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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Don Wallwork <donw@xsightlabs.com>, <dev@dpdk.org>
Cc: <stephen@networkplumber.org>, <fengchengwen@huawei.com>,
	<mb@smartsharesystems.com>, <dmitry.kozliuk@gmail.com>,
	<bruce.richardson@intel.com>, <Honnappa.Nagarahalli@arm.com>,
	<nd@arm.com>, <haiyue.wang@intel.com>
Subject: Re: [PATCH v4] eal: allow worker lcore stacks to be allocated from hugepage memory
Date: Tue, 24 May 2022 15:40:46 +0100	[thread overview]
Message-ID: <d8e5825a-0756-52f8-c4f1-6e7f159e8b84@intel.com> (raw)
In-Reply-To: <20220517153136.23128-1-donw@xsightlabs.com>

On 17-May-22 4:31 PM, Don Wallwork wrote:
> Add support for using hugepages for worker lcore stack memory.  The
> intent is to improve performance by reducing stack memory related TLB
> misses and also by using memory local to the NUMA node of each lcore.
> 
> EAL option '--huge-worker-stack [stack-size-in-kbytes]' is added to allow
> the feature to be enabled at runtime.  If the size is not specified,
> the system pthread stack size will be used.
> 
> Signed-off-by: Don Wallwork <donw@xsightlabs.com>
> Acked-by: Morten Brørup <mb@smartsharesystems.com>
> ---

<snip>

> +++ b/lib/eal/common/eal_common_options.c
> @@ -103,6 +103,7 @@ eal_long_options[] = {
>   	{OPT_TELEMETRY,         0, NULL, OPT_TELEMETRY_NUM        },
>   	{OPT_NO_TELEMETRY,      0, NULL, OPT_NO_TELEMETRY_NUM     },
>   	{OPT_FORCE_MAX_SIMD_BITWIDTH, 1, NULL, OPT_FORCE_MAX_SIMD_BITWIDTH_NUM},
> +	{OPT_HUGE_WORKER_STACK, 2, NULL, OPT_HUGE_WORKER_STACK_NUM     },
>   
>   	{0,                     0, NULL, 0                        }
>   };
> @@ -1618,6 +1619,28 @@ eal_parse_huge_unlink(const char *arg, struct hugepage_file_discipline *out)
>   	return -1;
>   }
>   
> +#ifndef RTE_EXEC_ENV_WINDOWS

Why the #ifdef-ery? This is common code, I think we can just leave it 
there? You could just add a check for `huge_worker_stack_size` in 
Windows EAL to guard against using this setting for Windows, but 
otherwise I see no need for an #ifdef here.

-- 
Thanks,
Anatoly

  parent reply	other threads:[~2022-05-24 14:40 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-02 14:10 [PATCH] " Don Wallwork
2022-05-03  6:10 ` Morten Brørup
2022-05-03 13:08 ` Wang, Haiyue
2022-05-03 19:46   ` Don Wallwork
2022-05-04  3:08     ` Wang, Haiyue
2022-05-13 17:58 ` [PATCH v2] " Don Wallwork
2022-05-13 21:38   ` Stephen Hemminger
2022-05-16 19:43     ` Don Wallwork
2022-05-13 21:41   ` Stephen Hemminger
2022-05-14  3:31   ` fengchengwen
2022-05-16 19:47     ` Don Wallwork
2022-05-17  6:28       ` Morten Brørup
2022-05-16 19:50 ` [PATCH v3] " Don Wallwork
2022-05-16 20:28   ` Stephen Hemminger
2022-05-16 20:29     ` Don Wallwork
2022-05-17 15:31 ` [PATCH v4] " Don Wallwork
2022-05-17 15:56   ` Stephen Hemminger
2022-05-18 14:10     ` Don Wallwork
2022-05-20  8:30   ` fengchengwen
2022-05-23 22:35   ` Kathleen Capella
2022-05-24 13:48     ` Don Wallwork
2022-05-24 14:40   ` Burakov, Anatoly [this message]
2022-05-24 19:38     ` Don Wallwork
2022-05-24 19:46 ` [PATCH v5] " Don Wallwork
2022-05-24 19:51 ` [PATCH v6] " Don Wallwork
2022-06-01  0:05   ` Kathleen Capella
2022-06-20  8:35   ` David Marchand
2022-06-21 10:37     ` Thomas Monjalon
2022-06-21 12:31       ` Don Wallwork
2022-06-21 14:42         ` Thomas Monjalon
2022-06-21 14:52           ` Don Wallwork
2022-06-21 15:00             ` Thomas Monjalon
2022-06-21 16:32               ` Honnappa Nagarahalli
2022-06-21 19:33               ` David Marchand
2022-06-23 11:21 ` [PATCH v7] " Don Wallwork
2022-06-23 20:32   ` David Marchand

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