From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: acme@kernel.org
Cc: acme@infradead.org, peterz@infradead.org, jolsa@kernel.org,
mingo@redhat.com, alexander.shishkin@linux.intel.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH V8 1/7] perf tools: confining __get_cpuid() to x86 architecture
Date: Fri, 16 Sep 2016 09:49:58 -0600 [thread overview]
Message-ID: <1474041004-13956-2-git-send-email-mathieu.poirier@linaro.org> (raw)
In-Reply-To: <1474041004-13956-1-git-send-email-mathieu.poirier@linaro.org>
The __get_cpuid() test is only valid when compiling for x86.
When compiling for other architectures like ARM/ARM64 the test
fails event if the functionality is not required.
This patch isolate the build-in feature check to x86 platform,
allowing the compilation and usage of PMUs that use the AUXTRACE
infrastructure on other architectures (i.e ARM CoreSight).
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/Makefile.config | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 24803c58049a..72edf83d76b7 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -746,10 +746,13 @@ ifdef LIBBABELTRACE
endif
ifndef NO_AUXTRACE
- ifeq ($(feature-get_cpuid), 0)
- msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
- NO_AUXTRACE := 1
- else
+ ifeq ($(ARCH),x86)
+ ifeq ($(feature-get_cpuid), 0)
+ msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
+ NO_AUXTRACE := 1
+ endif
+ endif
+ ifndef NO_AUXTRACE
$(call detected,CONFIG_AUXTRACE)
CFLAGS += -DHAVE_AUXTRACE_SUPPORT
endif
--
2.7.4
next prev parent reply other threads:[~2016-09-16 15:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-16 15:49 [PATCH V8 0/7] perf: Driver specific configuration for PMU Mathieu Poirier
2016-09-16 15:49 ` Mathieu Poirier [this message]
2016-09-23 5:25 ` [tip:perf/core] perf tools: Confine __get_cpuid() to x86 architecture tip-bot for Mathieu Poirier
2016-09-16 15:49 ` [PATCH V8 2/7] perf tools: making coresight PMU listable Mathieu Poirier
2016-09-23 5:26 ` [tip:perf/core] perf tools: Make " tip-bot for Mathieu Poirier
2016-09-16 15:50 ` [PATCH V8 3/7] perf tools: adding coresight etm PMU record capabilities Mathieu Poirier
2016-09-23 5:26 ` [tip:perf/core] perf tools: Add " tip-bot for Mathieu Poirier
2016-09-16 15:50 ` [PATCH V8 4/7] perf tools: add infrastructure for PMU specific configuration Mathieu Poirier
2016-09-16 15:50 ` [PATCH V8 5/7] perf tools: pushing configuration down to PMU driver Mathieu Poirier
2016-09-23 5:27 ` [tip:perf/core] perf pmu: Push " tip-bot for Mathieu Poirier
2016-09-16 15:50 ` [PATCH V8 6/7] perf tools: adding PMU configuration to tools Mathieu Poirier
2016-09-23 5:27 ` [tip:perf/core] perf tools: Add " tip-bot for Mathieu Poirier
2016-09-16 15:50 ` [PATCH V8 7/7] perf tools: adding sink configuration for cs_etm PMU Mathieu Poirier
2016-09-23 5:28 ` [tip:perf/core] perf tools: Add " tip-bot for Mathieu Poirier
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