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