Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-12 Thread Wade Farnsworth
Hans Verkuil wrote: > On 12/11/2013 03:53 PM, Wade Farnsworth wrote: >> Hi Hans, >> >> Hans Verkuil wrote: >>> On 12/11/13 13:44, Mauro Carvalho Chehab wrote: Em Wed, 11 Dec 2013 12:53:55 +0100 Hans Verkuil escreveu: > Hi Mauro, > > On 12/11/13 11:44, Mauro Carvalho Cheh

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-12 Thread Hans Verkuil
On 12/11/2013 03:53 PM, Wade Farnsworth wrote: > Hi Hans, > > Hans Verkuil wrote: >> On 12/11/13 13:44, Mauro Carvalho Chehab wrote: >>> Em Wed, 11 Dec 2013 12:53:55 +0100 >>> Hans Verkuil escreveu: >>> Hi Mauro, On 12/11/13 11:44, Mauro Carvalho Chehab wrote: > Hans, > >>>

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-11 Thread Wade Farnsworth
Hi Hans, Hans Verkuil wrote: > On 12/11/13 13:44, Mauro Carvalho Chehab wrote: >> Em Wed, 11 Dec 2013 12:53:55 +0100 >> Hans Verkuil escreveu: >> >>> Hi Mauro, >>> >>> On 12/11/13 11:44, Mauro Carvalho Chehab wrote: Hans, Em Wed, 11 Dec 2013 08:29:58 +0100 Hans Verkuil escrev

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-11 Thread Mauro Carvalho Chehab
Em Wed, 11 Dec 2013 14:15:23 +0100 Hans Verkuil escreveu: > On 12/11/13 13:44, Mauro Carvalho Chehab wrote: > > Em Wed, 11 Dec 2013 12:53:55 +0100 > > Hans Verkuil escreveu: > > > >> Hi Mauro, > >> > >> On 12/11/13 11:44, Mauro Carvalho Chehab wrote: > >>> Hans, > >>> > >>> Em Wed, 11 Dec 2013

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-11 Thread Hans Verkuil
On 12/11/13 13:44, Mauro Carvalho Chehab wrote: > Em Wed, 11 Dec 2013 12:53:55 +0100 > Hans Verkuil escreveu: > >> Hi Mauro, >> >> On 12/11/13 11:44, Mauro Carvalho Chehab wrote: >>> Hans, >>> >>> Em Wed, 11 Dec 2013 08:29:58 +0100 >>> Hans Verkuil escreveu: >>> On 12/10/2013 09:53 PM, Maur

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-11 Thread Mauro Carvalho Chehab
Em Wed, 11 Dec 2013 12:53:55 +0100 Hans Verkuil escreveu: > Hi Mauro, > > On 12/11/13 11:44, Mauro Carvalho Chehab wrote: > > Hans, > > > > Em Wed, 11 Dec 2013 08:29:58 +0100 > > Hans Verkuil escreveu: > > > >> On 12/10/2013 09:53 PM, Mauro Carvalho Chehab wrote: > >>> Em Sat, 23 Nov 2013 17:

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-11 Thread Hans Verkuil
Hi Mauro, On 12/11/13 11:44, Mauro Carvalho Chehab wrote: > Hans, > > Em Wed, 11 Dec 2013 08:29:58 +0100 > Hans Verkuil escreveu: > >> On 12/10/2013 09:53 PM, Mauro Carvalho Chehab wrote: >>> Em Sat, 23 Nov 2013 17:54:48 +0100 >>> Hans Verkuil escreveu: >>> On 11/23/2013 05:30 PM, Sylwest

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-11 Thread Mauro Carvalho Chehab
Hans, Em Wed, 11 Dec 2013 08:29:58 +0100 Hans Verkuil escreveu: > On 12/10/2013 09:53 PM, Mauro Carvalho Chehab wrote: > > Em Sat, 23 Nov 2013 17:54:48 +0100 > > Hans Verkuil escreveu: > > > >> On 11/23/2013 05:30 PM, Sylwester Nawrocki wrote: > >>> Hi, > >>> > >>> On 11/23/2013 12:25 PM, Hans

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-10 Thread Hans Verkuil
On 12/10/2013 09:53 PM, Mauro Carvalho Chehab wrote: > Em Sat, 23 Nov 2013 17:54:48 +0100 > Hans Verkuil escreveu: > >> On 11/23/2013 05:30 PM, Sylwester Nawrocki wrote: >>> Hi, >>> >>> On 11/23/2013 12:25 PM, Hans Verkuil wrote: Hi Wade, On 11/22/2013 08:48 PM, Wade Farnsworth wro

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-12-10 Thread Mauro Carvalho Chehab
Em Sat, 23 Nov 2013 17:54:48 +0100 Hans Verkuil escreveu: > On 11/23/2013 05:30 PM, Sylwester Nawrocki wrote: > > Hi, > > > > On 11/23/2013 12:25 PM, Hans Verkuil wrote: > >> Hi Wade, > >> > >> On 11/22/2013 08:48 PM, Wade Farnsworth wrote: > >>> Add tracepoints to the QBUF and DQBUF ioctls to e

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-11-23 Thread Hans Verkuil
On 11/23/2013 05:30 PM, Sylwester Nawrocki wrote: > Hi, > > On 11/23/2013 12:25 PM, Hans Verkuil wrote: >> Hi Wade, >> >> On 11/22/2013 08:48 PM, Wade Farnsworth wrote: >>> Add tracepoints to the QBUF and DQBUF ioctls to enable rudimentary >>> performance measurements using standard kernel tracers

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-11-23 Thread Sylwester Nawrocki
Hi, On 11/23/2013 12:25 PM, Hans Verkuil wrote: Hi Wade, On 11/22/2013 08:48 PM, Wade Farnsworth wrote: Add tracepoints to the QBUF and DQBUF ioctls to enable rudimentary performance measurements using standard kernel tracers. Signed-off-by: Wade Farnsworth --- This is the update to the RFC

Re: [PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-11-23 Thread Hans Verkuil
Hi Wade, On 11/22/2013 08:48 PM, Wade Farnsworth wrote: > Add tracepoints to the QBUF and DQBUF ioctls to enable rudimentary > performance measurements using standard kernel tracers. > > Signed-off-by: Wade Farnsworth > --- > > This is the update to the RFC patch I posted a few weeks back. I'v

[PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-11-22 Thread Wade Farnsworth
Add tracepoints to the QBUF and DQBUF ioctls to enable rudimentary performance measurements using standard kernel tracers. Signed-off-by: Wade Farnsworth --- This is the update to the RFC patch I posted a few weeks back. I've added several bits of metadata to the tracepoint output per Mauro's

Re: [RFC][PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-10-31 Thread Mauro Carvalho Chehab
Hi Wade, Em Fri, 18 Oct 2013 08:03:21 -0700 Wade Farnsworth escreveu: > Greetings, > > We've found this patch helpful for making some simple performance > measurements on > V4L2 systems using the standard Linux tracers (FTRACE, LTTng, etc.), and were > wondering if the larger community would

[RFC][PATCH] v4l2-dev: Add tracepoints for QBUF and DQBUF

2013-10-18 Thread Wade Farnsworth
Greetings, We've found this patch helpful for making some simple performance measurements on V4L2 systems using the standard Linux tracers (FTRACE, LTTng, etc.), and were wondering if the larger community would find it useful to have this in mainline as well. This patch adds two tracepoints