linux-kernel - Re: [RFC patch 26/32] trace event gfs2 remove semicolons

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Date:	Tue, 3 May 2011 17:13:28 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Steven Whitehouse <swhiteho@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [RFC patch 26/32] trace event gfs2 remove semicolons

* Steven Whitehouse (swhiteho@...hat.com) wrote:
> Hi,
> 
> On Mon, 2011-05-02 at 17:11 -0400, Mathieu Desnoyers wrote:
> > plain text document attachment
> > (trace-event-gfs2-remove-semicolons.patch)
> > Part of the gradual TRACE_EVENT() semicolon removal. Enables creation of array
> > of events, thus saving space for trace event probes.  Remove extra trailing
> > semicolons at the end of GFS2 trace event declarations.
> > 
> Note that there is a new tracepoint for GFS2 currently awaiting the next
> merge window in the GFS2 -nmw git tree, so that will need to be patched
> too. Otherwise, looks good to me,

Thanks! We'll fix it when it gets merged. I'll add a note to that effect
in the patch changelog.

Mathieu

> 
> Steve.
> 
> > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
> > Acked-by: Steven Whitehouse <swhiteho@...hat.com>
> > CC: Steven Rostedt <rostedt@...dmis.org>
> > CC: Frederic Weisbecker <fweisbec@...il.com>
> > CC: Ingo Molnar <mingo@...e.hu>
> > CC: Thomas Gleixner <tglx@...utronix.de>
> > ---
> >  fs/gfs2/trace_gfs2.h |   26 +++++++++++++-------------
> >  1 file changed, 13 insertions(+), 13 deletions(-)
> > 
> > Index: linux-2.6-lttng/fs/gfs2/trace_gfs2.h
> > ===================================================================
> > --- linux-2.6-lttng.orig/fs/gfs2/trace_gfs2.h
> > +++ linux-2.6-lttng/fs/gfs2/trace_gfs2.h
> > @@ -42,8 +42,8 @@
> >  	{(1UL << GLF_FROZEN),			"F" },		\
> >  	{(1UL << GLF_QUEUED),			"q" })
> >  
> > -#ifndef NUMPTY
> > -#define NUMPTY
> > +#ifndef _TRACE_GFS2_DEF_
> > +#define _TRACE_GFS2_DEF_
> >  static inline u8 glock_trace_state(unsigned int state)
> >  {
> >  	switch(state) {
> > @@ -56,7 +56,7 @@ static inline u8 glock_trace_state(unsig
> >  	}
> >  	return DLM_LOCK_NL;
> >  }
> > -#endif
> > +#endif /* _TRACE_GFS2_DEF_ */
> >  
> >  /* Section 1 - Locking
> >   *
> > @@ -105,7 +105,7 @@ TRACE_EVENT(gfs2_glock_state_change,
> >  		  glock_trace_name(__entry->tgt_state),
> >  		  glock_trace_name(__entry->dmt_state),
> >  		  show_glock_flags(__entry->flags))
> > -);
> > +)
> >  
> >  /* State change -> unlocked, glock is being deallocated */
> >  TRACE_EVENT(gfs2_glock_put,
> > @@ -137,7 +137,7 @@ TRACE_EVENT(gfs2_glock_put,
> >  		  glock_trace_name(DLM_LOCK_IV),
> >  		  show_glock_flags(__entry->flags))
> >  
> > -);
> > +)
> >  
> >  /* Callback (local or remote) requesting lock demotion */
> >  TRACE_EVENT(gfs2_demote_rq,
> > @@ -171,7 +171,7 @@ TRACE_EVENT(gfs2_demote_rq,
> >                    glock_trace_name(__entry->dmt_state),
> >  		  show_glock_flags(__entry->flags))
> >  
> > -);
> > +)
> >  
> >  /* Promotion/grant of a glock */
> >  TRACE_EVENT(gfs2_promote,
> > @@ -201,7 +201,7 @@ TRACE_EVENT(gfs2_promote,
> >  		  (unsigned long long)__entry->glnum,
> >  		  __entry->first ? "first": "other",
> >  		  glock_trace_name(__entry->state))
> > -);
> > +)
> >  
> >  /* Queue/dequeue a lock request */
> >  TRACE_EVENT(gfs2_glock_queue,
> > @@ -231,7 +231,7 @@ TRACE_EVENT(gfs2_glock_queue,
> >  		  (unsigned long long)__entry->glnum,
> >  		  __entry->queue ? "" : "de",
> >  		  glock_trace_name(__entry->state))
> > -);
> > +)
> >  
> >  /* Section 2 - Log/journal
> >   *
> > @@ -270,7 +270,7 @@ TRACE_EVENT(gfs2_pin,
> >  		  (unsigned long long)__entry->block,
> >  		  (unsigned long)__entry->len,
> >  		  (unsigned long long)__entry->ino)
> > -);
> > +)
> >  
> >  /* Flushing the log */
> >  TRACE_EVENT(gfs2_log_flush,
> > @@ -295,7 +295,7 @@ TRACE_EVENT(gfs2_log_flush,
> >  		  MAJOR(__entry->dev), MINOR(__entry->dev),
> >  		  __entry->start ? "start" : "end",
> >  		  (unsigned long long)__entry->log_seq)
> > -);
> > +)
> >  
> >  /* Reserving/releasing blocks in the log */
> >  TRACE_EVENT(gfs2_log_blocks,
> > @@ -316,7 +316,7 @@ TRACE_EVENT(gfs2_log_blocks,
> >  
> >  	TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev),
> >  		  MINOR(__entry->dev), __entry->blocks)
> > -);
> > +)
> >  
> >  /* Section 3 - bmap
> >   *
> > @@ -364,7 +364,7 @@ TRACE_EVENT(gfs2_bmap,
> >  		  (unsigned long long)__entry->pblock,
> >  		  __entry->state, __entry->create ? "create " : "nocreate",
> >  		  __entry->errno)
> > -);
> > +)
> >  
> >  /* Keep track of blocks as they are allocated/freed */
> >  TRACE_EVENT(gfs2_block_alloc,
> > @@ -396,7 +396,7 @@ TRACE_EVENT(gfs2_block_alloc,
> >  		  (unsigned long long)__entry->start,
> >  		  (unsigned long)__entry->len,
> >  		  block_state_name(__entry->block_state))
> > -);
> > +)
> >  
> >  #endif /* _TRACE_GFS2_H */
> >  
> > 
> 
> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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