[PATCH 40/52] perf c2c report: Add c2c related stats stdio output

Arnaldo Carvalho de Melo
2016-10-20T15:05:06Z

Display c2c related configuration options/setup.
So far it's output of monitored events:

$ perf c2c report --stats
...

=================================================
c2c details
=================================================
Events : cpu/mem-loads,ldlat=50/pp
: cpu/mem-stores/pp

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-ypz84f3a9fumyttrxurm458z@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-c2c.c | 33 +++++++++++++++++++++++++++------
1 file changed, 27 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 7bbb969f284a..c36d1dc668ac 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -13,6 +13,8 @@
#include "tool.h"
#include "data.h"
#include "sort.h"
+#include "evlist.h"
+#include "evsel.h"
#include <asm/bug.h>
#include "ui/browsers/hists.h"

@@ -1893,13 +1895,32 @@ static void print_pareto(FILE *out)
}
}

-static void perf_c2c__hists_fprintf(FILE *out)
+static void print_c2c_info(FILE *out, struct perf_session *session)
+{
+ struct perf_evlist *evlist = session->evlist;
+ struct perf_evsel *evsel;
+ bool first = true;
+
+ fprintf(out, "=================================================\n");
+ fprintf(out, " c2c details \n");
+ fprintf(out, "=================================================\n");
+
+ evlist__for_each_entry(evlist, evsel) {
+ fprintf(out, "%-36s: %s\n", first ? " Events" : "",
+ perf_evsel__name(evsel));
+ first = false;
+ }
+}
+
+static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
{
setup_pager();

print_c2c__display_stats(out);
fprintf(out, "\n");
print_shared_cacheline_info(out);
+ fprintf(out, "\n");
+ print_c2c_info(out, session);

if (c2c.stats_only)
return;
@@ -2073,18 +2094,18 @@ static int perf_c2c__hists_browse(struct hists *hists)
return 0;
}

-static void perf_c2c_display(void)
+static void perf_c2c_display(struct perf_session *session)
{
if (c2c.use_stdio)
- perf_c2c__hists_fprintf(stdout);
+ perf_c2c__hists_fprintf(stdout, session);
else
perf_c2c__hists_browse(&c2c.hists.hists);
}
#else
-static void perf_c2c_display(void)
+static void perf_c2c_display(struct perf_session *session)
{
use_browser = 0;
- perf_c2c__hists_fprintf(stdout);
+ perf_c2c__hists_fprintf(stdout, session);
}
#endif /* HAVE_SLANG_SUPPORT */

@@ -2197,7 +2218,7 @@ static int perf_c2c__report(int argc, const char **argv)

ui_quirks();

- perf_c2c_display();
+ perf_c2c_display(session);

out_session:
perf_session__delete(session);
--
2.7.4