Message-ID: <Z4bega1SChsGKqe6@ghost>
Date: Tue, 14 Jan 2025 14:00:33 -0800
From: Charlie Jenkins <charlie@...osinc.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Mickaël Salaün <mic@...ikod.net>,
	Günther Noack <gnoack@...gle.com>,
	Christian Brauner <brauner@...nel.org>, Guo Ren <guoren@...nel.org>,
	John Garry <john.g.garry@...cle.com>, Will Deacon <will@...nel.org>,
	James Clark <james.clark@...aro.org>,
	Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>,
	Jonathan Corbet <corbet@....net>, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-security-module@...r.kernel.org, bpf@...r.kernel.org,
	linux-csky@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v6 00/16] perf tools: Use generic syscall scripts for all
 archs

On Tue, Jan 14, 2025 at 11:27:30AM -0800, Charlie Jenkins wrote:
> On Tue, Jan 14, 2025 at 02:58:26PM -0300, Arnaldo Carvalho de Melo wrote:
> > On Mon, Jan 13, 2025 at 11:55:05AM -0300, Arnaldo Carvalho de Melo wrote:
> > > On Fri, Jan 10, 2025 at 11:31:01AM -0800, Charlie Jenkins wrote:
> > > > On Thu, Jan 09, 2025 at 03:00:59PM -0800, Charlie Jenkins wrote:
> > > > > Ooh okay I see, the quiet commands were being ignored as-is. We could
> > > > > add the lines to handle this to Makefile.syscalls, but I think the
> > > > > better solution is to move the lines from Makefile.build to
> > > > > Makefile.perf to be more generically available. Here is a patch for
> > > > > that. I also added the comment from the kernel Makefile describing what
> > > > > this does.
> > > 
> > > > > From 8dcec7f5d937ede3d33c687573dc2f1654ddc59e Mon Sep 17 00:00:00 2001
> > > > > From: Charlie Jenkins <charlie@...osinc.com>
> > > > > Date: Thu, 9 Jan 2025 14:36:40 -0800
> > > > > Subject: [PATCH] perf tools: Expose quiet/verbose variables in Makefile.perf
> > > > > 
> > > > > The variables to make builds silent/verbose live inside
> > > > > tools/build/Makefile.build. Move those variables to the top-level
> > > > > Makefile.perf to be generally available.
> > > 
> > > <SNIP applied patch>
> > >  
> > > > Let me know how you want to handle this, I can send this out as a
> > > > separate patch if that's better.
> > > 
> > > I used the patch you provided above after hand editing the message
> > > before feeding it to 'git am', added these comments:
> > 
> > Somehow this is causing some trouble:
> > 
> > ⬢ [acme@...lbox perf-tools-next]$ make -C tools/perf build-test
> > make: Entering directory '/home/acme/git/perf-tools-next/tools/perf'
> > - tarpkg: ./tests/perf-targz-src-pkg .
> > /bin/sh: line 1: @make: command not found
> > make[4]: *** [Makefile:27: clean-asm_pure_loop] Error 127
> > make[3]: *** [Makefile.perf:764: tests-coresight-targets-clean] Error 2
> > make[2]: *** [Makefile:96: clean] Error 2
> > make[1]: *** [tests/make:330: make_static] Error 2
> > make: *** [Makefile:109: build-test] Error 2
> > make: Leaving directory '/home/acme/git/perf-tools-next/tools/perf'
> > ⬢ [acme@...lbox perf-tools-next]$
> > 
> > Can you please try fixing it as I'm busy now (I'll be on vacation from
> > tomorrow till early February)? This is what I extracted:
> 
> There was an erroneous $(Q) in
> tools/perf/tests/shell/coresight/Makefile. Previously it would expand to
> the empty string so wouldn't cause any problems, but now it's in the
> middle of an expression so hence the error. I'll send an updated patch.

Let me know if this works as expected! I sent it as [1].

[1] https://lore.kernel.org/all/20250114-perf_make_test-v1-1-decc1c517b11@rivosinc.com/

