[lttng-dev] [PATCH lttng-modules] Fix: blktrace instrumentation for backported branches

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Sat Jun 7 11:17:13 EDT 2014


----- Original Message -----

> From: "Mathieu Desnoyers" <mathieu.desnoyers at efficios.com>
> To: "Antoine Busque" <antoine.busque at efficios.com>
> Cc: lttng-dev at lists.lttng.org
> Sent: Saturday, June 7, 2014 11:16:14 AM
> Subject: Re: [lttng-dev] [PATCH lttng-modules] Fix: blktrace instrumentation
> for backported branches

> ----- Original Message -----

> > From: "Antoine Busque" <antoine.busque at efficios.com>
> 
> > To: lttng-dev at lists.lttng.org
> 
> > Sent: Friday, June 6, 2014 6:00:59 PM
> 
> > Subject: [lttng-dev] [PATCH lttng-modules] Fix: blktrace instrumentation
> > for
> > backported branches
> 

> > The following commit from kernel 3.15 changing the API of a block layer
> 
> > tracepoint has been backported to multiple branches:
> 

> > commit af5040da01ef980670b3741b3e10733ee3e33566
> 
> > Author: Roman Pen < r.peniaev at gmail.com >
> 
> > Date: Tue Mar 4 23:13:10 2014 +0900
> 

> > blktrace: fix accounting of partially completed requests
> 

> > This patch fixes the resulting build failure by adding the proper
> 
> > version checks. The versions and corresponding commit SHA-1 hashes are
> 
> > as follow:
> 

> > 3.2.58
> 
> > commit 5b85afa68e4f56c27f1d5c6f49e5257bce6448e6
> 

> > 3.4.91
> 
> > commit 14eee5bd065d6aac0acbdc6092a25ba68c55b9c8
> 

> > 3.10.41
> 
> > commit e9d933941569c107e0083c3c115467c699a57db2
> 

> > 3.12.21
> 
> > commit 5104b40a981d26212ced149fbd43ad0b6b72910b
> 

> > 3.14.15
> 
> > commit 0a8eda9c00ef37e8b40de77f2b0714317191bcf2
> 

> > Signed-off-by: Antoine Busque < antoine.busque at efficios.com >
> 
> > ---
> 
> > instrumentation/events/lttng-module/block.h | 7 +++++--
> 
> > 1 file changed, 5 insertions(+), 2 deletions(-)
> 

> > diff --git a/instrumentation/events/lttng-module/block.h
> > b/instrumentation/events/lttng-module/block.h
> 
> > index 4f3460e..5684153 100644
> 
> > --- a/instrumentation/events/lttng-module/block.h
> 
> > +++ b/instrumentation/events/lttng-module/block.h
> 
> > @@ -221,8 +221,11 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
> 
> > TP_ARGS(q, rq)
> 
> > )
> 

> > -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0) \
> 
> > - || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0))
> 
> > +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5) \
> 
> > + || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \
> 
> > + || LTTNG_KERNEL_RANGE(3,4,91, 3,5,1) \
> 
> > + || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \
> 
> > + || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0))
> 

> It looks like your mail client turns tabs into spaces. Can you fix and
> re-send ?

git-send-email is very likely what you'll want to use. 

Thanks, 

Mathieu 

> thanks,

> Mathieu

> > /**
> 
> > * block_rq_complete - block IO operation completed by device driver
> 
> > --
> 
> > 2.0.0
> 

> > _______________________________________________
> 
> > lttng-dev mailing list
> 
> > lttng-dev at lists.lttng.org
> 
> > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
> 

> --
> Mathieu Desnoyers
> EfficiOS Inc.
> http://www.efficios.com

-- 
Mathieu Desnoyers 
EfficiOS Inc. 
http://www.efficios.com 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lttng.org/pipermail/lttng-dev/attachments/20140607/28e45306/attachment.html>


More information about the lttng-dev mailing list