[Intel-gfx] [PATCH v2 1/3] drm/i915/selftests: Rename librapl library to libpower

Gupta, Anshuman anshuman.gupta at intel.com
Fri Nov 11 08:19:43 UTC 2022



> -----Original Message-----
> From: Tauro, Riana <riana.tauro at intel.com>
> Sent: Monday, November 7, 2022 10:23 AM
> To: intel-gfx at lists.freedesktop.org
> Cc: Tauro, Riana <riana.tauro at intel.com>; Gupta, Anshuman
> <anshuman.gupta at intel.com>; Dixit, Ashutosh <ashutosh.dixit at intel.com>;
> Tangudu, Tilak <tilak.tangudu at intel.com>; Nilawar, Badal
> <badal.nilawar at intel.com>
> Subject: [PATCH v2 1/3] drm/i915/selftests: Rename librapl library to libpower
> 
> Rename librapl files to libpower and replace librapl with libpower prefix. No
> functional changes
> 
> v2: update commit message (Anshuman)
> 
> Signed-off-by: Riana Tauro <riana.tauro at intel.com>
Looks Good to me.
Reviewed-by: Anshuman Gupta <anshuman.gupta at intel.com>
> ---
>  drivers/gpu/drm/i915/Makefile                   |  2 +-
>  drivers/gpu/drm/i915/gt/selftest_rc6.c          | 12 ++++++------
>  drivers/gpu/drm/i915/gt/selftest_rps.c          |  8 ++++----
>  drivers/gpu/drm/i915/gt/selftest_slpc.c         |  2 +-
>  .../i915/selftests/{librapl.c => libpower.c}    | 10 +++++-----
>  drivers/gpu/drm/i915/selftests/libpower.h       | 17 +++++++++++++++++
>  drivers/gpu/drm/i915/selftests/librapl.h        | 17 -----------------
>  7 files changed, 34 insertions(+), 34 deletions(-)  rename
> drivers/gpu/drm/i915/selftests/{librapl.c => libpower.c} (69%)  create mode
> 100644 drivers/gpu/drm/i915/selftests/libpower.h
>  delete mode 100644 drivers/gpu/drm/i915/selftests/librapl.h
> 
> diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> index 51704b54317c..2d72b07d8542 100644
> --- a/drivers/gpu/drm/i915/Makefile
> +++ b/drivers/gpu/drm/i915/Makefile
> @@ -340,7 +340,7 @@ i915-$(CONFIG_DRM_I915_SELFTEST) += \
>  	selftests/igt_mmap.o \
>  	selftests/igt_reset.o \
>  	selftests/igt_spinner.o \
> -	selftests/librapl.o
> +	selftests/libpower.o
> 
>  # virtual gpu code
>  i915-y += i915_vgpu.o
> diff --git a/drivers/gpu/drm/i915/gt/selftest_rc6.c
> b/drivers/gpu/drm/i915/gt/selftest_rc6.c
> index 8c70b7e12074..aacff50dfa89 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_rc6.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_rc6.c
> @@ -11,7 +11,7 @@
>  #include "selftest_rc6.h"
> 
>  #include "selftests/i915_random.h"
> -#include "selftests/librapl.h"
> +#include "selftests/libpower.h"
> 
>  static u64 rc6_residency(struct intel_rc6 *rc6)  { @@ -51,7 +51,7 @@ int
> live_rc6_manual(void *arg)
>  	if (IS_VALLEYVIEW(gt->i915) || IS_CHERRYVIEW(gt->i915))
>  		return 0;
> 
> -	has_power = librapl_supported(gt->i915);
> +	has_power = libpower_supported(gt->i915);
>  	wakeref = intel_runtime_pm_get(gt->uncore->rpm);
> 
>  	/* Force RC6 off for starters */
> @@ -61,9 +61,9 @@ int live_rc6_manual(void *arg)
>  	res[0] = rc6_residency(rc6);
> 
>  	dt = ktime_get();
> -	rc0_power = librapl_energy_uJ();
> +	rc0_power = libpower_get_energy_uJ();
>  	msleep(250);
> -	rc0_power = librapl_energy_uJ() - rc0_power;
> +	rc0_power = libpower_get_energy_uJ() - rc0_power;
>  	dt = ktime_sub(ktime_get(), dt);
>  	res[1] = rc6_residency(rc6);
>  	if ((res[1] - res[0]) >> 10) {
> @@ -89,9 +89,9 @@ int live_rc6_manual(void *arg)
>  	res[0] = rc6_residency(rc6);
>  	intel_uncore_forcewake_flush(rc6_to_uncore(rc6), FORCEWAKE_ALL);
>  	dt = ktime_get();
> -	rc6_power = librapl_energy_uJ();
> +	rc6_power = libpower_get_energy_uJ();
>  	msleep(100);
> -	rc6_power = librapl_energy_uJ() - rc6_power;
> +	rc6_power = libpower_get_energy_uJ() - rc6_power;
>  	dt = ktime_sub(ktime_get(), dt);
>  	res[1] = rc6_residency(rc6);
>  	if (res[1] == res[0]) {
> diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c
> b/drivers/gpu/drm/i915/gt/selftest_rps.c
> index 99a372486fb7..3287698c655b 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_rps.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_rps.c
