b086206161
This is a reland of commit 1289704aae
Mac-arm64 problem fixed by:
https://crrev.com/c/3550199
Original change's description:
> [tools] Clean up py2 code
>
> Bug: chromium:1292013
> Change-Id: Ic2c3a197005a2136bb0eda4cbb36d8eb57f42a7c
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3523047
> Reviewed-by: Liviu Rau <liviurau@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#79507}
Bug: chromium:1292013
Change-Id: Iadf0ccf94c82012088b76a866296c8e008dff02f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3550274
Reviewed-by: Liviu Rau <liviurau@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79624}
82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
#!/usr/bin/env python3
|
|
# Copyright 2020 the V8 project authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
import heapq
|
|
import os
|
|
import platform
|
|
import random
|
|
import signal
|
|
import subprocess
|
|
|
|
# Base dir of the build products for Release and Debug.
|
|
OUT_DIR = os.path.abspath(
|
|
os.path.join(os.path.dirname(__file__), '..', '..', '..', 'out'))
|
|
|
|
|
|
def list_processes_linux():
|
|
"""Returns list of tuples (pid, command) of processes running in the same out
|
|
directory as this checkout.
|
|
"""
|
|
if platform.system() != 'Linux':
|
|
return []
|
|
try:
|
|
cmd = 'pgrep -fa %s' % OUT_DIR
|
|
output = subprocess.check_output(cmd, shell=True) or ''
|
|
processes = [
|
|
(int(line.split()[0]), line[line.index(OUT_DIR):])
|
|
for line in output.splitlines()
|
|
]
|
|
# Filter strange process with name as out dir.
|
|
return [p for p in processes if p[1] != OUT_DIR]
|
|
except:
|
|
return []
|
|
|
|
|
|
def kill_processes_linux():
|
|
"""Kill stray processes on the system that started in the same out directory.
|
|
|
|
All swarming tasks share the same out directory location.
|
|
"""
|
|
if platform.system() != 'Linux':
|
|
return
|
|
for pid, cmd in list_processes_linux():
|
|
try:
|
|
print('Attempting to kill %d - %s' % (pid, cmd))
|
|
os.kill(pid, signal.SIGKILL)
|
|
except:
|
|
pass
|
|
|
|
|
|
class FixedSizeTopList():
|
|
"""Utility collection for gathering a fixed number of elements with the
|
|
biggest value for the given key. It employs a heap from which we pop the
|
|
smallest element when the collection is 'full'.
|
|
|
|
If you need a reversed behaviour (collect min values) just provide an
|
|
inverse key."""
|
|
|
|
def __init__(self, size, key=None):
|
|
self.size = size
|
|
self.key = key or (lambda x: x)
|
|
self.data = []
|
|
self.discriminator = 0
|
|
|
|
def add(self, elem):
|
|
elem_k = self.key(elem)
|
|
heapq.heappush(self.data, (elem_k, self.extra_key(), elem))
|
|
if len(self.data) > self.size:
|
|
heapq.heappop(self.data)
|
|
|
|
def extra_key(self):
|
|
# Avoid key clash in tuples sent to the heap.
|
|
# We want to avoid comparisons on the last element of the tuple
|
|
# since those elements might not be comparable.
|
|
self.discriminator += 1
|
|
return self.discriminator
|
|
|
|
def as_list(self):
|
|
original_data = [rec for (_, _, rec) in self.data]
|
|
return sorted(original_data, key=self.key, reverse=True)
|