From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4dc772a8-a120-df8e-41d5-6fa305c2ad80@siemens.com> Date: Thu, 14 Apr 2022 17:43:08 +0200 MIME-Version: 1.0 Subject: Re: [PATCH v2 0/9] Revive alchemy, pSOS and VxWorks tests Content-Language: en-US References: <20220413215819.22954-1-richard@nod.at> <7d2e38dc-7386-e703-2e09-572874c5e162@siemens.com> <1588685029.254441.1649949221432.JavaMail.zimbra@nod.at> <791b80dc-363a-219a-d245-cde9e9905b27@siemens.com> <1221659663.254503.1649950864066.JavaMail.zimbra@nod.at> From: Jan Kiszka In-Reply-To: <1221659663.254503.1649950864066.JavaMail.zimbra@nod.at> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Weinberger Cc: xenomai On 14.04.22 17:41, Richard Weinberger wrote: > ----- Ursprüngliche Mail ----- >>> Did the nucleus CPU scheduler guarantee that giving another task >>> the same priority of the calling task will favour the caller? >>> Now the gifted task seems to win. >> >> Did you configure with --enable-lazy-setsched? If not, set_prio should >> send the caller to Linux, and that will definitely cause some scheduling >> change. > > Yes. -enable-lazy-setsched is set. > Then it's better to trace than to speculate. Jan -- Siemens AG, Technology Competence Center Embedded Linux