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Commit 2e780402 authored Sep 26, 2022 by Akilesh Kailash

snapuserd: Set taskprofile OtaProfiles



Since update-engine already has this profile set,
it is better to have similar profile for the daemon
so that threads don't run at high priority.

Additionally, lower the nice value for worker
threads.

No change in the OTA install time observed.

Bug: 237490659
Test: Full OTA on Pixel
Change-Id: I53ec8c647eb781965792683b04621e6fec5eb5f2
Signed-off-by: Akilesh Kailash <akailash@google.com>

parent 751cdc94

fs_mgr/libsnapshot/snapuserd/snapuserd.rc

+1 −0

Original line number	Diff line number	Diff line
		@@ -4,6 +4,7 @@ service snapuserd /system/bin/snapuserd
		disabled
		user root
		group root system
		task_profiles OtaProfiles
		seclabel u:r:snapuserd:s0

		service snapuserd_proxy /system/bin/snapuserd -socket-handoff

fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_dm_user.cpp

+5 −0

Original line number	Diff line number	Diff line
		@@ -253,6 +253,11 @@ bool Worker::Init() {

		bool Worker::RunThread() {
		SNAP_LOG(INFO) << "Processing snapshot I/O requests....";

		if (setpriority(PRIO_PROCESS, gettid(), kNiceValueForMergeThreads)) {
		SNAP_PLOG(ERROR) << "Failed to set priority for TID: " << gettid();
		}

		// Start serving IO
		while (true) {
		if (!ProcessIORequest()) {