Commit-ID:  d8d9608fdd19f85a524db0a41bc2def5c88cbdd0
Gitweb:     http://git.kernel.org/tip/d8d9608fdd19f85a524db0a41bc2def5c88cbdd0
Author:     Dongsheng Yang <yangds.f...@cn.fujitsu.com>
AuthorDate: Fri, 6 Dec 2013 17:25:52 -0500
Committer:  Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate: Mon, 9 Dec 2013 15:24:25 -0300

perf kvm: Make perf kvm diff support --guestmount.

In manpage of perf-kvm, --guestmount is supported by diff command, but
it does not work well.

This patch change the extend the checking in buildid-diff from
guestkallsyms or guestmodules to perf_guest. Then this checking can
cover the all cases perf kvm is used for.

Signed-off-by: Dongsheng Yang <yangds.f...@cn.fujitsu.com>
Link: 
http://lkml.kernel.org/r/72857ed89642e0633f5e88f7e7abbc9645359e8e.1386368672.git.yangds.f...@cn.fujitsu.com
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-diff.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 3b67ea2..2a85cc9 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1000,8 +1000,7 @@ static int data_init(int argc, const char **argv)
                        data__files_cnt = argc;
                        use_default = false;
                }
-       } else if (symbol_conf.default_guest_vmlinux_name ||
-                  symbol_conf.default_guest_kallsyms) {
+       } else if (perf_guest) {
                defaults[0] = "perf.data.host";
                defaults[1] = "perf.data.guest";
        }
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