From nobody Mon Jan 3 06:26:58 2022 X-Original-To: gecko@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 8ADCC191FFFA for ; Mon, 3 Jan 2022 06:26:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JS5PZ214Dz3sJB for ; Mon, 3 Jan 2022 06:26:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 2129E20839 for ; Mon, 3 Jan 2022 06:26:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 2036QwHZ045016 for ; Mon, 3 Jan 2022 06:26:58 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 2036Qwhu045015 for gecko@FreeBSD.org; Mon, 3 Jan 2022 06:26:58 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: gecko@FreeBSD.org Subject: [Bug 260901] www/firefox dom.ipc.processCount 8 but maybe more than eight such processes Date: Mon, 03 Jan 2022 06:26:58 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: performance X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: grahamperrin@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: gecko@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status keywords bug_severity priority component assigned_to reporter flagtypes.name attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Gecko Rendering Engine issues List-Archive: https://lists.freebsd.org/archives/freebsd-gecko List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-gecko@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1641191218; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ZGeu6E1l82vqf03tTmMKRoWibj6pZ9zT8eKkETJnbF0=; b=sexr16A5Rb9w8F2rpG5/oI/n6TBps2wyvn3SCOZi79v+yLHbmT6XwveSOtDoQ0BYTRfa1A pjkrDHwxOXGaUGpW0pVy2a65wEf/rd+b5LwmaC2Q/XS25HRjALTLQOETp8uLZ0wKIHE2pb X9VhL6LXMXXewDY/Jm+vk75up4xEc8Nb5qRkhI2yh8tDoKI5kPnztcG54nav6pLbz+2Wr7 amN71GJsNs0rp3gjUGnlPV0evdJApgU6uDIDmsgqAiZZ8L5+rkj+oi51GYZQy756DEH0X/ z57Y5QzZX7M8a6uSslIHTrW75l2s+N3TjEdfhio6QC+69d6K+JVPU3j6iHR6Yw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1641191218; a=rsa-sha256; cv=none; b=mkYbylLi9sv+1cjKnrVKfTf6x0Fla80uAcfXJ57M8si9fvVFMybXwKherOYskGHrCam/4K lv1GBJyaI+Jv6X1zAcUw7+j3pdWHyPibhjmumnyiwk/3sDKGyjP+dIIYXb4ONtaX/OwJnS z51uZmHAjhRt263V4WDhM4qDA5Udd7g+mpdR8VCU3qFQXyrCuF15Jw3E5Yq/trk4Ow/cQb rk9jK//qr32Z3IZGE1VL9iV3h+GgGb0j7iPt0xyYzmeASHb+7Xr0Rtv9WedDtMCo/3+u+u gtMzB7DGgmwqbJDA9updYaus5XCjjGPkazDsXWQj68zhy3/AaHyyoniclSjnrw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260901 Bug ID: 260901 Summary: www/firefox dom.ipc.processCount 8 but maybe more than eight such processes Product: Ports & Packages Version: Latest Hardware: Any OS: Any Status: New Keywords: performance Severity: Affects Only Me Priority: --- Component: Individual Port(s) Assignee: gecko@FreeBSD.org Reporter: grahamperrin@gmail.com Assignee: gecko@FreeBSD.org Flags: maintainer-feedback?(gecko@FreeBSD.org) Created attachment 230657 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D230657&action= =3Dedit Screenshot: an htop view of a thought-provokingly high number of firefox processes dom.ipc.processCount is 8 (the default) however, as far as I can tell: * many more than eight such processes may become apparent=20 in e.g. htop(1) * if excesses are not apparent at start time, after Firefox completes=20 its reopening of previous windows and tabs, then they may become=20 apparent when (for example) I begin to load tabs that were reopened -- maybe only if no favicon is apparent before the click to load. about:support currently shows an isolated web content count:=20 13 =E2=80=93 although I don't know whether this bears any relationship to dom.ipc.processCount =E2=80=93 and htop shows a number greater than 13=20 for firefox processes matching:=20 -isForBrowser At a glance, the number visible in htop _might_ equal the=20 sum of the five types of remote process in about:support.=20 Environment =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D % pkg info -x firefox firefox-95.0.2,2 % pkg -vv | grep -e url -e enabled url : "http://pkg0.pkt.freebsd.org/FreeBSD:14:amd64/latest", enabled : yes, url : "https://alpha.pkgbase.live/current/FreeBSD:14:amd64/latest", enabled : no, url : "file:///usr/local/poudriere/data/packages/main-defau= lt", enabled : yes, % freebsd-version -kru 14.0-CURRENT 14.0-CURRENT 14.0-CURRENT % uname -aKU FreeBSD mowa219-gjp4-8570p-freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #118 main-n251923-4bae154fe8c: Sat Dec 25 08:03:37 GMT 2021=20=20=20=20 root@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NO= DEBUG amd64 1400045 1400045 %=20 Early thoughts =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Ultimately: this might be not a bug, or a bug upstream.=20 For now: after observing symptoms for a few days, my gut feeling is=20 that the behaviours might be specific to the (Tier-3) port to FreeBSD.=20 Certainly: with the port to FreeBSD, it's relatively easy (compared to=20 e.g. Linux) to view the number of firefox processes with utilities=20 such as htop.=20 Qualitatively: sometimes I do feel that recommended performance settings ar= e no longer as effective as they were, say, a few weeks ago. --=20 You are receiving this mail because: You are the assignee for the bug.=