perf target: Split out perf_target handling code

For further work on perf_target, it'd be better off splitting the code
into a separate file.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1335417327-11796-9-git-send-email-namhyung.kim@lge.com
[ committer note: Fixed perl build by using stdbool and types.h in target.h ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/Makefile

@@ -300,6 +300,7 @@ LIB_H += util/cpumap.h
 LIB_H += util/top.h
 LIB_H += $(ARCH_INCLUDE)
 LIB_H += util/cgroup.h
+LIB_H += util/target.h
 
 LIB_OBJS += $(OUTPUT)util/abspath.o
 LIB_OBJS += $(OUTPUT)util/alias.o
@@ -361,6 +362,7 @@ LIB_OBJS += $(OUTPUT)util/util.o
 LIB_OBJS += $(OUTPUT)util/xyarray.o
 LIB_OBJS += $(OUTPUT)util/cpumap.o
 LIB_OBJS += $(OUTPUT)util/cgroup.o
+LIB_OBJS += $(OUTPUT)util/target.o
 
 BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
 

tools/perf/perf.h

@@ -207,14 +207,7 @@ extern const char perf_version_string[];
 
 void pthread__unblock_sigwinch(void);
 
-struct perf_target {
+#include "util/target.h"
-	const char   *pid;
-	const char   *tid;
-	const char   *cpu_list;
-	const char   *uid_str;
-	uid_t	     uid;
-	bool	     system_wide;
-};
 
 struct perf_record_opts {
 	struct perf_target target;

tools/perf/util/evlist.c

@@ -11,6 +11,7 @@
 #include <poll.h>
 #include "cpumap.h"
 #include "thread_map.h"
+#include "target.h"
 #include "evlist.h"
 #include "evsel.h"
 #include <unistd.h>

tools/perf/util/evsel.c

@@ -14,6 +14,7 @@
 #include "util.h"
 #include "cpumap.h"
 #include "thread_map.h"
+#include "target.h"
 
 #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
 #define GROUP_FD(group_fd, cpu) (*(int *)xyarray__entry(group_fd, cpu, 0))

tools/perf/util/target.c

@@ -0,0 +1,45 @@
+/*
+ * Helper functions for handling target threads/cpus
+ *
+ * Copyright (C) 2012, LG Electronics, Namhyung Kim <namhyung.kim@lge.com>
+ *
+ * Released under the GPL v2.
+ */
+
+#include "target.h"
+#include "debug.h"
+
+
+void perf_target__validate(struct perf_target *target)
+{
+	if (target->pid)
+		target->tid = target->pid;
+
+	/* CPU and PID are mutually exclusive */
+	if (target->tid && target->cpu_list) {
+		ui__warning("WARNING: PID switch overriding CPU\n");
+		sleep(1);
+		target->cpu_list = NULL;
+	}
+
+	/* UID and PID are mutually exclusive */
+	if (target->tid && target->uid_str) {
+		ui__warning("PID/TID switch overriding UID\n");
+		sleep(1);
+		target->uid_str = NULL;
+	}
+
+	/* UID and CPU are mutually exclusive */
+	if (target->uid_str && target->cpu_list) {
+		ui__warning("UID switch overriding CPU\n");
+		sleep(1);
+		target->cpu_list = NULL;
+	}
+
+	/* PID/UID and SYSTEM are mutually exclusive */
+	if ((target->tid || target->uid_str) && target->system_wide) {
+		ui__warning("PID/TID/UID switch overriding CPU\n");
+		sleep(1);
+		target->system_wide = false;
+	}
+}

tools/perf/util/target.h

@@ -0,0 +1,18 @@
+#ifndef _PERF_TARGET_H
+#define _PERF_TARGET_H
+
+#include <stdbool.h>
+#include <sys/types.h>
+
+struct perf_target {
+	const char   *pid;
+	const char   *tid;
+	const char   *cpu_list;
+	const char   *uid_str;
+	uid_t	     uid;
+	bool	     system_wide;
+};
+
+void perf_target__validate(struct perf_target *target);
+
+#endif /* _PERF_TARGET_H */

tools/perf/util/usage.c

@@ -113,37 +113,3 @@ uid_t parse_target_uid(const char *str)
 
 	return result->pw_uid;
 }
-
-void perf_target__validate(struct perf_target *target)
-{
-	if (target->pid)
-		target->tid = target->pid;
-
-	/* CPU and PID are mutually exclusive */
-	if (target->tid && target->cpu_list) {
-		ui__warning("WARNING: PID switch overriding CPU\n");
-		sleep(1);
-		target->cpu_list = NULL;
-	}
-
-	/* UID and PID are mutually exclusive */
-	if (target->tid && target->uid_str) {
-		ui__warning("PID/TID switch overriding UID\n");
-		sleep(1);
-		target->uid_str = NULL;
-	}
-
-	/* UID and CPU are mutually exclusive */
-	if (target->uid_str && target->cpu_list) {
-		ui__warning("UID switch overriding CPU\n");
-		sleep(1);
-		target->cpu_list = NULL;
-	}
-
-	/* PID/UID and SYSTEM are mutually exclusive */
-	if ((target->tid || target->uid_str) && target->system_wide) {
-		ui__warning("PID/TID/UID switch overriding CPU\n");
-		sleep(1);
-		target->system_wide = false;
-	}
-}

tools/perf/util/util.h

@@ -246,12 +246,10 @@ unsigned long convert_unit(unsigned long value, char *unit);
 int readn(int fd, void *buf, size_t size);
 
 struct perf_event_attr;
-struct perf_target;
 
 void event_attr_init(struct perf_event_attr *attr);
 
 uid_t parse_target_uid(const char *str);
-void perf_target__validate(struct perf_target *target);
 
 #define _STR(x) #x
 #define STR(x) _STR(x)