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SystemMonitor: Parse /proc/cpuinfo as JSON

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This commit is contained in:
Linus Groh 2020-07-11 21:08:40 +01:00 • committed by Andreas Kling
parent fc0ec60d82
commit 858f6dc1d1
2 changed files with 12 additions and 39 deletions
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39
Applications/SystemMonitor/ProcessModel.cpp
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@ -54,38 +54,13 @@ ProcessModel::ProcessModel()
auto file = Core::File::construct("/proc/cpuinfo");
if (file->open(Core::IODevice::ReadOnly)) {
OwnPtr<CpuInfo> cpu;
u32 cpu_id = 0;
while (file->can_read_line()) {
auto line = file->read_line(1024);
if (line.is_null())
continue;
auto str = String::copy(line, Chomp);
if (str.is_empty() && cpu)
m_cpus.append(cpu.release_nonnull());
size_t i;
bool have_val = false;
for (i = 0; i < str.length(); i++) {
if (str[i] == ':') {
have_val = true;
break;
}
}
if (!have_val)
continue;
auto key = str.substring(0, i);
auto val = str.substring(i + 1, str.length() - i - 1).trim_whitespace();
if (!cpu)
cpu = make<CpuInfo>(cpu_id++);
cpu->values.set(key, val);
}
if (cpu)
m_cpus.append(cpu.release_nonnull());
auto json = JsonValue::from_string({ file->read_all() });
auto cpuinfo_array = json.value().as_array();
cpuinfo_array.for_each([&](auto& value) {
auto& cpu_object = value.as_object();
auto cpu_id = cpu_object.get("processor").as_u32();
m_cpus.append(make<CpuInfo>(cpu_id));
});
}
if (m_cpus.is_empty())