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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 20:00:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 20:00:20 +0000 |
commit | fcb4cb5c3d0fec0fede160d565134d553d783fb2 (patch) | |
tree | 7be42535554ca6badc1847d83ef123f4dc3c5506 /src/cpu/intel_gpu.cpp | |
parent | Initial commit. (diff) | |
download | powertop-upstream.tar.xz powertop-upstream.zip |
Adding upstream version 2.15.upstream/2.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/cpu/intel_gpu.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/cpu/intel_gpu.cpp b/src/cpu/intel_gpu.cpp new file mode 100644 index 0000000..e0f4ac2 --- /dev/null +++ b/src/cpu/intel_gpu.cpp @@ -0,0 +1,122 @@ +/* + * Copyright 2012, Intel Corporation + * + * This file is part of PowerTOP + * + * This program file is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program in a file named COPYING; if not, write to the + * Free Software Foundation, Inc, + * 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA + * or just google for it. + * + * Authors: + * Arjan van de Ven <arjan@linux.intel.com> + */ +#include "intel_cpus.h" +#include <iostream> +#include <fstream> +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/time.h> +#include <string.h> +#include <errno.h> +#include <unistd.h> + +#include "../lib.h" +#include "../parameters/parameters.h" +#include "../display.h" + +void i965_core::measurement_start(void) +{ + ifstream file; + + gettimeofday(&before, NULL); + rc6_before = read_sysfs("/sys/class/drm/card0/power/rc6_residency_ms", NULL); + rc6p_before = read_sysfs("/sys/class/drm/card0/power/rc6p_residency_ms", NULL); + rc6pp_before = read_sysfs("/sys/class/drm/card0/power/rc6pp_residency_ms", NULL); + + update_cstate("gpu c0", "Powered On", 0, 0, 1, 0); + update_cstate("gpu rc6", "RC6", 0, rc6_before, 1, 1); + update_cstate("gpu rc6p", "RC6p", 0, rc6p_before, 1, 2); + update_cstate("gpu rc6pp", "RC6pp", 0, rc6pp_before, 1, 3); +} + +char * i965_core::fill_cstate_line(int line_nr, char *buffer, const char *separator) +{ + buffer[0] = 0; + double ratio, d = -1.0, time_delta; + + if (line_nr == LEVEL_HEADER) { + sprintf(buffer,_(" GPU ")); + return buffer; + } + + buffer[0] = 0; + + time_delta = 1000000 * (after.tv_sec - before.tv_sec) + after.tv_usec - before.tv_usec; + ratio = 100000.0/time_delta; + + switch (line_nr) { + case 0: + d = 100.0 - ratio * (rc6_after + rc6p_after + rc6pp_after - rc6_before - rc6p_before - rc6pp_before); + break; + case 1: + d = ratio * (rc6_after - rc6_before); + break; + case 2: + d = ratio * (rc6p_after - rc6p_before); + break; + case 3: + d = ratio * (rc6pp_after - rc6pp_before); + break; + default: + return buffer; + } + + /* cope with rounding errors due to the measurement interval */ + if (d < 0.0) + d = 0.0; + if (d > 100.0) + d = 100.0; + + sprintf(buffer,"%5.1f%%", d); + + return buffer; +} + + +void i965_core::measurement_end(void) +{ + gettimeofday(&after, NULL); + + rc6_after = read_sysfs("/sys/class/drm/card0/power/rc6_residency_ms", NULL); + rc6p_after = read_sysfs("/sys/class/drm/card0/power/rc6p_residency_ms", NULL); + rc6pp_after = read_sysfs("/sys/class/drm/card0/power/rc6pp_residency_ms", NULL); +} + +char * i965_core::fill_pstate_line(int line_nr, char *buffer) +{ + buffer[0] = 0; + return buffer; +} + +char * i965_core::fill_pstate_name(int line_nr, char *buffer) +{ + buffer[0] = 0; + return buffer; +} + |