On Fri, Nov 27, 2015 at 01:17:40PM -0300, Arnaldo Carvalho de Melo wrote: > Em Fri, Nov 27, 2015 at 01:03:11PM -0300, Arnaldo Carvalho de Melo escreveu: > > Em Fri, Nov 27, 2015 at 09:21:21AM +0100, Jiri Olsa escreveu: > > > On Thu, Nov 26, 2015 at 05:45:59PM -0300, Arnaldo Carvalho de Melo wrote: > > > > Can you take a look at 'perf test unwind'? It is failing in my > > > > perf/core branch, no time to bisect that now. > > See above. > > > > After reading the patch I see why you refer to that patch, it is just > > that at machine__exit() one should free the kernel maps if they were > > created, so it calls machine__destroy_kernel_maps(), and that will check > > if the maps were allocated, if not, nothing will be done. > > > > Anyway, I applied your patch, it fixes the problem, thanks! > > Applied this one to my local tree:
cool, thanks jirka > > From 9bdcede563a831f139b5fc872f028ef844a7462e Mon Sep 17 00:00:00 2001 > From: Jiri Olsa <[email protected]> > Date: Fri, 27 Nov 2015 09:21:21 +0100 > Subject: [PATCH 1/1] perf test: 'unwind' test should create kernel maps > > The 'perf test unwind' is failing because it forgot to create the kernel > maps, fix it. > > After the patch: > > # perf test unwind > 40: Test dwarf unwind : Ok > > Reported-and-Tested-by: Arnaldo Carvalho de Melo <[email protected]> > Signed-off-by: Jiri Olsa <[email protected]> > Cc: David Ahern <[email protected]> > Cc: Masami Hiramatsu <[email protected]> > Cc: Namhyung Kim <[email protected]> > Link: http://lkml.kernel.org/r/[email protected] > Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> > --- > tools/perf/tests/dwarf-unwind.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c > index b2357e8115a2..3cce13b19cbb 100644 > --- a/tools/perf/tests/dwarf-unwind.c > +++ b/tools/perf/tests/dwarf-unwind.c > @@ -173,6 +173,11 @@ int test__dwarf_unwind(int subtest __maybe_unused) > return -1; > } > > + if (machine__create_kernel_maps(machine)) { > + pr_err("Failed to create kernel maps\n"); > + return -1; > + } > + > callchain_param.record_mode = CALLCHAIN_DWARF; > > if (init_live_machine(machine)) { > -- > 2.1.0 > -- 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/

