From: Arnaldo Carvalho de Melo <a...@redhat.com>

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 <dsah...@gmail.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Mike Galbraith <efa...@gmx.de>
Cc: Namhyung Kim <namhy...@gmail.com>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Stephane Eranian <eran...@google.com>
Link: http://lkml.kernel.org/n/tip-mktq5fy2h5z7jyeqvvf5m...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-evlist.c |   81 ++-----------------------------------------
 tools/perf/util/evsel.c     |   77 ++++++++++++++++++++++++++++++++++++++++
 tools/perf/util/evsel.h     |    8 +++++
 3 files changed, 87 insertions(+), 79 deletions(-)

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 @@ static int __cmd_evlist(const char *file_name, struct 
perf_attr_details *details
        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;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 2492d32..643df4b 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1228,3 +1228,80 @@ u64 perf_evsel__intval(struct perf_evsel *evsel, struct 
perf_sample *sample,
 
        return 0;
 }
+
+static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...)
+{
+       va_list args;
+       int ret = 0;
+
+       if (!*first) {
+               ret += fprintf(fp, ",");
+       } else {
+               ret += fprintf(fp, ":");
+               *first = false;
+       }
+
+       va_start(args, fmt);
+       ret += vfprintf(fp, fmt, args);
+       va_end(args);
+       return ret;
+}
+
+static int __if_fprintf(FILE *fp, bool *first, const char *field, u64 value)
+{
+       if (value == 0)
+               return 0;
+
+       return comma_fprintf(fp, first, " %s: %" PRIu64, field, value);
+}
+
+#define if_print(field) printed += __if_fprintf(fp, &first, #field, 
evsel->attr.field)
+
+int perf_evsel__fprintf(struct perf_evsel *evsel,
+                       struct perf_attr_details *details, FILE *fp)
+{
+       bool first = true;
+       int printed = fprintf(fp, "%s", perf_evsel__name(evsel));
+
+       if (details->verbose || details->freq) {
+               printed += comma_fprintf(fp, &first, " sample_freq=%" PRIu64,
+                                        (u64)evsel->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);
+       }
+
+       fputc('\n', fp);
+       return ++printed;
+}
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 5c08977..9cb8a02 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -243,4 +243,12 @@ static inline bool perf_evsel__is_group_leader(const 
struct perf_evsel *evsel)
 {
        return evsel->leader == evsel;
 }
+
+struct perf_attr_details {
+       bool freq;
+       bool verbose;
+};
+
+int perf_evsel__fprintf(struct perf_evsel *evsel,
+                       struct perf_attr_details *details, FILE *fp);
 #endif /* __PERF_EVSEL_H */
-- 
1.7.9.2.358.g22243

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