perf tools: Introduce struct hist_browser_timer

Currently various hist browser functions receive 3 arguments for
refreshing histogram but only used from a few places.  Also it's only
for perf top command so that it can be NULL for other (and probably
most) cases.  Pack them into a struct in order to reduce number of those
unused arguments.

This is a mechanical change and does not intend a functional change.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Irina Tirdea <irina.tirdea@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1351835406-15208-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index f2ecd498c72d..102b43c9905d 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -582,6 +582,11 @@ static void *display_thread_tui(void *arg)
         struct perf_evsel *pos;
         struct perf_top *top = arg;
         const char *help = "For a higher level overview, try: perf top --sort comm,dso";
+        struct hist_browser_timer hbt = {
+                .timer          = perf_top__sort_new_samples,
+                .arg            = top,
+                .refresh        = top->delay_secs,
+        };
 
         perf_top__sort_new_samples(top);
 
@@ -593,9 +598,7 @@ static void *display_thread_tui(void *arg)
         list_for_each_entry(pos, &top->evlist->entries, node)
                 pos->hists.uid_filter_str = top->target.uid_str;
 
-        perf_evlist__tui_browse_hists(top->evlist, help,
-                                      perf_top__sort_new_samples,
-                                      top, top->delay_secs);
+        perf_evlist__tui_browse_hists(top->evlist, help, &hbt);
 
         exit_browser(0);
         exit(0);