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lmkd: migrate process to FOREGROUND sched group before kill am: 90f3c9e5c6 

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/15828583

Change-Id: I24a0ba3f0afcfb7848cf426c00c1d34b8dc2878e
This commit is contained in:
Wei Wang 2021-09-22 21:21:18 +00:00 committed by Automerger Merge Worker
parent 0e07e4e3fb 90f3c9e5c6
commit a2261d1e6b
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 <unistd.h>
#include <cutils/properties.h> #include <cutils/properties.h>
#include <cutils/sched_policy.h>
#include <cutils/sockets.h> #include <cutils/sockets.h>
#include <liblmkd_utils.h> #include <liblmkd_utils.h>
#include <lmkd.h> #include <lmkd.h>
@ -48,6 +47,7 @@
#include <log/log_event_list.h> #include <log/log_event_list.h>
#include <log/log_time.h> #include <log/log_time.h>
#include <private/android_filesystem_config.h> #include <private/android_filesystem_config.h>
#include <processgroup/processgroup.h>
#include <psi/psi.h> #include <psi/psi.h>
#include <system/thread_defs.h> #include <system/thread_defs.h>
@ -1987,7 +1987,8 @@ static struct proc *proc_get_heaviest(int oomadj) {
return maxprocp; 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; DIR* d;
char proc_path[PATH_MAX]; char proc_path[PATH_MAX];
struct dirent* de; struct dirent* de;
@ -2014,8 +2015,8 @@ 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); ALOGW("Unable to raise priority of killing t_pid (%d): errno=%d", t_pid, errno);
} }
if (set_cpuset_policy(t_pid, sp)) { if (!SetTaskProfiles(t_pid, profiles)) {
ALOGW("Failed to set_cpuset_policy on pid(%d) t_pid(%d) to %d", pid, t_pid, (int)sp); ALOGW("Failed to set task_profiles on pid(%d) t_pid(%d)", pid, t_pid);
continue; continue;
} }
} }
@ -2190,7 +2191,8 @@ static int kill_one_process(struct proc* procp, int min_oom_score, struct kill_i
goto out; 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; last_kill_tm = *tm;