perf tools: Remove __event_name

Not needed anymore, the parsing code can just leave evsel->name as NULL
and the first call to perf_evsel__name() will do exactly what was being
pre-cached using __event_name().

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-cn2eiijcinnc97buod8cs34m@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 517e647..eacf932 100644 (file)
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -161,24 +161,6 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
        return NULL;
 }
 
-#define TP_PATH_LEN (MAX_EVENT_LENGTH * 2 + 1)
-static const char *tracepoint_id_to_name(u64 config)
-{
-       static char buf[TP_PATH_LEN];
-       struct tracepoint_path *path;
-
-       path = tracepoint_id_to_path(config);
-       if (path) {
-               snprintf(buf, TP_PATH_LEN, "%s:%s", path->system, path->name);
-               free(path->name);
-               free(path->system);
-               free(path);
-       } else
-               snprintf(buf, TP_PATH_LEN, "%s:%s", "unknown", "unknown");
-
-       return buf;
-}
-
 const char *event_type(int type)
 {
        switch (type) {
@@ -201,36 +183,6 @@ const char *event_type(int type)
        return "unknown";
 }
 
-const char *__event_name(int type, u64 config)
-{
-       static char buf[32];
-
-       if (type == PERF_TYPE_RAW) {
-               sprintf(buf, "raw 0x%" PRIx64, config);
-               return buf;
-       }
-
-       switch (type) {
-       case PERF_TYPE_HARDWARE:
-               return __perf_evsel__hw_name(config);
-
-       case PERF_TYPE_HW_CACHE:
-               __perf_evsel__hw_cache_name(config, buf, sizeof(buf));
-               return buf;
-
-       case PERF_TYPE_SOFTWARE:
-               return __perf_evsel__sw_name(config);
-
-       case PERF_TYPE_TRACEPOINT:
-               return tracepoint_id_to_name(config);
-
-       default:
-               break;
-       }
-
-       return "unknown";
-}
-
 static int add_event(struct list_head **_list, int *idx,
                     struct perf_event_attr *attr, char *name)
 {
@@ -252,7 +204,8 @@ static int add_event(struct list_head **_list, int *idx,
                return -ENOMEM;
        }
 
-       evsel->name = strdup(name);
+       if (name)
+               evsel->name = strdup(name);
        list_add_tail(&evsel->node, list);
        *_list = list;
        return 0;
@@ -545,8 +498,7 @@ int parse_events_add_numeric(struct list_head **list, int *idx,
            config_attr(&attr, head_config, 1))
                return -EINVAL;
 
-       return add_event(list, idx, &attr,
-                        (char *) __event_name(type, config));
+       return add_event(list, idx, &attr, NULL);
 }
 
 static int parse_events__is_name_term(struct parse_events__term *term)
@@ -554,8 +506,7 @@ static int parse_events__is_name_term(struct parse_events__term *term)
        return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME;
 }
 
-static char *pmu_event_name(struct perf_event_attr *attr,
-                           struct list_head *head_terms)
+static char *pmu_event_name(struct list_head *head_terms)
 {
        struct parse_events__term *term;
 
@@ -563,7 +514,7 @@ static char *pmu_event_name(struct perf_event_attr *attr,
                if (parse_events__is_name_term(term))
                        return term->val.str;
 
-       return (char *) __event_name(PERF_TYPE_RAW, attr->config);
+       return NULL;
 }
 
 int parse_events_add_pmu(struct list_head **list, int *idx,
@@ -588,7 +539,7 @@ int parse_events_add_pmu(struct list_head **list, int *idx,
                return -EINVAL;
 
        return add_event(list, idx, &attr,
-                        pmu_event_name(&attr, head_config));
+                        pmu_event_name(head_config));
 }
 
 void parse_events_update_lists(struct list_head *list_event,

diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index d7eb070..1784f06 100644 (file)
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -26,7 +26,6 @@ extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
 extern bool have_tracepoints(struct list_head *evlist);
 
 const char *event_type(int type);
-extern const char *__event_name(int type, u64 config);
 
 extern int parse_events_option(const struct option *opt, const char *str,
                               int unset);