1 /*
2 * Copyright 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include <dump/pixel_dump.h>
17 #include <android-base/file.h>
18 #include <string.h>
19 #include <stdio.h>
20 #include <log/log.h>
21 #include <regex>
22
readFile(const std::string & file_path)23 std::string readFile(const std::string& file_path) {
24 std::string content;
25 if(android::base::ReadFileToString(file_path.c_str(), &content)) {
26 return std::regex_replace(content, std::regex("\\r\\n|\\r|\\n"),"");
27 }
28 return content;
29 }
30
31 // Dump chip ID.
main()32 int main() {
33 dumpFileContent("AP HW TUNE", "/sys/devices/system/chip-id/ap_hw_tune_str");
34 dumpFileContent("DVFS VERSION", "/sys/devices/system/chip-id/dvfs_version");
35 dumpFileContent("EVT VERSION", "/sys/devices/system/chip-id/evt_ver");
36 dumpFileContent("LOT ID", "/sys/devices/system/chip-id/lot_id");
37 dumpFileContent("PACKAGE", "/sys/devices/system/chip-id/pkg_revision");
38 dumpFileContent("PRODUCT ID", "/sys/devices/system/chip-id/product_id");
39 dumpFileContent("REVISION", "/sys/devices/system/chip-id/revision");
40 dumpFileContent("RAW STR", "/sys/devices/system/chip-id/raw_str");
41 dumpFileContent("CPU present", "/sys/devices/system/cpu/present");
42 dumpFileContent("CPU online", "/sys/devices/system/cpu/online");
43
44 printf("------ CPU time-in-state ------\n");
45 std::string states;
46 std::unique_ptr<DIR, decltype(&closedir)> cpudir(opendir("/sys/devices/system/cpu/"), closedir);
47 if (!cpudir) {
48 ALOGE("Fail To Open Dir /sys/devices/system/cpu/");
49 return 0;
50 }
51 dirent *entry;
52 while ((entry = readdir(cpudir.get())) != nullptr) {
53 std::string core(entry->d_name);
54 if (core.find("cpu") != std::string::npos) {
55 std::string path("/sys/devices/system/cpu/" + core + "/cpufreq/stats/time_in_state");
56 if(!access(path.c_str(), R_OK)){
57 dumpFileContent(path.c_str(), path.c_str());
58 }
59 }
60 std::string cpu_idle_path("/sys/devices/system/cpu/" + core + "/cpuidle");
61 std::unique_ptr<DIR, decltype(&closedir)> statedir(opendir(cpu_idle_path.c_str()), closedir);
62 if (!statedir) {
63 continue;
64 }
65 dirent *state_entry;
66 while ((state_entry = readdir(statedir.get())) != nullptr) {
67 std::string cpu_idle_state_path(state_entry->d_name);
68 std::string full_state_path;
69 full_state_path += cpu_idle_path;
70 full_state_path += "/";
71 full_state_path += cpu_idle_state_path;
72 if (cpu_idle_state_path.find("state") != std::string::npos) {
73 std::string name(full_state_path + "/name");
74 std::string desc(full_state_path + "/desc");
75 std::string time(full_state_path + "/time");
76 std::string usage(full_state_path + "/usage");
77 states += full_state_path+": "+readFile(name)+" "+readFile(desc)+" "+readFile(time)+" "+readFile(usage)+"\n";
78 }
79 }
80 }
81 printf("------ CPU cpuidle ------\n%s\n", states.c_str());
82
83 dumpFileContent("INTERRUPTS", "/proc/interrupts");
84 return 0;
85 }
86