From: Yang Jihong yangjihong1@huawei.com
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/
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Since the new display option 'all' is introduced, this patch is to update the documentation to reflect it.
Signed-off-by: Leo Yan leo.yan@linaro.org 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 --- tools/perf/Documentation/perf-c2c.txt | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt index c81d72e3eecf..da49c3d26316 100644 --- a/tools/perf/Documentation/perf-c2c.txt +++ b/tools/perf/Documentation/perf-c2c.txt @@ -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}