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Message-ID: <20241017140914.3200454-3-tglozar@redhat.com>
Date: Thu, 17 Oct 2024 16:09:10 +0200
From: tglozar@...hat.com
To: rostedt@...dmis.org
Cc: linux-trace-kernel@...r.kernel.org,
linux-kernel@...r.kernel.org,
jkacur@...hat.com,
jwyatt@...hat.com,
Tomas Glozar <tglozar@...hat.com>
Subject: [PATCH v5 2/6] rtla: Add optional dependency on libcpupower
From: Tomas Glozar <tglozar@...hat.com>
If libcpupower is present, set HAVE_LIBCPUPOWER_SUPPORT macro to allow
features depending on libcpupower in rtla.
Signed-off-by: Tomas Glozar <tglozar@...hat.com>
---
tools/tracing/rtla/Makefile | 2 ++
tools/tracing/rtla/Makefile.config | 10 ++++++++++
2 files changed, 12 insertions(+)
diff --git a/tools/tracing/rtla/Makefile b/tools/tracing/rtla/Makefile
index b5878be36125..a6a7dee16622 100644
--- a/tools/tracing/rtla/Makefile
+++ b/tools/tracing/rtla/Makefile
@@ -32,8 +32,10 @@ DOCSRC := ../../../Documentation/tools/rtla/
FEATURE_TESTS := libtraceevent
FEATURE_TESTS += libtracefs
+FEATURE_TESTS += libcpupower
FEATURE_DISPLAY := libtraceevent
FEATURE_DISPLAY += libtracefs
+FEATURE_DISPLAY += libcpupower
ifeq ($(V),1)
Q =
diff --git a/tools/tracing/rtla/Makefile.config b/tools/tracing/rtla/Makefile.config
index 5f8c286712d4..92a6e12e42d3 100644
--- a/tools/tracing/rtla/Makefile.config
+++ b/tools/tracing/rtla/Makefile.config
@@ -43,6 +43,16 @@ else
$(info libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
endif
+$(call feature_check,libcpupower)
+ifeq ($(feature-libcpupower), 1)
+ $(call detected,CONFIG_LIBCPUPOWER)
+ CFLAGS += -DHAVE_LIBCPUPOWER_SUPPORT
+ EXTLIBS += -lcpupower
+else
+ $(info libcpupower is missing, building without --deepest-idle-state support.)
+ $(info Please install libcpupower-dev/kernel-tools-libs-devel)
+endif
+
ifeq ($(STOP_ERROR),1)
$(error Please, check the errors above.)
endif
--
2.47.0
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