public AndroidAppProcess(int pid) throws IOException, NotAndroidAppProcessException {
super(pid);
final boolean foreground;
int uid;
if (SYS_SUPPORTS_SCHEDGROUPS) {
Cgroup cgroup = cgroup();
ControlGroup cpuacct = cgroup.getGroup("cpuacct");
ControlGroup cpu = cgroup.getGroup("cpu");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
if (cpu == null || cpuacct == null || !cpuacct.group.contains("pid_")) {
throw new NotAndroidAppProcessException(pid);
}
foreground = !cpu.group.contains("bg_non_interactive");
try {
uid = Integer.parseInt(cpuacct.group.split("/")[1].replace("uid_", ""));
} catch (Exception e) {
uid = status().getUid();
}
ProcessManager.log(
"name=%s, pid=%d, uid=%d, foreground=%b, cpuacct=%s, cpu=%s",
name, pid, uid, foreground, cpuacct.toString(), cpu.toString());
} else {
if (cpu == null || cpuacct == null || !cpu.group.contains("apps")) {
throw new NotAndroidAppProcessException(pid);
}
foreground = !cpu.group.contains("bg_non_interactive");
try {
uid = Integer.parseInt(cpuacct.group.substring(cpuacct.group.lastIndexOf("/") + 1));
} catch (Exception e) {
uid = status().getUid();
}
ProcessManager.log(
"name=%s, pid=%d, uid=%d foreground=%b, cpuacct=%s, cpu=%s",
name, pid, uid, foreground, cpuacct.toString(), cpu.toString());
}
} else {
// this is a really ugly way to check if the process is an application.
// we could possibly check the UID name (starts with "app_" or "u<USER_ID>_a")
if (name.startsWith("/") || !new File("/data/data", getPackageName()).exists()) {
throw new NotAndroidAppProcessException(pid);
}
Stat stat = stat();
Status status = status();
// https://github.com/android/platform_system_core/blob/jb-mr1-release/libcutils/sched_policy.c#L245-256
foreground = stat.policy() == 0; // SCHED_NORMAL
uid = status.getUid();
ProcessManager.log("name=%s, pid=%d, uid=%d foreground=%b", name, pid, uid, foreground);
}
this.foreground = foreground;
this.uid = uid;
}
public AndroidAppProcess(int pid) throws IOException, NotAndroidAppProcessException {
super(pid);
cgroup = super.cgroup();
ControlGroup cpuacct = cgroup.getGroup("cpuacct");
ControlGroup cpu = cgroup.getGroup("cpu");
if (cpu == null || cpuacct == null || !cpuacct.group.contains("pid_")) {
throw new NotAndroidAppProcessException(pid);
}
foreground = !cpu.group.contains("bg_non_interactive");
try {
uid = Integer.parseInt(cpuacct.group.split("/")[1].replace("uid_", ""));
} catch (Exception e) {
uid = status().getUid();
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(Fields.OS);
builder.field(Fields.TIMESTAMP, getTimestamp());
cpu.toXContent(builder, params);
mem.toXContent(builder, params);
swap.toXContent(builder, params);
if (cgroup != null) {
cgroup.toXContent(builder, params);
}
builder.endObject();
return builder;
}