> 
> > 
> > commit c199fd785d18121ffd0ba5758e23a42ba2984e11
> > Author: Charlie Jenkins <charlie@...osinc.com>
> > Date:   Mon Jan 13 11:50:55 2025 -0300
> > 
> >     perf tools: Expose quiet/verbose variables in Makefile.perf
> >     
> >     The variables to make builds silent/verbose live inside
> >     tools/build/Makefile.build. Move those variables to the top-level
> >     Makefile.perf to be generally available.
> >     
> >     Committer testing:
> >     
> >     See the SYSCALL lines, now they are consistent with the other
> >     operations in other lines:
> >     
> >       SYSTBL  /tmp/build/perf-tools-next/arch/x86/include/generated/asm/syscalls_32.h
> >       SYSTBL  /tmp/build/perf-tools-next/arch/x86/include/generated/asm/syscalls_64.h
> >       GEN     /tmp/build/perf-tools-next/common-cmds.h
> >       GEN     /tmp/build/perf-tools-next/arch/arm64/include/generated/asm/sysreg-defs.h
> >       PERF_VERSION = 6.13.rc2.g3d94bb6ed1d0
> >       GEN     perf-archive
> >       MKDIR   /tmp/build/perf-tools-next/jvmti/
> >       MKDIR   /tmp/build/perf-tools-next/jvmti/
> >       MKDIR   /tmp/build/perf-tools-next/jvmti/
> >       MKDIR   /tmp/build/perf-tools-next/jvmti/
> >       GEN     perf-iostat
> >       CC      /tmp/build/perf-tools-next/jvmti/libjvmti.o
> >       CC      /tmp/build/perf-tools-next/jvmti/jvmti_agent.o
> >     
> >     Reported-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> >     Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
> >     Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> >     Cc: Adrian Hunter <adrian.hunter@...el.com>
> >     Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
> >     Cc: Arnd Bergmann <arnd@...db.de>
> >     Cc: Christian Brauner <brauner@...nel.org>
> >     Cc: Guo Ren <guoren@...nel.org>
> >     Cc: Günther Noack <gnoack@...gle.com>
> >     Cc: Ian Rogers <irogers@...gle.com>
> >     Cc: Ingo Molnar <mingo@...hat.com>
> >     Cc: James Clark <james.clark@...aro.org>
> >     Cc: Jiri Olsa <jolsa@...nel.org>
> >     Cc: John Garry <john.g.garry@...cle.com>
> >     Cc: Jonathan Corbet <corbet@....net>
> >     Cc: Leo Yan <leo.yan@...ux.dev>
> >     Cc: Mark Rutland <mark.rutland@....com>
> >     Cc: Mickaël Salaün <mic@...ikod.net>
> >     Cc: Mike Leach <mike.leach@...aro.org>
> >     Cc: Namhyung Kim <namhyung@...nel.org>
> >     Cc: Palmer Dabbelt <palmer@...belt.com>
> >     Cc: Paul Walmsley <paul.walmsley@...ive.com>
> >     Cc: Peter Zijlstra <peterz@...radead.org>
> >     Cc: Will Deacon <will@...nel.org>
> >     Link: http://lore.kernel.org/lkml/None
> >     Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> > 
> > diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
> > index 5fb3fb3d97e0fd11..e710ed67a1b49d9f 100644
> > --- a/tools/build/Makefile.build
> > +++ b/tools/build/Makefile.build
> > @@ -12,26 +12,6 @@
> >  PHONY := __build
> >  __build:
> >  
> > -ifeq ($(V),1)
> > -  quiet =
> > -  Q =
> > -else
> > -  quiet=quiet_
> > -  Q=@
> > -endif
> > -
> > -# If the user is running make -s (silent mode), suppress echoing of commands
> > -# make-4.0 (and later) keep single letter options in the 1st word of MAKEFLAGS.
> > -ifeq ($(filter 3.%,$(MAKE_VERSION)),)
> > -short-opts := $(firstword -$(MAKEFLAGS))
> > -else
> > -short-opts := $(filter-out --%,$(MAKEFLAGS))
> > -endif
> > -
> > -ifneq ($(findstring s,$(short-opts)),)
> > -  quiet=silent_
> > -endif
> > -
> >  build-dir := $(srctree)/tools/build
> >  
> >  # Define $(fixdep) for dep-cmd function
> > diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> > index a449d00155364422..55d6ce9ea52fb2a5 100644
> > --- a/tools/perf/Makefile.perf
> > +++ b/tools/perf/Makefile.perf
> > @@ -161,12 +161,47 @@ export VPATH
> >  SOURCE := $(shell ln -sf $(srctree)/tools/perf $(OUTPUT)/source)
> >  endif
> >  
> > +# Beautify output
> > +# ---------------------------------------------------------------------------
> > +#
> > +# Most of build commands in Kbuild start with "cmd_". You can optionally define
> > +# "quiet_cmd_*". If defined, the short log is printed. Otherwise, no log from
> > +# that command is printed by default.
> > +#
> > +# e.g.)
> > +#    quiet_cmd_depmod = DEPMOD  $(MODLIB)
> > +#          cmd_depmod = $(srctree)/scripts/depmod.sh $(DEPMOD) $(KERNELRELEASE)
> > +#
> > +# A simple variant is to prefix commands with $(Q) - that's useful
> > +# for commands that shall be hidden in non-verbose mode.
> > +#
> > +#    $(Q)$(MAKE) $(build)=scripts/basic
> > +#
> > +# To put more focus on warnings, be less verbose as default
> > +# Use 'make V=1' to see the full commands
> > +
> >  ifeq ($(V),1)
> > +  quiet =
> >    Q =
> >  else
> > -  Q = @
> > +  quiet=quiet_
> > +  Q=@
> >  endif
> >  
> > +# If the user is running make -s (silent mode), suppress echoing of commands
> > +# make-4.0 (and later) keep single letter options in the 1st word of MAKEFLAGS.
> > +ifeq ($(filter 3.%,$(MAKE_VERSION)),)
> > +short-opts := $(firstword -$(MAKEFLAGS))
> > +else
> > +short-opts := $(filter-out --%,$(MAKEFLAGS))
> > +endif
> > +
> > +ifneq ($(findstring s,$(short-opts)),)
> > +  quiet=silent_
> > +endif
> > +
> > +export quiet Q
> > +
> >  # Do not use make's built-in rules
> >  # (this improves performance and avoids hard-to-debug behaviour);
> >  MAKEFLAGS += -r

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