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Subject[PATCH 16/20] perf tools: Remove __event_name
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

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>
---
tools/perf/util/parse-events.c | 61 ++++------------------------------------
tools/perf/util/parse-events.h | 1 -
2 files changed, 6 insertions(+), 56 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 517e647..eacf932 100644
--- 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
--- 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);
--
1.7.1


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