perf hists: Move sort__has_parent into struct perf_hpp_list

Now we have sort dimensions private for struct hists, we need to make
dimension booleans hists specific as well.

Moving sort__has_parent into struct perf_hpp_list.

Signed-off-by: Jiri Olsa <[e-mail]>
Cc: David Ahern <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/builtin-report.c

···
 		sample_type |= PERF_SAMPLE_BRANCH_STACK;
 
 	if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
-		if (sort__has_parent) {
+		if (perf_hpp_list.parent) {
 			ui__error("Selected --sort parent, but no "
 				    "callchain data. Did you call "
 				    "'perf record' without -g?\n");

tools/perf/util/callchain.c

···
 		return 0;
 
 	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain ||
-	    sort__has_parent) {
+	    perf_hpp_list.parent) {
 		return thread__resolve_callchain(al->thread, cursor, evsel, sample,
 						 parent, al, max_stack);
 	}

tools/perf/util/hist.h

···
 	struct list_head sorts;
 
 	int need_collapse;
+	int parent;
 };
 
 extern struct perf_hpp_list perf_hpp_list;

tools/perf/util/machine.c

···
 	}
 
 	if (al.sym != NULL) {
-		if (sort__has_parent && !*parent &&
+		if (perf_hpp_list.parent && !*parent &&
 		    symbol__match_regex(al.sym, &parent_regex))
 			*parent = al.sym;
 		else if (have_ignore_callees && root_al &&

tools/perf/util/sort.c

···
 const char	*field_order;
 regex_t		ignore_callees_regex;
 int		have_ignore_callees = 0;
-int		sort__has_parent = 0;
 int		sort__has_sym = 0;
 int		sort__has_dso = 0;
 int		sort__has_socket = 0;
···
 				pr_err("Invalid regex: %s\n%s", parent_pattern, err);
 				return -EINVAL;
 			}
-			sort__has_parent = 1;
+			list->parent = 1;
 		} else if (sd->entry == &sort_sym) {
 			sort__has_sym = 1;
 			/*
···
 void reset_output_field(void)
 {
 	perf_hpp_list.need_collapse = 0;
-	sort__has_parent = 0;
+	perf_hpp_list.parent = 0;
 	sort__has_sym = 0;
 	sort__has_dso = 0;
 

tools/perf/util/sort.h

···
 extern regex_t ignore_callees_regex;
 extern int have_ignore_callees;
 extern int sort__has_dso;
-extern int sort__has_parent;
 extern int sort__has_sym;
 extern int sort__has_socket;
 extern int sort__has_thread;