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Commit 1e4b9d75 authored by Suren Baghdasaryan's avatar Suren Baghdasaryan Committed by Gerrit Code Review
Browse files

Merge "Replace hardcoded cgroup paths"

parents 996f0473 9c9b0257

core/jni/android_util_Process.cpp

+13 −9
Original line number Diff line number Diff line
@@ -346,30 +346,34 @@ static void parse_cpuset_cpus(char *cpus, cpu_set_t *cpu_set) { 
static void get_cpuset_cores_for_policy(SchedPolicy policy, cpu_set_t *cpu_set)

{

    FILE *file;

    const char *filename;

    std::string filename;



    CPU_ZERO(cpu_set);



    switch (policy) {

        case SP_BACKGROUND:

            filename = "/dev/cpuset/background/cpus";

            if (!CgroupGetAttributePath("LowCapacityCPUs", &filename)) {

                return;

            }

            break;

        case SP_FOREGROUND:

        case SP_AUDIO_APP:

        case SP_AUDIO_SYS:

        case SP_RT_APP:

            filename = "/dev/cpuset/foreground/cpus";

            if (!CgroupGetAttributePath("HighCapacityCPUs", &filename)) {

                return;

            }

            break;

        case SP_TOP_APP:

            filename = "/dev/cpuset/top-app/cpus";

            if (!CgroupGetAttributePath("MaxCapacityCPUs", &filename)) {

                return;

            }

            break;

        default:

            filename = NULL;

            return;

    }



    if (!filename) return;



    file = fopen(filename, "re");

    file = fopen(filename.c_str(), "re");

    if (file != NULL) {

        // Parse cpus string

        char *line = NULL;
@@ -379,7 +383,7 @@ static void get_cpuset_cores_for_policy(SchedPolicy policy, cpu_set_t *cpu_set) 
        if (num_read > 0) {

            parse_cpuset_cpus(line, cpu_set);

        } else {

            ALOGE("Failed to read %s", filename);

            ALOGE("Failed to read %s", filename.c_str());

        }

        free(line);

    }

core/jni/com_android_internal_os_Zygote.cpp

+4 −7
Original line number Diff line number Diff line
@@ -1305,15 +1305,12 @@ static jint com_android_internal_os_Zygote_nativeForkSystemServer( 
          RuntimeAbort(env, __LINE__, "System server process has died. Restarting Zygote!");

      }



      bool low_ram_device = GetBoolProperty("ro.config.low_ram", false);

      bool per_app_memcg = GetBoolProperty("ro.config.per_app_memcg", low_ram_device);

      if (per_app_memcg) {

      if (UsePerAppMemcg()) {

          // Assign system_server to the correct memory cgroup.

          // Not all devices mount /dev/memcg so check for the file first

          // Not all devices mount memcg so check if it is mounted first

          // to avoid unnecessarily printing errors and denials in the logs.

          if (!access("/dev/memcg/system/tasks", F_OK) &&

                !WriteStringToFile(StringPrintf("%d", pid), "/dev/memcg/system/tasks")) {

              ALOGE("couldn't write %d to /dev/memcg/system/tasks", pid);

          if (!SetTaskProfiles(pid, std::vector<std::string>{"SystemMemoryProcess"})) {

              ALOGE("couldn't add process %d into system memcg group", pid);

          }

      }

  }

media/jni/Android.bp

+3 −0
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@ cc_library_shared { 
        "libmtp",

        "libexif",

        "libpiex",

        "libprocessgroup",

        "libandroidfw",

        "libhidlallocatorutils",

        "libhidlbase",
@@ -131,6 +132,7 @@ cc_library_shared { 
        "libcutils",

        "libdexfile",

        "liblzma",

        "libjsoncpp",

        "libmedia_helper",

        "libmedia_player2_util",

        "libmediadrm",
@@ -140,6 +142,7 @@ cc_library_shared { 
        "libmediautils",

        "libnativehelper",

        "libnetd_client",

        "libprocessgroup",

        "libstagefright_esds",

        "libstagefright_foundation",

        "libstagefright_httplive",