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Commit 13ed76bf authored by Dima Zavin's avatar Dima Zavin
Browse files

cutils: sched_policy: make bg group be nested under fg 



Adds an apps cgroup which will contain fg tasks. Move the bg group
nested underneath it.

Bug: 6538553
Change-Id: I55279415da625e15a5bb061c2b45fbe7f7a4c047
Signed-off-by: default avatarDima Zavin <dima@android.com>
parent 88f11846

libcutils/sched_policy.c

+4 −4
Original line number Diff line number Diff line
@@ -137,13 +137,13 @@ static void __initialize(void) { 
        }

#endif



        filename = "/dev/cpuctl/foreground/tasks";

        filename = "/dev/cpuctl/apps/tasks";

        fg_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);

        if (fg_cgroup_fd < 0) {

            SLOGE("open of %s failed: %s\n", filename, strerror(errno));

        }



        filename = "/dev/cpuctl/bg_non_interactive/tasks";

        filename = "/dev/cpuctl/apps/bg_non_interactive/tasks";

        bg_cgroup_fd = open(filename, O_WRONLY | O_CLOEXEC);

        if (bg_cgroup_fd < 0) {

            SLOGE("open of %s failed: %s\n", filename, strerror(errno));
@@ -253,9 +253,9 @@ int get_sched_policy(int tid, SchedPolicy *policy) 
            return -1;

        if (grpBuf[0] == '\0') {

            *policy = SP_SYSTEM;

        } else if (!strcmp(grpBuf, "bg_non_interactive")) {

        } else if (!strcmp(grpBuf, "apps/bg_non_interactive")) {

            *policy = SP_BACKGROUND;

        } else if (!strcmp(grpBuf, "foreground")) {

        } else if (!strcmp(grpBuf, "apps")) {

            *policy = SP_FOREGROUND;

        } else if (!strcmp(grpBuf, "audio_app")) {

            *policy = SP_AUDIO_APP;