on some platforms the default encoding is not utf-8, which causes an UnicodeDecodeError when reading the flamegraph template
Signed-off-by: Andreas Gerstmayr <[email protected]> --- Tested with Python 2.7 and 3. tools/perf/scripts/python/flamegraph.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/perf/scripts/python/flamegraph.py b/tools/perf/scripts/python/flamegraph.py index 61f3be9add6b..8979db910a8f 100755 --- a/tools/perf/scripts/python/flamegraph.py +++ b/tools/perf/scripts/python/flamegraph.py @@ -17,6 +17,7 @@ from __future__ import print_function import sys import os +import io import argparse import json @@ -81,7 +82,7 @@ class FlameGraphCLI: if self.args.format == "html": try: - with open(self.args.template) as f: + with io.open(self.args.template, encoding="utf-8") as f: output_str = f.read().replace("/** @flamegraph_json **/", json_str) except IOError as e: @@ -97,7 +98,7 @@ class FlameGraphCLI: else: print("dumping data to {}".format(output_fn)) try: - with open(output_fn, "w") as out: + with io.open(output_fn, "w", encoding="utf-8") as out: out.write(output_str) except IOError as e: print("Error writing output file: {}".format(e), file=sys.stderr) -- 2.25.4
