Re: [Nouveau] [PATCH v4 10/37] add daemon to compare nouveau with blob voltage
On 18/04/16 22:13, Karol Herbst wrote:
this tool can be run alongside the nvidia driver to print information about
the current p/cstate, which voltage was set by nvidia and what nouveau would
set in the same situation.
v4: parse default options
Signed-off-by: Karol Herbst
---
bin/nv_cmp_volt.c | 139 ++
1 file changed, 139 insertions(+)
create mode 100644 bin/nv_cmp_volt.c
diff --git a/bin/nv_cmp_volt.c b/bin/nv_cmp_volt.c
new file mode 100644
index 000..c63d91b
--- /dev/null
+++ b/bin/nv_cmp_volt.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2016 Karol Herbst
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Karol Herbst
+ */
+
+#include
+#include
+#include
+
+#include
+
+#include "util.h"
+
+int
+main(int argc, char **argv)
+{
+ struct nvif_client if_client;
+ struct nvif_device if_device;
+ struct nvkm_clk *clk;
+ struct nvkm_volt *volt;
+ struct nvkm_device *device;
+ int ret, c;
+ int old_voltage = 0, old_nouveau_voltage = 0, old_pstate = 0;
+ int old_cstate = 0, old_temp = 0;
+
+ while ((c = getopt(argc, argv, U_GETOPT)) != -1) {
+ switch (c) {
+ default:
+ if (!u_option(c))
+ return 1;
+ break;
+ }
+ }
+
+ ret = u_device("lib", argv[0], "error", true, true,
+ (1ULL << NVKM_SUBDEV_CLK) |
+// (1ULL << NVKM_SUBDEV_FUSE) |
+ (1ULL << NVKM_SUBDEV_GPIO) |
+// (1ULL << NVKM_SUBDEV_I2C) |
+ (1ULL << NVKM_SUBDEV_PCI) |
+// (1ULL << NVKM_SUBDEV_THERM) |
+// (1ULL << NVKM_SUBDEV_TIMER) |
// is not a C thing, it is only in c++. Please use /* */
Now, this is also a good place to say why ptherm is problematic for you
and how you will just read the reg instead.
+ (1ULL << NVKM_SUBDEV_VBIOS) |
+ (1ULL << NVKM_SUBDEV_VOLT),
+ 0x, &if_client, &if_device);
+
+ if (ret < 0)
+ return ret;
+
+ device = nvxx_device(&if_device);
+ clk = device->clk;
+// therm = device->therm;
I would say get rid of this commented code.
+ volt = device->volt;
+
+ printf("current voltage (µV), expected voltage (µV), abs diff (µV),"
+ "rel diff nouveau/nvidia (%%), pstate, cstate, temperature"
+ "(°C)\n");
+ while (true) {
+ int gpc_clock = nvkm_clk_read(clk, nv_clk_src_gpc);
+ int mem_clock = nvkm_clk_read(clk, nv_clk_src_mem);
+ struct nvkm_pstate *pstate = NULL, *best_pstate = NULL;
+ struct nvkm_cstate *cstate = NULL, *best_cstate = NULL;
+ int mem_err, gpc_err;
+ int new_voltage, new_nouveau_voltage, new_pstate, new_cstate;
+ int new_temp;
+
/* try to map the clocks set by NVIDIA to the closest pstate/cstate */
+ list_for_each_entry(pstate, &clk->states, head) {
+ list_for_each_entry(cstate, &pstate->list, head) {
+ if (!best_pstate) {
+ best_pstate = pstate;
+ best_cstate = cstate;
+ gpc_err =
abs(cstate->domain[nv_clk_src_gpc] - gpc_clock);
+ mem_err =
abs(cstate->domain[nv_clk_src_mem] - mem_clock);
+ continue;
+ }
+
+ if (abs(cstate->domain[nv_clk_src_gpc] - gpc_clock) <=
gpc_err &&
+ abs(cstate->domain[nv_clk_src_mem] -
mem_clock) <= mem_err) {
+ best_
[Nouveau] [PATCH v4 10/37] add daemon to compare nouveau with blob voltage
this tool can be run alongside the nvidia driver to print information about
the current p/cstate, which voltage was set by nvidia and what nouveau would
set in the same situation.
