On Mon, 24 Mar 2014 15:34:32 -0400, Don Zickus wrote: > The kernel piece passes more info now. Update the perf tool to reflect > that and adjust the synthesized maps to play along. > > Signed-off-by: Don Zickus <dzic...@redhat.com> > --- > tools/perf/util/event.c | 23 +++++++++++++++++++++-- > tools/perf/util/event.h | 2 ++ > tools/perf/util/machine.c | 4 +++- > tools/perf/util/map.c | 4 +++- > tools/perf/util/map.h | 4 +++- > 5 files changed, 32 insertions(+), 5 deletions(-) > > diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c > index 9d12aa6..6b8646c 100644 > --- a/tools/perf/util/event.c > +++ b/tools/perf/util/event.c > @@ -1,4 +1,5 @@ > #include <linux/types.h> > +#include <sys/mman.h> > #include "event.h" > #include "debug.h" > #include "hist.h" > @@ -212,6 +213,21 @@ int perf_event__synthesize_mmap_events(struct perf_tool > *tool, > else > event->header.misc = PERF_RECORD_MISC_GUEST_USER; > > + /* map protection and flags bits */ > + event->mmap2.prot = 0; > + event->mmap2.flags = 0; > + if (prot[0] == 'r') > + event->mmap2.prot |= PROT_READ; > + if (prot[1] == 'w') > + event->mmap2.prot |= PROT_WRITE; > + if (prot[2] == 'x') > + event->mmap2.prot |= PROT_EXEC; > + > + if (prot[3] == 's') > + event->mmap2.flags |= MAP_SHARED; > + else > + event->mmap2.flags |= MAP_PRIVATE; > +
So you need to synthesize a PERF_RECORD_MMAP2 event then. The mmap_event and mmap2_event shares same fields util ->pgoff only. So copying to mmap.filename will overwrite other bits in mmap2. Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
