perf c2c: Sort on all cache hit for load operations

maillist inclusion
category: Feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I53L83
CVE: NA

Reference: https://lore.kernel.org/all/20210104020930.GA4897@leoy-ThinkPad-X240s/



-------------------

Except the existed three display options 'tot', 'rmt', 'lcl', this patch
adds option 'all' so can sort on the all cache hit for load operation.
This new introduced option can be a choice for profiling cache false
sharing if the memory event doesn't contain HITM tags.

For displaying with option 'all', the "Shared Data Cache Line Table" and
"Shared Cache Line Distribution Pareto" both have difference comparing
to other three display options.

For the "Shared Data Cache Line Table", instead of sorting HITM metrics,
it sorts with the metrics "tot_ld_hit" and "percent_tot_ld_hit".  If
without HITM metrics, users can analyze the load hit statistics for all
cache levels, so the dimensions of total load hit is used to replace
HITM dimensions.

For Pareto, every single cache line shows the metrics "cl_tot_ld_hit"
and "cl_tot_ld_miss" instead of "cl_rmt_hitm" and "percent_lcl_hitm",
and the single cache line view is sorted by metrics "tot_ld_hit".

As result, we can get the 'all' display as follows:

  # perf c2c report -d all --coalesce tid,pid,iaddr,dso --stdio

  [...]

  =================================================
             Shared Data Cache Line Table
  =================================================
  #
  #        ----------- Cacheline ----------  Load Hit  Load Hit    Total    Total    Total  ---- Stores ----  ----- Core Load Hit -----  - LLC Load Hit --  - RMT Load Hit --  --- Load Dram ----
  # Index             Address  Node  PA cnt       Pct     Total  records    Loads   Stores    L1Hit   L1Miss       FB       L1       L2    LclHit  LclHitm    RmtHit  RmtHitm       Lcl       Rmt
  # .....  ..................  ....  ......  ........  ........  .......  .......  .......  .......  .......  .......  .......  .......  ........  .......  ........  .......  ........  ........
  #
        0      0x556f25dff100     0    1895    75.73%      4591     7840     4591     3249     2633      616      849     2734       67        58      883         0        0         0         0
        1      0x556f25dff080     0       1    13.10%       794      794      794        0        0        0      164      486       28        20       96         0        0         0         0
        2      0x556f25dff0c0     0       1    10.01%       607      607      607        0        0        0      107        5        5       488        2         0        0         0         0

  =================================================
        Shared Cache Line Distribution Pareto
  =================================================
  #
  #        --  Load Refs --  -- Store Refs --  --------- Data address ---------                                                   ---------- cycles ----------    Total       cpu                                  Shared
  #   Num      Hit     Miss   L1 Hit  L1 Miss              Offset  Node  PA cnt      Pid                 Tid        Code address  rmt hitm  lcl hitm      load  records       cnt               Symbol             Object                  Source:Line  Node
  # .....  .......  .......  .......  .......  ..................  ....  ......  .......  ..................  ..................  ........  ........  ........  .......  ........  ...................  .................  ...........................  ....
  #
    -------------------------------------------------------------
        0     4591        0     2633      616      0x556f25dff100
    -------------------------------------------------------------
            20.52%    0.00%    0.00%    0.00%                 0x0     0       1    28079    28082:lock_th         0x556f25bfdc1d         0      2200      1276      942         1  [.] read_write_func  false_sharing.exe  false_sharing_example.c:146   0
            19.82%    0.00%   38.06%    0.00%                 0x0     0       1    28079    28082:lock_th         0x556f25bfdc16         0      2190      1130     1912         1  [.] read_write_func  false_sharing.exe  false_sharing_example.c:145   0
            18.25%    0.00%   56.63%    0.00%                 0x0     0       1    28079    28081:lock_th         0x556f25bfdc16         0      2173      1074     2329         1  [.] read_write_func  false_sharing.exe  false_sharing_example.c:145   0
            18.23%    0.00%    0.00%    0.00%                 0x0     0       1    28079    28081:lock_th         0x556f25bfdc1d         0      2013      1220      837         1  [.] read_write_func  false_sharing.exe  false_sharing_example.c:146   0
             0.00%    0.00%    3.11%   59.90%                 0x0     0       1    28079    28081:lock_th         0x556f25bfdc28         0         0         0      451         1  [.] read_write_func  false_sharing.exe  false_sharing_example.c:146   0
             0.00%    0.00%    2.20%   40.10%                 0x0     0       1    28079    28082:lock_th         0x556f25bfdc28         0         0         0      305         1  [.] read_write_func  false_sharing.exe  false_sharing_example.c:146   0
            12.00%    0.00%    0.00%    0.00%                0x20     0       1    28079    28083:reader_thd      0x556f25bfdc73         0       159       107      551         1  [.] read_write_func  false_sharing.exe  false_sharing_example.c:155   0
            11.17%    0.00%    0.00%    0.00%                0x20     0       1    28079    28084:reader_thd      0x556f25bfdc73         0       148       108      513         1  [.] read_write_func  false_sharing.exe  false_sharing_example.c:155   0

  [...]

Signed-off-by: Leo Yan <leo.yan@linaro.org>

conflict:
        tools/perf/builtin-c2c.c
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>