[v1,2/6] perf usage: Move usage strings

Commit Message

Ian Rogers March 28, 2023, 1:40 a.m. UTC

This simplifies linking a main function when perf.c isn't present.

Signed-off-by: Ian Rogers <[e-mail]>
---
 tools/perf/builtin-help.c | 1 +
 tools/perf/builtin.h      | 3 ---
 tools/perf/perf.c         | 6 ------
 tools/perf/util/usage.c   | 6 ++++++
 tools/perf/util/util.h    | 3 +++
 5 files changed, 10 insertions(+), 9 deletions(-)

Patch

diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index 3976aebe3677..3e7f52054fac 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -14,6 +14,7 @@ 
 #include <subcmd/run-command.h>
 #include <subcmd/help.h>
 #include "util/debug.h"
+#include "util/util.h"
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/zalloc.h>
diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h
index d03afea86217..f2ab5bae2150 100644
--- a/tools/perf/builtin.h
+++ b/tools/perf/builtin.h
@@ -2,9 +2,6 @@ 
 #ifndef BUILTIN_H
 #define BUILTIN_H
 
-extern const char perf_usage_string[];
-extern const char perf_more_info_string[];
-
 void list_common_cmds_help(void);
 const char *help_unknown_cmd(const char *cmd);
 
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 4b1b31e78332..997bb9ea5ebc 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -39,12 +39,6 @@ 
 #include <linux/string.h>
 #include <linux/zalloc.h>
 
-const char perf_usage_string[] =
-	"perf [--version] [--help] [OPTIONS] COMMAND [ARGS]";
-
-const char perf_more_info_string[] =
-	"See 'perf help COMMAND' for more information on a specific command.";
-
 static int use_pager = -1;
 const char *input_name;
 
diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c
index 196438ee4c9d..4c8ffbad2323 100644
--- a/tools/perf/util/usage.c
+++ b/tools/perf/util/usage.c
@@ -12,6 +12,12 @@ 
 #include <stdlib.h>
 #include <linux/compiler.h>
 
+const char perf_usage_string[] =
+	"perf [--version] [--help] [OPTIONS] COMMAND [ARGS]";
+
+const char perf_more_info_string[] =
+	"See 'perf help COMMAND' for more information on a specific command.";
+
 static __noreturn void usage_builtin(const char *err)
 {
 	fprintf(stderr, "\n Usage: %s\n", err);
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 1d3b300af5a1..5010abf9e01e 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -15,6 +15,9 @@ 
 #include <internal/cpumap.h>
 #endif
 
+extern const char perf_usage_string[];
+extern const char perf_more_info_string[];
+
 /* General helper functions */
 void usage(const char *err) __noreturn;
 void die(const char *err, ...) __noreturn __printf(1, 2);