleak.c
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@ -346,11 +346,13 @@ static void print_unreferenced(struct seq_file *seq,
struct kmemleak_object *object) struct kmemleak_object *object)
{ {
int i; int i;
unsigned int msecs_age = jiffies_to_msecs(jiffies - object->jiffies);
seq_printf(seq, "unreferenced object 0x%08lx (size %zu):\n", seq_printf(seq, "unreferenced object 0x%08lx (size %zu):\n",
object->pointer, object->size); object->pointer, object->size);
seq_printf(seq, " comm \"%s\", pid %d, jiffies %lu\n", seq_printf(seq, " comm \"%s\", pid %d, jiffies %lu (age %d.%03ds)\n",
object->comm, object->pid, object->jiffies); object->comm, object->pid, object->jiffies,
msecs_age / 1000, msecs_age % 1000);
hex_dump_object(seq, object); hex_dump_object(seq, object);
seq_printf(seq, " backtrace:\n"); seq_printf(seq, " backtrace:\n");