diff options
Diffstat (limited to 'lib/malloc/stats.c')
| -rw-r--r-- | lib/malloc/stats.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/malloc/stats.c b/lib/malloc/stats.c index ae555a1d..05247970 100644 --- a/lib/malloc/stats.c +++ b/lib/malloc/stats.c @@ -36,6 +36,8 @@ extern int malloc_free_blocks __P((int)); +extern int malloc_mmap_threshold; + extern struct _malstats _mstats; extern FILE *_imalloc_fopen __P((char *, char *, char *, char *, size_t)); @@ -103,8 +105,12 @@ _print_malloc_stats (s, fp) for (i = totused = totfree = 0; i < NBUCKETS; i++) { v = malloc_bucket_stats (i); + /* Show where the mmap threshold is; sizes greater than this use mmap to + allocate and munmap to free (munmap shows up as lesscore). */ + if (i == malloc_mmap_threshold+1) + fprintf (fp, "--------\n"); if (v.nmal > 0) - fprintf (fp, "%8lu\t%4d\t%6d\t%5d\t%8d\t%d %5d %8d\n", (unsigned long)v.blocksize, v.nfree, v.nused, v.nmal, v.nmorecore, v.nlesscore, v.nsplit, v.ncoalesce); + fprintf (fp, "%8lu\t%4d\t%6d\t%5d\t%8d\t%8d %5d %8d\n", (unsigned long)v.blocksize, v.nfree, v.nused, v.nmal, v.nmorecore, v.nlesscore, v.nsplit, v.ncoalesce); totfree += v.nfree * v.blocksize; totused += v.nused * v.blocksize; } @@ -115,6 +121,8 @@ _print_malloc_stats (s, fp) _mstats.nmal, _mstats.nfre, _mstats.nrealloc, _mstats.nrcopy); fprintf (fp, "Total sbrks: %d, total bytes via sbrk: %d\n", _mstats.nsbrk, _mstats.tsbrk); + fprintf (fp, "Total mmaps: %d, total bytes via mmap: %d\n", + _mstats.nmmap, _mstats.tmmap); fprintf (fp, "Total blocks split: %d, total block coalesces: %d\n", _mstats.tbsplit, _mstats.tbcoalesce); } |