=
> On Tue, 13 Jun 2023 14:55:48 +0530
> wrote:
>
> > static __rte_always_inline void
> > cn10k_sso_txq_fc_wait(const struct cn10k_eth_txq *txq)
> > {
> > +#ifdef RTE_ARCH_ARM64
> > + uint64_t space;
> > +
> > + asm volatile(PLT_CPU_FEATURE_PREAMBLE
> > +" ldxr %[s
On Tue, 13 Jun 2023 14:55:48 +0530
wrote:
> static __rte_always_inline void
> cn10k_sso_txq_fc_wait(const struct cn10k_eth_txq *txq)
> {
> +#ifdef RTE_ARCH_ARM64
> + uint64_t space;
> +
> + asm volatile(PLT_CPU_FEATURE_PREAMBLE
> + " ldxr %[space], [%[addr]]
Kottidi ; dev@dpdk.org
Subject: [EXT] Re: [PATCH v2 3/3] event/cnxk: use WFE in Tx fc wait
External Email
Hello Pavan and Jerin,
The Community Lab's CI testing failed this patchseries on clang compile on ARM
systems. That wasn't properly reported to Pat
; Kiran Kumar Kokkilagadda
; Sunil Kumar Kori ; Satha
Koteswara Rao Kottidi ; dev@dpdk.org
Subject: [EXT] Re: [PATCH v2 3/3] event/cnxk: use WFE in Tx fc wait
External Email
Hello Pavan and Jerin,
The Community Lab's CI testing failed this patchseri
Hello Pavan and Jerin,
The Community Lab's CI testing failed this patchseries on clang compile on
ARM systems. That wasn't properly reported to Patchwork due to issues with
our reporting process, which we are resolving currently. This updated
report show the failed compile. Apologies for the incom
On Tue, Jun 13, 2023 at 2:56 PM wrote:
>
> From: Pavan Nikhilesh
>
> Use WFE is Tx path when waiting for space in the Tx queue.
> Depending upon the Tx queue contention and size, WFE will
> reduce the cache pressure and power consumption.
> In multi-core scenarios we have observed up to 8W power
From: Pavan Nikhilesh
Use WFE is Tx path when waiting for space in the Tx queue.
Depending upon the Tx queue contention and size, WFE will
reduce the cache pressure and power consumption.
In multi-core scenarios we have observed up to 8W power reduction.
Signed-off-by: Pavan Nikhilesh
---
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