Commit fefdd336b2a2f7617e0c8a0777c731d9ed6454ae
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0587da40be
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kmemleak: Show the age of an unreferenced object
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>
Showing 1 changed file with 4 additions and 2 deletions Side-by-side Diff
mm/kmemleak.c
| ... | ... | @@ -346,11 +346,13 @@ |
| 346 | 346 | struct kmemleak_object *object) |
| 347 | 347 | { |
| 348 | 348 | int i; |
| 349 | + unsigned int msecs_age = jiffies_to_msecs(jiffies - object->jiffies); | |
| 349 | 350 | |
| 350 | 351 | seq_printf(seq, "unreferenced object 0x%08lx (size %zu):\n", |
| 351 | 352 | object->pointer, object->size); |
| 352 | - seq_printf(seq, " comm \"%s\", pid %d, jiffies %lu\n", | |
| 353 | - object->comm, object->pid, object->jiffies); | |
| 353 | + seq_printf(seq, " comm \"%s\", pid %d, jiffies %lu (age %d.%03ds)\n", | |
| 354 | + object->comm, object->pid, object->jiffies, | |
| 355 | + msecs_age / 1000, msecs_age % 1000); | |
| 354 | 356 | hex_dump_object(seq, object); |
| 355 | 357 | seq_printf(seq, " backtrace:\n"); |
| 356 | 358 |