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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 20:00:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 20:00:20 +0000
commitfcb4cb5c3d0fec0fede160d565134d553d783fb2 (patch)
tree7be42535554ca6badc1847d83ef123f4dc3c5506 /src/cpu/intel_gpu.cpp
parentInitial commit. (diff)
downloadpowertop-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.cpp122
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;
+}
+