perf tools: Make sort operations static

These don't need to be globally visible.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Sam Liao <phyomh@gmail.com>

tools/perf/util/sort.c

@@ -15,95 +15,6 @@ char * field_sep;
 
 LIST_HEAD(hist_entry__sort_list);
 
-static int hist_entry__thread_snprintf(struct hist_entry *self, char *bf,
-				       size_t size, unsigned int width);
-static int hist_entry__comm_snprintf(struct hist_entry *self, char *bf,
-				     size_t size, unsigned int width);
-static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf,
-				    size_t size, unsigned int width);
-static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf,
-				    size_t size, unsigned int width);
-static int hist_entry__parent_snprintf(struct hist_entry *self, char *bf,
-				       size_t size, unsigned int width);
-static int hist_entry__cpu_snprintf(struct hist_entry *self, char *bf,
-				    size_t size, unsigned int width);
-
-struct sort_entry sort_thread = {
-	.se_header	= "Command:  Pid",
-	.se_cmp		= sort__thread_cmp,
-	.se_snprintf	= hist_entry__thread_snprintf,
-	.se_width_idx	= HISTC_THREAD,
-};
-
-struct sort_entry sort_comm = {
-	.se_header	= "Command",
-	.se_cmp		= sort__comm_cmp,
-	.se_collapse	= sort__comm_collapse,
-	.se_snprintf	= hist_entry__comm_snprintf,
-	.se_width_idx	= HISTC_COMM,
-};
-
-struct sort_entry sort_dso = {
-	.se_header	= "Shared Object",
-	.se_cmp		= sort__dso_cmp,
-	.se_snprintf	= hist_entry__dso_snprintf,
-	.se_width_idx	= HISTC_DSO,
-};
-
-struct sort_entry sort_sym = {
-	.se_header	= "Symbol",
-	.se_cmp		= sort__sym_cmp,
-	.se_snprintf	= hist_entry__sym_snprintf,
-	.se_width_idx	= HISTC_SYMBOL,
-};
-
-struct sort_entry sort_parent = {
-	.se_header	= "Parent symbol",
-	.se_cmp		= sort__parent_cmp,
-	.se_snprintf	= hist_entry__parent_snprintf,
-	.se_width_idx	= HISTC_PARENT,
-};
- 
-struct sort_entry sort_cpu = {
-	.se_header      = "CPU",
-	.se_cmp	        = sort__cpu_cmp,
-	.se_snprintf    = hist_entry__cpu_snprintf,
-	.se_width_idx	= HISTC_CPU,
-};
-
-struct sort_dimension {
-	const char		*name;
-	struct sort_entry	*entry;
-	int			taken;
-};
-
-static struct sort_dimension sort_dimensions[] = {
-	{ .name = "pid",	.entry = &sort_thread,	},
-	{ .name = "comm",	.entry = &sort_comm,	},
-	{ .name = "dso",	.entry = &sort_dso,	},
-	{ .name = "symbol",	.entry = &sort_sym,	},
-	{ .name = "parent",	.entry = &sort_parent,	},
-	{ .name = "cpu",	.entry = &sort_cpu,	},
-};
-
-int64_t cmp_null(void *l, void *r)
-{
-	if (!l && !r)
-		return 0;
-	else if (!l)
-		return -1;
-	else
-		return 1;
-}
-
-/* --sort pid */
-
-int64_t
-sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
-{
-	return right->thread->pid - left->thread->pid;
-}
-
 static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
 {
 	int n;
@@ -125,6 +36,24 @@ static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
 	return n;
 }
 
+static int64_t cmp_null(void *l, void *r)
+{
+	if (!l && !r)
+		return 0;
+	else if (!l)
+		return -1;
+	else
+		return 1;
+}
+
+/* --sort pid */
+
+static int64_t
+sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
+{
+	return right->thread->pid - left->thread->pid;
+}
+
 static int hist_entry__thread_snprintf(struct hist_entry *self, char *bf,
 				       size_t size, unsigned int width)
 {
@@ -132,15 +61,50 @@ static int hist_entry__thread_snprintf(struct hist_entry *self, char *bf,
 			      self->thread->comm ?: "", self->thread->pid);
 }
 
+struct sort_entry sort_thread = {
+	.se_header	= "Command:  Pid",
+	.se_cmp		= sort__thread_cmp,
+	.se_snprintf	= hist_entry__thread_snprintf,
+	.se_width_idx	= HISTC_THREAD,
+};
+
+/* --sort comm */
+
+static int64_t
+sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
+{
+	return right->thread->pid - left->thread->pid;
+}
+
+static int64_t
+sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
+{
+	char *comm_l = left->thread->comm;
+	char *comm_r = right->thread->comm;
+
+	if (!comm_l || !comm_r)
+		return cmp_null(comm_l, comm_r);
+
+	return strcmp(comm_l, comm_r);
+}
+
 static int hist_entry__comm_snprintf(struct hist_entry *self, char *bf,
 				     size_t size, unsigned int width)
 {
 	return repsep_snprintf(bf, size, "%*s", width, self->thread->comm);
 }
 
