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authorYunlong Song <yunlong.song@huawei.com>2015-02-27 13:21:27 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-02-27 21:52:18 +0300
commit705750f2d6e283ba2856ba8eda60dce2d405b387 (patch)
tree7bcd239ca2dba67baff8fd48148de7769059f7f2
parent3ef1e65c829c86ffaa94a4ed59fed5da37f9610a (diff)
downloadlinux-705750f2d6e283ba2856ba8eda60dce2d405b387.tar.xz
perf list: Clean up the printing functions of hardware/software events
Do not need print_events_type or __print_events_type for listing hw/sw events, let print_symbol_events do its job instead. Moreover, print_symbol_events can also handle event_glob and name_only. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1425032491-20224-4-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/builtin-list.c6
-rw-r--r--tools/perf/util/parse-events.c80
-rw-r--r--tools/perf/util/parse-events.h11
3 files changed, 17 insertions, 80 deletions
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 2acbcf0b554f..8b323e015458 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -54,10 +54,12 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
print_tracepoint_events(NULL, NULL, false);
else if (strcmp(argv[i], "hw") == 0 ||
strcmp(argv[i], "hardware") == 0)
- print_events_type(PERF_TYPE_HARDWARE);
+ print_symbol_events(NULL, PERF_TYPE_HARDWARE,
+ event_symbols_hw, PERF_COUNT_HW_MAX, false);
else if (strcmp(argv[i], "sw") == 0 ||
strcmp(argv[i], "software") == 0)
- print_events_type(PERF_TYPE_SOFTWARE);
+ print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
+ event_symbols_sw, PERF_COUNT_SW_MAX, false);
else if (strcmp(argv[i], "cache") == 0 ||
strcmp(argv[i], "hwcache") == 0)
print_hwcache_events(NULL, false);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index f6822d9b2b53..fe07573d5ed4 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -20,11 +20,6 @@
#define MAX_NAME_LEN 100
-struct event_symbol {
- const char *symbol;
- const char *alias;
-};
-
#ifdef PARSER_DEBUG
extern int parse_events_debug;
#endif
@@ -39,7 +34,7 @@ static struct perf_pmu_event_symbol *perf_pmu_events_list;
*/
static int perf_pmu_events_list_num;
-static struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
+struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = {
.symbol = "cpu-cycles",
.alias = "cycles",
@@ -82,7 +77,7 @@ static struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = {
},
};
-static struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
+struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
[PERF_COUNT_SW_CPU_CLOCK] = {
.symbol = "cpu-clock",
.alias = "",
@@ -1269,75 +1264,6 @@ static bool is_event_supported(u8 type, unsigned config)
return ret;
}
-static void __print_events_type(u8 type, struct event_symbol *syms,
- unsigned max)
-{
- char name[64];
- unsigned int i, evt_i = 0, evt_num = 0;
- char **evt_list = NULL;
- bool evt_num_known = false;
-
-restart:
- if (evt_num_known) {
- evt_list = zalloc(sizeof(char *) * evt_num);
- if (!evt_list)
- goto out_enomem;
- syms -= max;
- }
-
- for (i = 0; i < max ; i++, syms++) {
- if (!is_event_supported(type, i))
- continue;
-
- if (!evt_num_known) {
- evt_num++;
- continue;
- }
-
- if (strlen(syms->alias))
- snprintf(name, sizeof(name), "%s OR %s",
- syms->symbol, syms->alias);
- else
- snprintf(name, sizeof(name), "%s", syms->symbol);
-
- evt_list[evt_i] = strdup(name);
- if (evt_list[evt_i] == NULL)
- goto out_enomem;
- evt_i++;
- }
-
- if (!evt_num_known) {
- evt_num_known = true;
- goto restart;
- }
- qsort(evt_list, evt_num, sizeof(char *), cmp_string);
- evt_i = 0;
- while (evt_i < evt_num)
- printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]);
- if (evt_num)
- printf("\n");
-
-out_free:
- evt_num = evt_i;
- for (evt_i = 0; evt_i < evt_num; evt_i++)
- zfree(&evt_list[evt_i]);
- zfree(&evt_list);
- return;
-
-out_enomem:
- printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]);
- if (evt_list)
- goto out_free;
-}
-
-void print_events_type(u8 type)
-{
- if (type == PERF_TYPE_SOFTWARE)
- __print_events_type(type, event_symbols_sw, PERF_COUNT_SW_MAX);
- else
- __print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX);
-}
-
int print_hwcache_events(const char *event_glob, bool name_only)
{
unsigned int type, op, i, evt_i = 0, evt_num = 0;
@@ -1412,7 +1338,7 @@ out_enomem:
return evt_num;
}
-static void print_symbol_events(const char *event_glob, unsigned type,
+void print_symbol_events(const char *event_glob, unsigned type,
struct event_symbol *syms, unsigned max,
bool name_only)
{
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 39c3b57965d1..52a2dda4f954 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -116,7 +116,16 @@ void parse_events_update_lists(struct list_head *list_event,
void parse_events_error(void *data, void *scanner, char const *msg);
void print_events(const char *event_glob, bool name_only);
-void print_events_type(u8 type);
+
+struct event_symbol {
+ const char *symbol;
+ const char *alias;
+};
+extern struct event_symbol event_symbols_hw[];
+extern struct event_symbol event_symbols_sw[];
+void print_symbol_events(const char *event_glob, unsigned type,
+ struct event_symbol *syms, unsigned max,
+ bool name_only);
void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
bool name_only);
int print_hwcache_events(const char *event_glob, bool name_only);