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Add URM-extension example showcasing downstream resource usage #34

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21 changes: 21 additions & 0 deletions Configs/ResourcesConfig.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -107,3 +107,24 @@ ResourceConfigs:
Modes: ["display_on", "doze"]
Policy: pass_through
ApplyType: "global"

# Reserve "90" for Downstream Resources
- ResType: "0x90"
ResID: "0x0000"
Name: "RES_SCHED_BOOST"
Path: "/proc/sys/walt/sched_boost"
Supported: true
Permissions: third_party
Modes: ["display_on", "doze"]
Policy: pass_through
ApplyType: "global"

- ResType: "0x90"
ResID: "0x0001"
Name: "RES_CPU_MAX_FREQ"
Path: "/sys/kernel/msm_performance/parameters/cpu_max_freq"
Supported: true
Permissions: third_party
Modes: ["display_on", "doze"]
Policy: higher_is_better
ApplyType: "cluster"
8 changes: 8 additions & 0 deletions Configs/SignalsConfig.yaml
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Expand Up @@ -21,3 +21,11 @@ SignalConfigs:
- {ResCode: "0x00040003", ResInfo: "0x00000000", Values: [1]}
- {ResCode: "0x00040004", ResInfo: "0x00000100", Values: [1]}
- {ResCode: "0x00040005", ResInfo: "0x00000200", Values: [1]}

- SigId: "0x0001"
Category: "0x81"
Name: CAM_OPEN
Enable: true
Permissions: ["system", "third_party"]
Resources:
- {ResCode: "0x00030000", Values: [100]}
58 changes: 58 additions & 0 deletions Extensions/Example.cpp
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@@ -0,0 +1,58 @@
// Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
// SPDX-License-Identifier: BSD-3-Clause-Clear

#include <fstream>
#include <dirent.h>
#include <algorithm>

#include <Urm/Extensions.h>
#include <Urm/UrmPlatformAL.h>

#include "Helpers.h"

#define POLICY_DIR_PATH "/sys/devices/system/cpu/cpufreq/"

static void cpuFreqApplierCallback(void* context) {
/*Resource* res = static_cast<Resource*>(context);
int32_t cluster = res->getClusterValue();
int64_t value = res->getValueAt(0);
//Get Path
std::string path = "/sys/kernel/msm_performance/parameters/cpu_max_freq";

/ # cat /sys/kernel/msm_performance/parameters/cpu_max_freq
0:2147483647 1:2147483647 2:2147483647 3:2147483647 4:2147483647 5:2147483647 6:2147483647 7:2147483647
/ # cat /sys/kernel/msm_performance/parameters/cpu_min_freq
0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0
/ #
//Save the value of this Node
//write the requested value
*/
printf("URM-ext: cpuFreqApplierCallback");
return;
}

static void cpuFreqTearCallback(void* context) {
// Reset to original if needed, else no_op
printf("URM-ext: cpuFreqTearCallback");
return;
}

URM_REGISTER_RES_APPLIER_CB(0x00900001, cpuFreqApplierCallback)
URM_REGISTER_RES_TEAR_CB(0x00900001, cpuFreqTearCallback)

static void postProcessCallback(void* context) {
if(context == nullptr) {
return;
}

PostProcessCBData* cbData = static_cast<PostProcessCBData*>(context);
if(cbData == nullptr) {
return;
}

// Match to our usecase
cbData->mSigId = CONSTRUCT_SIG_CODE(0x81, 0x0001);
cbData->mSigType = DEFAULT_SIGNAL_TYPE;
}

URM_REGISTER_POST_PROCESS_CB("gst-launch-1.0", postProcessCallback)
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