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Use KTR to log allocations and destructions of bios.

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This should hopefully allow to track down "duplicate free of g_bio" panics.
This commit is contained in:
pjd 2005-08-29 11:39:24 +00:00
parent a520307ce1
commit aa258f8f85
1 changed files with 36 additions and 0 deletions
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36
sys/geom/geom_io.c
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@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
#include <sys/malloc.h>
#include <sys/bio.h>
#include <sys/ktr.h>
#include <sys/stack.h>
#include <sys/errno.h>
#include <geom/geom.h>
@ -112,6 +113,15 @@ g_new_bio(void)
struct bio *bp;
bp = uma_zalloc(biozone, M_NOWAIT | M_ZERO);
#ifdef KTR
if (KTR_COMPILE & KTR_GEOM) {
struct stack st;
CTR1(KTR_GEOM, "g_new_bio(): %p", bp);
stack_save(&st);
CTRSTACK(KTR_GEOM, &st, 3, 0);
}
#endif
return (bp);
}
@ -121,13 +131,30 @@ g_alloc_bio(void)
struct bio *bp;
bp = uma_zalloc(biozone, M_WAITOK | M_ZERO);
#ifdef KTR
if (KTR_COMPILE & KTR_GEOM) {
struct stack st;
CTR1(KTR_GEOM, "g_alloc_bio(): %p", bp);
stack_save(&st);
CTRSTACK(KTR_GEOM, &st, 3, 0);
}
#endif
return (bp);
}
void
g_destroy_bio(struct bio *bp)
{
#ifdef KTR
if (KTR_COMPILE & KTR_GEOM) {
struct stack st;
CTR1(KTR_GEOM, "g_destroy_bio(): %p", bp);
stack_save(&st);
CTRSTACK(KTR_GEOM, &st, 3, 0);
}
#endif
uma_zfree(biozone, bp);
}
@ -146,6 +173,15 @@ g_clone_bio(struct bio *bp)
bp2->bio_attribute = bp->bio_attribute;
bp->bio_children++;
}
#ifdef KTR
if (KTR_COMPILE & KTR_GEOM) {
struct stack st;
CTR2(KTR_GEOM, "g_close_bio(%p): %p", bp, bp2);
stack_save(&st);
CTRSTACK(KTR_GEOM, &st, 3, 0);
}
#endif
return(bp2);
}