From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: Re: [GIT PULL] perf/core improvements and fixes Date: Tue, 5 May 2020 14:03:20 -0300 Message-ID: <20200505170320.GZ30487@kernel.org> References: <20200420115316.18781-1-acme@kernel.org> <20200422120943.GA110748@gmail.com> <20200424130722.GK19437@kernel.org> <0f6403ec-36cd-f43f-b3a6-b87e628f3789@redhat.com> <20200505163745.GD3777@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Daniel =?iso-8859-1?Q?D=EDaz?= Cc: Arnaldo Carvalho de Melo , Andreas Gerstmayr , Ingo Molnar , Thomas Gleixner , Jiri Olsa , Namhyung Kim , Clark Williams , open list , linux-perf-users@vger.kernel.org, Adrian Hunter , Alexey Budankov , He Zhe , Ian Rogers , Kajol Jain , Kan Liang , Konstantin Kharlamov , Stephane Eranian , Thomas Richter , lkft-triage@lists.linaro.org List-Id: linux-perf-users.vger.kernel.org Em Tue, May 05, 2020 at 11:57:18AM -0500, Daniel Díaz escreveu: > Hello! > > On Tue, 5 May 2020 at 11:37, Arnaldo Carvalho de Melo > wrote: > > > > Em Mon, May 04, 2020 at 02:07:56PM -0500, Daniel Díaz escreveu: > > > Hello! > > > > > > On Fri, 24 Apr 2020 at 09:10, Andreas Gerstmayr wrote: > > > > > > > > On 24.04.20 15:07, Arnaldo Carvalho de Melo wrote: > > > > > Em Thu, Apr 23, 2020 at 04:28:46PM -0500, Daniel Díaz escreveu: > > > > >> On Wed, 22 Apr 2020 at 07:09, Ingo Molnar wrote: > > > > >>>> 85 files changed, 1851 insertions(+), 513 deletions(-) > > > > > > > > > >>> Pulled, thanks a lot Arnaldo! > > > > > > > > > >> Our OpenEmbedded builds detected an issue with 5287f9269206 ("perf > > > > >> script: Add flamegraph.py script"): > > > > >> ERROR: perf-1.0-r9 do_package_qa: QA Issue: > > > > >> /usr/libexec/perf-core/scripts/python/bin/flamegraph-report contained > > > > >> in package perf-python requires /usr/bin/sh, but no providers found in > > > > >> RDEPENDS_perf-python? [file-rdeps] > > > > > > > > > > > > > > > yeah, the flamegraph scripts are the outliers, there, everything else is > > > > > using /bin/bash, so I'll switch to that, ok Andreas? > > > > > > > > Sure, no problem. Thanks! > > > > > > Just a gentle reminder that this can still be fixed in today's > > > linux-next tree (next-20200504). > > > > Thanks for the reminder, I've just added this to my tree: > > > > commit c74ab13a30d3bec443c116e25b611255c58f32c0 > > Author: Arnaldo Carvalho de Melo > > Date: Tue May 5 13:33:12 2020 -0300 > > > > perf flamegraph: Use /bin/bash for report script > > > > As all the other tools/perf/scripts/python/bin/*-report scripts, fixing > > the this problem reported by Daniel Diaz: > > > > Our OpenEmbedded builds detected an issue with 5287f9269206 ("perf > > script: Add flamegraph.py script"): > > ERROR: perf-1.0-r9 do_package_qa: QA Issue: > > /usr/libexec/perf-core/scripts/python/bin/flamegraph-report contained > > in package perf-python requires /usr/bin/sh, but no providers found in > > RDEPENDS_perf-python? [file-rdeps] > > > > This means that there is a new binary pulled in in the shebang line > > which was unaccounted for: `/usr/bin/sh`. I don't see any other usage > > of /usr/bin/sh in the kernel tree (does not even exist on my Ubuntu > > dev machine) but plenty of /bin/sh. This patch is needed: > > -----8<----------8<----------8<----- > > diff --git a/tools/perf/scripts/python/bin/flamegraph-record > > b/tools/perf/scripts/python/bin/flamegraph-record > > index 725d66e71570..a2f3fa25ef81 100755 > > --- a/tools/perf/scripts/python/bin/flamegraph-record > > +++ b/tools/perf/scripts/python/bin/flamegraph-record > > @@ -1,2 +1,2 @@ > > -#!/usr/bin/sh > > +#!/bin/sh > > perf record -g "$@" > > diff --git a/tools/perf/scripts/python/bin/flamegraph-report > > b/tools/perf/scripts/python/bin/flamegraph-report > > index b1a79afd903b..b0177355619b 100755 > > --- a/tools/perf/scripts/python/bin/flamegraph-report > > +++ b/tools/perf/scripts/python/bin/flamegraph-report > > @@ -1,3 +1,3 @@ > > -#!