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528 lines
17 KiB
C++
528 lines
17 KiB
C++
/* Copyright 2021 Aristocratos (jakob@qvantnet.com)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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indent = tab
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tab-size = 4
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*/
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#include <ifaddrs.h>
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#include <libproc.h>
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#include <mach/mach_host.h>
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#include <mach/mach_init.h>
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#include <mach/mach_types.h>
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#include <mach/processor_info.h>
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#include <mach/vm_statistics.h>
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#include <net/if.h>
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#include <netdb.h>
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#include <pwd.h>
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#include <sys/statvfs.h>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <btop_config.hpp>
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#include <btop_shared.hpp>
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#include <btop_tools.hpp>
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#include <cmath>
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#include <fstream>
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#include <numeric>
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#include <ranges>
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#include <regex>
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#include <string>
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using std::clamp, std::string_literals::operator""s, std::cmp_equal, std::cmp_less, std::cmp_greater;
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using std::ifstream, std::numeric_limits, std::streamsize, std::round, std::max, std::min;
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namespace fs = std::filesystem;
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namespace rng = std::ranges;
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using namespace Tools;
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//? --------------------------------------------------- FUNCTIONS -----------------------------------------------------
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namespace Cpu {
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vector<long long> core_old_totals;
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vector<long long> core_old_idles;
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vector<string> available_fields;
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vector<string> available_sensors = {"Auto"};
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cpu_info current_cpu;
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fs::path freq_path = "/sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq";
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bool got_sensors = false, cpu_temp_only = false;
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//* Populate found_sensors map
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bool get_sensors();
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//* Get current cpu clock speed
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string get_cpuHz();
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//* Search /proc/cpuinfo for a cpu name
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string get_cpuName();
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struct Sensor {
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fs::path path;
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string label;
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int64_t temp = 0;
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int64_t high = 0;
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int64_t crit = 0;
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};
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unordered_flat_map<string, Sensor> found_sensors;
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string cpu_sensor;
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vector<string> core_sensors;
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unordered_flat_map<int, int> core_mapping;
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} // namespace Cpu
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namespace Mem {
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double old_uptime;
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}
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namespace Shared {
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fs::path passwd_path;
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uint64_t totalMem;
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long pageSize, clkTck, coreCount;
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int totalMem_len;
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void init() {
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//? Shared global variables init
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// passwd_path = (fs::is_regular_file(fs::path("/etc/passwd")) and access("/etc/passwd", R_OK) != -1) ? "/etc/passwd" : "";
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// if (passwd_path.empty())
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// Logger::warning("Could not read /etc/passwd, will show UID instead of username.");
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coreCount = sysconf(_SC_NPROCESSORS_ONLN);
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if (coreCount < 1) {
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coreCount = 1;
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Logger::warning("Could not determine number of cores, defaulting to 1.");
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}
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pageSize = sysconf(_SC_PAGE_SIZE);
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if (pageSize <= 0) {
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pageSize = 4096;
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Logger::warning("Could not get system page size. Defaulting to 4096, processes memory usage might be incorrect.");
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}
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clkTck = sysconf(_SC_CLK_TCK);
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if (clkTck <= 0) {
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clkTck = 100;
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Logger::warning("Could not get system clock ticks per second. Defaulting to 100, processes cpu usage might be incorrect.");
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}
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int64_t memsize = 0;
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size_t size = sizeof(memsize);
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if (sysctlbyname("hw.memsize", &memsize, &size, NULL, 0) < 0) {
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Logger::warning("Could not get memory size");
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}
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totalMem = memsize;
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Cpu::cpuName = Cpu::get_cpuName();
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}
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} // namespace Shared
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namespace Cpu {
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string cpuName;
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string cpuHz;
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bool has_battery = true;
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tuple<int, long, string> current_bat;
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const array<string, 10> time_names = {"user", "nice", "system", "idle", "iowait", "irq", "softirq", "steal", "guest", "guest_nice"};
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unordered_flat_map<string, long long> cpu_old = {
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{"totals", 0},
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{"idles", 0},
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{"user", 0},
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{"nice", 0},
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{"system", 0},
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{"idle", 0},
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{"iowait", 0},
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{"irq", 0},
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{"softirq", 0},
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{"steal", 0},
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{"guest", 0},
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{"guest_nice", 0}};
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string get_cpuName() {
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char buffer[1024];
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size_t size = sizeof(buffer);
