shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 19:08:57 +09:00
Code Issues Packages Projects Releases Wiki Activity

ANDROID: sched: add a counter to track fsync

Browse Source 
Change-Id: I6c138de5b2332eea70f57e098134d1d141247b3f
Signed-off-by: Jin Qian <jinqian@google.com>
This commit is contained in:
Jin Qian
2017-03-02 13:32:59 -08:00
committed by Amit Pundir
parent 1d7eb6de57
commit 6a0a471069
4 changed files with 12 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
fs/sync.c
View File

@@ -218,6 +218,7 @@ static int do_fsync(unsigned int fd, int datasync)
if (f.file) {
ret = vfs_fsync(f.file, datasync);
fdput(f);
inc_syscfs(current);
}
return ret;
}

8
include/linux/sched.h
View File

@@ -3227,6 +3227,11 @@ static inline void inc_syscw(struct task_struct *tsk)
{
tsk->ioac.syscw++;
}
static inline void inc_syscfs(struct task_struct *tsk)
{
tsk->ioac.syscfs++;
}
#else
static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
{
@@ -3243,6 +3248,9 @@ static inline void inc_syscr(struct task_struct *tsk)
static inline void inc_syscw(struct task_struct *tsk)
{
}
static inline void inc_syscfs(struct task_struct *tsk)
{
}
#endif
#ifndef TASK_SIZE_OF

2
include/linux/task_io_accounting.h
View File

@@ -18,6 +18,8 @@ struct task_io_accounting {
u64 syscr;
/* # of write syscalls */
u64 syscw;
/* # of fsync syscalls */
u64 syscfs;
#endif /* CONFIG_TASK_XACCT */
#ifdef CONFIG_TASK_IO_ACCOUNTING

1
include/linux/task_io_accounting_ops.h
View File

@@ -96,6 +96,7 @@ static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
dst->wchar += src->wchar;
dst->syscr += src->syscr;
dst->syscw += src->syscw;
dst->syscfs += src->syscfs;
}
#else
static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,