+struct sort_entry sort_comm = {
+	.se_header	= "Command",
+	.se_cmp		= sort__comm_cmp,
+	.se_collapse	= sort__comm_collapse,
+	.se_snprintf	= hist_entry__comm_snprintf,
+	.se_width_idx	= HISTC_COMM,
+};
+
 /* --sort dso */
 
-int64_t
+static int64_t
 sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	struct dso *dso_l = left->ms.map ? left->ms.map->dso : NULL;
@@ -173,9 +137,16 @@ static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf,
 	return repsep_snprintf(bf, size, "%-*s", width, "[unknown]");
 }
 
+struct sort_entry sort_dso = {
+	.se_header	= "Shared Object",
+	.se_cmp		= sort__dso_cmp,
+	.se_snprintf	= hist_entry__dso_snprintf,
+	.se_width_idx	= HISTC_DSO,
+};
+
 /* --sort symbol */
 
-int64_t
+static int64_t
 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	u64 ip_l, ip_r;
@@ -211,29 +182,16 @@ static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf,
 	return ret;
 }
 
-/* --sort comm */
-
-int64_t
-sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
-{
-	return right->thread->pid - left->thread->pid;
-}
-
-int64_t
-sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
-{
-	char *comm_l = left->thread->comm;
-	char *comm_r = right->thread->comm;
-
-	if (!comm_l || !comm_r)
-		return cmp_null(comm_l, comm_r);
-
-	return strcmp(comm_l, comm_r);
-}
+struct sort_entry sort_sym = {
+	.se_header	= "Symbol",
+	.se_cmp		= sort__sym_cmp,
+	.se_snprintf	= hist_entry__sym_snprintf,
+	.se_width_idx	= HISTC_SYMBOL,
+};
 
 /* --sort parent */
 
-int64_t
+static int64_t
 sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	struct symbol *sym_l = left->parent;
@@ -252,9 +210,16 @@ static int hist_entry__parent_snprintf(struct hist_entry *self, char *bf,
 			      self->parent ? self->parent->name : "[other]");
 }
 
+struct sort_entry sort_parent = {
+	.se_header	= "Parent symbol",
+	.se_cmp		= sort__parent_cmp,
+	.se_snprintf	= hist_entry__parent_snprintf,
+	.se_width_idx	= HISTC_PARENT,
+};
+
 /* --sort cpu */
 
-int64_t
+static int64_t
 sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	return right->cpu - left->cpu;
@@ -266,6 +231,28 @@ static int hist_entry__cpu_snprintf(struct hist_entry *self, char *bf,
 	return repsep_snprintf(bf, size, "%-*d", width, self->cpu);
 }
 
+struct sort_entry sort_cpu = {
+	.se_header      = "CPU",
+	.se_cmp	        = sort__cpu_cmp,
+	.se_snprintf    = hist_entry__cpu_snprintf,
+	.se_width_idx	= HISTC_CPU,
+};
+
+struct sort_dimension {
+	const char		*name;
+	struct sort_entry	*entry;
+	int			taken;
+};
+
+static struct sort_dimension sort_dimensions[] = {
+	{ .name = "pid",	.entry = &sort_thread,	},
+	{ .name = "comm",	.entry = &sort_comm,	},
+	{ .name = "dso",	.entry = &sort_dso,	},
+	{ .name = "symbol",	.entry = &sort_sym,	},
+	{ .name = "parent",	.entry = &sort_parent,	},
+	{ .name = "cpu",	.entry = &sort_cpu,	},
+};
+
 int sort_dimension__add(const char *tok)
 {
 	unsigned int i;

tools/perf/util/sort.h

@@ -108,14 +108,6 @@ extern size_t sort__thread_print(FILE *, struct hist_entry *, unsigned int);
 extern size_t sort__comm_print(FILE *, struct hist_entry *, unsigned int);
 extern size_t sort__dso_print(FILE *, struct hist_entry *, unsigned int);
 extern size_t sort__sym_print(FILE *, struct hist_entry *, unsigned int __used);
-extern int64_t cmp_null(void *, void *);
-extern int64_t sort__thread_cmp(struct hist_entry *, struct hist_entry *);
-extern int64_t sort__comm_cmp(struct hist_entry *, struct hist_entry *);
-extern int64_t sort__comm_collapse(struct hist_entry *, struct hist_entry *);
-extern int64_t sort__dso_cmp(struct hist_entry *, struct hist_entry *);
-extern int64_t sort__sym_cmp(struct hist_entry *, struct hist_entry *);
-extern int64_t sort__parent_cmp(struct hist_entry *, struct hist_entry *);
-int64_t sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right);
 extern size_t sort__parent_print(FILE *, struct hist_entry *, unsigned int);
 extern int sort_dimension__add(const char *);
 void sort_entry__setup_elide(struct sort_entry *self, struct strlist *list,