AuroraMiddleware/v8
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[gm] Detect goma usage from args.gn

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- Properly detect whether the args.gn config actually wants goma.
- Read out cpu count dynamically.

NOTRY=true

Bug: 
Change-Id: I7a687e873ef0b009ab6eaada384378d23e1dbb1e
Reviewed-on: https://chromium-review.googlesource.com/558085
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46362}
This commit is contained in:
Michael Lippautz 2017-06-30 16:08:27 +02:00 committed by Commit Bot
parent 26c00f4a4c
commit 61d1ad23ce
1 changed files with 13 additions and 4 deletions
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17
tools/dev/gm.py
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@ -20,13 +20,14 @@ All arguments are optional. Most combinations should work, e.g.:
from __future__ import print_function
import errno
import multiprocessing
import os
import pty
import subprocess
import sys
BUILD_OPTS_DEFAULT = ""
BUILD_OPTS_GOMA = "-j1000 -l50"
BUILD_OPTS_GOMA = "-j1000 -l%d" % (multiprocessing.cpu_count() + 2)
BUILD_TARGETS_TEST = ["d8", "cctest", "unittests"]
BUILD_TARGETS_ALL = ["all"]
@ -97,7 +98,6 @@ GOMADIR = DetectGoma()
IS_GOMA_MACHINE = GOMADIR is not None
USE_GOMA = "true" if IS_GOMA_MACHINE else "false"
BUILD_OPTS = BUILD_OPTS_GOMA if IS_GOMA_MACHINE else BUILD_OPTS_DEFAULT
RELEASE_ARGS_TEMPLATE = """\
is_component_build = false
@ -150,6 +150,9 @@ def _Call(cmd, silent=False):
if not silent: print("# %s" % cmd)
return subprocess.call(cmd, shell=True)
def _CallWithOutputNoTerminal(cmd):
return subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
def _CallWithOutput(cmd):
print("# %s" % cmd)
# The following trickery is required so that the 'cmd' thinks it's running
@ -225,6 +228,11 @@ class Config(object):
arch_specific = self.GetTargetCpu() + self.GetV8TargetCpu()
return template % arch_specific
def WantsGoma(self):
output = _CallWithOutputNoTerminal(
"gn args --short --list=use_goma %s" % (GetPath(self.arch, self.mode)))
return "true" in output
def Build(self):
path = GetPath(self.arch, self.mode)
args_gn = os.path.join(path, "args.gn")
@ -236,13 +244,14 @@ class Config(object):
code = _Call("gn gen %s" % path)
if code != 0: return code
targets = " ".join(self.targets)
build_opts = BUILD_OPTS_GOMA if self.WantsGoma() else BUILD_OPTS_DEFAULT
# The implementation of mksnapshot failure detection relies on
# the "pty" module and GDB presence, so skip it on non-Linux.
if "linux" not in sys.platform:
return _Call("ninja -C %s %s %s" % (path, BUILD_OPTS, targets))
return _Call("ninja -C %s %s %s" % (path, build_opts, targets))
return_code, output = _CallWithOutput("ninja -C %s %s %s" %
(path, BUILD_OPTS, targets))
(path, build_opts, targets))
if return_code != 0 and "FAILED: gen/snapshot.cc" in output:
_Notify("V8 build requires your attention",
"Detected mksnapshot failure, re-running in GDB...")