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perf c2c report: Add c2c related stats stdio output

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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>
This commit is contained in:
Jiri Olsa 2016-08-27 11:40:23 +02:00 committed by Arnaldo Carvalho de Melo
parent 7ef2efaab4
commit 2709b97dc2
1 changed files with 27 additions and 6 deletions
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33
tools/perf/builtin-c2c.c
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@ -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 @@ out:
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);