Re: [lttng-dev] Babeltrace performance issue in live-reading mode

Hi, > > > I think the root cause is that the parsing and printing process is a bit > > slow. So i want to know if there > > > are any method to improve the performance of this process. > > > > A simple experiment would be to run a bounded workload > > to perform a quick timing evaluation of

Re: [lttng-dev] Babeltrace performance issue in live-reading mode

Hi, On Thu, Sep 21, 2017 at 11:03 PM, Jonathan Rajotte Julien < jonathan.rajotte-jul...@efficios.com> wrote: > Hi, > > On 2017-09-21 05:34 AM, liguang li wrote: > > Hi, > > > > On Wed, Sep 20, 2017 at 10:58 PM, Jonathan Rajotte Julien < > jonathan.rajotte-jul...@efficios.com

Re: [lttng-dev] Babeltrace performance issue in live-reading mode

Hi, On 2017-09-21 05:34 AM, liguang li wrote: > Hi, > > On Wed, Sep 20, 2017 at 10:58 PM, Jonathan Rajotte Julien > > wrote: > > Hi, > > On 2017-09-20 05:12 AM, liguang li wrote: > > > > >

Re: [lttng-dev] Babeltrace performance issue in live-reading mode

Hi, On Wed, Sep 20, 2017 at 10:58 PM, Jonathan Rajotte Julien < jonathan.rajotte-jul...@efficios.com> wrote: > Hi, > > On 2017-09-20 05:12 AM, liguang li wrote: > > > > > > On Tue, Sep 19, 2017 at 10:57 PM, Jonathan Rajotte-Julien < > jonathan.rajotte-jul...@efficios.com

Re: [lttng-dev] Babeltrace performance issue in live-reading mode

Hi, On 2017-09-20 05:12 AM, liguang li wrote: > > > On Tue, Sep 19, 2017 at 10:57 PM, Jonathan Rajotte-Julien > > wrote: > > On Tue, Sep 19, 2017 at 03:53:27PM +0800, liguang li wrote: > >    Hi, >

Re: [lttng-dev] Babeltrace performance issue in live-reading mode

On Tue, Sep 19, 2017 at 10:57 PM, Jonathan Rajotte-Julien < jonathan.rajotte-jul...@efficios.com> wrote: > On Tue, Sep 19, 2017 at 03:53:27PM +0800, liguang li wrote: > >Hi, > >On Mon, Sep 18, 2017 at 11:18 PM, Jonathan Rajotte-Julien > ><[1]jonathan.rajotte-jul...@efficios.com>

Re: [lttng-dev] Babeltrace performance issue in live-reading mode

On Tue, Sep 19, 2017 at 03:53:27PM +0800, liguang li wrote: >Hi, >On Mon, Sep 18, 2017 at 11:18 PM, Jonathan Rajotte-Julien ><[1]jonathan.rajotte-jul...@efficios.com> wrote: > > Hi, > On Mon, Sep 18, 2017 at 11:32:07AM +0800, liguang li wrote: > >    Hi, > > >

Re: [lttng-dev] Babeltrace performance issue in live-reading mode

Hi, On Mon, Sep 18, 2017 at 11:18 PM, Jonathan Rajotte-Julien < jonathan.rajotte-jul...@efficios.com> wrote: > Hi, > > On Mon, Sep 18, 2017 at 11:32:07AM +0800, liguang li wrote: > >Hi, > > > >Create a session in live-reading mode, run a application which having > very > >high event

Re: [lttng-dev] Babeltrace performance issue in live-reading mode

Hi, On Mon, Sep 18, 2017 at 11:32:07AM +0800, liguang li wrote: >Hi, > >Create a session in live-reading mode, run a application which having very >high event throughput, then prints >the events with babeltrace. We found the live trace viewer are viewing >events a few seconds

[lttng-dev] Babeltrace performance issue in live-reading mode

Hi, Create a session in live-reading mode, run a application which having very high event throughput, then prints the events with babeltrace. We found the live trace viewer are viewing events a few seconds ago, and as time goes on, the delay will be bigger and bigger. I checked the source code,