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ANDROID: vendor_hooks: add vendor hooks for fuse request

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Add hooks to fuse queue request and request end so we can do boost
to those background tasks which block the UX related task.

Bug: 411279935
Change-Id: I349520b7e95a112d011af1c8b1b4c322ee61a7f5
Signed-off-by: liliangliang <liliangliang@vivo.com>
This commit is contained in:
liliangliang
2024-04-07 15:19:02 +08:00
committed by Todd Kjos
parent aa97a1ca20
commit 6e8c49bd14
3 changed files with 30 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/android/vendor_hooks.c
+3
View File
@@ -70,6 +70,7 @@
#include <trace/events/android_vendor_lmk.h>
#include <trace/hooks/blk.h>
#include <trace/hooks/fsnotify.h>
#include <trace/hooks/fuse.h>
/*
* Export tracepoints that act as a bare tracehook (ie: have no trace event
@@ -365,6 +366,8 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_flush_wq_wait_start);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_flush_wq_wait_finish);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_flush_work_wait_start);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_flush_work_wait_finish);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_fuse_request_send);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_fuse_request_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tcp_sock_error);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tcp_fastsyn);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tcp_state_change);
fs/fuse/dev.c
+3
View File
@@ -22,6 +22,7 @@
#include <linux/swap.h>
#include <linux/splice.h>
#include <linux/sched.h>
#include <trace/hooks/fuse.h>
#define CREATE_TRACE_POINTS
#include "fuse_trace.h"
@@ -402,6 +403,7 @@ void fuse_request_end(struct fuse_req *req)
} else {
/* Wake up waiter sleeping in request_wait_answer() */
wake_up(&req->waitq);
trace_android_vh_fuse_request_end(current);
}
if (test_bit(FR_ASYNC, &req->flags))
@@ -476,6 +478,7 @@ static void __fuse_request_send(struct fuse_req *req)
BUG_ON(test_bit(FR_BACKGROUND, &req->flags));
trace_android_vh_fuse_request_send(&fiq->waitq);
/* acquire extra reference, since request is still needed after
fuse_request_end() */
__fuse_get_request(req);
include/trace/hooks/fuse.h
+24
View File
@@ -0,0 +1,24 @@
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM fuse
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH trace/hooks
#if !defined(_TRACE_HOOK_FUSE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HOOK_FUSE_H
#include <trace/hooks/vendor_hooks.h>
/*
* Following tracepoints are not exported in tracefs and provide a
* mechanism for vendor modules to hook and extend functionality
*/
struct wait_queue_head;
DECLARE_HOOK(android_vh_fuse_request_send,
TP_PROTO(struct wait_queue_head *wq_head),
TP_ARGS(wq_head));
DECLARE_HOOK(android_vh_fuse_request_end,
TP_PROTO(struct task_struct *self),
TP_ARGS(self));
#endif /* _TRACE_HOOK_FUSE_H */
/* This part must be outside protection */
#include <trace/define_trace.h>