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From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: "navasile@linux.microsoft.com" <navasile@linux.microsoft.com>
Cc: "Richardson, Bruce" <bruce.richardson@intel.com>,
	"david.marchand@redhat.com" <david.marchand@redhat.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"dmitry.kozliuk@gmail.com" <dmitry.kozliuk@gmail.com>,
	"dmitrym@microsoft.com" <dmitrym@microsoft.com>,
	"khot@microsoft.com" <khot@microsoft.com>,
	"navasile@microsoft.com" <navasile@microsoft.com>,
	"ocardona@microsoft.com" <ocardona@microsoft.com>,
	"Kadam, Pallavi" <pallavi.kadam@intel.com>,
	"roretzla@microsoft.com" <roretzla@microsoft.com>,
	 "talshn@nvidia.com" <talshn@nvidia.com>,
	"thomas@monjalon.net" <thomas@monjalon.net>
Subject: Re: [PATCH v18 2/8] eal: add thread attributes
Date: Fri, 4 Feb 2022 19:21:10 +0000	[thread overview]
Message-ID: <DM6PR11MB4491AD4C6FFFB6C8540FA87E9A299@DM6PR11MB4491.namprd11.prod.outlook.com> (raw)

> Implement thread attributes for:
> * thread affinity
> * thread priority
> Implement functions for managing thread attributes.
> 
> Priority is represented through an enum that allows for two levels:
> 	- RTE_THREAD_PRIORITY_NORMAL
> 	- RTE_THREAD_PRIORITY_REALTIME_CRITICAL
> 
> Affinity is described by the rte_cpuset_t type.
> 
> An rte_thread_attr_t object can be set to the default values
> by calling rte_thread_attr_init().
> 
> Signed-off-by: Narcisa Vasile <navasile@microsoft.com>
> ---
>  lib/eal/common/rte_thread.c  | 46 ++++++++++++++++++
>  lib/eal/include/rte_thread.h | 91 ++++++++++++++++++++++++++++++++++++
>  lib/eal/version.map          |  4 ++
>  lib/eal/windows/rte_thread.c | 44 +++++++++++++++++
>  4 files changed, 185 insertions(+)
> 
> diff --git a/lib/eal/common/rte_thread.c b/lib/eal/common/rte_thread.c
> index 92a7451b0a..27ad1c7eb0 100644
> --- a/lib/eal/common/rte_thread.c
> +++ b/lib/eal/common/rte_thread.c
> @@ -9,6 +9,7 @@
>  #include <string.h>
> 
>  #include <rte_common.h>
> +#include <rte_debug.h>
>  #include <rte_errno.h>
>  #include <rte_log.h>
>  #include <rte_thread.h>
> @@ -33,6 +34,51 @@ rte_thread_equal(rte_thread_t t1, rte_thread_t t2)
>  	return pthread_equal((pthread_t)t1.opaque_id, (pthread_t)t2.opaque_id);
>  }
> 
> +int
> +rte_thread_attr_init(rte_thread_attr_t *attr)
> +{
> +	RTE_VERIFY(attr != NULL);

As a generic one, here and everywhere:
Please don't use RTE_VERIFY() for checking input function parameters.
We don't want to panic in case of just invalid parameter from user.

> +
> +	CPU_ZERO(&attr->cpuset);
> +	attr->priority = RTE_THREAD_PRIORITY_NORMAL;
> +
> +	return 0;
> +}
> +

             reply	other threads:[~2022-02-04 19:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-04 19:21 Ananyev, Konstantin [this message]
2022-02-05  4:41 ` Tyler Retzlaff
2022-02-05  9:00   ` Thomas Monjalon
2022-02-06  3:45     ` Tyler Retzlaff
2022-02-05 12:51   ` Ananyev, Konstantin
  -- strict thread matches above, loose matches on Subject: below --
2021-11-10  3:01 [dpdk-dev] [PATCH v17 00/13] eal: Add EAL API for threading Narcisa Ana Maria Vasile
2021-11-11  1:33 ` [PATCH v18 0/8] " Narcisa Ana Maria Vasile
2021-11-11  1:33   ` [PATCH v18 2/8] eal: add thread attributes Narcisa Ana Maria Vasile

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