On Tue, Jul 28, 2015 at 11:21:32AM -0300, Arnaldo Carvalho de Melo wrote: > Em Tue, Jul 28, 2015 at 04:10:06PM +0200, Jiri Olsa escreveu: > > On Mon, Jul 27, 2015 at 04:24:51PM -0700, Andi Kleen wrote: > > > From: Andi Kleen <[email protected]> > > > > > > The transaction length metrics in perf stat -T broke recently. > > > It would not match the metric correctly and always print K/sec. > > > This was caused by a incorrect update of the cycles_in_tx statistics. > > > Update the correct variable. > > > > > > Also the check for zero division was reversed, which resulted > > > in K/sec being printed for no transactions. Fix this also up. > > > > > > Cc: [email protected] > > > Signed-off-by: Andi Kleen <[email protected]> > > > --- > > > tools/perf/util/stat-shadow.c | 8 +++----- > > > 1 file changed, 3 insertions(+), 5 deletions(-) > > > > > > diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c > > > index 53e8bb7..2a5d8d7 100644 > > > --- a/tools/perf/util/stat-shadow.c > > > +++ b/tools/perf/util/stat-shadow.c > > > @@ -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]); > > > > oops, looks like copy&paste issue.. thanks > > > > > > we now print comment line if the avg is 0, but I think it's ok > > > > Acked-by: Jiri Olsa <[email protected]> > > This affects just perf/core, right?
I guess, dont think it's an urgent one.. Andi, please speak up ;-) jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

