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[80.42.66.93]) by smtp.gmail.com with ESMTPSA id f6-20020a056402160600b0052544bca116sm4650471edv.13.2023.09.03.09.02.57 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 03 Sep 2023 09:02:57 -0700 (PDT) Message-ID: <23c596e7-d710-c17d-a4e7-b21c99a4fe00@gmail.com> Date: Sun, 3 Sep 2023 17:02:56 +0100 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 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 From: Graham Perrin Subject: Re: kernel 100% CPU To: FreeBSD CURRENT References: <95e9f65b-58c4-ef3a-a5d1-b794179e4252@gmail.com> Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spamd-Bar: --- X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.999]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20221208]; MIME_GOOD(-0.10)[text/plain]; FROM_HAS_DN(0.00)[]; FREEFALL_USER(0.00)[grahamperrin]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::52b:from]; ARC_NA(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; MID_RHS_MATCH_FROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; TO_DN_ALL(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; FREEMAIL_ENVFROM(0.00)[gmail.com]; RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Queue-Id: 4RdxPf2L9Cz4dBx On 02/09/2023 18:31, Mateusz Guzik wrote: > On 9/2/23, Graham Perrin wrote: >> … I began the trace /after/ the issue became observable. >> Will it be more meaningful to begin a trace and then reproduce the issue >> (before the trace ends)? >> >> … > Looks like you have a lot of unrelated traffic in there. > > … 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=100 -n 'profile-997 /arg0/ { @[stack()] = count(); } tick-60s { exit(0); }' -o out.kern_stacks