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a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1708637000; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=lIRPIZxG9t+ahGgrtreJ9bofsQ3dY+aVAetq13EaR9Q=; b=DrroWcgS6mZp6vRnICkmO6dYyRmb46nuqZEAy8GLs1K78adXZDcBKxiz5BpaZynW5bs6U4 KJP+V5nUH22Y1hs5MiGC7X7mJSCn7OrWrQE2P1SRa+4vLKYyuPU24KwHYf39Hj8V9gSMmw c1Xp0+KBgHKuG/oOtcSqj8wXKDDmWrguAdwOGbsYyq4HpbNX+4+oQG7RuUg1rsK1Fm9nXw 4wHo8JP0qUQAHemiQYp9StBKkPplSI3CEQUChkTlS0ZzzQD5drCXkHLCgE1nGzI7gg/9y3 X3WrFpplJ5QxQYT6HHi3iBCc3JXJ08sqasLYWn/q0/0d1pMaVnnqh/AjoaSAww== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1708637000; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=lIRPIZxG9t+ahGgrtreJ9bofsQ3dY+aVAetq13EaR9Q=; b=vJHIQTO+7AwFhSVRrMa0bRDXsEfPdU0bL6TvjmjmjpgjeUHmMAqqKajEFlZKPg5v2tSBfo TgtDmaYzcUrYdxBw== To: Raghavendra K T , Ankur Arora , linux-kernel@vger.kernel.org Cc: peterz@infradead.org, torvalds@linux-foundation.org, paulmck@kernel.org, akpm@linux-foundation.org, luto@kernel.org, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, willy@infradead.org, mgorman@suse.de, jpoimboe@kernel.org, mark.rutland@arm.com, jgross@suse.com, andrew.cooper3@citrix.com, bristot@kernel.org, mathieu.desnoyers@efficios.com, geert@linux-m68k.org, glaubitz@physik.fu-berlin.de, anton.ivanov@cambridgegreys.com, mattst88@gmail.com, krypton@ulrich-teichert.org, rostedt@goodmis.org, David.Laight@ACULAB.COM, richard@nod.at, mjguzik@gmail.com, jon.grimm@amd.com, bharata@amd.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com Subject: Re: [PATCH 00/30] PREEMPT_AUTO: support lazy rescheduling In-Reply-To: References: <20240213055554.1802415-1-ankur.a.arora@oracle.com> <15fcf98c-58c5-fa08-2e21-f3b0baf058e6@amd.com> <87zfvtg2mh.ffs@tglx> Date: Thu, 22 Feb 2024 22:23:19 +0100 Message-ID: <87ttm0dwhk.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, Feb 21 2024 at 22:57, Raghavendra K T wrote: > On 2/21/2024 10:45 PM, Thomas Gleixner wrote: >> On Wed, Feb 21 2024 at 17:53, Raghavendra K T wrote: >>> Configuration tested. >>> a) Base kernel (6.7), >> >> Which scheduling model is the baseline using? >> > > baseline is also PREEMPT_DYNAMIC with voluntary preemption > >>> b) patched with PREEMPT_AUTO voluntary preemption. >>> c) patched with PREEMPT_DYNAMIC voluntary preemption. Which RCU variant do you have enabled with a, b, c ? I.e. PREEMPT_RCU=? Thanks, tglx