From nobody Mon Jul 11 10:12:50 2022 X-Original-To: soc-status@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id D100E1D05086 for ; Mon, 11 Jul 2022 10:13:11 +0000 (UTC) (envelope-from christos@freebsd.org) Received: from christos (mail.margiolis.net [95.179.159.8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA512) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4LhKTL0Jk9z3NPX; Mon, 11 Jul 2022 10:13:09 +0000 (UTC) (envelope-from christos@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; s=default; bh=cPg833o72Jn3 QmcD4rTZCdEcXNuhwSLGG7wEHvVgpx8=; h=subject:cc:to:from:date; d=margiolis.net; b=PKdeELULmwuG4omQXjBv3MYSju4/tg1WvGai8ZQ9nN2RB+rSrCO X+OA+Leu+JlU7FroNDknXEv/8MagZbMft6WWnHF4qaHVzX5P8T5K1QSPDqv7zEcGYUE5vw +R24JOMh7lOoZza1uubtpBj8oufd2oo6jqWaYZeuC1+ZLmliZ4= Received: from pleb (ppp-94-66-59-23.home.otenet.gr [94.66.59.23]) by christos (OpenSMTPD) with ESMTPSA id 0bf92e4f (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO); Mon, 11 Jul 2022 10:13:01 +0000 (UTC) Date: Mon, 11 Jul 2022 13:12:50 +0300 From: Christos Margiolis To: soc-status@freebsd.org Cc: markj@freebsd.org Subject: [GSOC22 Weekly Update #4] Instruction-level dynamic tracing Message-ID: <20220711101250.plivgd3yjpdquhqx@pleb> List-Id: Summer of Code Status Reports and Discussion List-Archive: https://lists.freebsd.org/archives/soc-status List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-soc-status@freebsd.org X-BeenThere: soc-status@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 4LhKTL0Jk9z3NPX X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=pass header.d=margiolis.net header.s=default header.b=PKdeELUL; dmarc=none; spf=softfail (mx1.freebsd.org: 95.179.159.8 is neither permitted nor denied by domain of christos@freebsd.org) smtp.mailfrom=christos@freebsd.org X-Spamd-Result: default: False [0.20 / 15.00]; HFILTER_HELO_5(3.00)[christos]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; R_DKIM_ALLOW(-0.20)[margiolis.net:s=default]; MIME_GOOD(-0.10)[text/plain]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWO(0.00)[2]; ASN(0.00)[asn:20473, ipnet:95.179.144.0/20, country:US]; MLMMJ_DEST(0.00)[soc-status]; DKIM_TRACE(0.00)[margiolis.net:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_SOFTFAIL(0.00)[~all:c]; FREEFALL_USER(0.00)[christos]; ARC_NA(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_HAS_DN(0.00)[]; TO_DN_NONE(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DMARC_NA(0.00)[freebsd.org]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N This week I made a few fixes on the trampoline mechanism and also started working on on-demand implementing lazy allocation for probes instead of creating them all at load time. Christos