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Diffstat (limited to 'lava_android_test/hwprofile.py')
| -rw-r--r-- | lava_android_test/hwprofile.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/lava_android_test/hwprofile.py b/lava_android_test/hwprofile.py new file mode 100644 index 0000000..1ac7b50 --- /dev/null +++ b/lava_android_test/hwprofile.py @@ -0,0 +1,174 @@ +# Copyright (c) 2010 Linaro +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import re +import sys +from lava_android_test.adb import ADB + +ARM_KEYMAP = { + 'Processor': 'cpu_model_name', + 'Features': 'cpu_features', + 'CPU implementer': 'cpu_implementer', + 'CPU architecture': 'cpu_architecture', + 'CPU variant': 'cpu_variant', + 'CPU part': 'cpu_part', + 'CPU revision': 'cpu_revision', +} + +ARM_VALMAP = { + 'CPU implementer': lambda value: int(value, 16), + 'CPU architecture': int, + 'CPU variant': lambda value: int(value, 16), + 'CPU part': lambda value: int(value, 16), + 'CPU revision': int, +} + + +def _translate_cpuinfo(keymap, valmap, key, value): + """ + Translate a key and value using keymap and valmap passed in + """ + newkey = keymap.get(key, key) + newval = valmap.get(key, lambda x: x)(value) + return newkey, newval + + +def get_cpu_devs(adb=ADB()): + """ + Return a list of CPU devices + """ + + pattern = re.compile('^(?P<key>.+?)\s*:\s*(?P<value>.*)$') + cpunum = 0 + devices = [] + cpudevs = [] + cpudevs.append({}) + + # TODO maybe there is other types + keymap, valmap = ARM_KEYMAP, ARM_VALMAP + + try: + (retcode, cpuinfo) = adb.get_shellcmdoutput("cat /proc/cpuinfo") + if retcode != 0 or cpuinfo is None: + raise IOError("Faile to get content of file(%s)" % "/proc/cpuinfo") + for line in cpuinfo: + match = pattern.match(line) + if match: + key, value = match.groups() + key = key.strip() + value = value.strip() + try: + key, value = _translate_cpuinfo(keymap, valmap, key, value) + except ValueError: + pass + if cpudevs[cpunum].get(key): + cpunum += 1 + cpudevs.append({}) + cpudevs[cpunum][key] = value + for c in range(len(cpudevs)): + device = {} + device['device_type'] = 'device.cpu' + device['description'] = 'Processor #{0}'.format(c) + device['attributes'] = cpudevs[c] + devices.append(device) + except IOError: + print >> sys.stderr, "WARNING: Could not read cpu information" + return devices + + +def get_board_devs(adb=ADB()): + """ + Return a list of board devices + """ + devices = [] + attributes = {} + device = {} + + try: + (retcode, cpuinfo) = adb.get_shellcmdoutput("cat /proc/cpuinfo") + if retcode != 0 or cpuinfo is None: + raise IOError("Faile to get content of file(%s)" % "/proc/cpuinfo") + pattern = re.compile("^Hardware\s*:\s*(?P<description>.+)$", re.M) + found = False + for line in cpuinfo: + match = pattern.search(line) + if match: + found = True + device['description'] = match.group('description').strip() + if not found: + return devices + except IOError: + print >> sys.stderr, "WARNING: Could not read board information" + return devices + if attributes: + device['attributes'] = attributes + device['device_type'] = 'device.board' + devices.append(device) + return devices + + +def get_mem_devs(adb=ADB()): + """ Return a list of memory devices + + This returns up to two items, one for physical RAM and another for swap + """ + devices = [] + + pattern = re.compile('^(?P<key>.+?)\s*:\s*(?P<value>.+) kB$', re.M) + + try: + (retcode, meminfo) = adb.get_shellcmdoutput("cat /proc/meminfo") + if retcode != 0 or meminfo is None: + raise IOError("Faile to get content of file(%s)" % "/proc/meminfo") + for line in meminfo: + match = pattern.search(line) + if not match: + continue + key, value = match.groups() + key = key.strip() + value = value.strip() + if key not in ('MemTotal', 'SwapTotal'): + continue + #Kernel reports in 2^10 units + capacity = int(value) << 10 + if capacity == 0: + continue + if key == 'MemTotal': + kind = 'RAM' + else: + kind = 'swap' + description = "{capacity}MiB of {kind}".format( + capacity=capacity >> 20, kind=kind) + device = {} + device['description'] = description + device['attributes'] = {'capacity': str(capacity), 'kind': kind} + device['device_type'] = "device.mem" + devices.append(device) + except IOError: + print >> sys.stderr, "WARNING: Could not read memory information" + return devices + + +def get_hardware_context(adb=ADB()): + """ + Return a dict with all of the hardware profile information gathered + """ + hardware_context = {} + devices = [] + devices.extend(get_cpu_devs(adb)) + devices.extend(get_board_devs(adb)) + devices.extend(get_mem_devs(adb)) + hardware_context['devices'] = devices + return hardware_context |