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Sat, 07 Mar 2026 01:43:37 -0800 (PST) From: Roman Bogorodskiy To: devel@lists.libvirt.org Subject: [PATCH] util: extend virHostCPUGetInfo() for FreeBSD Date: Sat, 7 Mar 2026 10:42:26 +0100 Message-ID: <20260307094226.80560-1-bogorodskiy@gmail.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: TQQ76XTBQAUL66XFBZY4UIVUWVYSGMA3 X-Message-ID-Hash: TQQ76XTBQAUL66XFBZY4UIVUWVYSGMA3 X-MailFrom: bogorodskiy@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Roman Bogorodskiy X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1772876660276158500 Content-Type: text/plain; charset="utf-8" Extend virHostCPUGetInfo() to report more data on FreeBSD, such as: - NUMA domain count - CPU core count - CPU threads per core count Signed-off-by: Roman Bogorodskiy Reviewed-by: Michal Privoznik --- src/util/virhostcpu.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/util/virhostcpu.c b/src/util/virhostcpu.c index 113aa6881e..7cecb4b2c8 100644 --- a/src/util/virhostcpu.c +++ b/src/util/virhostcpu.c @@ -1014,6 +1014,22 @@ virHostCPUGetInfo(virArch hostarch G_GNUC_UNUSED, *mhz =3D cpu_freq / 1000000; # endif =20 +# ifdef __FreeBSD__ +# define FILL_DATA_SYSCTL(var, sysctl, error_msg) \ + do { \ + size_t _len =3D sizeof(*var); \ + if (sysctlbyname(sysctl, var, &_len, NULL, 0) < 0) { \ + virReportSystemError(errno, "%s", error_msg); \ + return -1; \ + } \ + } while (0) + + FILL_DATA_SYSCTL(nodes, "vm.ndomains", _("cannot obtain NUMA domain co= unt")); + FILL_DATA_SYSCTL(cores, "kern.smp.cores", _("cannot obtain CPU core co= unt")); + FILL_DATA_SYSCTL(threads, "kern.smp.threads_per_core", + _("cannot obtain CPU threads per core")); +# endif /* __FreeBSD__ */ + return 0; #else /* XXX Solaris will need an impl later if they port QEMU driver */ --=20 2.52.0