[PATCH 3/5] perf tools: event parser: Add const qualifier to evt_name and sys_name

[Wang Nan]

Add missing 'const' qualifiers so following commits are able to create
tracepoints using const strings.

Signed-off-by: Wang Nan <wangn...@huawei.com>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Alexei Starovoitov <a...@kernel.org>
Cc: Li Zefan <lize...@huawei.com>
Cc: Jiri Olsa <jo...@kernel.org>
---
 tools/perf/util/parse-events.c | 12 ++++++------
 tools/perf/util/parse-events.h |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index ebd87b7..d866824 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -436,7 +436,7 @@ int parse_events_add_cache(struct list_head *list, int *idx,
 }
 
 static void tracepoint_error(struct parse_events_error *e, int err,
-                            char *sys, char *name)
+                            const char *sys, const char *name)
 {
        char help[BUFSIZ];
 
@@ -466,7 +466,7 @@ static void tracepoint_error(struct parse_events_error *e, 
int err,
 }
 
 static int add_tracepoint(struct list_head *list, int *idx,
-                         char *sys_name, char *evt_name,
+                         const char *sys_name, const char *evt_name,
                          struct parse_events_error *err,
                          struct list_head *head_config)
 {
@@ -491,7 +491,7 @@ static int add_tracepoint(struct list_head *list, int *idx,
 }
 
 static int add_tracepoint_multi_event(struct list_head *list, int *idx,
-                                     char *sys_name, char *evt_name,
+                                     const char *sys_name, const char 
*evt_name,
                                      struct parse_events_error *err,
                                      struct list_head *head_config)
 {
@@ -533,7 +533,7 @@ static int add_tracepoint_multi_event(struct list_head 
*list, int *idx,
 }
 
 static int add_tracepoint_event(struct list_head *list, int *idx,
-                               char *sys_name, char *evt_name,
+                               const char *sys_name, const char *evt_name,
                                struct parse_events_error *err,
                                struct list_head *head_config)
 {
@@ -545,7 +545,7 @@ static int add_tracepoint_event(struct list_head *list, int 
*idx,
 }
 
 static int add_tracepoint_multi_sys(struct list_head *list, int *idx,
-                                   char *sys_name, char *evt_name,
+                                   const char *sys_name, const char *evt_name,
                                    struct parse_events_error *err,
                                    struct list_head *head_config)
 {
@@ -1126,7 +1126,7 @@ do {                                                      
        \
 }
 
 int parse_events_add_tracepoint(struct list_head *list, int *idx,
-                               char *sys, char *event,
+                               const char *sys, const char *event,
                                struct parse_events_error *err,
                                struct list_head *head_config)
 {
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 46c05cc..0bd664d 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -134,7 +134,7 @@ int parse_events__modifier_event(struct list_head *list, 
char *str, bool add);
 int parse_events__modifier_group(struct list_head *list, char *event_mod);
 int parse_events_name(struct list_head *list, char *name);
 int parse_events_add_tracepoint(struct list_head *list, int *idx,
-                               char *sys, char *event,
+                               const char *sys, const char *event,
                                struct parse_events_error *error,
                                struct list_head *head_config);
 int parse_events_load_bpf(struct parse_events_evlist *data,
-- 
1.8.3.4