perf tools: Remove needless 'extern' from function prototypes

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-w246stf7ponfamclsai6b9zo@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 25 insertions, 26 deletions

diff --git a/tools/perf/util/svghelper.h b/tools/perf/util/svghelper.h
index 9292a52..946fdf2 100644
--- a/tools/perf/util/svghelper.h
+++ b/tools/perf/util/svghelper.h
@@ -3,32 +3,31 @@
 
 #include <linux/types.h>
 
-extern void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end);
-extern void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges);
-extern void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges);
-extern void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges);
-extern void svg_box(int Yslot, u64 start, u64 end, const char *type);
-extern void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
-extern void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
-extern void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
-extern void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency);
-
-
-extern void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace);
-extern void svg_cstate(int cpu, u64 start, u64 end, int type);
-extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq);
-
-
-extern void svg_time_grid(double min_thickness);
-extern void svg_io_legenda(void);
-extern void svg_legenda(void);
-extern void svg_wakeline(u64 start, int row1, int row2, const char *backtrace);
-extern void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace);
-extern void svg_interrupt(u64 start, int row, const char *backtrace);
-extern void svg_text(int Yslot, u64 start, const char *text);
-extern void svg_close(void);
-extern int svg_build_topology_map(char *sib_core, int sib_core_nr,
-				  char *sib_thr, int sib_thr_nr);
+void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end);
+void svg_ubox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges);
+void svg_lbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges);
+void svg_fbox(int Yslot, u64 start, u64 end, double height, const char *type, int fd, int err, int merges);
+void svg_box(int Yslot, u64 start, u64 end, const char *type);
+void svg_blocked(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
+void svg_running(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
+void svg_waiting(int Yslot, int cpu, u64 start, u64 end, const char *backtrace);
+void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency);
+
+
+void svg_process(int cpu, u64 start, u64 end, int pid, const char *name, const char *backtrace);
+void svg_cstate(int cpu, u64 start, u64 end, int type);
+void svg_pstate(int cpu, u64 start, u64 end, u64 freq);
+
+
+void svg_time_grid(double min_thickness);
+void svg_io_legenda(void);
+void svg_legenda(void);
+void svg_wakeline(u64 start, int row1, int row2, const char *backtrace);
+void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2, const char *backtrace);
+void svg_interrupt(u64 start, int row, const char *backtrace);
+void svg_text(int Yslot, u64 start, const char *text);
+void svg_close(void);
+int svg_build_topology_map(char *sib_core, int sib_core_nr, char *sib_thr, int sib_thr_nr);
 
 extern int svg_page_width;
 extern u64 svg_highlight;