#include <linux/kernel.h>
#include <linux/lockdep.h>
+#include <linux/math.h>
#include <linux/printk.h>
#include <linux/sched/debug.h>
#include <linux/seq_file.h>
bool show_alloc)
{
const struct kfence_track *track = show_alloc ? &meta->alloc_track : &meta->free_track;
+ u64 ts_sec = track->ts_nsec;
+ unsigned long rem_nsec = do_div(ts_sec, NSEC_PER_SEC);
+
+ /* Timestamp matches printk timestamp format. */
+ seq_con_printf(seq, "%s by task %d on cpu %d at %lu.%06lus:\n",
+ show_alloc ? "allocated" : "freed", track->pid,
+ track->cpu, (unsigned long)ts_sec, rem_nsec / 1000);
if (track->num_stack_entries) {
/* Skip allocation/free internals stack. */
return;
}
- seq_con_printf(seq,
- "kfence-#%td [0x%p-0x%p"
- ", size=%d, cache=%s] allocated by task %d:\n",
- meta - kfence_metadata, (void *)start, (void *)(start + size - 1), size,
- (cache && cache->name) ? cache->name : "<destroyed>", meta->alloc_track.pid);
+ seq_con_printf(seq, "kfence-#%td: 0x%p-0x%p, size=%d, cache=%s\n\n",
+ meta - kfence_metadata, (void *)start, (void *)(start + size - 1),
+ size, (cache && cache->name) ? cache->name : "<destroyed>");
+
kfence_print_stack(seq, meta, true);
if (meta->state == KFENCE_OBJECT_FREED) {
- seq_con_printf(seq, "\nfreed by task %d:\n", meta->free_track.pid);
+ seq_con_printf(seq, "\n");
kfence_print_stack(seq, meta, false);
}
}