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ANDROID: vendor_hooks:vendor hooks for binder thread info

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the first one is the lifecycle that they are added to thread pool,
and they are released. another is that the data is readed by thread.

Bug: 333839270

Change-Id: I41d58474aa66533a2104c07aae525bf09e32df4d
Signed-off-by: Muduo Qin <muduo.qin@tcl.corp-partner.google.com>
(cherry picked from commit b98dd52b77f25f724052221c54b4e197692406e7)
This commit is contained in:
Muduo Qin
2024-05-09 19:53:05 +08:00
committed by Treehugger Robot
parent bb95139149
commit a78c22c33d
3 changed files with 15 additions and 0 deletions
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drivers/android/binder.c
+3
View File
@@ -4516,6 +4516,7 @@ static int binder_thread_write(struct binder_proc *proc,
}
thread->looper |= BINDER_LOOPER_STATE_REGISTERED;
binder_inner_proc_unlock(proc);
trace_android_vh_binder_looper_state_registered(thread, proc);
break;
case BC_ENTER_LOOPER:
binder_debug(BINDER_DEBUG_THREADS,
@@ -5598,6 +5599,7 @@ static int binder_thread_release(struct binder_proc *proc,
if (send_reply)
binder_send_failed_reply(send_reply, BR_DEAD_REPLY);
binder_release_work(proc, &thread->todo);
trace_android_vh_binder_thread_release(proc, thread);
binder_thread_dec_tmpref(thread);
return active_transactions;
}
@@ -5671,6 +5673,7 @@ static int binder_ioctl_write_read(struct file *filp, unsigned long arg,
if (!binder_worklist_empty_ilocked(&proc->todo) || has_special_work)
binder_wakeup_proc_ilocked(proc);
binder_inner_proc_unlock(proc);
trace_android_vh_binder_read_done(proc, thread);
if (ret < 0) {
if (copy_to_user(ubuf, &bwr, sizeof(bwr)))
ret = -EFAULT;
drivers/android/vendor_hooks.c
+3
View File
@@ -620,3 +620,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_split_huge_page_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_try_split_folio_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_scmi_limit_notify_cb);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_fiq_dump);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_looper_state_registered);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_thread_release);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_read_done);
include/trace/hooks/binder.h
+9
View File
@@ -137,6 +137,15 @@ DECLARE_HOOK(android_vh_binder_new_ref,
DECLARE_HOOK(android_vh_binder_del_ref,
TP_PROTO(struct binder_proc *proc, uint32_t ref_desc),
TP_ARGS(proc, ref_desc));
DECLARE_HOOK(android_vh_binder_looper_state_registered,
TP_PROTO(struct binder_thread *thread, struct binder_proc *proc),
TP_ARGS(thread, proc));
DECLARE_HOOK(android_vh_binder_thread_release,
TP_PROTO(struct binder_proc *proc, struct binder_thread *thread),
TP_ARGS(proc, thread));
DECLARE_HOOK(android_vh_binder_read_done,
TP_PROTO(struct binder_proc *proc, struct binder_thread *thread),
TP_ARGS(proc, thread));
#endif /* _TRACE_HOOK_BINDER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>