AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

perf c2c report: Add stdio output support

Browse Source 
Adding the --stdio option output support. The output
tables are dumped directly to the stdio.

$ perf c2c report
  =================================================
             Shared Data Cache Line Table
  =================================================
  #
  #                       Total           ----- LLC Load Hitm -----  ---- Store Reference ----  --- Load Dram ----      LLC    Total  ----- Core Load Hit -----  -- LLC Load Hit --
  #          Cacheline  records    %hitm    Total      Lcl      Rmt    Total    L1Hit   L1Miss       Lcl       Rmt  Ld Miss    Loads       FB       L1       L2       Llc       Rmt
  # ..................  .......  .......  .......  .......  .......  .......  .......  .......  ........  ........  .......  .......  .......  .......  .......  ........  ........
  #
    0xffff88000235f840       17    0.00%        0        0        0       17       17        0         0         0        0        0        0        0        0         0         0
  ...

  =================================================
        Shared Cache Line Distribution Pareto
  =================================================
  #
  # ----- HITM -----  -- Store Refs --        Data address                                  ---------- cycles ----------       cpu                                   Shared
  #     Rmt      Lcl   L1 Hit  L1 Miss              Offset      Pid                    Tid  rmt hitm  lcl hitm      load       cnt                Symbol             Object  Node
  # .......  .......  .......  .......  ..................  .......  .....................  ........  ........  ........  ........  ....................  .................  ....
  #
    ------------------------------------------------------
          0        0       17        0  0xffff88000235f840
    ------------------------------------------------------
      0.00%    0.00%    5.88%    0.00%                 0x0    11474    11474:kworker/u16:5         0         0         0         1  [k] rmap_walk_file             [kernel.kallsyms]   0
      0.00%    0.00%    5.88%    0.00%                0x10    11474    11474:kworker/u16:5         0         0         0         1  [k] lock_page_memcg            [kernel.kallsyms]   0
      0.00%    0.00%   11.76%    0.00%                0x20    11474    11474:kworker/u16:5         0         0         0         1  [k] page_mapping               [kernel.kallsyms]   0
      0.00%    0.00%   64.71%    0.00%                0x28    11474    11474:kworker/u16:5         0         0         0         1  [k] __test_set_page_writeback  [kernel.kallsyms]   0
      0.00%    0.00%   11.76%    0.00%                0x30    11474    11474:kworker/u16:5         0         0         0         1  [k] page_mapped                [kernel.kallsyms]   0
  ...

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-eorco9r0oeesjve77pkkg43s@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-05-03 14:32:56 +02:00 committed by Arnaldo Carvalho de Melo
parent 22dd59d145
commit 2d388bd0c9
1 changed files with 83 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
tools/perf/builtin-c2c.c
View File

@ -13,6 +13,7 @@
#include "tool.h"
#include "data.h"
#include "sort.h"
#include <asm/bug.h>
struct c2c_hists {
struct hists hists;
@ -1722,6 +1723,85 @@ static int setup_nodes(struct perf_session *session)
return 0;
}
static void print_cacheline(struct c2c_hists *c2c_hists,
struct hist_entry *he_cl,
struct perf_hpp_list *hpp_list,
FILE *out)
{
char bf[1000];
struct perf_hpp hpp = {
.buf = bf,
.size = 1000,
};
static bool once;
if (!once) {
hists__fprintf_headers(&c2c_hists->hists, out);
once = true;
} else {
fprintf(out, "\n");
}
fprintf(out, " ------------------------------------------------------\n");
__hist_entry__snprintf(he_cl, &hpp, hpp_list);
fprintf(out, "%s\n", bf);
fprintf(out, " ------------------------------------------------------\n");
hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
}
static void print_pareto(FILE *out)
{
struct perf_hpp_list hpp_list;
struct rb_node *nd;
int ret;
perf_hpp_list__init(&hpp_list);
ret = hpp_list__parse(&hpp_list,
"cl_rmt_hitm,"
"cl_lcl_hitm,"
"cl_stores_l1hit,"
"cl_stores_l1miss,"
"dcacheline",
NULL);
if (WARN_ONCE(ret, "failed to setup sort entries\n"))
return;
nd = rb_first(&c2c.hists.hists.entries);
for (; nd; nd = rb_next(nd)) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
struct c2c_hist_entry *c2c_he;
if (he->filtered)
continue;
c2c_he = container_of(he, struct c2c_hist_entry, he);
print_cacheline(c2c_he->hists, he, &hpp_list, out);
}
}
static void perf_c2c__hists_fprintf(FILE *out)
{
setup_pager();
fprintf(out, "\n");
fprintf(out, "=================================================\n");
fprintf(out, " Shared Data Cache Line Table \n");
fprintf(out, "=================================================\n");
fprintf(out, "#\n");
hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
fprintf(out, "\n");
fprintf(out, "=================================================\n");
fprintf(out, " Shared Cache Line Distribution Pareto \n");
fprintf(out, "=================================================\n");
fprintf(out, "#\n");
print_pareto(out);
}
static int perf_c2c__report(int argc, const char **argv)
{
@ -1806,6 +1886,9 @@ static int perf_c2c__report(int argc, const char **argv)
ui_progress__finish();
use_browser = 0;
perf_c2c__hists_fprintf(stdout);
out_session:
perf_session__delete(session);
out: