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perf thread-stack: Accumulate IPC information

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Cycle and instruction counts are added to the stack. The IPC of a
function and all functions it calls, is also recorded.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190520113728.14389-14-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter
2019-05-20 14:37:19 +03:00
committed by Arnaldo Carvalho de Melo
parent 5db47f43cc
commit 003ccdc716
2 changed files with 18 additions and 0 deletions
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4
tools/perf/util/thread-stack.h
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@@ -52,6 +52,8 @@ enum {
* @call_time: timestamp of call (if known)
* @return_time: timestamp of return (if known)
* @branch_count: number of branches seen between call and return
* @insn_count: approx. number of instructions between call and return
* @cyc_count: approx. number of cycles between call and return
* @call_ref: external reference to 'call' sample (e.g. db_id)
* @return_ref: external reference to 'return' sample (e.g. db_id)
* @db_id: id used for db-export
@@ -65,6 +67,8 @@ struct call_return {
u64 call_time;
u64 return_time;
u64 branch_count;
u64 insn_count;
u64 cyc_count;
u64 call_ref;
u64 return_ref;
u64 db_id;