From owner-freebsd-hackers@freebsd.org Wed Mar 30 11:35:43 2016 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1E57BAE39B3 for ; Wed, 30 Mar 2016 11:35:43 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: from mail-wm0-x22b.google.com (mail-wm0-x22b.google.com [IPv6:2a00:1450:400c:c09::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id AE7F518F4 for ; Wed, 30 Mar 2016 11:35:42 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: by mail-wm0-x22b.google.com with SMTP id 20so66528623wmh.1 for ; Wed, 30 Mar 2016 04:35:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=/CeTBM5XI0FTXseYPkwf9nTPGF/H/Hof/DyEliGKYIE=; b=qvEdRTpvvv74JpRvRg1r6gp4WabXK8/CtiQhlhqN4EhI9hxgNHS8FRAfuHduWpzKAY 8aixwL+iaVW4176cAakx9DWWQ71m7y0kus1qqxb2EtIXcR4ruL/Y2AMJLMRDRRK252yy IqrpsQu3ylfgRtuWBeVSeBq0kZLo334gOcySATpHI0MHcgUVqY9eR8XsgnrdSDY5HuKf Gw6SdNkQ2gvUUrirx2rfqkkBV1saltC1w60US9uL3crrdiJB9RGo73TSvEaNMCH9kfk9 Rx9JzKZ+hpFX1gDVWJFgaiBvKKnX1QC99wHuH9VjcOTt+n0qwXOLpNocfmT8dLXG+Ldb KV6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=/CeTBM5XI0FTXseYPkwf9nTPGF/H/Hof/DyEliGKYIE=; b=SoNIEbIJPqkiETX9ydDPaW/58hrqn1jS+OqnXo1Bact5bAT815xMavrDhHBLmNzyXN aIVIYb6A+kSc/COZh6VSuOpvZO5qzRa6CPNvwSP+Jr/zp2nfg1aI96kQ7Ivy5DE0jJeL Zq70hjg7qMRqkAhP4DJaZdp3Pyysm4DJq7o6Q/U9lG0cg7/dko7qRZWaWlpJeRkXvtj/ Ga8gwxa4c8xzavSyunrlH9HyJvvo8fzSmvDS4Y63TdHliJML6dZFPTcKIByciiGrhS4J rnEjg5UKr0Xg6c5UBXDXWiOlPZbMafTH1X60Mhl3AuXnv6zvZjrbdUm6JhxlDL8S5qZ6 iOkg== X-Gm-Message-State: AD7BkJJHMFkZvRFDWGldc9HIhhgpdxMoi2EKfsjWpj08vlJf+F47HwTQDGcTXopk/mRsAbog3b2Kpj2jgP4SoQ== MIME-Version: 1.0 X-Received: by 10.194.58.169 with SMTP id s9mr9017851wjq.52.1459337741311; Wed, 30 Mar 2016 04:35:41 -0700 (PDT) Received: by 10.194.57.133 with HTTP; Wed, 30 Mar 2016 04:35:41 -0700 (PDT) In-Reply-To: <56FBAD69.908@digiware.nl> References: <56FBAD69.908@digiware.nl> Date: Wed, 30 Mar 2016 14:35:41 +0300 Message-ID: Subject: Re: Getting a thread name From: Sergey Kandaurov To: Willem Jan Withagen Cc: FreeBSD Hackers Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Mar 2016 11:35:43 -0000 On 30 March 2016 at 13:41, Willem Jan Withagen wrote: > Hi, > > pthread_np has a call: pthread_set_name(tid, str). > > Now I'm looking for a way of retrieving that name. But there is no: > pthread_get_name() in the same set. > > But I see top actually displaying the threadnames. So can somebody give > me a hint where to look? Other than going thru top... > It's extracted either over kvm(3) or sysctl(3) interface depending on your needs. Search for kvm_getprocs() and KERN_PROC respectively. You can also use libprocstat(3) that is a wrapper. -- wbr, pluknet