> @@ -19,7 +19,7 @@
>  #include "selftest_rps.h"
>  #include "selftests/igt_flush_test.h"
>  #include "selftests/igt_spinner.h"
> -#include "selftests/librapl.h"
> +#include "selftests/libpower.h"
> 
>  /* Try to isolate the impact of cstates from determing frequency response */
> #define CPU_LATENCY 0 /* -1 to disable pm_qos, 0 to disable cstates */ @@ -
> 1099,9 +1099,9 @@ static u64 __measure_power(int duration_ms)
>  	u64 dE, dt;
> 
>  	dt = ktime_get();
> -	dE = librapl_energy_uJ();
> +	dE = libpower_get_energy_uJ();
>  	usleep_range(1000 * duration_ms, 2000 * duration_ms);
> -	dE = librapl_energy_uJ() - dE;
> +	dE = libpower_get_energy_uJ() - dE;
>  	dt = ktime_get() - dt;
> 
>  	return div64_u64(1000 * 1000 * dE, dt); @@ -1147,7 +1147,7 @@ int
> live_rps_power(void *arg)
>  	if (!intel_rps_is_enabled(rps) || GRAPHICS_VER(gt->i915) < 6)
>  		return 0;
> 
> -	if (!librapl_supported(gt->i915))
> +	if (!libpower_supported(gt->i915))
>  		return 0;
> 
>  	if (igt_spinner_init(&spin, gt))
> diff --git a/drivers/gpu/drm/i915/gt/selftest_slpc.c
> b/drivers/gpu/drm/i915/gt/selftest_slpc.c
> index 82ec95a299f6..5f99392bf755 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_slpc.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_slpc.c
> @@ -161,7 +161,7 @@ static int slpc_power(struct intel_gt *gt, struct
> intel_engine_cs *engine)
>  	 * actually saves power. Let's see if our RAPL measurement supports
>  	 * that theory.
>  	 */
> -	if (!librapl_supported(gt->i915))
> +	if (!libpower_supported(gt->i915))
>  		return 0;
> 
>  	min.freq = slpc->min_freq;
> diff --git a/drivers/gpu/drm/i915/selftests/librapl.c
> b/drivers/gpu/drm/i915/selftests/libpower.c
> similarity index 69%
> rename from drivers/gpu/drm/i915/selftests/librapl.c
> rename to drivers/gpu/drm/i915/selftests/libpower.c
> index eb03b5b28bad..c66e993c5f85 100644
> --- a/drivers/gpu/drm/i915/selftests/librapl.c
> +++ b/drivers/gpu/drm/i915/selftests/libpower.c
> @@ -1,23 +1,23 @@
>  // SPDX-License-Identifier: MIT
>  /*
> - * Copyright © 2020 Intel Corporation
> + * Copyright © 2022 Intel Corporation
>   */
> 
>  #include <asm/msr.h>
> 
>  #include "i915_drv.h"
> -#include "librapl.h"
> +#include "libpower.h"
> 
> -bool librapl_supported(const struct drm_i915_private *i915)
> +bool libpower_supported(const struct drm_i915_private *i915)
>  {
>  	/* Discrete cards require hwmon integration */
>  	if (IS_DGFX(i915))
>  		return false;
> 
> -	return librapl_energy_uJ();
> +	return libpower_get_energy_uJ();
>  }
> 
> -u64 librapl_energy_uJ(void)
> +u64 libpower_get_energy_uJ(void)
>  {
>  	unsigned long long power;
>  	u32 units;
> diff --git a/drivers/gpu/drm/i915/selftests/libpower.h
> b/drivers/gpu/drm/i915/selftests/libpower.h
> new file mode 100644
> index 000000000000..5352981eb946
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/selftests/libpower.h
> @@ -0,0 +1,17 @@
> +/* SPDX-License-Identifier: MIT */
> +/*
> + * Copyright © 2022 Intel Corporation
> + */
> +
> +#ifndef SELFTEST_LIBPOWER_H
> +#define SELFTEST_LIBPOWER_H
> +
> +#include <linux/types.h>
> +
> +struct drm_i915_private;
> +
> +bool libpower_supported(const struct drm_i915_private *i915);
> +
> +u64 libpower_get_energy_uJ(void);
> +
> +#endif /* SELFTEST_LIBPOWER_H */
> diff --git a/drivers/gpu/drm/i915/selftests/librapl.h
> b/drivers/gpu/drm/i915/selftests/librapl.h
> deleted file mode 100644
> index e3b24fad0a7a..000000000000
> --- a/drivers/gpu/drm/i915/selftests/librapl.h
> +++ /dev/null
> @@ -1,17 +0,0 @@
> -/* SPDX-License-Identifier: MIT */
> -/*
> - * Copyright © 2020 Intel Corporation
> - */
> -
> -#ifndef SELFTEST_LIBRAPL_H
> -#define SELFTEST_LIBRAPL_H
> -
> -#include <linux/types.h>
> -
> -struct drm_i915_private;
> -
> -bool librapl_supported(const struct drm_i915_private *i915);
> -
> -u64 librapl_energy_uJ(void);
> -
> -#endif /* SELFTEST_LIBRAPL_H */
> --
> 2.25.1



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