[Telemetry] Enable benchmark runner to list most closely matched input benchmark names.

[Telemetry] Enable benchmark runner to list most closely matched input benchmark names..

After this patch, "./tools/perf/run_benchmark smoothness_key_silk_cases" will
list out "smoothness.key_silk_cases" as the top matched benchmark.

BUG=482090
Committed: https://crrev.com/74829d51c072a86fc5d1962e061c2cb7343a7d04
Cr-Commit-Position: refs/heads/master@{#329503}

[nednguyen, 2015-05-12 17:34:41]

nednguyen@google.com changed reviewers:
+ aiolos@chromium.org, sullivan@chromium.org

[sullivan, 2015-05-12 18:08:33]

lgtm

https://codereview.chromium.org/1138933003/diff/1/tools/telemetry/telemetry/b...
File tools/telemetry/telemetry/benchmark_runner.py (right):

https://codereview.chromium.org/1138933003/diff/1/tools/telemetry/telemetry/b...
tools/telemetry/telemetry/benchmark_runner.py:77: in |all_benchmarks.
nit: missing |
in |all_benchmarks|.

https://codereview.chromium.org/1138933003/diff/1/tools/telemetry/telemetry/b...
tools/telemetry/telemetry/benchmark_runner.py:241: print >> sys.stderr, 'Do you
mean any of those benchmarks below?'
Maybe we should slightly refactor to only print this if there are matched
benchmarks?

[nednguyen, 2015-05-12 20:18:12]

The CQ bit was checked by nednguyen@google.com

[nednguyen, 2015-05-12 20:18:13]

The patchset sent to the CQ was uploaded after l-g-t-m from
sullivan@chromium.org
Link to the patchset: https://codereview.chromium.org/1138933003/#ps20001
(title: "Only print matched benchmarks if there is any")

[nednguyen, 2015-05-12 20:18:18]

https://codereview.chromium.org/1138933003/diff/1/tools/telemetry/telemetry/b...
File tools/telemetry/telemetry/benchmark_runner.py (right):

https://codereview.chromium.org/1138933003/diff/1/tools/telemetry/telemetry/b...
tools/telemetry/telemetry/benchmark_runner.py:77: in |all_benchmarks.
On 2015/05/12 18:08:33, sullivan wrote:
> nit: missing |
> in |all_benchmarks|.

Done.

https://codereview.chromium.org/1138933003/diff/1/tools/telemetry/telemetry/b...
tools/telemetry/telemetry/benchmark_runner.py:241: print >> sys.stderr, 'Do you
mean any of those benchmarks below?'
On 2015/05/12 18:08:33, sullivan wrote:
> Maybe we should slightly refactor to only print this if there are matched
> benchmarks?

Done.

[commit-bot: I haz the power, 2015-05-12 20:19:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1138933003/20001

[commit-bot: I haz the power, 2015-05-12 21:53:47]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-05-12 21:54:43]

Patchset 2 (id:??) landed as
https://crrev.com/74829d51c072a86fc5d1962e061c2cb7343a7d04
Cr-Commit-Position: refs/heads/master@{#329503}