Re: [PATCH v3] Add 4 tracepoint events for vfs

2013-01-30 Thread Al Viro
On Thu, Jan 31, 2013 at 03:40:38PM +0800, chenggang@gmail.com wrote: > @@ -1391,12 +1394,16 @@ generic_file_aio_read(struct kiocb *iocb, const > struct iovec *iov, > unsigned long seg = 0; > size_t count; > loff_t *ppos = >ki_pos; > + const unsigned char *f_name; > >

[PATCH v3] Add 4 tracepoint events for vfs

2013-01-30 Thread chenggang . qin
From: chenggang@gmail.com This version changed some type definition according to Steven's advise. Thanks for Steven. If the engineers want to analyze the file access behavior of some applications without source code, perf tools with some appropriate tracepoints events in the VFS subsystem

[PATCH v3] Add 4 tracepoint events for vfs

2013-01-30 Thread chenggang . qin
From: chenggang@gmail.com This version changed some type definition according to Steven's advise. Thanks for Steven. If the engineers want to analyze the file access behavior of some applications without source code, perf tools with some appropriate tracepoints events in the VFS subsystem

Re: [PATCH v3] Add 4 tracepoint events for vfs

2013-01-30 Thread Al Viro
On Thu, Jan 31, 2013 at 03:40:38PM +0800, chenggang@gmail.com wrote: @@ -1391,12 +1394,16 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, unsigned long seg = 0; size_t count; loff_t *ppos = iocb-ki_pos; + const unsigned char *f_name;