From patchwork Wed Mar 18 21:47:24 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Noonan X-Patchwork-Id: 451644 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from fraxinus.osuosl.org (fraxinus.osuosl.org [140.211.166.137]) by ozlabs.org (Postfix) with ESMTP id 5E1DF14011D for ; Thu, 19 Mar 2015 08:53:15 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 82F9AA33FC; Wed, 18 Mar 2015 21:53:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id W5y-fJtZmLvv; Wed, 18 Mar 2015 21:53:13 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by fraxinus.osuosl.org (Postfix) with ESMTP id 9EA8DA3406; Wed, 18 Mar 2015 21:53:13 +0000 (UTC) X-Original-To: buildroot@lists.busybox.net Delivered-To: buildroot@osuosl.org Received: from whitealder.osuosl.org (whitealder.osuosl.org [140.211.166.138]) by ash.osuosl.org (Postfix) with ESMTP id 8DA361C20E8 for ; Wed, 18 Mar 2015 21:53:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 86F638D410 for ; Wed, 18 Mar 2015 21:53:12 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7eqP5ixKQk7f for ; Wed, 18 Mar 2015 21:53:11 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mail-pd0-f171.google.com (mail-pd0-f171.google.com [209.85.192.171]) by whitealder.osuosl.org (Postfix) with ESMTPS id DDCFB8D72A for ; Wed, 18 Mar 2015 21:53:11 +0000 (UTC) Received: by pdbop1 with SMTP id op1so55060511pdb.2 for ; Wed, 18 Mar 2015 14:53:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=SwkUA0BwEbJjyT+TVq4Ykp5Cu3DEiZIJt+3ssjeXAzQ=; b=bkqoukspBP3v/TVkm6SfaXhXvK/LUy0j4TBkBuozhhrZ7Njf0Q+R3h//8vvMqUw+cR kJ9RkByzZfjdndyY8v+UUCP81ZcNH6YS0zMWgJ4WAoHAzneNAmWyFDM0MRYmMG6xZWCq aYUqN0yINk6zWB8Hv7IlBv8gECcLrP35t89TPdfpKOBJcfSp1ClWKGt5I6OxmmqabxpQ dwHtWzsbFW+hnZSeEQmpZMbxXGutPTJgWZ/r7ngvYHiBYC5wbgS5ycIoaDKOz3uI3w7t W94Ls1xN1xjHBHJEAjusM2hsvocYt/kmRIcZF3yLkx8mKFz5q/h56bStf8p3WN+yL8Wo ZQQA== X-Gm-Message-State: ALoCoQlOHd4EkdCdRYSviV+uuXOr7euwXAQE4S1LDQpMTN7vbY+AqCkjBXysy4nyJpx/TSSTQlFt X-Received: by 10.66.231.204 with SMTP id ti12mr85040586pac.135.1426715255139; Wed, 18 Mar 2015 14:47:35 -0700 (PDT) Received: from steven@uplinklabs.net ([104.152.107.133]) by mx.google.com with ESMTPSA id y1sm6516210pde.93.2015.03.18.14.47.32 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 18 Mar 2015 14:47:34 -0700 (PDT) Received: by steven@uplinklabs.net (sSMTP sendmail emulation); Wed, 18 Mar 2015 14:47:31 -0700 From: Steven Noonan To: buildroot@busybox.net Date: Wed, 18 Mar 2015 14:47:24 -0700 Message-Id: <1426715244-25068-1-git-send-email-steven@uplinklabs.net> X-Mailer: git-send-email 2.3.3 Subject: [Buildroot] [PATCH] package/perf: fix build failures with high 'make -j' values X-BeenThere: buildroot@busybox.net X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: buildroot-bounces@busybox.net Sender: "buildroot" The 'perf' Makefile is flaky on some kernel versions. It will still parallelize the build even with 'make -j1' because it explicitly invokes a sub-make with the correct flags. But the top-level make is not smart enough to handle large '-j' values. Signed-off-by: Steven Noonan --- package/perf/perf.mk | 2 ++ 1 file changed, 2 insertions(+) diff --git a/package/perf/perf.mk b/package/perf/perf.mk index 1fcc258..f6591a6 100644 --- a/package/perf/perf.mk +++ b/package/perf/perf.mk @@ -22,6 +22,8 @@ PERF_MAKE_FLAGS = \ WERROR=0 \ ASCIIDOC= +PERF_MAKE_FLAGS += -j1 + # The call to backtrace() function fails for ARC, because for some # reason the unwinder from libgcc returns early. Thus the usage of # backtrace() should be disabled in perf explicitly: at build time