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Mon, 03 Feb 2025 10:56:52 -0800 (PST) Date: Mon, 3 Feb 2025 10:56:48 -0800 From: Charlie Jenkins To: Jiri Olsa Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Ian Rogers , Adrian Hunter , Suzuki K Poulose , Mike Leach , James Clark , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, Arnaldo Carvalho de Melo , Daniel Xu Subject: Re: [PATCH FOR-NEXT] perf tools: Expose quiet/verbose variables in Makefile.perf Message-ID: References: <20250114-perf_make_test-v1-1-decc1c517b11@rivosinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Feb 03, 2025 at 10:29:39AM +0100, Jiri Olsa wrote: > On Tue, Jan 14, 2025 at 11:35:44AM -0800, Charlie Jenkins wrote: > > 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 > > > > Reported-by: Arnaldo Carvalho de Melo > > Signed-off-by: Charlie Jenkins > > Tested-by: Arnaldo Carvalho de Melo > > --- > > tools/build/Makefile.build | 20 ----------------- > > tools/perf/Makefile.perf | 37 ++++++++++++++++++++++++++++++- > > tools/perf/tests/shell/coresight/Makefile | 2 +- > > 3 files changed, 37 insertions(+), 22 deletions(-) > > > > diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build > > index 5fb3fb3d97e0fd114e245805809e4fc926b4343e..e710ed67a1b49d9fda11db02821bbd8d36066b44 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 > > hi, > if we move this out of here, we need to fix other tools that rely on that, > bpftool and resolve_btfids do not build quietly now > > but not sure what was the reason of moving it out, the code in Makefile.perf > seems same as the one above perf/Makefile.syscalls wanted to support quiet building. Makefile.perf imports both Makefile.syscalls and Makefile.build, so I moved this quiet infrastructure into Makefile.perf so that both of these files could use it. I was trying to move the quiet infrastructure higher up in the callchain so that the code did not need to be duplicated. Perhaps it is better to move this into a separate file that exports "quiet" and "Q" and then can be imported from bpf/Makefile, perf/Makefile.perf, and any other tool that wants to have quiet builds? - Charlie > > thanks, > jirka > > > > > > # Define $(fixdep) for dep-cmd function > > diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf > > index a449d0015536442273a9268b37be34e4757f577a..55d6ce9ea52fb2a57b8632cc6d0ddc501e29cbfc 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 > > diff --git a/tools/perf/tests/shell/coresight/Makefile b/tools/perf/tests/shell/coresight/Makefile > > index b070e779703e9fbd70f88c826172b2150ee3d302..fa08fd9a5991dd889583edc1afe8304e72278f64 100644 > > --- a/tools/perf/tests/shell/coresight/Makefile > > +++ b/tools/perf/tests/shell/coresight/Makefile > > @@ -24,6 +24,6 @@ CLEANDIRS = $(SUBDIRS:%=clean-%) > > > > clean: $(CLEANDIRS) > > $(CLEANDIRS): > > - $(call QUIET_CLEAN, test-$(@:clean-%=%)) $(Q)$(MAKE) -C $(@:clean-%=%) clean >/dev/null > > + $(call QUIET_CLEAN, test-$(@:clean-%=%)) $(MAKE) -C $(@:clean-%=%) clean >/dev/null > > > > .PHONY: all clean $(SUBDIRS) $(CLEANDIRS) $(INSTALLDIRS) > > > > --- > > base-commit: e9cbc854d8b148e3491291fb615e94261970fb54 > > change-id: 20250114-perf_make_test-1141d4ad8877 > > -- > > - Charlie > >