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lmkd: migrate process to FOREGROUND sched group before kill am: 0195bcdba7 am: a95efc0941 am: 50bf1dc40c 

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1825954

Change-Id: I73a62f67750c64f87739d64ea0ba3f9010b94f70
This commit is contained in:
Wei Wang 2021-09-14 15:13:34 +00:00 committed by Automerger Merge Worker
parent ca40541bfc 50bf1dc40c
commit 193b84cd38
1 changed files with 7 additions and 5 deletions
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12
lmkd.cpp
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@ -40,7 +40,6 @@
#include <unistd.h>
#include <cutils/properties.h>
#include <cutils/sched_policy.h>
#include <cutils/sockets.h>
#include <liblmkd_utils.h>
#include <lmkd.h>
@ -48,6 +47,7 @@
#include <log/log_event_list.h>
#include <log/log_time.h>
#include <private/android_filesystem_config.h>
#include <processgroup/processgroup.h>
#include <psi/psi.h>
#include <system/thread_defs.h>
@ -2008,7 +2008,8 @@ static struct proc *proc_get_heaviest(int oomadj) {
return maxprocp;
}
static void set_process_group_and_prio(int pid, SchedPolicy sp, int prio) {
static void set_process_group_and_prio(int pid, const std::vector<std::string>& profiles,
int prio) {
DIR* d;
char proc_path[PATH_MAX];
struct dirent* de;
@ -2035,8 +2036,8 @@ static void set_process_group_and_prio(int pid, SchedPolicy sp, int prio) {
ALOGW("Unable to raise priority of killing t_pid (%d): errno=%d", t_pid, errno);
}
if (set_cpuset_policy(t_pid, sp)) {
ALOGW("Failed to set_cpuset_policy on pid(%d) t_pid(%d) to %d", pid, t_pid, (int)sp);
if (!SetTaskProfiles(t_pid, profiles)) {
ALOGW("Failed to set task_profiles on pid(%d) t_pid(%d)", pid, t_pid);
continue;
}
}
@ -2207,7 +2208,8 @@ static int kill_one_process(struct proc* procp, int min_oom_score, struct kill_i
goto out;
}
set_process_group_and_prio(pid, SP_FOREGROUND, ANDROID_PRIORITY_HIGHEST);
set_process_group_and_prio(pid, {"CPUSET_SP_BACKGROUND", "SCHED_SP_FOREGROUND"},
ANDROID_PRIORITY_HIGHEST);
last_kill_tm = *tm;