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      1 /*
      2  * Builtin evlist command: Show the list of event selectors present
      3  * in a perf.data file.
      4  */
      5 #include "builtin.h"
      6 
      7 #include "util/util.h"
      8 
      9 /* ANDROID_CHANGE_BEGIN */
     10 #if 0
     11 #include <linux/list.h>
     12 #else
     13 #include "util/include/linux/list.h"
     14 #endif
     15 /* ANDROID_CHANGE_END */
     16 
     17 #include "perf.h"
     18 #include "util/evlist.h"
     19 #include "util/evsel.h"
     20 #include "util/parse-events.h"
     21 #include "util/parse-options.h"
     22 #include "util/session.h"
     23 
     24 static char const *input_name = "perf.data";
     25 
     26 static int __cmd_evlist(void)
     27 {
     28 	struct perf_session *session;
     29 	struct perf_evsel *pos;
     30 
     31 	session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
     32 	if (session == NULL)
     33 		return -ENOMEM;
     34 
     35 	list_for_each_entry(pos, &session->evlist->entries, node)
     36 		printf("%s\n", event_name(pos));
     37 
     38 	perf_session__delete(session);
     39 	return 0;
     40 }
     41 
     42 static const char * const evlist_usage[] = {
     43 	"perf evlist [<options>]",
     44 	NULL
     45 };
     46 
     47 static const struct option options[] = {
     48 	OPT_STRING('i', "input", &input_name, "file",
     49 		    "input file name"),
     50 	OPT_END()
     51 };
     52 
     53 int cmd_evlist(int argc, const char **argv, const char *prefix __used)
     54 {
     55 	argc = parse_options(argc, argv, options, evlist_usage, 0);
     56 	if (argc)
     57 		usage_with_options(evlist_usage, options);
     58 
     59 	return __cmd_evlist();
     60 }
     61