diff options
Diffstat (limited to 'libc/stdlib/malloc-standard/mallinfo.c')
| -rw-r--r-- | libc/stdlib/malloc-standard/mallinfo.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libc/stdlib/malloc-standard/mallinfo.c b/libc/stdlib/malloc-standard/mallinfo.c index 89d6b68e1..f35aab00f 100644 --- a/libc/stdlib/malloc-standard/mallinfo.c +++ b/libc/stdlib/malloc-standard/mallinfo.c @@ -79,3 +79,28 @@ struct mallinfo mallinfo(void) return mi; } +void malloc_stats(FILE *file) +{ + struct mallinfo mi; + + if (file==NULL) { + file = stderr; + } + + mi = mallinfo(); + fprintf(file, "total bytes allocated = %10lu\n", (unsigned int)(mi.arena + mi.hblkhd)); + fprintf(file, "total bytes in use bytes = %10lu\n", (unsigned int)(mi.uordblks + mi.hblkhd)); + fprintf(file, "total non-mmapped bytes allocated = %10lu\n", (unsigned int)(mi.arena)); + fprintf(file, "number of mmapped regions = %10lu\n", (unsigned int)(mi.hblks)); + fprintf(file, "total allocated mmap space = %10lu\n", (unsigned int)(mi.hblkhd)); + fprintf(file, "total allocated sbrk space = %10lu\n", (unsigned int)(mi.uordblks)); +#if 0 + fprintf(file, "number of free chunks = %10lu\n", (unsigned int)(mi.ordblks)); + fprintf(file, "number of fastbin blocks = %10lu\n", (unsigned int)(mi.smblks)); + fprintf(file, "space in freed fastbin blocks = %10lu\n", (unsigned int)(mi.fsmblks)); +#endif + fprintf(file, "maximum total allocated space = %10lu\n", (unsigned int)(mi.usmblks)); + fprintf(file, "total free space = %10lu\n", (unsigned int)(mi.fordblks)); + fprintf(file, "memory releasable via malloc_trim = %10lu\n", (unsigned int)(mi.keepcost)); +} + |