On Wed, Aug 14, 2013 at 11:34:27AM -0700, Andi Kleen wrote: > From: Andi Kleen <a...@linux.intel.com> > > Add support to perf stat to print the basic transactional execution > statistics: > Total cycles, Cycles in Transaction, Cycles in aborted transsactions > using the in_tx and in_tx_checkpoint qualifiers. > Transaction Starts and Elision Starts, to compute the average transaction > length. > > This is a reasonable overview over the success of the transactions. > > Enable with a new --transaction / -T option. > > This requires measuring these events in a group, since they depend on each > other. > > This is implemented by using TM sysfs events exported by the kernel > > v2: Only print the extended statistics when the option is enabled. > This avoids negative output when the user specifies the -T events > in separate groups. > v3: Port to latest tree > Signed-off-by: Andi Kleen <a...@linux.intel.com> > --- > tools/perf/Documentation/perf-stat.txt | 5 ++ > tools/perf/builtin-stat.c | 132 > ++++++++++++++++++++++++++++++++- > tools/perf/util/evsel.h | 6 ++ > tools/perf/util/pmu.c | 16 ++++ > tools/perf/util/pmu.h | 1 + > 5 files changed, 157 insertions(+), 3 deletions(-)
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