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if (sysctlbyname("machdep.cpu.brand_string", &buffer, &size, NULL, 0) < 0) {
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Logger::error("Failed to get CPU name");
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return "";
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}
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return string(buffer);
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}
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bool get_sensors() {
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return not found_sensors.empty();
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}
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void update_sensors() {
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if (cpu_sensor.empty())
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return;
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const auto &cpu_sensor = (not Config::getS("cpu_sensor").empty() and found_sensors.contains(Config::getS("cpu_sensor")) ? Config::getS("cpu_sensor") : Cpu::cpu_sensor);
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found_sensors.at(cpu_sensor).temp = stol(readfile(found_sensors.at(cpu_sensor).path, "0")) / 1000;
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current_cpu.temp.at(0).push_back(found_sensors.at(cpu_sensor).temp);
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current_cpu.temp_max = found_sensors.at(cpu_sensor).crit;
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if (current_cpu.temp.at(0).size() > 20)
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current_cpu.temp.at(0).pop_front();
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if (Config::getB("show_coretemp") and not cpu_temp_only) {
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vector<string> done;
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for (const auto &sensor : core_sensors) {
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if (v_contains(done, sensor))
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continue;
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found_sensors.at(sensor).temp = stol(readfile(found_sensors.at(sensor).path, "0")) / 1000;
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done.push_back(sensor);
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}
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for (const auto &[core, temp] : core_mapping) {
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if (cmp_less(core + 1, current_cpu.temp.size()) and cmp_less(temp, core_sensors.size())) {
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current_cpu.temp.at(core + 1).push_back(found_sensors.at(core_sensors.at(temp)).temp);
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if (current_cpu.temp.at(core + 1).size() > 20)
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current_cpu.temp.at(core + 1).pop_front();
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}
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}
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}
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}
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string get_cpuHz() {
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uint64_t freq = 0;
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size_t size = sizeof(freq);
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return "1.0";
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if (sysctlbyname("hw.cpufrequency", &freq, &size, NULL, 0) < 0) {
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Logger::error("Failed to get CPU frequency");
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}
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return "" + freq;
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}
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auto get_core_mapping() -> unordered_flat_map<int, int> {
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unordered_flat_map<int, int> core_map;
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return core_map;
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}
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auto get_battery() -> tuple<int, long, string> {
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// if (not has_battery)
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return {0, 0, ""};
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}
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auto collect(const bool no_update) -> cpu_info & {
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if (Runner::stopping or (no_update and not current_cpu.cpu_percent.at("total").empty()))
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return current_cpu;
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auto &cpu = current_cpu;
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if (Config::getB("show_cpu_freq"))
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cpuHz = get_cpuHz();
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return cpu;
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}
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} // namespace Cpu
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namespace Mem {
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bool has_swap = false;
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vector<string> fstab;
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fs::file_time_type fstab_time;
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int disk_ios = 0;
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vector<string> last_found;
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mem_info current_mem{};
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auto collect(const bool no_update) -> mem_info & {
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if (Runner::stopping or (no_update and not current_mem.percent.at("used").empty()))
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return current_mem;
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auto& show_swap = Config::getB("show_swap");
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auto &show_disks = Config::getB("show_disks");
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auto &swap_disk = Config::getB("swap_disk");
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auto &mem = current_mem;
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static const bool snapped = (getenv("BTOP_SNAPPED") != NULL);
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vm_statistics64 p;
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mach_msg_type_number_t info_size = HOST_VM_INFO64_COUNT;
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if (host_statistics64(mach_host_self(), HOST_VM_INFO64, (host_info64_t)&p, &info_size) == 0) {
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mem.stats.at("available") = p.free_count * Shared::pageSize;
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mem.stats.at("free") = p.free_count * Shared::pageSize;
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mem.stats.at("cached") = p.external_page_count * Shared::pageSize;
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mem.stats.at("used") = ((int64_t)p.active_count + (int64_t)p.inactive_count + (int64_t)p.wire_count) * (int64_t)Shared::pageSize;
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}
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int mib[2] = {CTL_VM, VM_SWAPUSAGE};
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struct xsw_usage swap;
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size_t len = sizeof(struct xsw_usage);
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if (sysctl(mib, 2, &swap, &len, NULL, 0) == 0) {
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mem.stats.at("swap_total") = swap.xsu_total;
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mem.stats.at("swap_free") = swap.xsu_avail;
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mem.stats.at("swap_used") = swap.xsu_used;
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}
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if (show_swap and mem.stats.at("swap_total") > 0) {
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for (const auto& name : swap_names) {
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mem.percent.at(name).push_back(round((double)mem.stats.at(name) * 100 / mem.stats.at("swap_total")));
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while (cmp_greater(mem.percent.at(name).size(), width * 2)) mem.percent.at(name).pop_front();
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}
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has_swap = true;
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}
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else
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has_swap = false;
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//? Calculate percentages
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for (const auto &name : mem_names) {
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mem.percent.at(name).push_back(round((double)mem.stats.at(name) * 100 / Shared::totalMem));
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while (cmp_greater(mem.percent.at(name).size(), width * 2)) mem.percent.at(name).pop_front();
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}
