From: Thomas Monjalon <thomas@monjalon.net>
To: "Min Hu (Connor)" <humin29@huawei.com>
Cc: dev@dpdk.org, ferruh.yigit@intel.com, david.marchand@redhat.com,
rsanford@akamai.com, erik.g.carrillo@intel.com
Subject: Re: [dpdk-dev] [PATCH v2] examples/timer: fix incorrect time interval
Date: Wed, 12 May 2021 16:40:23 +0200 [thread overview]
Message-ID: <9211549.cYOHRHQMzY@thomas> (raw)
In-Reply-To: <1620293376-41815-1-git-send-email-humin29@huawei.com>
06/05/2021 11:29, Min Hu (Connor):
> From: Chengchang Tang <tangchengchang@huawei.com>
>
> Timer sample example assumes that the frequency of the timer is about
> 2Ghz to control the period of calling rte_timer_manage(). But this
> assumption is easy to fail. For example. the frequency of tsc on ARM64
> is much less than 2Ghz.
>
> This patch uses the frequency of the current timer to calculate the
> correct time interval to ensure consistent result on all platforms.
>
> In addition, the rte_rdtsc() is replaced with the more recommended
> rte_get_timer_cycles function in this patch.
>
> Fixes: af75078fece3 ("first public release")
> Cc: stable@dpdk.org
>
> Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
> Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Applied, thanks
prev parent reply other threads:[~2021-05-12 14:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 7:12 [dpdk-dev] [PATCH] " Min Hu (Connor)
2021-04-21 18:34 ` Thomas Monjalon
2021-04-22 1:38 ` Chengchang Tang
2021-04-21 19:12 ` Carrillo, Erik G
2021-05-05 21:37 ` Thomas Monjalon
2021-05-06 2:06 ` Chengchang Tang
2021-05-06 8:08 ` Thomas Monjalon
2021-05-06 8:23 ` Chengchang Tang
2021-05-06 9:29 ` [dpdk-dev] [PATCH v2] " Min Hu (Connor)
2021-05-12 14:40 ` Thomas Monjalon [this message]
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