Commit 5424c701 authored by Yang Jihong's avatar Yang Jihong Committed by Zheng Zengkai
Browse files

perf c2c: Update documentation for display option 'all' 

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/



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

Since the new display option 'all' is introduced, this patch is to
update the documentation to reflect it.

Signed-off-by: default avatarLeo Yan <leo.yan@linaro.org>
Signed-off-by: default avatarYang Jihong <yangjihong1@huawei.com>
Reviewed-by: default avatarWei Li <liwei391@huawei.com>
Reviewed-by: default avatarHanjun Guo <guohanjun@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent c273fc36

tools/perf/Documentation/perf-c2c.txt

+16 −5
Original line number Diff line number Diff line
@@ -109,7 +109,8 @@ REPORT OPTIONS 


-d::

--display::

	Switch to HITM type (rmt, lcl) to display and sort on. Total HITMs as default.

	Switch to HITM type (rmt, lcl) or all load cache hit (all) to display

	and sort on. Total HITMs as default.



--stitch-lbr::

	Show callgraph with stitched LBRs, which may have more complete
@@ -174,12 +175,18 @@ For each cacheline in the 1) list we display following data: 
  Cacheline

  - cacheline address (hex number)



  Rmt/Lcl Hitm

  Rmt/Lcl Hitm (For display with HITM types)

  - cacheline percentage of all Remote/Local HITM accesses



  LLC Load Hitm - Total, LclHitm, RmtHitm

  LLC Load Hitm - Total, LclHitm, RmtHitm (For display with HITM types)

  - count of Total/Local/Remote load HITMs



  LD Hit Pct (For display 'all')

  - cacheline percentage of all load hit accesses



  LD Hit Total (For display 'all')

  - sum of all load hit accesses



  Total records

  - sum of all cachelines accesses
@@ -207,9 +214,12 @@ For each cacheline in the 1) list we display following data: 


For each offset in the 2) list we display following data:



  HITM - Rmt, Lcl

  HITM - Rmt, Lcl (For display with HITM types)

  - % of Remote/Local HITM accesses for given offset within cacheline



  Load Refs - Hit, Miss (For display 'all')

  - % of load accesses that hit/missed cache for given offset within cacheline



  Store Refs - L1 Hit, L1 Miss

  - % of store accesses that hit/missed L1 for given offset within cacheline
@@ -249,7 +259,8 @@ The 'Node' field displays nodes that accesses given cacheline 
offset. Its output comes in 3 flavors:

  - node IDs separated by ','

  - node IDs with stats for each ID, in following format:

      Node{cpus %hitms %stores}

      Node{cpus %hitms %stores} (For display with HITM types)

      Node{cpus %loads %stores} (For display with "all")

  - node IDs with list of affected CPUs in following format:

      Node{cpu list}