tools/testing/selftests/intel_pstate/Makefile

CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE
LDLIBS := $(LDLIBS) -lm

TEST_GEN_FILES := msr aperf

TEST_PROGS := run.sh

include ../lib.mk

$(TEST_GEN_FILES): $(HEADERS)
tools, testing, add test for intel_pstate driver This test used the cpupower utility to set the cpu frequency from the maximum turbo value to the minimum supported value in steps of 100 MHz. The results are displayed in a table which indicate the "Target" state, or the requested frequency in MHz, the Actual frequency, as read from /proc/cpuinfo, the difference between the Target and Actual frequencies, and the value of MSR 0x199 (MSR_IA32_PERF_CTL) which indicates what pstate the cpu is in, and the value of /sys/devices/system/cpu/intel_pstate/max_perf_pct X maximum turbo state Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: linux-api@vger.kernel.org Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2015-11-18 12:04:48 -05:00			`CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE`
selftest/intel_pstate/aperf: Use LDLIBS instead of LDFLAGS Build of aperf fails as below: ``` gcc -Wall -D_GNU_SOURCE -lm aperf.c -o /tools/testing/selftests/intel_pstate/aperf /tmp/ccKf3GF6.o: In function `main': aperf.c:(.text+0x278): undefined reference to `sqrt' collect2: error: ld returned 1 exit status ``` The faulure occurs because -lm was defined as LDFLAGS and implicit rule of make places LDFLAGS before source file. This commit fixes the problem by using LDLIBS instead of LDFLAGS. Signed-off-by: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2017-06-18 09:56:03 +09:00			`LDLIBS := $(LDLIBS) -lm`
tools, testing, add test for intel_pstate driver This test used the cpupower utility to set the cpu frequency from the maximum turbo value to the minimum supported value in steps of 100 MHz. The results are displayed in a table which indicate the "Target" state, or the requested frequency in MHz, the Actual frequency, as read from /proc/cpuinfo, the difference between the Target and Actual frequencies, and the value of MSR 0x199 (MSR_IA32_PERF_CTL) which indicates what pstate the cpu is in, and the value of /sys/devices/system/cpu/intel_pstate/max_perf_pct X maximum turbo state Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: linux-api@vger.kernel.org Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2015-11-18 12:04:48 -05:00
selftests/intel_pstate: Update makefile to match new style Recent changes from Bamvor (88baa78d1f318) have standardized the variable names like TEST_GEN_FILES and removed the need for make targets all and clean. These changes bring the intel_pstate test inline with those changes. Cc: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2017-01-12 00:16:06 +09:00			`TEST_GEN_FILES := msr aperf`
tools, testing, add test for intel_pstate driver This test used the cpupower utility to set the cpu frequency from the maximum turbo value to the minimum supported value in steps of 100 MHz. The results are displayed in a table which indicate the "Target" state, or the requested frequency in MHz, the Actual frequency, as read from /proc/cpuinfo, the difference between the Target and Actual frequencies, and the value of MSR 0x199 (MSR_IA32_PERF_CTL) which indicates what pstate the cpu is in, and the value of /sys/devices/system/cpu/intel_pstate/max_perf_pct X maximum turbo state Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: linux-api@vger.kernel.org Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2015-11-18 12:04:48 -05:00
selftests/intel_pstate: Update makefile to match new style Recent changes from Bamvor (88baa78d1f318) have standardized the variable names like TEST_GEN_FILES and removed the need for make targets all and clean. These changes bring the intel_pstate test inline with those changes. Cc: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2017-01-12 00:16:06 +09:00			`TEST_PROGS := run.sh`
tools, testing, add test for intel_pstate driver This test used the cpupower utility to set the cpu frequency from the maximum turbo value to the minimum supported value in steps of 100 MHz. The results are displayed in a table which indicate the "Target" state, or the requested frequency in MHz, the Actual frequency, as read from /proc/cpuinfo, the difference between the Target and Actual frequencies, and the value of MSR 0x199 (MSR_IA32_PERF_CTL) which indicates what pstate the cpu is in, and the value of /sys/devices/system/cpu/intel_pstate/max_perf_pct X maximum turbo state Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: linux-api@vger.kernel.org Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2015-11-18 12:04:48 -05:00
selftests/intel_pstate: Update makefile to match new style Recent changes from Bamvor (88baa78d1f318) have standardized the variable names like TEST_GEN_FILES and removed the need for make targets all and clean. These changes bring the intel_pstate test inline with those changes. Cc: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2017-01-12 00:16:06 +09:00			`include ../lib.mk`
tools, testing, add test for intel_pstate driver This test used the cpupower utility to set the cpu frequency from the maximum turbo value to the minimum supported value in steps of 100 MHz. The results are displayed in a table which indicate the "Target" state, or the requested frequency in MHz, the Actual frequency, as read from /proc/cpuinfo, the difference between the Target and Actual frequencies, and the value of MSR 0x199 (MSR_IA32_PERF_CTL) which indicates what pstate the cpu is in, and the value of /sys/devices/system/cpu/intel_pstate/max_perf_pct X maximum turbo state Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: linux-api@vger.kernel.org Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2015-11-18 12:04:48 -05:00
selftests/intel_pstate: Update makefile to match new style Recent changes from Bamvor (88baa78d1f318) have standardized the variable names like TEST_GEN_FILES and removed the need for make targets all and clean. These changes bring the intel_pstate test inline with those changes. Cc: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2017-01-12 00:16:06 +09:00			`$(TEST_GEN_FILES): $(HEADERS)`