From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: dev@dpdk.org
Cc: david.hunt@intel.com
Subject: Re: [dpdk-dev] [PATCH v4 2/2] power: do not skip saving original pstate governor
Date: Fri, 2 Apr 2021 10:34:07 +0100 [thread overview]
Message-ID: <aea28fc6-1fcd-c0cf-6b80-c6984a3b84b9@intel.com> (raw)
In-Reply-To: <20210402092645.258257-2-anatoly.burakov@intel.com>
On 02-Apr-21 10:26 AM, Anatoly Burakov wrote:
> Currently, when we set the pstate governor to "performance", we check if
> it is already set to this value, and if it is, we skip setting it.
>
> However, we never save this value anywhere, so that next time we come
> back and request the governor to be set to its original value, the
> original value is empty.
>
> Fix it by saving the original pstate governor first. While we're at it,
> replace `strlcpy` with `rte_strscpy`.
>
> Fixes: e6c6dc0f96c8 ("power: add p-state driver compatibility")
> Cc: david.hunt@intel.com
>
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
> ---
> lib/librte_power/power_pstate_cpufreq.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/lib/librte_power/power_pstate_cpufreq.c b/lib/librte_power/power_pstate_cpufreq.c
> index c4639e4b8a..1cb0e4d917 100644
> --- a/lib/librte_power/power_pstate_cpufreq.c
> +++ b/lib/librte_power/power_pstate_cpufreq.c
Apologies for wrong threading, i'm sending patches from a new machine so
it's been a while since i've run git commands manually...
--
Thanks,
Anatoly
next prev parent reply other threads:[~2021-04-02 9:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-30 14:15 [dpdk-dev] [PATCH 1/3] power: refactor base frequency detection Anatoly Burakov
2021-03-30 14:15 ` [dpdk-dev] [PATCH 2/3] power: refactor pstate sysfs handling Anatoly Burakov
2021-03-30 14:15 ` [dpdk-dev] [PATCH 3/3] power: do not skip saving original pstate governor Anatoly Burakov
2021-03-30 16:52 ` Burakov, Anatoly
2021-03-30 14:25 ` [dpdk-dev] [PATCH v2 1/3] power: refactor base frequency detection Anatoly Burakov
2021-04-01 15:04 ` [dpdk-dev] [PATCH v2 1/2] power: fix pstate base frequency handling Anatoly Burakov
2021-04-01 15:05 ` [dpdk-dev] [PATCH v2 2/2] power: do not skip saving original pstate governor Anatoly Burakov
2021-04-01 15:06 ` [dpdk-dev] [PATCH v3 1/2] power: fix pstate base frequency handling Anatoly Burakov
2021-04-02 9:26 ` [dpdk-dev] [PATCH v4 " Anatoly Burakov
2021-04-02 9:35 ` Burakov, Anatoly
2021-04-02 11:12 ` Pattan, Reshma
2021-04-02 9:26 ` [dpdk-dev] [PATCH v4 2/2] power: do not skip saving original pstate governor Anatoly Burakov
2021-04-02 9:34 ` Burakov, Anatoly [this message]
2021-04-02 11:12 ` Pattan, Reshma
2021-04-06 8:38 ` Thomas Monjalon
2021-04-01 15:06 ` [dpdk-dev] [PATCH v3 " Anatoly Burakov
2021-03-30 14:25 ` [dpdk-dev] [PATCH v2 2/3] power: refactor pstate sysfs handling Anatoly Burakov
2021-03-30 14:25 ` [dpdk-dev] [PATCH v2 3/3] power: do not skip saving original pstate governor Anatoly Burakov
2021-03-30 16:51 ` Burakov, Anatoly
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