diff options
| -rwxr-xr-x | tests/canonical-benchmarks.bash | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tests/canonical-benchmarks.bash b/tests/canonical-benchmarks.bash index 195effe..4c1a357 100755 --- a/tests/canonical-benchmarks.bash +++ b/tests/canonical-benchmarks.bash @@ -35,7 +35,13 @@ function etime { } echo -n "WRITE: " -dd if=/dev/zero of=zero bs=131072 count=2000 2>&1 | tail -n 1 +dd if=/dev/zero of=zero bs=131072 count=2000 conv=fsync 2>&1 | tail -n 1 + +# Drop cache of file "zero", otherwise we are benchmarking the +# page cache. Borrowed from +# https://www.gnu.org/software/coreutils/manual/html_node/dd-invocation.html#index-nocache +dd if=zero iflag=nocache count=0 status=none + sleep 0.1 echo -n "READ: " dd if=zero of=/dev/null bs=131072 count=2000 2>&1 | tail -n 1 |