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Auto merge of #34614 - cynicaldevil:build-time, r=alexcrichton

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Build: Shows total time taken to build the compiler

Fixes #34600
Prints the total time taken to build rustc by executing `src/bootstrap/bootstrap.py`; also includes time taken to download `stage0` compiler and deps.

r? @alexcrichton
This commit is contained in:
bors 2016-07-03 02:17:58 -07:00 committed by GitHub
parent d9e8a67894 4dbe14005f
commit da099c2322
1 changed files with 12 additions and 0 deletions
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12
src/bootstrap/bootstrap.py
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@ -10,6 +10,7 @@
import argparse
import contextlib
import datetime
import hashlib
import os
import shutil
@ -18,6 +19,8 @@ import sys
import tarfile
import tempfile
from time import time
def get(url, path, verbose=False):
sha_url = url + ".sha256"
@ -118,6 +121,9 @@ def stage0_data(rust_root):
data[a] = b
return data
def format_build_time(duration):
return str(datetime.timedelta(seconds=int(duration)))
class RustBuild:
def download_stage0(self):
cache_dst = os.path.join(self.build_dir, "cache")
@ -372,6 +378,8 @@ def main():
rb._rustc_channel, rb._rustc_date = data['rustc'].split('-', 1)
rb._cargo_channel, rb._cargo_date = data['cargo'].split('-', 1)
start_time = time()
# Fetch/build the bootstrap
rb.build = rb.build_triple()
rb.download_stage0()
@ -390,5 +398,9 @@ def main():
env["BOOTSTRAP_PARENT_ID"] = str(os.getpid())
rb.run(args, env)
end_time = time()
print("Build completed in %s" % format_build_time(end_time - start_time))
if __name__ == '__main__':
main()