From: Namhyung Kim <[email protected]>

We can't offer a zoom into thread when a bucket (struct hist_entry) may
have samples for more than one thread, i.e. when 'pid' is not part of
the sort order, fix it.

Signed-off-by: Namhyung Kim <[email protected]>
Tested-by: Arnaldo Carvalho de Melo <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>,
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Wang Nan <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
[ Carved out from a  larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/ui/browsers/hists.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 08c09ad755d2..e66b3a30dd9f 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1782,7 +1782,7 @@ static int
 add_thread_opt(struct hist_browser *browser, struct popup_action *act,
               char **optstr, struct thread *thread)
 {
-       if (thread == NULL)
+       if (!sort__has_thread || thread == NULL)
                return 0;
 
        if (asprintf(optstr, "Zoom %s %s(%d) thread",
@@ -2307,10 +2307,12 @@ skip_annotation:
                                             socked_id);
                /* perf script support */
                if (browser->he_selection) {
-                       nr_options += add_script_opt(browser,
-                                                    &actions[nr_options],
-                                                    &options[nr_options],
-                                                    thread, NULL);
+                       if (sort__has_thread && thread) {
+                               nr_options += add_script_opt(browser,
+                                                            
&actions[nr_options],
+                                                            
&options[nr_options],
+                                                            thread, NULL);
+                       }
                        /*
                         * Note that browser->selection != NULL
                         * when browser->he_selection is not NULL,
-- 
2.5.0

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