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Commit 7ee4980d authored by Wei Wang's avatar Wei Wang
Browse files

libutils: use system_background for low prio tasks in framework 



Bug: 201428466
Test: Build and boot check system_server's sched group
Signed-off-by: default avatarWei Wang <wvw@google.com>
Change-Id: Iffc47fdaf3ef8fba6eb01a12cf534a0393e3e91c
Merged-In: Iffc47fdaf3ef8fba6eb01a12cf534a0393e3e91c
parent dcdac243

libutils/Threads.cpp

+4 −2
Original line number Diff line number Diff line
@@ -86,8 +86,10 @@ struct thread_data_t { 


        // A new thread will be in its parent's sched group by default,

        // so we just need to handle the background case.

        // currently set to system_background group which is different

        // from background group for app.

        if (prio >= ANDROID_PRIORITY_BACKGROUND) {

            SetTaskProfiles(0, {"SCHED_SP_BACKGROUND"}, true);

            SetTaskProfiles(0, {"SCHED_SP_SYSTEM"}, true);

        }



        if (name) {
@@ -313,7 +315,7 @@ int androidSetThreadPriority(pid_t tid, int pri) 
    }



    if (pri >= ANDROID_PRIORITY_BACKGROUND) {

        rc = SetTaskProfiles(tid, {"SCHED_SP_BACKGROUND"}, true) ? 0 : -1;

        rc = SetTaskProfiles(tid, {"SCHED_SP_SYSTEM"}, true) ? 0 : -1;

    } else if (curr_pri >= ANDROID_PRIORITY_BACKGROUND) {

        SchedPolicy policy = SP_FOREGROUND;

        // Change to the sched policy group of the process.