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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: 333220630
Change-Id: I9be59ed88675c5102c57ba9cbd26cf4df3d2fd7f
Signed-off-by: liliangliang <liliangliang@vivo.com>
(cherry picked from commit e520c2932df0d1bbf83ae45c82ac01fd41655d77)
This commit is contained in:
liliangliang
2024-04-07 15:19:02 +08:00
committed by Treehugger Robot
parent f9840ee562
commit 40f3c9d658
3 changed files with 31 additions and 0 deletions
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3
drivers/android/vendor_hooks.c
View File

@@ -73,6 +73,7 @@
#include <trace/hooks/delayacct.h>
#include <trace/hooks/usb.h>
#include <trace/hooks/sound.h>
#include <trace/hooks/fuse.h>
/*
* Export tracepoints that act as a bare tracehook (ie: have no trace event
@@ -417,3 +418,5 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_hibernate_save_cmp_len);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_read_lazy_flag);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_tsk_need_resched_lazy);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_read_fault);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_queue_request_and_unlock);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_fuse_request_end);

4
fs/fuse/dev.c
View File

@@ -23,6 +23,8 @@
#include <linux/splice.h>
#include <linux/sched.h>
#include <trace/hooks/fuse.h>
MODULE_ALIAS_MISCDEV(FUSE_MINOR);
MODULE_ALIAS("devname:fuse");
@@ -234,6 +236,7 @@ __releases(fiq->lock)
fuse_len_args(req->args->in_numargs,
(struct fuse_arg *) req->args->in_args);
list_add_tail(&req->list, &fiq->pending);
trace_android_vh_queue_request_and_unlock(&fiq->waitq, sync);
fiq->ops->wake_pending_and_unlock(fiq, sync);
}
@@ -331,6 +334,7 @@ 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))

24
include/trace/hooks/fuse.h Normal file
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_queue_request_and_unlock,
TP_PROTO(struct wait_queue_head *wq_head, bool sync),
TP_ARGS(wq_head, sync));
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>