perf evsel: Adopt fprintf routine from 'perf evlist'

So that we can print all the details when debugging other tools,
when we have just evlists and evsels, not a perf.data file.

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-mktq5fy2h5z7jyeqvvf5mbc8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c
index c20f1dc..1312a5e 100644
--- a/tools/perf/builtin-evlist.c
+++ b/tools/perf/builtin-evlist.c
@@ -15,39 +15,6 @@
 #include "util/parse-options.h"
 #include "util/session.h"
 
-struct perf_attr_details {
-	bool freq;
-	bool verbose;
-};
-
-static int comma_printf(bool *first, const char *fmt, ...)
-{
-	va_list args;
-	int ret = 0;
-
-	if (!*first) {
-		ret += printf(",");
-	} else {
-		ret += printf(":");
-		*first = false;
-	}
-
-	va_start(args, fmt);
-	ret += vprintf(fmt, args);
-	va_end(args);
-	return ret;
-}
-
-static int __if_print(bool *first, const char *field, u64 value)
-{
-	if (value == 0)
-		return 0;
-
-	return comma_printf(first, " %s: %" PRIu64, field, value);
-}
-
-#define if_print(field) __if_print(&first, #field, pos->attr.field)
-
 static int __cmd_evlist(const char *file_name, struct perf_attr_details *details)
 {
 	struct perf_session *session;
@@ -57,52 +24,8 @@
 	if (session == NULL)
 		return -ENOMEM;
 
-	list_for_each_entry(pos, &session->evlist->entries, node) {
-		bool first = true;
-
-		printf("%s", perf_evsel__name(pos));
-
-		if (details->verbose || details->freq) {
-			comma_printf(&first, " sample_freq=%" PRIu64,
-				     (u64)pos->attr.sample_freq);
-		}
-
-		if (details->verbose) {
-			if_print(type);
-			if_print(config);
-			if_print(config1);
-			if_print(config2);
-			if_print(size);
-			if_print(sample_type);
-			if_print(read_format);
-			if_print(disabled);
-			if_print(inherit);
-			if_print(pinned);
-			if_print(exclusive);
-			if_print(exclude_user);
-			if_print(exclude_kernel);
-			if_print(exclude_hv);
-			if_print(exclude_idle);
-			if_print(mmap);
-			if_print(comm);
-			if_print(freq);
-			if_print(inherit_stat);
-			if_print(enable_on_exec);
-			if_print(task);
-			if_print(watermark);
-			if_print(precise_ip);
-			if_print(mmap_data);
-			if_print(sample_id_all);
-			if_print(exclude_host);
-			if_print(exclude_guest);
-			if_print(__reserved_1);
-			if_print(wakeup_events);
-			if_print(bp_type);
-			if_print(branch_sample_type);
-		}
-
-		putchar('\n');
-	}
+	list_for_each_entry(pos, &session->evlist->entries, node)
+		perf_evsel__fprintf(pos, details, stdout);
 
 	perf_session__delete(session);
 	return 0;