perf tools: Uninline scnprintf() and vscnprint()

They were in tools/include/linux/kernel.h, requiring that it in turn
included stdio.h, which is way too heavy.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-855h8olnkot9v0dajuee1lo3@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/MANIFEST

@@ -30,6 +30,7 @@ tools/lib/symbol/kallsyms.h
 tools/lib/find_bit.c
 tools/lib/bitmap.c
 tools/lib/str_error_r.c
+tools/lib/vsprintf.c
 tools/include/asm/atomic.h
 tools/include/asm/barrier.h
 tools/include/asm/bug.h

tools/perf/util/Build

@@ -85,6 +85,7 @@ libperf-y += parse-regs-options.o
 libperf-y += term.o
 libperf-y += help-unknown-cmd.o
 libperf-y += mem-events.o
+libperf-y += vsprintf.o
 
 libperf-$(CONFIG_LIBBPF) += bpf-loader.o
 libperf-$(CONFIG_BPF_PROLOGUE) += bpf-prologue.o
@@ -181,3 +182,7 @@ $(OUTPUT)util/str_error_r.o: ../lib/str_error_r.c FORCE
 $(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE
 	$(call rule_mkdir)
 	$(call if_changed_dep,cc_o_c)
+
+$(OUTPUT)util/vsprintf.o: ../lib/vsprintf.c FORCE
+	$(call rule_mkdir)
+	$(call if_changed_dep,cc_o_c)

tools/perf/util/color.c

@@ -1,6 +1,8 @@
 #include <linux/kernel.h>
 #include "cache.h"
 #include "config.h"
+#include <stdlib.h>
+#include <stdio.h>
 #include "color.h"
 #include <math.h>
 #include <unistd.h>

tools/perf/util/dso.h

@@ -4,6 +4,7 @@
 #include <linux/atomic.h>
 #include <linux/types.h>
 #include <linux/rbtree.h>
+#include <sys/types.h>
 #include <stdbool.h>
 #include <pthread.h>
 #include <linux/types.h>

tools/perf/util/help-unknown-cmd.c

@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "config.h"
+#include <stdio.h>
 #include <subcmd/help.h>
 #include "../builtin.h"
 #include "levenshtein.h"

tools/perf/util/python-ext-sources

@@ -14,6 +14,7 @@ util/cpumap.c
 ../lib/find_bit.c
 ../lib/hweight.c
 ../lib/str_error_r.c
+../lib/vsprintf.c
 util/thread_map.c
 util/util.c
 util/xyarray.c