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ANDROID: vendor_hooks: Add hooks for improving binder trans

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Recognize important binder proc & binder thread and improve their sched
lantency.

Bug: 182952552
Change-Id: I174949bf90a4215a6d27f24abbc7d324a321e662
Signed-off-by: Liujie Xie <xieliujie@oppo.com>
Signed-off-by: Shaleen Agrawal <quic_shalagra@quicinc.com>
This commit is contained in:
Liujie Xie
2021-03-16 20:48:42 +08:00
committed by Treehugger Robot
parent 35aeaa5075
commit 937bd07184
3 changed files with 12 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/android/binder.c
+2
View File
@@ -4778,6 +4778,7 @@ static int binder_wait_for_work(struct binder_thread *thread,
if (do_proc_work)
list_add(&thread->waiting_thread_node,
&proc->waiting_threads);
trace_android_vh_binder_wait_for_work(do_proc_work, thread, proc);
binder_inner_proc_unlock(proc);
schedule();
binder_inner_proc_lock(proc);
@@ -5175,6 +5176,7 @@ retry:
trd->sender_pid =
task_tgid_nr_ns(sender,
task_active_pid_ns(current));
trace_android_vh_sync_txn_recvd(thread->task, t_from->task);
} else {
trd->sender_pid = 0;
}
drivers/android/vendor_hooks.c
+2
View File
@@ -91,6 +91,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_allow_domain_state);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpuidle_psci_enter);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpuidle_psci_exit);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpufreq_transition);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sync_txn_recvd);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_balance_anon_file_reclaim);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_show_max_freq);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_selinux_avc_insert);
@@ -120,6 +121,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_alloc);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_alloc_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_isolate_freepages);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_oom_check_panic);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_wait_for_work);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_folio_look_around_ref);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_look_around);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_look_around_migrate_folio);
include/trace/hooks/binder.h
+8
View File
@@ -12,6 +12,8 @@
*/
struct binder_transaction;
struct task_struct;
struct binder_thread;
struct binder_proc;
DECLARE_HOOK(android_vh_binder_transaction_init,
TP_PROTO(struct binder_transaction *t),
TP_ARGS(t));
@@ -21,6 +23,12 @@ DECLARE_HOOK(android_vh_binder_set_priority,
DECLARE_HOOK(android_vh_binder_restore_priority,
TP_PROTO(struct binder_transaction *t, struct task_struct *task),
TP_ARGS(t, task));
DECLARE_HOOK(android_vh_binder_wait_for_work,
TP_PROTO(bool do_proc_work, struct binder_thread *tsk, struct binder_proc *proc),
TP_ARGS(do_proc_work, tsk, proc));
DECLARE_HOOK(android_vh_sync_txn_recvd,
TP_PROTO(struct task_struct *tsk, struct task_struct *from),
TP_ARGS(tsk, from));
#endif /* _TRACE_HOOK_BINDER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>