diff options
Diffstat (limited to 'V8Binding/v8/tools/process-heap-prof.py')
| -rwxr-xr-x | V8Binding/v8/tools/process-heap-prof.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/V8Binding/v8/tools/process-heap-prof.py b/V8Binding/v8/tools/process-heap-prof.py index b8ab2d3..ff83952 100755 --- a/V8Binding/v8/tools/process-heap-prof.py +++ b/V8Binding/v8/tools/process-heap-prof.py @@ -35,10 +35,14 @@ # $ ./shell --log-gc script.js # $ tools/process-heap-prof.py v8.log | hp2ps -c > script-heap-graph.ps # ('-c' enables color, see hp2ps manual page for more options) +# or +# $ tools/process-heap-prof.py --js-cons-profile v8.log | hp2ps -c > script-heap-graph.ps +# to get JS constructor profile + import csv, sys, time -def process_logfile(filename): +def process_logfile(filename, itemname): first_call_time = None sample_time = 0.0 sampling = False @@ -63,11 +67,14 @@ def process_logfile(filename): elif row[0] == 'heap-sample-end' and row[1] == 'Heap': print('END_SAMPLE %.2f' % sample_time) sampling = False - elif row[0] == 'heap-sample-item' and sampling: + elif row[0] == itemname and sampling: print('%s %d' % (row[1], int(row[3]))) finally: logfile.close() except: sys.exit('can\'t open %s' % filename) -process_logfile(sys.argv[1]) +if sys.argv[1] == '--js-cons-profile': + process_logfile(sys.argv[2], 'heap-js-cons-item') +else: + process_logfile(sys.argv[1], 'heap-sample-item') |