Re: [PATCH 2/6] Revert "perf: Disable PERF_RECORD_MMAP2 support"

Jiri Olsa
2014-05-16T11:25:56Z

On Tue, May 13, 2014 at 12:48:13PM -0400, Don Zickus wrote:

SNIP

> - /*
> - * Anon maps don't have the execname.
> - */
> - if (n < 4)
> + n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %s\n",
> + &event->mmap2.start, &event->mmap2.len, prot,
> + &event->mmap2.pgoff, &event->mmap2.maj,
> + &event->mmap2.min,
> + &ino, execname);
> +
> + event->mmap2.ino = (u64)ino;
> +
> + if (n < 7)
> continue;

any reason for changing this from 'if (n != 8)' ?

jirka