common/obj_bencher.cc: bump the precision of bandwidth field

When calculated final average bandwidth exceeds 999MB, it starts
to get printed in scientific notation. Bump up the bandwidth
field precision so it'll remain in floating-point format for
a bit longer.

Signed-off-by: Piotr Dałek <piotr.dalek@ts.fujitsu.com>

diff --git a/src/common/obj_bencher.cc b/src/common/obj_bencher.cc
index 28f4ffc48ebf6200411c3610995a225d8da9a82b..9a2215e46162d2787f23d4993c8f0f83acba3228 100644 (file)
--- a/src/common/obj_bencher.cc
+++ b/src/common/obj_bencher.cc
@@ -568,7 +568,7 @@ int ObjBencher::write_bench(int secondsToRun,
        << "Total writes made:      " << data.finished << std::endl
        << "Write size:             " << data.op_size << std::endl
        << "Object size:            " << data.object_size << std::endl      
-       << "Bandwidth (MB/sec):     " << setprecision(3) << bandwidth << std::endl
+       << "Bandwidth (MB/sec):     " << setprecision(6) << bandwidth << std::endl
        << "Stddev Bandwidth:       " << vec_stddev(data.history.bandwidth) << std::endl
        << "Max bandwidth (MB/sec): " << data.idata.max_bandwidth << std::endl
        << "Min bandwidth (MB/sec): " << data.idata.min_bandwidth << std::endl
@@ -817,7 +817,7 @@ int ObjBencher::seq_read_bench(int seconds_to_run, int num_objects, int concurre
        << "Total reads made:     " << data.finished << std::endl
        << "Read size:            " << data.op_size << std::endl
        << "Object size:          " << data.object_size << std::endl
-       << "Bandwidth (MB/sec):   " << setprecision(3) << bandwidth << std::endl
+       << "Bandwidth (MB/sec):   " << setprecision(6) << bandwidth << std::endl
        << "Average IOPS          " << (int)(data.finished/runtime) << std::endl
        << "Stddev IOPS:          " << vec_stddev(data.history.iops) << std::endl
        << "Max IOPS:             " << data.idata.max_iops << std::endl
@@ -1050,7 +1050,7 @@ int ObjBencher::rand_read_bench(int seconds_to_run, int num_objects, int concurr
        << "Total reads made:     " << data.finished << std::endl
        << "Read size:            " << data.op_size << std::endl
        << "Object size:          " << data.object_size << std::endl
-       << "Bandwidth (MB/sec):   " << setprecision(3) << bandwidth << std::endl
+       << "Bandwidth (MB/sec):   " << setprecision(6) << bandwidth << std::endl
        << "Average IOPS:         " << (int)(data.finished/runtime) << std::endl
        << "Stddev IOPS:          " << vec_stddev(data.history.iops) << std::endl
        << "Max IOPS:             " << data.idata.max_iops << std::endl