roll_prebuilt: update scripts
This change runs tools/roll_prebuilt and also introduces
some matching changes required to make use of it in
tools/{heap_profile, record_android_trace}
Bug: 177349647
Change-Id: Ia5b569086d66896ff09f23680235547ed2ee181adiff --git a/tools/tracebox b/tools/tracebox
new file mode 100755
index 0000000..5183f2c
--- /dev/null
+++ b/tools/tracebox
@@ -0,0 +1,192 @@
+#!/usr/bin/env python3
+# Copyright (C) 2021 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This file should do the same thing when being invoked in any of these ways:
+# ./tracebox
+# python tracebox
+# bash tracebox
+# cat ./tracebox | bash
+# cat ./tracebox | python -
+
+BASH_FALLBACK = """ "
+exec python3 - "$@" <<'#'EOF
+#"""
+
+TOOL_NAME = 'tracebox'
+
+# BEGIN_SECTION_GENERATED_BY(roll-prebuilts)
+# Revision: 45571639857aa59be41f77a2d774f6577d03c86c
+PERFETTO_PREBUILT_MANIFEST = [{
+ 'tool':
+ 'tracebox',
+ 'arch':
+ 'mac-amd64',
+ 'file_name':
+ 'tracebox',
+ 'file_size':
+ 1315792,
+ 'url':
+ 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/45571639857aa59be41f77a2d774f6577d03c86c/mac-amd64/tracebox',
+ 'sha256':
+ '5ccbdf4548ab6d80f728b028ad88e7e9c95c02a06691212a396356449036487a',
+ 'platform':
+ 'darwin',
+ 'machine': ['x86_64']
+}, {
+ 'tool':
+ 'tracebox',
+ 'arch':
+ 'linux-amd64',
+ 'file_name':
+ 'tracebox',
+ 'file_size':
+ 1750688,
+ 'url':
+ 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/45571639857aa59be41f77a2d774f6577d03c86c/linux-amd64/tracebox',
+ 'sha256':
+ '9e304cebb0bb09b47ff1e1c42b0d8ad6c9e499a12565de6b66961f9431109a02',
+ 'platform':
+ 'linux',
+ 'machine': ['x86_64']
+}, {
+ 'tool':
+ 'tracebox',
+ 'arch':
+ 'linux-amd64',
+ 'file_name':
+ 'tracebox',
+ 'file_size':
+ 1750688,
+ 'url':
+ 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/45571639857aa59be41f77a2d774f6577d03c86c/linux-amd64/tracebox',
+ 'sha256':
+ '9e304cebb0bb09b47ff1e1c42b0d8ad6c9e499a12565de6b66961f9431109a02',
+ 'platform':
+ 'linux',
+ 'machine': ['x86_64']
+}, {
+ 'tool':
+ 'tracebox',
+ 'arch':
+ 'linux-arm',
+ 'file_name':
+ 'tracebox',
+ 'file_size':
+ 990096,
+ 'url':
+ 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/45571639857aa59be41f77a2d774f6577d03c86c/linux-arm/tracebox',
+ 'sha256':
+ '259d676d90d3a3cd37af61ded9a7956f1dfe8370bff1c9f62bfced202731c231',
+ 'platform':
+ 'linux',
+ 'machine': ['armv6l', 'armv7l', 'armv8l']
+}, {
+ 'tool':
+ 'tracebox',
+ 'arch':
+ 'linux-arm64',
+ 'file_name':
+ 'tracebox',
+ 'file_size':
+ 1493456,
+ 'url':
+ 'https://commondatastorage.googleapis.com/perfetto-luci-artifacts/45571639857aa59be41f77a2d774f6577d03c86c/linux-arm64/tracebox',
+ 'sha256':
+ '23c9d3f732c678f4002577f4f415703e221b092a90fc83e2bea3d69dd4061257',
+ 'platform':
+ 'linux',
+ 'machine': ['aarch64']
+}]
+
+
+# DO NOT EDIT. If you wish to make edits to this code, you need to change only
+# //tools/get_perfetto_prebuilt.py and run /tools/roll-prebuilts to regenerate
+# all the others scripts this is embedded into.
+def get_perfetto_prebuilt(tool_name, soft_fail=False, arch=None):
+ """ Downloads the prebuilt, if necessary, and returns its path on disk. """
+
+ # The first time this is invoked, it downloads the |url| and caches it into
+ # ~/.perfetto/prebuilts/$tool_name. On subsequent invocations it just runs the
+ # cached version.
+ def download_or_get_cached(file_name, url, sha256):
+ import os, hashlib, subprocess
+ dir = os.path.join(
+ os.path.expanduser('~'), '.local', 'share', 'perfetto', 'prebuilts')
+ os.makedirs(dir, exist_ok=True)
+ bin_path = os.path.join(dir, file_name)
+ sha256_path = os.path.join(dir, file_name + '.sha256')
+ needs_download = True
+
+ # Avoid recomputing the SHA-256 on each invocation. The SHA-256 of the last
+ # download is cached into file_name.sha256, just check if that matches.
+ if os.path.exists(bin_path) and os.path.exists(sha256_path):
+ with open(sha256_path, 'rb') as f:
+ digest = f.read().decode()
+ if digest == sha256:
+ needs_download = False
+
+ if needs_download:
+ # Either the filed doesn't exist or the SHA256 doesn't match.
+ tmp_path = bin_path + '.tmp'
+ print('Downloading ' + url)
+ subprocess.check_call(['curl', '-f', '-L', '-#', '-o', tmp_path, url])
+ with open(tmp_path, 'rb') as fd:
+ actual_sha256 = hashlib.sha256(fd.read()).hexdigest()
+ if actual_sha256 != sha256:
+ raise Exception('Checksum mismatch for %s (actual: %s, expected: %s)' %
+ (url, actual_sha256, sha256))
+ os.chmod(tmp_path, 0o755)
+ os.rename(tmp_path, bin_path)
+ with open(sha256_path, 'w') as f:
+ f.write(sha256)
+ return bin_path
+ # --- end of download_or_get_cached() ---
+
+ # --- get_perfetto_prebuilt() function starts here. ---
+ import os, platform, sys
+ plat = sys.platform.lower()
+ machine = platform.machine().lower()
+ manifest_entry = None
+ for entry in PERFETTO_PREBUILT_MANIFEST:
+ # If the caller overrides the arch, just match that (for Android prebuilts).
+ if arch and entry.get('arch') == arch:
+ manifest_entry = entry
+ break
+ # Otherwise guess the local machine arch.
+ if entry.get('tool') == tool_name and entry.get(
+ 'platform') == plat and machine in entry.get('machine', []):
+ manifest_entry = entry
+ break
+ if manifest_entry is None:
+ if soft_fail:
+ return None
+ raise Exception(
+ ('No prebuilts available for %s-%s\n' % (plat, machine)) +
+ 'See https://perfetto.dev/docs/contributing/build-instructions')
+
+ return download_or_get_cached(
+ file_name=manifest_entry['file_name'],
+ url=manifest_entry['url'],
+ sha256=manifest_entry['sha256'])
+
+
+# END_SECTION_GENERATED_BY(roll-prebuilts)
+
+if __name__ == '__main__':
+ import sys, os
+ bin_path = get_perfetto_prebuilt(TOOL_NAME)
+ os.execv(bin_path, [bin_path] + sys.argv[1:])
+
+#EOF