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platform_system_core
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Merge "Store userspace reboot info in /metadata"

This commit is contained in:
Gavin Corkery 2020-08-26 21:47:19 +00:00 committed by Gerrit Code Review
parent 58c10b7730 8c92256df5
commit c0d11aa73a
3 changed files with 21 additions and 2 deletions
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4
init/builtins.cpp
View File

@ -1173,6 +1173,10 @@ static Result<void> do_remount_userdata(const BuiltinArguments& args) {
}
// TODO(b/135984674): check that fstab contains /data.
if (auto rc = fs_mgr_remount_userdata_into_checkpointing(&fstab); rc < 0) {
std::string proc_mounts_output;
android::base::ReadFileToString("/proc/mounts", &proc_mounts_output, true);
android::base::WriteStringToFile(proc_mounts_output,
"/metadata/userspacereboot/mount_info.txt");
trigger_shutdown("reboot,mount_userdata_failed");
}
if (auto result = queue_fs_event(initial_mount_fstab_return_code, true); !result.ok()) {

18
init/reboot.cpp
View File

@ -804,11 +804,19 @@ static Result<void> DoUserspaceReboot() {
auto sigkill_timeout = GetMillisProperty("init.userspace_reboot.sigkill.timeoutmillis", 10s);
LOG(INFO) << "Timeout to terminate services: " << sigterm_timeout.count() << "ms "
<< "Timeout to kill services: " << sigkill_timeout.count() << "ms";
std::string services_file_name = "/metadata/userspacereboot/services.txt";
const int flags = O_RDWR | O_CREAT | O_SYNC | O_APPEND | O_CLOEXEC;
StopServicesAndLogViolations(stop_first, sigterm_timeout, true /* SIGTERM */);
if (int r = StopServicesAndLogViolations(stop_first, sigkill_timeout, false /* SIGKILL */);
r > 0) {
auto fd = unique_fd(TEMP_FAILURE_RETRY(open(services_file_name.c_str(), flags, 0666)));
android::base::WriteStringToFd("Post-data services still running: \n", fd);
for (const auto& s : stop_first) {
if (s->IsRunning()) {
android::base::WriteStringToFd(s->name() + "\n", fd);
}
}
sub_reason = "sigkill";
// TODO(b/135984674): store information about offending services for debugging.
return Error() << r << " post-data services are still running";
}
if (auto result = KillZramBackingDevice(); !result.ok()) {
@ -822,8 +830,14 @@ static Result<void> DoUserspaceReboot() {
if (int r = StopServicesAndLogViolations(GetDebuggingServices(true /* only_post_data */),
sigkill_timeout, false /* SIGKILL */);
r > 0) {
auto fd = unique_fd(TEMP_FAILURE_RETRY(open(services_file_name.c_str(), flags, 0666)));
android::base::WriteStringToFd("Debugging services still running: \n", fd);
for (const auto& s : GetDebuggingServices(true)) {
if (s->IsRunning()) {
android::base::WriteStringToFd(s->name() + "\n", fd);
}
}
sub_reason = "sigkill_debug";
// TODO(b/135984674): store information about offending services for debugging.
return Error() << r << " debugging services are still running";
}
{

1
rootdir/init.rc
View File

@ -510,6 +510,7 @@ on post-fs
mkdir /metadata/bootstat 0750 system log
mkdir /metadata/ota 0700 root system
mkdir /metadata/ota/snapshots 0700 root system
mkdir /metadata/userspacereboot 0770 root system
mkdir /metadata/apex 0700 root system
mkdir /metadata/apex/sessions 0700 root system