v4: parse default options
Signed-off-by: Karol Herbst
---
bin/nv_cmp_volt.c | 139 ++
1 file changed, 139 insertions(+)
create mode 100644 bin/nv_cmp_volt.c
diff --git a/bin/nv_cmp_volt.c b/bin/nv_cmp_volt.c
new file mode 100644
index 000..c63d91b
--- /dev/null
+++ b/bin/nv_cmp_volt.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2016 Karol Herbst
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Karol Herbst
+ */
+
+#include
+#include
+#include
+
+#include
+
+#include "util.h"
+
+int
+main(int argc, char **argv)
+{
+ struct nvif_client if_client;
+ struct nvif_device if_device;
+ struct nvkm_clk *clk;
+ struct nvkm_volt *volt;
+ struct nvkm_device *device;
+ int ret, c;
+ int old_voltage = 0, old_nouveau_voltage = 0, old_pstate = 0;
+ int old_cstate = 0, old_temp = 0;
+
+ while ((c = getopt(argc, argv, U_GETOPT)) != -1) {
+ switch (c) {
+ default:
+ if (!u_option(c))
+ return 1;
+ break;
+ }
+ }
+
+ ret = u_device("lib", argv[0], "error", true, true,
+ (1ULL << NVKM_SUBDEV_CLK) |
+// (1ULL << NVKM_SUBDEV_FUSE) |
+ (1ULL << NVKM_SUBDEV_GPIO) |
+// (1ULL << NVKM_SUBDEV_I2C) |
+ (1ULL << NVKM_SUBDEV_PCI) |
+// (1ULL << NVKM_SUBDEV_THERM) |
+// (1ULL << NVKM_SUBDEV_TIMER) |
+ (1ULL << NVKM_SUBDEV_VBIOS) |
+ (1ULL << NVKM_SUBDEV_VOLT),
+ 0x, &if_client, &if_device);
+
+ if (ret < 0)
+ return ret;
+
+ device = nvxx_device(&if_device);
+ clk = device->clk;
+// therm = device->therm;
+ volt = device->volt;
+
+ printf("current voltage (µV), expected voltage (µV), abs diff (µV),"
+ "rel diff nouveau/nvidia (%%), pstate, cstate, temperature"
+ "(°C)\n");
+ while (true) {
+ int gpc_clock = nvkm_clk_read(clk, nv_clk_src_gpc);
+ int mem_clock = nvkm_clk_read(clk, nv_clk_src_mem);
+ struct nvkm_pstate *pstate = NULL, *best_pstate = NULL;
+ struct nvkm_cstate *cstate = NULL, *best_cstate = NULL;
+ int mem_err, gpc_err;
+ int new_voltage, new_nouveau_voltage, new_pstate, new_cstate;
+ int new_temp;
+
+ list_for_each_entry(pstate, &clk->states, head) {
+ list_for_each_entry(cstate, &pstate->list, head) {
+ if (!best_pstate) {
+ best_pstate = pstate;
+ best_cstate = cstate;
+ gpc_err =
abs(cstate->domain[nv_clk_src_gpc] - gpc_clock);
+ mem_err =
abs(cstate->domain[nv_clk_src_mem] - mem_clock);
+ continue;
+ }
+
+ if (abs(cstate->domain[nv_clk_src_gpc] -
gpc_clock) <= gpc_err &&
+ abs(cstate->domain[nv_clk_src_mem] -
mem_clock) <= mem_err) {
+ best_pstate = pstate;
+ best_cstate = cstate;
+ gpc_err =
abs(cstate->domain[nv_clk_src_gpc] - gpc_clock);
+ mem_err =
abs(cstate->domain[nv_clk_src_mem] - mem_clock);
+ }
+ }
+
+
