OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

perf c2c report: Add span header over cacheline data 

Forcing the NUMA node output to be grouped with the "Cacheline" column
in both "Shared Data Cache Line Table" and "Shared Cache Line
Distribution Pareto" tables.

Before:
  #                                    Total      Tot  ----- LLC Load Hitm -----
  # Index           Cacheline  Node  records     Hitm    Total      Lcl      Rmt
  # .....  ..................  ....  .......  .......  .......  .......  .......
  #
        0      0x7f0830100000     0       84   10.53%        8        8        0
        1  0xffff922a93154200     0        3    2.63%        2        2        0
        2  0xffff922a93154500     0        4    2.63%        2        2        0

After:
  #        ------- Cacheline ------    Total      Tot  ----- LLC Load Hitm -----
  # Index             Address  Node  records     Hitm    Total      Lcl      Rmt
  # .....  ..................  ....  .......  .......  .......  .......  .......
  #
        0      0x7f0830100000     0       84   10.53%        8        8        0
        1  0xffff922a93154200     0        3    2.63%        2        2        0
        2  0xffff922a93154500     0        4    2.63%        2        2        0

Before:
  #        ----- HITM -----  -- Store Refs --        Data address
  #   Num      Rmt      Lcl   L1 Hit  L1 Miss              Offset  Node      Pid
  # .....  .......  .......  .......  .......  ..................  ....  .......
  #
    -------------------------------------------------------------
        0        0        8       32        2      0x7f0830100000
    -------------------------------------------------------------
             0.00%   75.00%   21.88%    0.00%                0x18     0     1791
             0.00%   12.50%   37.50%    0.00%                0x18     0     1791
             0.00%    0.00%   34.38%    0.00%                0x18     0     1791

After:
  #        ----- HITM -----  -- Store Refs --  ----- Data address -----
  #   Num      Rmt      Lcl   L1 Hit  L1 Miss              Offset  Node      Pid
  # .....  .......  .......  .......  .......  ..................  ....  .......
  #
    -------------------------------------------------------------
        0        0        8       32        2      0x7f0830100000
    -------------------------------------------------------------
             0.00%   75.00%   21.88%    0.00%                0x18     0     1791
             0.00%   12.50%   37.50%    0.00%                0x18     0     1791
             0.00%    0.00%   34.38%    0.00%                0x18     0     1791

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180309101442.9224-9-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2018-03-09 11:14:41 +01:00 committed by Arnaldo Carvalho de Melo
parent 7f834c2e84
commit d0802b1ee2
1 changed files with 58 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
tools/perf/builtin-c2c.c
View File

@ -1252,7 +1252,7 @@ cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
}
static struct c2c_dimension dim_dcacheline = {
.header = HEADER_LOW("Cacheline"),
.header = HEADER_SPAN("--- Cacheline ----", "Address", 1),
.name = "dcacheline",
.cmp = dcacheline_cmp,
.entry = dcacheline_entry,
@ -1267,10 +1267,10 @@ static struct c2c_dimension dim_dcacheline_node = {
.width = 4,
};
static struct c2c_header header_offset_tui = HEADER_LOW("Off");
static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 1);
static struct c2c_dimension dim_offset = {
.header = HEADER_BOTH("Data address", "Offset"),
.header = HEADER_SPAN("--- Data address -", "Offset", 1),
.name = "offset",
.cmp = offset_cmp,
.entry = offset_entry,
@ -2453,14 +2453,64 @@ static void perf_c2c_display(struct perf_session *session)
}
#endif /* HAVE_SLANG_SUPPORT */
static void ui_quirks(void)
static char *fill_line(const char *orig, int len)
{
int i, j, olen = strlen(orig);
char *buf;
buf = zalloc(len + 1);
if (!buf)
return NULL;
j = len / 2 - olen / 2;
for (i = 0; i < j - 1; i++)
buf[i] = '-';
buf[i++] = ' ';
strcpy(buf + i, orig);
i += olen;
buf[i++] = ' ';
for (; i < len; i++)
buf[i] = '-';
return buf;
}
static int ui_quirks(void)
{
const char *nodestr = "Data address";
char *buf;
if (!c2c.use_stdio) {
dim_offset.width = 5;
dim_offset.header = header_offset_tui;
nodestr = "CL";
}
dim_percent_hitm.header = percent_hitm_header[c2c.display];
/* Fix the zero line for dcacheline column. */
buf = fill_line("Cacheline", dim_dcacheline.width +
dim_dcacheline_node.width + 2);
if (!buf)
return -ENOMEM;
dim_dcacheline.header.line[0].text = buf;
/* Fix the zero line for offset column. */
buf = fill_line(nodestr, dim_offset.width +
dim_offset_node.width + 2);
if (!buf)
return -ENOMEM;
dim_offset.header.line[0].text = buf;
return 0;
}
#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
@ -2760,7 +2810,10 @@ static int perf_c2c__report(int argc, const char **argv)
ui_progress__finish();
ui_quirks();
if (ui_quirks()) {
pr_err("failed to setup UI\n");
goto out_mem2node;
}
perf_c2c_display(session);