Em Mon, Oct 28, 2013 at 10:34:30AM +0100, Markus Trippelsdorf escreveu: > On 2013.10.28 at 10:02 +0100, Markus Trippelsdorf wrote: > > On 2013.10.28 at 09:28 +0100, Markus Trippelsdorf wrote: > > > On 2013.10.26 at 14:24 +0200, Ingo Molnar wrote: > > > > - Reversal of the new 'MMAP2' extended mmap record ABI, introduced
> > > commit 3090ffb5a2515990182f3f55b0688a7817325488 > > > Author: Stephane Eranian <[email protected]> > > > perf: Disable PERF_RECORD_MMAP2 support > The following patch fixes the issue: > diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c > /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */ > - n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %*x:%*x %*u > %s\n", > + sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %*x:%*x %*u %s\n", > &event->mmap.start, &event->mmap.len, prot, > &event->mmap.pgoff, > execname); > - if (n != 8) > - continue; > - Yeah, this one was added in the patch that introduced MMAP2 support in the tooling side, it was unrelated to what the patch needed, i.e. should have come in a separate patch, checking sscanf number of itens successfully matched/assigned. And then, when reverting it, Stephane forgot to match the number number of expected entries to be matched/assigned from 8 to 5, can you try with the following patch instead? - Arnaldo diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 63df031fc9c7..49096ea58a15 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -213,7 +213,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, &event->mmap.pgoff, execname); - if (n != 8) + if (n != 5) continue; if (prot[2] != 'x') -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
