linux-kernel - Re: [PATCH 5/5] perf tools: Transform nodes string info to struct

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 1 Jul 2016 08:17:39 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 5/5] perf tools: Transform nodes string info to struct

On Thu, Jun 30, 2016 at 06:20:09PM -0300, Arnaldo Carvalho de Melo wrote:

SNIP

> >  
> > +struct numa_node {
> > +	u32		 node;
> > +	u64		 mem_total;
> > +	u64		 mem_free;
> > +	struct cpu_map	*map;
> > +};
> > +
> >  struct perf_env {
> >  	char			*hostname;
> >  	char			*os_release;
> > @@ -33,18 +41,18 @@ struct perf_env {
> >  	int			nr_cmdline;
> >  	int			nr_sibling_cores;
> >  	int			nr_sibling_threads;
> > -	int			nr_numa_nodes;
> 
> why rename it from nr_numa_nodes to numa_nodes_cnt? Seems gratuitous and
> potentially introduces up to three 4 byte holes into 'struct perf_env'
> :-\

it goes along nicely with the caches/chaches_cnt ;-)

I'll change it back, np

jirka

> 
> Applied the other patches in this series,
> 
> Thanks,
> 
> - Arnaldo
> 
> >  	int			nr_pmu_mappings;
> >  	int			nr_groups;
> >  	char			*cmdline;
> >  	const char		**cmdline_argv;
> >  	char			*sibling_cores;
> >  	char			*sibling_threads;
> > -	char			*numa_nodes;
> >  	char			*pmu_mappings;
> >  	struct cpu_topology_map	*cpu;
> >  	struct cpu_cache_level	*caches;
> >  	int			 caches_cnt;
> > +	struct numa_node	*numa_nodes;
> > +	int			 numa_nodes_cnt;
> >  };

SNIP