#!/usr/bin/env python
 
 
 
from __future__ import print_function
 
 
 
desc = '''Generate statistics about optimization records from the YAML files
 
generated with -fsave-optimization-record and -fdiagnostics-show-hotness.
 
 
 
The tools requires PyYAML and Pygments Python packages.'''
 
 
 
import optrecord
 
import argparse
 
import operator
 
from collections import defaultdict
 
from multiprocessing import cpu_count, Pool
 
 
 
try:
 
    from guppy import hpy
 
    hp = hpy()
 
except ImportError:
 
    print("Memory consumption not shown because guppy is not installed")
 
    hp = None
 
 
 
if __name__ == '__main__':
 
    parser = argparse.ArgumentParser(description=desc)
 
    parser.add_argument(
 
        'yaml_dirs_or_files',
 
        nargs='+',
 
        help='List of optimization record files or directories searched '
 
             'for optimization record files.')
 
    parser.add_argument(
 
        '--jobs',
 
        '-j',
 
        default=None,
 
        type=int,
 
        help='Max job count (defaults to %(default)s, the current CPU count)')
 
    parser.add_argument(
 
        '--no-progress-indicator',
 
        '-n',
 
        action='store_true',
 
        default=False,
 
        help='Do not display any indicator of how many YAML files were read.')
 
    args = parser.parse_args()
 
 
 
    print_progress = not args.no_progress_indicator
 
 
 
    files = optrecord.find_opt_files(*args.yaml_dirs_or_files)
 
    if not files:
 
        parser.error("No *.opt.yaml files found")
 
        sys.exit(1)
 
 
 
    all_remarks, file_remarks, _ = optrecord.gather_results(
 
        files, args.jobs, print_progress)
 
    if print_progress:
 
        print('\n')
 
 
 
    bypass = defaultdict(int)
 
    byname = defaultdict(int)
 
    for r in optrecord.itervalues(all_remarks):
 
        bypass[r.Pass] += 1
 
        byname[r.Pass + "/" + r.Name] += 1
 
 
 
    total = len(all_remarks)
 
    print("{:24s} {:10d}".format("Total number of remarks", total))
 
    if hp:
 
        h = hp.heap()
 
        print("{:24s} {:10d}".format("Memory per remark",
 
                                     h.size / len(all_remarks)))
 
    print('\n')
 
 
 
    print("Top 10 remarks by pass:")
 
    for (passname, count) in sorted(bypass.items(), key=operator.itemgetter(1),
 
                                    reverse=True)[:10]:
 
        print("  {:30s} {:2.0f}%". format(passname, count * 100. / total))
 
 
 
    print("\nTop 10 remarks:")
 
    for (name, count) in sorted(byname.items(), key=operator.itemgetter(1),
 
                                reverse=True)[:10]:
 
        print("  {:30s} {:2.0f}%". format(name, count * 100. / total))