From owner-freebsd-performance@FreeBSD.ORG Wed Oct 29 19:40:26 2014 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id CFB65553 for ; Wed, 29 Oct 2014 19:40:26 +0000 (UTC) Received: from mail-ig0-x232.google.com (mail-ig0-x232.google.com [IPv6:2607:f8b0:4001:c05::232]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 94DDABC0 for ; Wed, 29 Oct 2014 19:40:26 +0000 (UTC) Received: by mail-ig0-f178.google.com with SMTP id a13so3791580igq.17 for ; Wed, 29 Oct 2014 12:40:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc:content-type; bh=u1Suv/fLnNZTXKniQgV3wta6BDA3JbyXj8F/Lfz3nss=; b=OzzyYwPqNF2PWoLIZ+hWP+/YEXq78RHRwlHofRAwE9IhsVaYjBV4rNKl6npJo9MS1w LQiiZjxKHWBPyWPhup12ZR+pZWWJ69gXLcJJELc2P9jBTeb1qiJlx0UjxwpfouVE1orm Hlq79Zaad3pbulRLR1EUzpFzyKGnQTdcX/zvs15LnOppalb4eehA82VKpYERxVDqOLxz DwnJPg3G7u3M5Ylivnh2y57yR/UBfpdcQaqCshhRTluNNVk5M7P7DVLbeN/hNRDR1wPb K6rsaqDGk+gu7pqegIZlFTSHfMCaxGgH6K5lhKeeRY9ta06pmuo3gGgd1YZOPJ8WeiM5 86xQ== X-Received: by 10.43.127.73 with SMTP id gz9mr12596211icc.6.1414611625977; Wed, 29 Oct 2014 12:40:25 -0700 (PDT) MIME-Version: 1.0 Sender: carpeddiem@gmail.com Received: by 10.107.29.207 with HTTP; Wed, 29 Oct 2014 12:40:05 -0700 (PDT) In-Reply-To: References: <20141028114537.83f9f0a3c730949f453c3819@systemdatarecorder.org> From: Ed Maste Date: Wed, 29 Oct 2014 15:40:05 -0400 X-Google-Sender-Auth: tRDTw8ZugayK941Q4I-4jcXZWZU Message-ID: Subject: Re: pmcstat -z32 -G truncates callgraph to 8 To: Brendan Gregg Content-Type: text/plain; charset=UTF-8 Cc: Stefan Parvu , freebsd-performance@freebsd.org X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Oct 2014 19:40:26 -0000 On 28 October 2014 13:38, Brendan Gregg wrote: > Ah, thanks, I'm on 10.0-STABLE and I have: > > kern.hwpmc.callchaindepth: 8 > > Glad it's something simple! Those are the best kinds of problems to have, although we ought to make sure this point is covered in the FreeBSD profiling documentation that we have or create. Also, do you think that we should bump the compiled-in default up to 32?