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perf/urgent fixes:

Browse source 
User visible:
 
 - Fix 'perf stat' transaction lenght metrics (Andi Kleen)
 
 Developer visible:
 
 - Fix test build error when bindir contains double slash (Pawel Moll)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

  - Fix 'perf stat' transaction length metrics. (Andi Kleen)

  - Fix test build error when bindir contains double slash. (Pawel Moll)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2015-07-31 09:56:48 +02:00
commit 5542b2aa9e
2 changed files with 4 additions and 6 deletions
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2
tools/perf/config/Makefile
View file

@ -638,7 +638,7 @@ ifndef DESTDIR
prefix ?= $(HOME)
endif
bindir_relative = bin
bindir = $(prefix)/$(bindir_relative)
bindir = $(abspath $(prefix)/$(bindir_relative))
mandir = share/man
infodir = share/info
perfexecdir = libexec/perf-core

8
tools/perf/util/stat-shadow.c
View file

@ -85,7 +85,7 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count,
else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
update_stats(&runtime_cycles_stats[ctx][cpu], count[0]);
else if (perf_stat_evsel__is(counter, CYCLES_IN_TX))
update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
update_stats(&runtime_cycles_in_tx_stats[ctx][cpu], count[0]);
else if (perf_stat_evsel__is(counter, TRANSACTION_START))
update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
else if (perf_stat_evsel__is(counter, ELISION_START))
@ -398,20 +398,18 @@ void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel,
" # %5.2f%% aborted cycles ",
100.0 * ((total2-avg) / total));
} else if (perf_stat_evsel__is(evsel, TRANSACTION_START) &&
avg > 0 &&
runtime_cycles_in_tx_stats[ctx][cpu].n != 0) {
total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
if (total)
if (avg)
ratio = total / avg;
fprintf(out, " # %8.0f cycles / transaction ", ratio);
} else if (perf_stat_evsel__is(evsel, ELISION_START) &&
avg > 0 &&
runtime_cycles_in_tx_stats[ctx][cpu].n != 0) {
total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
if (total)
if (avg)
ratio = total / avg;
fprintf(out, " # %8.0f cycles / elision ", ratio);