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Commit 74c63a25 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
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perf c2c report: Add global stats stdio output 

Display global stats table as part of the stdio output
or when --stats option is speicified:

  $ perf c2c report --stats
  =================================================
              Trace Event Information
  =================================================
    Total records                     :      41237
    Locked Load/Store Operations      :       4075
    Load Operations                   :      20526
    Loads - uncacheable               :          0
    Loads - IO                        :          0
    Loads - Miss                      :        552
    Loads - no mapping                :         31
    Load Fill Buffer Hit              :       7333
    Load L1D hit                      :       6398
    Load L2D hit                      :        144
    Load LLC hit                      :       4889
    Load Local HITM                   :       1185
    Load Remote HITM                  :        838
    Load Remote HIT                   :         52
    Load Local DRAM                   :        183
    Load Remote DRAM                  :        106
    Load MESI State Exclusive         :        289
    Load MESI State Shared            :          0
    Load LLC Misses                   :       1179
    LLC Misses to Local DRAM          :       15.5%
    LLC Misses to Remote DRAM         :        9.0%
    LLC Misses to Remote cache (HIT)  :        4.4%
    LLC Misses to Remote cache (HITM) :       71.1%
    Store Operations                  :      20711
    Store - uncacheable               :          0
    Store - no mapping                :          1
    Store L1D Hit                     :      20158
    Store L1D Miss                    :        552
    No Page Map Rejects               :          7
    Unable to parse data source       :          0
Original-patch-by: default avatarDick Fowles <rfowles@redhat.com>
Original-patch-by: default avatarDon Zickus <dzickus@redhat.com>
Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Tested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.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-qkyvao3qsrnwazf0w1jvsh7z@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent f1c5fd4d
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tools/perf/builtin-c2c.c
View file @ 74c63a25
......@@ -55,6 +55,7 @@ struct perf_c2c {
bool show_src;
bool use_stdio;
bool stats_only;
};
static struct perf_c2c c2c;
......@@ -1731,6 +1732,51 @@ static int setup_nodes(struct perf_session *session)
return 0;
}
static void print_c2c__display_stats(FILE *out)
{
int llc_misses;
struct c2c_stats *stats = &c2c.hists.stats;
llc_misses = stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hit +
stats->rmt_hitm;
fprintf(out, "=================================================\n");
fprintf(out, " Trace Event Information \n");
fprintf(out, "=================================================\n");
fprintf(out, " Total records : %10d\n", stats->nr_entries);
fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks);
fprintf(out, " Load Operations : %10d\n", stats->load);
fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache);
fprintf(out, " Loads - IO : %10d\n", stats->ld_io);
fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss);
fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs);
fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit);
fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit);
fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit);
fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm);
fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm);
fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm);
fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit);
fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram);
fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram);
fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
fprintf(out, " Store Operations : %10d\n", stats->store);
fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache);
fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
}
static void print_cacheline(struct c2c_hists *c2c_hists,
struct hist_entry *he_cl,
struct perf_hpp_list *hpp_list,
......@@ -1794,6 +1840,11 @@ static void perf_c2c__hists_fprintf(FILE *out)
{
setup_pager();
print_c2c__display_stats(out);
if (c2c.stats_only)
return;
fprintf(out, "\n");
fprintf(out, "=================================================\n");
fprintf(out, " Shared Data Cache Line Table \n");
......@@ -2005,6 +2056,8 @@ static int perf_c2c__report(int argc, const char **argv)
#ifdef HAVE_SLANG_SUPPORT
OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
#endif
OPT_BOOLEAN(0, "stats", &c2c.stats_only,
"Use the stdio interface"),
OPT_END()
};
int err = 0;
......@@ -2014,6 +2067,9 @@ static int perf_c2c__report(int argc, const char **argv)
if (argc)
usage_with_options(report_c2c_usage, c2c_options);
if (c2c.stats_only)
c2c.use_stdio = true;
if (c2c.use_stdio)
use_browser = 0;
else
......
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