70 lines
3.0 KiB
Diff
70 lines
3.0 KiB
Diff
From 12d988a668651e1cae570f1be83ae4f3bdb7120c Mon Sep 17 00:00:00 2001
|
|
From: Nirbheek Chauhan <nirbheek@centricular.com>
|
|
Date: Wed, 25 Apr 2018 00:02:44 +0530
|
|
Subject: [PATCH 03/16] New argument: --profile-self for profiling performance
|
|
|
|
Outputs two profile logs: one for the interpreter run and another for
|
|
the backend-specific build file generation. Both are stored in
|
|
meson-private in the build directory.
|
|
---
|
|
mesonbuild/mesonmain.py | 19 ++++++++++++++++---
|
|
1 file changed, 16 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py
|
|
index 613e953d..f4fec95a 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()
|
|
--
|
|
2.17.0
|
|
|