/usr/bin/sh > > +#!/bin/sh > > # description: create flame graphs > > perf script -s "$PERF_EXEC_PATH"/scripts/python/flamegraph.py -- "$@" > > ----->8---------->8---------->8----- > > > > Fixes: 5287f9269206 ("perf script: Add flamegraph.py script") > > Reported-by: Daniel Díaz > > Cc: Adrian Hunter > > Cc: Andreas Gerstmayr > > Cc: Jiri Olsa > > Cc: lkft-triage@lists.linaro.org > > Cc: Namhyung Kim > > Link: http://lore.kernel.org/lkml/CAEUSe7_wmKS361mKLTB1eYbzYXcKkXdU26BX5BojdKRz8MfPCw@mail.gmail.com > > Signed-off-by: Arnaldo Carvalho de Melo > > > > diff --git a/tools/perf/scripts/python/bin/flamegraph-report b/tools/perf/scripts/python/bin/flamegraph-report > > index b1a79afd903b..53c5dc90c87e 100755 > > --- a/tools/perf/scripts/python/bin/flamegraph-report > > +++ b/tools/perf/scripts/python/bin/flamegraph-report > > @@ -1,3 +1,3 @@ > > -#!/usr/bin/sh > > +#!/bin/bash > > # description: create flame graphs > > perf script -s "$PERF_EXEC_PATH"/scripts/python/flamegraph.py -- "$@" > > What about flamegraph-record? oops, make that this instead: commit b3a63d0c17e6e1d23a6b44502b55f066adfd8e6a Author: Arnaldo Carvalho de Melo Date: Tue May 5 13:33:12 2020 -0300 perf flamegraph: Use /bin/bash for report and record scripts As all the other tools/perf/scripts/python/bin/*-{report,record} scripts, fixing the this problem reported by Daniel Diaz: Our OpenEmbedded builds detected an issue with 5287f9269206 ("perf script: Add flamegraph.py script"): ERROR: perf-1.0-r9 do_package_qa: QA Issue: /usr/libexec/perf-core/scripts/python/bin/flamegraph-report contained in package perf-python requires /usr/bin/sh, but no providers found in RDEPENDS_perf-python? [file-rdeps] This means that there is a new binary pulled in in the shebang line which was unaccounted for: `/usr/bin/sh`. I don't see any other usage of /usr/bin/sh in the kernel tree (does not even exist on my Ubuntu dev machine) but plenty of /bin/sh. This patch is needed: -----8<----------8<----------8<----- diff --git a/tools/perf/scripts/python/bin/flamegraph-record b/tools/perf/scripts/python/bin/flamegraph-record index 725d66e71570..a2f3fa25ef81 100755 --- a/tools/perf/scripts/python/bin/flamegraph-record +++ b/tools/perf/scripts/python/bin/flamegraph-record @@ -1,2 +1,2 @@ -#!/usr/bin/sh +#!/bin/sh perf record -g "$@" diff --git a/tools/perf/scripts/python/bin/flamegraph-report b/tools/perf/scripts/python/bin/flamegraph-report index b1a79afd903b..b0177355619b 100755 --- a/tools/perf/scripts/python/bin/flamegraph-report +++ b/tools/perf/scripts/python/bin/flamegraph-report @@ -1,3 +1,3 @@ -#!/usr/bin/sh +#!/bin/sh # description: create flame graphs perf script -s "$PERF_EXEC_PATH"/scripts/python/flamegraph.py -- "$@" ----->8---------->8---------->8----- Fixes: 5287f9269206 ("perf script: Add flamegraph.py script") Reported-by: Daniel Díaz Acked-by: Andreas Gerstmayr Cc: Adrian Hunter Cc: Jiri Olsa Cc: lkft-triage@lists.linaro.org Cc: Namhyung Kim Link: http://lore.kernel.org/lkml/CAEUSe7_wmKS361mKLTB1eYbzYXcKkXdU26BX5BojdKRz8MfPCw@mail.gmail.com Link: http://lore.kernel.org/lkml/20200505163745.GD3777@redhat.com Signed-off-by: Arnaldo Carvalho de Melo diff --git a/tools/perf/scripts/python/bin/flamegraph-record b/tools/perf/scripts/python/bin/flamegraph-record index 725d66e71570..7df5a19c0163 100755 --- a/tools/perf/scripts/python/bin/flamegraph-record +++ b/tools/perf/scripts/python/bin/flamegraph-record @@ -1,2 +1,2 @@ -#!/usr/bin/sh +#!/bin/bash perf record -g "$@" diff --git a/tools/perf/scripts/python/bin/flamegraph-report b/tools/perf/scripts/python/bin/flamegraph-report index b1a79afd903b..53c5dc90c87e 100755 --- a/tools/perf/scripts/python/bin/flamegraph-report +++ b/tools/perf/scripts/python/bin/flamegraph-report @@ -1,3 +1,3 @@ -#!/usr/bin/sh +#!/bin/bash # description: create flame graphs perf script -s "$PERF_EXEC_PATH"/scripts/python/flamegraph.py -- "$@"