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Date: Mon, 29 Dec 2014 13:11:25 -0800 From: Laura Abbott <lauraa@...eaurora.org> To: "Stefan I. Strogin" <s.strogin@...tner.samsung.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org CC: Joonsoo Kim <iamjoonsoo.kim@....com>, Andrew Morton <akpm@...ux-foundation.org>, Marek Szyprowski <m.szyprowski@...sung.com>, Michal Nazarewicz <mina86@...a86.com>, aneesh.kumar@...ux.vnet.ibm.com, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Dmitry Safonov <d.safonov@...tner.samsung.com>, Pintu Kumar <pintu.k@...sung.com>, Weijie Yang <weijie.yang@...sung.com>, SeongJae Park <sj38.park@...il.com>, Hui Zhu <zhuhui@...omi.com>, Minchan Kim <minchan@...nel.org>, Dyasly Sergey <s.dyasly@...sung.com>, Vyacheslav Tyrtov <v.tyrtov@...sung.com> Subject: Re: [PATCH 2/3] mm: cma: introduce /proc/cmainfo On 12/26/2014 6:39 AM, Stefan I. Strogin wrote: > /proc/cmainfo contains a list of currently allocated CMA buffers for every > CMA area when CONFIG_CMA_DEBUG is enabled. > > Format is: > > <base_phys_addr> - <end_phys_addr> (<size> kB), allocated by <PID>\ > (<command name>), latency <allocation latency> us > <stack backtrace when the buffer had been allocated> > > Signed-off-by: Stefan I. Strogin <s.strogin@...tner.samsung.com> > --- ... > +static int __init proc_cmainfo_init(void) > +{ > + proc_create("cmainfo", S_IRUSR, NULL, &proc_cmainfo_operations); > + return 0; > +} > + > +module_init(proc_cmainfo_init); > +#endif /* CONFIG_CMA_DEBUG */ > This seems better suited to debugfs over procfs, especially since the option can be turned off. It would be helpful to break it down by cma region as well to make it easier on systems with a lot of regions. Thanks, Laura -- Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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