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ANDROID: Add vendor hooks for binder perf tuning

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Add some hooks in the binder module so that we can do task dependency analysis and statistical work in OEM's module for further optimization.

Bug: 235925535
Bug: 281920779

Signed-off-by: Zhuguangqing <zhuguangqing@xiaomi.com>
Change-Id: Id47e59c4e3ccd07b26eef758ada147b98cd1964e
Signed-off-by: heshuai1 <heshuai1@xiaomi.com>
This commit is contained in:
Zhuguangqing
2021-03-09 15:47:43 +08:00
committed by Treehugger Robot
parent 788c867435
commit 09c3bee386
3 changed files with 21 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/android/binder.c
+3 -1
View File
@@ -3285,6 +3285,7 @@ static void binder_transaction(struct binder_proc *proc,
target_proc = target_thread->proc;
target_proc->tmp_ref++;
binder_inner_proc_unlock(target_thread->proc);
trace_android_vh_binder_reply(target_proc, proc, thread, tr);
} else {
if (tr->target.handle) {
struct binder_ref *ref;
@@ -3347,6 +3348,7 @@ static void binder_transaction(struct binder_proc *proc,
return_error_line = __LINE__;
goto err_invalid_target_handle;
}
trace_android_vh_binder_trans(target_proc, proc, thread, tr);
if (security_binder_transaction(proc->cred,
target_proc->cred) < 0) {
binder_txn_error("%d:%d transaction credentials failed\n",
@@ -6276,7 +6278,7 @@ static int binder_open(struct inode *nodp, struct file *filp)
}
hlist_add_head(&proc->proc_node, &binder_procs);
mutex_unlock(&binder_procs_lock);
trace_android_vh_binder_preset(&binder_procs, &binder_procs_lock);
if (binder_debugfs_dir_entry_proc && !existing_pid) {
char strbuf[11];
drivers/android/vendor_hooks.c
+3
View File
@@ -362,3 +362,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dma_heap_buffer_alloc_start);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dma_heap_buffer_alloc_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_zs_shrinker_adjust);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_zs_shrinker_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_preset);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_reply);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_trans);
include/trace/hooks/binder.h
+15
View File
@@ -56,6 +56,21 @@ DECLARE_HOOK(android_vh_binder_buffer_release,
TP_PROTO(struct binder_proc *proc, struct binder_thread *thread,
struct binder_buffer *buffer, bool has_transaction),
TP_ARGS(proc, thread, buffer, has_transaction));
struct binder_proc;
struct binder_thread;
DECLARE_HOOK(android_vh_binder_preset,
TP_PROTO(struct hlist_head *hhead, struct mutex *lock),
TP_ARGS(hhead, lock));
struct binder_transaction_data;
DECLARE_HOOK(android_vh_binder_reply,
TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
struct binder_thread *thread, struct binder_transaction_data *tr),
TP_ARGS(target_proc, proc, thread, tr));
DECLARE_HOOK(android_vh_binder_trans,
TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
struct binder_thread *thread, struct binder_transaction_data *tr),
TP_ARGS(target_proc, proc, thread, tr));
#endif /* _TRACE_HOOK_BINDER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>