diff options
| -rw-r--r-- | mesonbuild/mesonmain.py | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py index 613e953..f4fec95 100644 --- a/mesonbuild/mesonmain.py +++ b/mesonbuild/mesonmain.py @@ -15,10 +15,12 @@ import sys, stat, traceback, argparse import datetime import os.path +import platform +import cProfile as profile + from . import environment, interpreter, mesonlib from . import build from . import mconf, mintro, mtest, rewriter, minit -import platform from . import mlog, coredata from .mesonlib import MesonException from .wrap import WrapMode, wraptool @@ -38,6 +40,8 @@ def create_parser(): p.add_argument('--wrap-mode', default=WrapMode.default, type=wrapmodetype, choices=WrapMode, help='Special wrap mode to use') + p.add_argument('--profile-self', action='store_true', dest='profile', + help=argparse.SUPPRESS) p.add_argument('directories', nargs='*') return p @@ -176,7 +180,11 @@ class MesonApp: mlog.log('Target machine cpu:', mlog.bold(intr.builtin['target_machine'].cpu_method([], {}))) mlog.log('Build machine cpu family:', mlog.bold(intr.builtin['build_machine'].cpu_family_method([], {}))) mlog.log('Build machine cpu:', mlog.bold(intr.builtin['build_machine'].cpu_method([], {}))) - intr.run() + if self.options.profile: + fname = os.path.join(self.build_dir, 'meson-private', 'profile-interpreter.log') + profile.runctx('intr.run()', globals(), locals(), filename=fname) + else: + intr.run() try: dumpfile = os.path.join(env.get_scratch_dir(), 'build.dat') # We would like to write coredata as late as possible since we use the existence of @@ -186,7 +194,12 @@ class MesonApp: # sync with the time that gets applied to any files. Thus, we dump this file as late as # possible, but before build files, and if any error occurs, delete it. cdf = env.dump_coredata() - g.generate(intr) + if self.options.profile: + fname = 'profile-{}-backend.log'.format(self.options.backend) + fname = os.path.join(self.build_dir, 'meson-private', fname) + profile.runctx('g.generate(intr)', globals(), locals(), filename=fname) + else: + g.generate(intr) build.save(b, dumpfile) # Post-conf scripts must be run after writing coredata or else introspection fails. g.run_postconf_scripts() |