perf tools: Move event prototypes from util.h to event.h

More needs to be done to have the actual functions and variables in a
smaller .c file that can then be included in the python binding,
avoiding dragging more stuff into it.

Link: http://lkml.kernel.org/n/tip-uecxz7cqkssouj7tlxrkqpl4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index e33b4ac..620a467 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -27,6 +27,7 @@
 #include "tool.h"
 #include "data.h"
 #include "sort.h"
+#include "event.h"
 #include "evlist.h"
 #include "evsel.h"
 #include <asm/bug.h>
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 7ab42b8..10b6362 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -27,13 +27,13 @@
 #include "util/drv_configs.h"
 #include "util/evlist.h"
 #include "util/evsel.h"
+#include "util/event.h"
 #include "util/machine.h"
 #include "util/session.h"
 #include "util/symbol.h"
 #include "util/thread.h"
 #include "util/thread_map.h"
 #include "util/top.h"
-#include "util/util.h"
 #include <linux/rbtree.h>
 #include <subcmd/parse-options.h>
 #include "util/parse-events.h"
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index eaa66fb..d014350 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -21,6 +21,7 @@
 #include "builtin.h"
 #include "util/color.h"
 #include "util/debug.h"
+#include "util/event.h"
 #include "util/evlist.h"
 #include <subcmd/exec-cmd.h>
 #include "util/machine.h"
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 4cc6960..628a5e4 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -17,6 +17,7 @@
 #include <subcmd/parse-options.h>
 #include "util/bpf-loader.h"
 #include "util/debug.h"
+#include "util/event.h"
 #include <api/fs/fs.h>
 #include <api/fs/tracing_path.h>
 #include <errno.h>
diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
index 70918b9..d549a9f 100644
--- a/tools/perf/tests/hists_cumulate.c
+++ b/tools/perf/tests/hists_cumulate.c
@@ -1,5 +1,6 @@
 #include "perf.h"
 #include "util/debug.h"
+#include "util/event.h"
 #include "util/symbol.h"
 #include "util/sort.h"
 #include "util/evsel.h"
diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
index f171b2d..df9c91f 100644
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -3,6 +3,7 @@
 #include "util/symbol.h"
 #include "util/sort.h"
 #include "util/evsel.h"
+#include "util/event.h"
 #include "util/evlist.h"
 #include "util/machine.h"
 #include "util/thread.h"
diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
index cdf0dde..06e5080 100644
--- a/tools/perf/tests/hists_output.c
+++ b/tools/perf/tests/hists_output.c
@@ -1,5 +1,6 @@
 #include "perf.h"
 #include "util/debug.h"
+#include "util/event.h"
 #include "util/symbol.h"
 #include "util/sort.h"
 #include "util/evsel.h"
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 142835c..437194f 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -8,6 +8,7 @@
 #include <unistd.h>
 #include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */
 #include <api/fs/fs.h>
+#include <linux/perf_event.h>
 #include "event.h"
 #include "debug.h"
 #include "hist.h"
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index db2de64..cfbe32b 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -681,4 +681,12 @@
 void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max);
 void  cpu_map_data__synthesize(struct cpu_map_data *data, struct cpu_map *map,
 			       u16 type, int max);
+
+void event_attr_init(struct perf_event_attr *attr);
+
+int perf_event_paranoid(void);
+
+extern int sysctl_perf_event_max_stack;
+extern int sysctl_perf_event_max_contexts_per_stack;
+
 #endif /* __PERF_RECORD_H */
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 0e87909..e4f7902 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -21,6 +21,7 @@
 #include "asm/bug.h"
 #include "callchain.h"
 #include "cgroup.h"
+#include "event.h"
 #include "evsel.h"
 #include "evlist.h"
 #include "util.h"
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index e7b6f36..f87b894 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -56,17 +56,11 @@
 ssize_t readn(int fd, void *buf, size_t n);
 ssize_t writen(int fd, void *buf, size_t n);
 
-struct perf_event_attr;
-
-void event_attr_init(struct perf_event_attr *attr);
-
 size_t hex_width(u64 v);
 int hex2u64(const char *ptr, u64 *val);
 
 extern unsigned int page_size;
 extern int cacheline_size;
-extern int sysctl_perf_event_max_stack;
-extern int sysctl_perf_event_max_contexts_per_stack;
 
 struct parse_tag {
 	char tag;
@@ -75,8 +69,6 @@
 
 unsigned long parse_tag_value(const char *str, struct parse_tag *tags);
 
-int perf_event_paranoid(void);
-
 void mem_bswap_64(void *src, int byte_size);
 void mem_bswap_32(void *src, int byte_size);