From nobody Sun Sep 03 16:55:41 2023 X-Original-To: freebsd-current@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 4RdyZT2gQ1z4rHDZ for ; Sun, 3 Sep 2023 16:55:45 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: from mail-oa1-x31.google.com (mail-oa1-x31.google.com [IPv6:2001:4860:4864:20::31]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RdyZT0nsBz3KV9 for ; Sun, 3 Sep 2023 16:55:45 +0000 (UTC) (envelope-from mjguzik@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-oa1-x31.google.com with SMTP id 586e51a60fabf-1bba7717d3bso570679fac.1 for ; Sun, 03 Sep 2023 09:55:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1693760142; x=1694364942; darn=freebsd.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :references:in-reply-to:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=m0G+CPYInGt4m7TP37HT/bCs2gQg+0PGUFP5wEx077k=; b=cdbjlx2B7QTr3m9Z+cDfcIG9iutP/EqxButCfQhTSgYsdrw5Pj1sIWmmExPJzUX9v4 0RYo5Z7FQS1EFeV2EBKRVEhp2V3QegHftCKuUZAhiIK6B2wo1oOwOKghccJciw5Q9ibS Yb8LXW3QoImZgp+uPxARzIzOdR6PUKlomgC7EsXN/RzW0Ve/gCnUXprs+Y5vdewp+lPd fFagYzcAc0PS8VSNqVSXLb7mNgeFJlCelOBWrBbXzsGU5ELV+OixPVo2izzk8+XkJkkr CyeSUnzoyg+dV7WTWDzO7SimtWB7qDUvWlfYAQFgXf2iqNpKM/PvUBxlQyA4cuoLOn2m 7bag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693760142; x=1694364942; h=content-transfer-encoding:cc:to:subject:message-id:date:from :references:in-reply-to:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=m0G+CPYInGt4m7TP37HT/bCs2gQg+0PGUFP5wEx077k=; b=Fl9U7Zfummv7SHykQNUuMbkKlYKOJrgcHdbb54VTAmtvQ8DMUipV8yOEt1w+OIBLyy a/n/usqWEnyWL+G3teMeXYxYoNCRMT5Gu1U40AJG8zFSjHuqpMhRvKRFAy6g1ILio3uQ hukKwCyGIZ83+2+FFXlhRF36vCBgCmnDPL6gK5fu52Xu6y1O+6b089XTTAveTyKHIsUr GzAejc5nbfVQv/w78WfH4SRFHu3o82Ex+8bZnKNJFQrARW4nENWA9mEP6oJaa/iaHnL8 3ZJCRGziffm83jndy4mI94ZkePyk3WXyVW38ZR5cUxtS8iEHBCXtNYFRVwzuCEBZYwsA HUwA== X-Gm-Message-State: AOJu0Yxc/K2ApWy1YPv+WDZWfKPvZuHtJ0TZlRsHzi7L5JqXBnvqivim xK9CyHs+eKn0elaSHaVX5KMTV+G9HOOIeHP5eGA= X-Google-Smtp-Source: AGHT+IGiH7N42AUTSMANtnZ8FTlcrxFca1x7giIDnZk3yHo6X5Idle9cbDBDPqgOk+EVwzwjtLWNgPllLqxWC2FTAyw= X-Received: by 2002:a05:6870:658d:b0:1b0:2203:2bed with SMTP id fp13-20020a056870658d00b001b022032bedmr8775499oab.59.1693760142315; Sun, 03 Sep 2023 09:55:42 -0700 (PDT) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Received: by 2002:a8a:60c:0:b0:4f0:1250:dd51 with HTTP; Sun, 3 Sep 2023 09:55:41 -0700 (PDT) In-Reply-To: <23c596e7-d710-c17d-a4e7-b21c99a4fe00@gmail.com> References: <95e9f65b-58c4-ef3a-a5d1-b794179e4252@gmail.com> <23c596e7-d710-c17d-a4e7-b21c99a4fe00@gmail.com> From: Mateusz Guzik Date: Sun, 3 Sep 2023 18:55:41 +0200 Message-ID: Subject: Re: kernel 100% CPU To: Graham Perrin Cc: FreeBSD CURRENT Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2001:4860:4864::/48, country:US] X-Rspamd-Queue-Id: 4RdyZT0nsBz3KV9 On 9/3/23, Graham Perrin wrote: > On 02/09/2023 18:31, Mateusz Guzik wrote: >> On 9/2/23, Graham Perrin wrote: >>> =E2=80=A6 I began the trace /after/ the issue became observable. >>> Will it be more meaningful to begin a trace and then reproduce the issu= e >>> (before the trace ends)? >>> >>> =E2=80=A6 >> Looks like you have a lot of unrelated traffic in there. >> >> =E2=80=A6 > > Instead, the > two files from 09:21 this morning. Are these useful? > > Before this run of DTrace, I quit Firefox and other applications that > might be causing noise (and the OS has been restarted since my last run > of poudriere-bulk(8)). > > dtrace -x stackframes=3D100 -n 'profile-997 /arg0/ { @[stack()] =3D count= (); > } tick-60s { exit(0); }' -o out.kern_stacks > Post your "sysctl -a" somewhere. --=20 Mateusz Guzik