Re: Re: Why blktrace didn't trace requests merge?

2012-09-18 Thread Jianpeng Ma
On 2012-09-18 13:49 Jens Axboe Wrote: >On 2012-09-18 02:30, Jianpeng Ma wrote: >> On 2012-09-18 02:27 Jens Axboe Wrote: >>> On 2012-09-17 19:55, Tejun Heo wrote: (cc'ing Jens) On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: > On Mon, 2012-09-17 at 19:33 +0800,

Re: Re: Why blktrace didn't trace requests merge?

2012-09-18 Thread Jianpeng Ma
On 2012-09-18 13:49 Jens Axboe ax...@kernel.dk Wrote: On 2012-09-18 02:30, Jianpeng Ma wrote: On 2012-09-18 02:27 Jens Axboe ax...@kernel.dk Wrote: On 2012-09-17 19:55, Tejun Heo wrote: (cc'ing Jens) On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: On Mon, 2012-09-17 at 19:33

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Jens Axboe
On 2012-09-18 02:30, Jianpeng Ma wrote: > On 2012-09-18 02:27 Jens Axboe Wrote: >> On 2012-09-17 19:55, Tejun Heo wrote: >>> (cc'ing Jens) >>> >>> On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: > Hi all: > I

Re: Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Jianpeng Ma
On 2012-09-18 02:27 Jens Axboe Wrote: >On 2012-09-17 19:55, Tejun Heo wrote: >> (cc'ing Jens) >> >> On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: >>> On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: Hi all: I used blktrace to trace some io.But i can't find

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Jens Axboe
On 2012-09-17 19:55, Tejun Heo wrote: > (cc'ing Jens) > > On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: >> On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: >>> Hi all: >>> I used blktrace to trace some io.But i can't find requests merge. I >>> searched the code and

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread KOSAKI Motohiro
(9/17/12 1:55 PM), Tejun Heo wrote: > (cc'ing Jens) > > On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: >> On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: >>> Hi all: >>> I used blktrace to trace some io.But i can't find requests merge. I >>> searched the code and did't

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Tejun Heo
(cc'ing Jens) On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: > On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: > > Hi all: > > I used blktrace to trace some io.But i can't find requests merge. I > > searched the code and did't not find. > > Why? > >

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Steven Rostedt
On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: > Hi all: > I used blktrace to trace some io.But i can't find requests merge. I > searched the code and did't not find. > Why? > No idea. I don't use blktrace

Why blktrace didn't trace requests merge?

2012-09-17 Thread Jianpeng Ma
Hi all: I used blktrace to trace some io.But i can't find requests merge. I searched the code and did't not find. Why? Thanks!

Why blktrace didn't trace requests merge?

2012-09-17 Thread Jianpeng Ma
Hi all: I used blktrace to trace some io.But i can't find requests merge. I searched the code and did't not find. Why? Thanks!

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Steven Rostedt
On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: Hi all: I used blktrace to trace some io.But i can't find requests merge. I searched the code and did't not find. Why? No idea. I don't use blktrace

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Tejun Heo
(cc'ing Jens) On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: Hi all: I used blktrace to trace some io.But i can't find requests merge. I searched the code and did't not find. Why?

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread KOSAKI Motohiro
(9/17/12 1:55 PM), Tejun Heo wrote: (cc'ing Jens) On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: Hi all: I used blktrace to trace some io.But i can't find requests merge. I searched the code and did't not find.

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Jens Axboe
On 2012-09-17 19:55, Tejun Heo wrote: (cc'ing Jens) On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: Hi all: I used blktrace to trace some io.But i can't find requests merge. I searched the code and did't not find.

Re: Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Jianpeng Ma
On 2012-09-18 02:27 Jens Axboe ax...@kernel.dk Wrote: On 2012-09-17 19:55, Tejun Heo wrote: (cc'ing Jens) On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: Hi all: I used blktrace to trace some io.But i can't find

Re: Why blktrace didn't trace requests merge?

2012-09-17 Thread Jens Axboe
On 2012-09-18 02:30, Jianpeng Ma wrote: On 2012-09-18 02:27 Jens Axboe ax...@kernel.dk Wrote: On 2012-09-17 19:55, Tejun Heo wrote: (cc'ing Jens) On Mon, Sep 17, 2012 at 09:22:28AM -0400, Steven Rostedt wrote: On Mon, 2012-09-17 at 19:33 +0800, Jianpeng Ma wrote: Hi all: I used blktrace