github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-31 19:47:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

sched/walt: Apply binder vendor hook performance tune

Browse Source 
Apply binder vendor hook performance tune for blocked binder
transaction.

Change-Id: Ia4a344fd260df12f4d5b364f7f4027c50c6f1a99
Signed-off-by: jianzhou <jianzhou@codeaurora.org>
This commit is contained in:
jianzhou 2021-04-27 13:54:39 +08:00 committed by Rishabh Bhatnagar
parent b07ef98a47
commit 2874629bd7
1 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
kernel/sched/walt/walt_cfs.c
View File

@ -8,6 +8,7 @@
#include "walt.h"
#include "trace.h"
#include <../../../drivers/android/binder_internal.h>
#include "../../../drivers/android/binder_trace.h"
/* Migration margins */
@ -711,6 +712,34 @@ static void walt_binder_low_latency_clear(void *unused, struct binder_transactio
wts->low_latency &= ~WALT_LOW_LATENCY_BINDER;
}
static void binder_set_priority_hook(void *data,
struct binder_transaction *bndrtrans, struct task_struct *task)
{
struct walt_task_struct *wts = (struct walt_task_struct *) task->android_vendor_data1;
struct walt_task_struct *current_wts =
(struct walt_task_struct *) current->android_vendor_data1;
if (unlikely(walt_disabled))
return;
if (bndrtrans && bndrtrans->need_reply && current_wts->boost == TASK_BOOST_STRICT_MAX) {
bndrtrans->android_vendor_data1 = wts->boost;
wts->boost = TASK_BOOST_STRICT_MAX;
}
}
static void binder_restore_priority_hook(void *data,
struct binder_transaction *bndrtrans, struct task_struct *task)
{
struct walt_task_struct *wts = (struct walt_task_struct *) task->android_vendor_data1;
if (unlikely(walt_disabled))
return;
if (wts->boost == TASK_BOOST_STRICT_MAX)
wts->boost = bndrtrans->android_vendor_data1;
}
void walt_cfs_init(void)
{
register_trace_android_rvh_select_task_rq_fair(walt_select_task_rq_fair, NULL);
@ -718,4 +747,7 @@ void walt_cfs_init(void)
register_trace_android_vh_binder_wakeup_ilocked(walt_binder_low_latency_set, NULL);
register_trace_binder_transaction_received(walt_binder_low_latency_clear, NULL);
register_trace_android_vh_binder_set_priority(binder_set_priority_hook, NULL);
register_trace_android_vh_binder_restore_priority(binder_restore_priority_hook, NULL);
}