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yaml
---
r: 245469
b: refs/heads/master
c: dcd9936
h: refs/heads/master
i:
  245467: cef2576
v: v3
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Ingo Molnar committed Apr 26, 2011
1 parent 126f869 commit 44991e9
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Showing 2 changed files with 20 additions and 15 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 749141d926faf23ef811686a8050e7cf13dc223f
refs/heads/master: dcd9936a5a6d89512b5323c1145647f2dbe0236f
33 changes: 19 additions & 14 deletions trunk/tools/perf/builtin-stat.c
Original file line number Diff line number Diff line change
Expand Up @@ -193,6 +193,23 @@ static inline int nsec_counter(struct perf_evsel *evsel)
return 0;
}

/*
* Update various tracking values we maintain to print
* more semantic information such as miss/hit ratios,
* instruction rates, etc:
*/
static void update_shadow_stats(struct perf_evsel *counter, u64 *count)
{
if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
update_stats(&runtime_nsecs_stats[0], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
update_stats(&runtime_cycles_stats[0], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
update_stats(&runtime_branches_stats[0], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
update_stats(&runtime_cacherefs_stats[0], count[0]);
}

/*
* Read out the results of a single counter:
* aggregate counts across CPUs in system-wide mode
Expand All @@ -218,14 +235,7 @@ static int read_counter_aggr(struct perf_evsel *counter)
/*
* Save the full runtime - to allow normalization during printout:
*/
if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
update_stats(&runtime_nsecs_stats[0], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
update_stats(&runtime_cycles_stats[0], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
update_stats(&runtime_branches_stats[0], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
update_stats(&runtime_cacherefs_stats[0], count[0]);
update_shadow_stats(counter, count);

return 0;
}
Expand All @@ -245,12 +255,7 @@ static int read_counter(struct perf_evsel *counter)

count = counter->counts->cpu[cpu].values;

if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
update_stats(&runtime_nsecs_stats[cpu], count[0]);
if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
update_stats(&runtime_cycles_stats[cpu], count[0]);
if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
update_stats(&runtime_branches_stats[cpu], count[0]);
update_shadow_stats(counter, count);
}

return 0;
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