Mercurial > hg
view contrib/debugcmdserver.py @ 42423:0ae593e791fb
profiling: show actual time spent in hotpath display
To get, for instance:
...
\ 6.6% 4.08s lock.py: __exit__ line 1566: ...
| 6.5% 4.01s exchange.py: close line 1191: ...
| 6.5% 4.01s transaction.py: _active line 1443: ...
| 6.5% 4.01s transaction.py: close line 47: ...
| 6.2% 3.84s scmutil.py: wrapped line 529: ...
| 6.2% 3.81s localrepo.py: wrapper line 2114: ...
| 6.2% 3.81s localrepo.py: updatecaches line 177: ...
...
instead of:
...
\ 6.6% lock.py: __exit__ line 1566: ...
| 6.5% exchange.py: close line 1191: ...
| 6.5% transaction.py: _active line 1443: ...
| 6.5% transaction.py: close line 47: ...
| 6.2% scmutil.py: wrapped line 529: ...
| 6.2% localrepo.py: wrapper line 2114: ...
| 6.2% localrepo.py: updatecaches line 177: ...
...
I find that if it's not displayed, I frequently end up estimating the
numbers by hand.
Differential Revision: https://phab.mercurial-scm.org/D6477
author | Valentin Gatien-Baron <vgatien-baron@janestreet.com> |
---|---|
date | Wed, 05 Jun 2019 12:51:21 -0400 |
parents | cd03fbd5ab57 |
children | 2372284d9457 |
line wrap: on
line source
#!/usr/bin/env python # # Dumps output generated by Mercurial's command server in a formatted style to a # given file or stderr if '-' is specified. Output is also written in its raw # format to stdout. # # $ ./hg serve --cmds pipe | ./contrib/debugcmdserver.py - # o, 52 -> 'capabilities: getencoding runcommand\nencoding: UTF-8' from __future__ import absolute_import, print_function import struct import sys if len(sys.argv) != 2: print('usage: debugcmdserver.py FILE') sys.exit(1) outputfmt = '>cI' outputfmtsize = struct.calcsize(outputfmt) if sys.argv[1] == '-': log = sys.stderr else: log = open(sys.argv[1], 'a') def read(size): data = sys.stdin.read(size) if not data: raise EOFError sys.stdout.write(data) sys.stdout.flush() return data try: while True: header = read(outputfmtsize) channel, length = struct.unpack(outputfmt, header) log.write('%s, %-4d' % (channel, length)) if channel in 'IL': log.write(' -> waiting for input\n') else: data = read(length) log.write(' -> %r\n' % data) log.flush() except EOFError: pass finally: if log != sys.stderr: log.close()