linux-kernel - Re: [PATCH v3 2.6.39-rc1-tip 22/26] 22: perf: rename target

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Date:	Mon, 04 Apr 2011 19:06:06 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linux-mm <linux-mm@...ck.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	Jonathan Corbet <corbet@....net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	SystemTap <systemtap@...rces.redhat.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	Roland McGrath <roland@...k.frob.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"2nddept-manager@....hitachi.co.jp" 
	<2nddept-manager@....hitachi.co.jp>
Subject: Re: [PATCH v3 2.6.39-rc1-tip 22/26] 22: perf: rename target_module
 to target

(2011/04/01 23:36), Srikar Dronamraju wrote:
> This is a precursor patch that modifies names that refer to kernel/module
> to also refer to user space names.
> 
> Signed-off-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
> ---
>  tools/perf/builtin-probe.c    |   12 ++++++------
>  tools/perf/util/probe-event.c |    6 +++---
>  2 files changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
> index 2c0e64d..98db08f 100644
> --- a/tools/perf/builtin-probe.c
> +++ b/tools/perf/builtin-probe.c
> @@ -61,7 +61,7 @@ static struct {
>  	struct perf_probe_event events[MAX_PROBES];
>  	struct strlist *dellist;
>  	struct line_range line_range;
> -	const char *target_module;
> +	const char *target;
>  	int max_probe_points;
>  	struct strfilter *filter;
>  } params;
> @@ -241,7 +241,7 @@ static const struct option options[] = {
>  		   "file", "vmlinux pathname"),
>  	OPT_STRING('s', "source", &symbol_conf.source_prefix,
>  		   "directory", "path to kernel source"),
> -	OPT_STRING('m', "module", &params.target_module,
> +	OPT_STRING('m', "module", &params.target,
>  		   "modname", "target module name"),
>  #endif
>  	OPT__DRY_RUN(&probe_event_dry_run),
> @@ -327,7 +327,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
>  		if (!params.filter)
>  			params.filter = strfilter__new(DEFAULT_FUNC_FILTER,
>  						       NULL);
> -		ret = show_available_funcs(params.target_module,
> +		ret = show_available_funcs(params.target,
>  					   params.filter);
>  		strfilter__delete(params.filter);
>  		if (ret < 0)
> @@ -348,7 +348,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
>  			usage_with_options(probe_usage, options);
>  		}
>  
> -		ret = show_line_range(&params.line_range, params.target_module);
> +		ret = show_line_range(&params.line_range, params.target);
>  		if (ret < 0)
>  			pr_err("  Error: Failed to show lines. (%d)\n", ret);
>  		return ret;
> @@ -365,7 +365,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
>  
>  		ret = show_available_vars(params.events, params.nevents,
>  					  params.max_probe_points,
> -					  params.target_module,
> +					  params.target,
>  					  params.filter,
>  					  params.show_ext_vars);
>  		strfilter__delete(params.filter);
> @@ -387,7 +387,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
>  	if (params.nevents) {
>  		ret = add_perf_probe_events(params.events, params.nevents,
>  					    params.max_probe_points,
> -					    params.target_module,
> +					    params.target,
>  					    params.force_add);
>  		if (ret < 0) {
>  			pr_err("  Error: Failed to add events. (%d)\n", ret);
> diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
> index 5ddee66..09c53c1 100644
> --- a/tools/perf/util/probe-event.c
> +++ b/tools/perf/util/probe-event.c
> @@ -1979,7 +1979,7 @@ static int filter_available_functions(struct map *map __unused,
>  	return 1;
>  }
>  
> -int show_available_funcs(const char *module, struct strfilter *_filter)
> +int show_available_funcs(const char *elfobject, struct strfilter *_filter)
>  {
>  	struct map *map;
>  	int ret;
> @@ -1990,9 +1990,9 @@ int show_available_funcs(const char *module, struct strfilter *_filter)
>  	if (ret < 0)
>  		return ret;
>  
> -	map = kernel_get_module_map(module);
> +	map = kernel_get_module_map(elfobject);
>  	if (!map) {
> -		pr_err("Failed to find %s map.\n", (module) ? : "kernel");
> +		pr_err("Failed to find %s map.\n", (elfobject) ? : "kernel");

Hmm, these changes(module -> elfobject) are put back by the next patch.
Could you check your patch stack?

Thank you,

-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com
--
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