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From: Wathsala Wathawana Vithanage <wathsala.vithanage@arm.com>
To: Vipin Varghese <vipin.varghese@amd.com>,
	"ferruh.yigit@amd.com" <ferruh.yigit@amd.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: nd <nd@arm.com>, nd <nd@arm.com>
Subject: RE: [RFC 1/2] eal: add llc aware functions
Date: Tue, 27 Aug 2024 20:56:18 +0000	[thread overview]
Message-ID: <PR3PR08MB585076DE53D0FEBFFDEE28999F942@PR3PR08MB5850.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20240827151014.201-2-vipin.varghese@amd.com>

> -unsigned int rte_get_next_lcore(unsigned int i, int skip_main, int wrap)
> +#define LCORE_GET_LLC   \
> +		"ls -d /sys/bus/cpu/devices/cpu%u/cache/index[0-9] | sort  -r
> | grep -m1 index[0-9] | awk -F '[x]' '{print $2}' "
> 

This won't work for some SOCs. 
How to ensure the index you got is for an LLC? Some SOCs may only show upper-level caches here, therefore cannot be use blindly without knowing the SOC.
Also, unacceptable to execute a shell script, consider implementing in C.

--wathsala



  parent reply	other threads:[~2024-08-27 20:56 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-27 15:10 [RFC 0/2] introduce LLC " Vipin Varghese
2024-08-27 15:10 ` [RFC 1/2] eal: add llc " Vipin Varghese
2024-08-27 17:36   ` Stephen Hemminger
2024-09-02  0:27     ` Varghese, Vipin
2024-08-27 20:56   ` Wathsala Wathawana Vithanage [this message]
2024-08-29  3:21     ` 答复: " Feifei Wang
2024-09-02  1:20     ` Varghese, Vipin
2024-09-03 17:54       ` Wathsala Wathawana Vithanage
2024-09-04  8:18         ` Bruce Richardson
2024-09-06 11:59         ` Varghese, Vipin
2024-09-12 16:58           ` Wathsala Wathawana Vithanage
2024-08-27 15:10 ` [RFC 2/2] eal/lcore: add llc aware for each macro Vipin Varghese
2024-08-27 21:23 ` [RFC 0/2] introduce LLC aware functions Mattias Rönnblom
2024-09-02  0:39   ` Varghese, Vipin
2024-09-04  9:30     ` Mattias Rönnblom
2024-09-04 14:37       ` Stephen Hemminger
2024-09-11  3:13         ` Varghese, Vipin
2024-09-11  3:53           ` Stephen Hemminger
2024-09-12  1:11             ` Varghese, Vipin
2024-09-09 14:22       ` Varghese, Vipin
2024-09-09 14:52         ` Mattias Rönnblom
2024-09-11  3:26           ` Varghese, Vipin
2024-09-11 15:55             ` Mattias Rönnblom
2024-09-11 17:04               ` Honnappa Nagarahalli
2024-09-12  1:33                 ` Varghese, Vipin
2024-09-12  6:38                   ` Mattias Rönnblom
2024-09-12  7:02                     ` Mattias Rönnblom
2024-09-12 11:23                       ` Varghese, Vipin
2024-09-12 12:12                         ` Mattias Rönnblom
2024-09-12 15:50                           ` Stephen Hemminger
2024-09-12 11:17                     ` Varghese, Vipin
2024-09-12 11:59                       ` Mattias Rönnblom
2024-09-12 13:30                         ` Bruce Richardson
2024-09-12 16:32                           ` Mattias Rönnblom
2024-09-12  2:28                 ` Varghese, Vipin
2024-09-11 16:01             ` Bruce Richardson
2024-09-11 22:25               ` Konstantin Ananyev
2024-09-12  2:38                 ` Varghese, Vipin
2024-09-12  2:19               ` Varghese, Vipin
2024-09-12  9:17                 ` Bruce Richardson
2024-09-12 11:50                   ` Varghese, Vipin
2024-09-13 14:15                     ` Burakov, Anatoly
2024-09-12 13:18                   ` Mattias Rönnblom
2024-08-28  8:38 ` Burakov, Anatoly
2024-09-02  1:08   ` Varghese, Vipin
2024-09-02 14:17     ` Burakov, Anatoly
2024-09-02 15:33       ` Varghese, Vipin
2024-09-03  8:50         ` Burakov, Anatoly
2024-09-05 13:05           ` Ferruh Yigit
2024-09-05 14:45             ` Burakov, Anatoly
2024-09-05 15:34               ` Ferruh Yigit
2024-09-06  8:44                 ` Burakov, Anatoly
2024-09-09 14:14                   ` Varghese, Vipin

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