simplebench: move results_to_text() into separate file

Let's keep view part in separate: this way it's better to improve it in
the following commits.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20201021145859.11201-18-vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/scripts/simplebench/results_to_text.py b/scripts/simplebench/results_to_text.py
new file mode 100644
index 0000000000..58d909ffd9
--- /dev/null
+++ b/scripts/simplebench/results_to_text.py
@@ -0,0 +1,48 @@
+# Simple benchmarking framework
+#
+# Copyright (c) 2019 Virtuozzo International GmbH.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+
+def result_to_text(result):
+    """Return text representation of bench_one() returned dict."""
+    if 'average' in result:
+        s = '{:.2f} +- {:.2f}'.format(result['average'], result['stdev'])
+        if 'n-failed' in result:
+            s += '\n({} failed)'.format(result['n-failed'])
+        return s
+    else:
+        return 'FAILED'
+
+
+def results_to_text(results):
+    """Return text representation of bench() returned dict."""
+    from tabulate import tabulate
+
+    dim = None
+    tab = [[""] + [c['id'] for c in results['envs']]]
+    for case in results['cases']:
+        row = [case['id']]
+        for env in results['envs']:
+            res = results['tab'][case['id']][env['id']]
+            if dim is None:
+                dim = res['dimension']
+            else:
+                assert dim == res['dimension']
+            row.append(result_to_text(res))
+        tab.append(row)
+
+    return f'All results are in {dim}\n\n' + tabulate(tab)