Messages in this thread | | | Date | Sun, 29 Oct 2017 21:59:58 +0100 | From | Greg KH <> | Subject | Re: [PATCH 10/17] hyper-v: trace vmbus_open() |
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On Sun, Oct 29, 2017 at 12:21:09PM -0700, kys@exchange.microsoft.com wrote: > From: Vitaly Kuznetsov <vkuznets@redhat.com> > > Add tracepoint to CHANNELMSG_OPENCHANNEL sender. > > Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> > Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> > --- > drivers/hv/channel.c | 2 ++ > drivers/hv/hv_trace.h | 27 +++++++++++++++++++++++++++ > 2 files changed, 29 insertions(+) > > diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c > index a406beb10dd0..739b3fe1e0fb 100644 > --- a/drivers/hv/channel.c > +++ b/drivers/hv/channel.c > @@ -185,6 +185,8 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, > ret = vmbus_post_msg(open_msg, > sizeof(struct vmbus_channel_open_channel), true); > > + trace_vmbus_open(open_msg, ret);
Why add tracepoints for things that ftrace can handle automatically?
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