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if (show_disks) {
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double uptime = system_uptime();
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auto &disks_filter = Config::getS("disks_filter");
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bool filter_exclude = false;
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auto &only_physical = Config::getB("only_physical");
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auto &disks = mem.disks;
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vector<string> filter;
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if (not disks_filter.empty()) {
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filter = ssplit(disks_filter);
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if (filter.at(0).starts_with("exclude=")) {
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filter_exclude = true;
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filter.at(0) = filter.at(0).substr(8);
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}
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}
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struct statfs *stfs;
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int count = getmntinfo(&stfs, MNT_WAIT);
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vector<string> found;
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found.reserve(last_found.size());
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for (int i = 0; i < count; i++) {
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std::error_code ec;
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string mountpoint = stfs[i].f_mntonname;
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string dev = stfs[i].f_mntfromname;
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disks[mountpoint] = disk_info{fs::canonical(dev, ec), fs::path(mountpoint).filename()};
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//? Match filter if not empty
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if (not filter.empty()) {
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bool match = v_contains(filter, mountpoint);
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if ((filter_exclude and match) or (not filter_exclude and not match))
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continue;
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}
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found.push_back(mountpoint);
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if (not v_contains(last_found, mountpoint)) redraw = true;
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last_found = std::move(found);
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if (disks.at(mountpoint).dev.empty()) disks.at(mountpoint).dev = dev;
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if (disks.at(mountpoint).name.empty()) disks.at(mountpoint).name = (mountpoint == "/" ? "root" : mountpoint);
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disks.at(mountpoint).free = stfs[i].f_bfree;
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disks.at(mountpoint).total = stfs[i].f_iosize;
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}
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//? Get disk/partition stats
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for (auto &[mountpoint, disk] : disks) {
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if (std::error_code ec; not fs::exists(mountpoint, ec)) continue;
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struct statvfs vfs;
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if (statvfs(mountpoint.c_str(), &vfs) < 0) {
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Logger::warning("Failed to get disk/partition stats with statvfs() for: " + mountpoint);
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continue;
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}
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disk.total = vfs.f_blocks * vfs.f_frsize;
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disk.free = vfs.f_bfree * vfs.f_frsize;
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disk.used = disk.total - disk.free;
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disk.used_percent = round((double)disk.used * 100 / disk.total);
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disk.free_percent = 100 - disk.used_percent;
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}
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//? Setup disks order in UI and add swap if enabled
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mem.disks_order.clear();
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if (snapped and disks.contains("/mnt"))
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mem.disks_order.push_back("/mnt");
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else if (disks.contains("/"))
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mem.disks_order.push_back("/");
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if (swap_disk and has_swap) {
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mem.disks_order.push_back("swap");
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if (not disks.contains("swap")) disks["swap"] = {"", "swap"};
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disks.at("swap").total = mem.stats.at("swap_total");
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disks.at("swap").used = mem.stats.at("swap_used");
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disks.at("swap").free = mem.stats.at("swap_free");
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disks.at("swap").used_percent = mem.percent.at("swap_used").back();
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disks.at("swap").free_percent = mem.percent.at("swap_free").back();
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}
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for (const auto &name : last_found)
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if (not is_in(name, "/", "swap")) mem.disks_order.push_back(name);
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}
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return mem;
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}
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} // namespace Mem
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namespace Net {
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unordered_flat_map<string, net_info> current_net;
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net_info empty_net = {};
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vector<string> interfaces;
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string selected_iface;
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int errors = 0;
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unordered_flat_map<string, uint64_t> graph_max = {{"download", {}}, {"upload", {}}};
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unordered_flat_map<string, array<int, 2>> max_count = {{"download", {}}, {"upload", {}}};
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bool rescale = true;
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uint64_t timestamp = 0;
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//* RAII wrapper for getifaddrs
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class getifaddr_wrapper {
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struct ifaddrs *ifaddr;
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public:
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int status;
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getifaddr_wrapper() { status = getifaddrs(&ifaddr); }
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~getifaddr_wrapper() { freeifaddrs(ifaddr); }
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auto operator()() -> struct ifaddrs * { return ifaddr; }
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};
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auto collect(const bool no_update) -> net_info & {
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return empty_net;
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}
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} // namespace Net
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namespace Proc {
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vector<proc_info> current_procs;
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unordered_flat_map<string, string> uid_user;
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string current_sort;
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string current_filter;
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bool current_rev = false;
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fs::file_time_type passwd_time;
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uint64_t cputimes;
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int collapse = -1, expand = -1;
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uint64_t old_cputimes = 0;
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atomic<int> numpids = 0;
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int filter_found = 0;
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detail_container detailed;
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//* Generate process tree list
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void _tree_gen(proc_info &cur_proc, vector<proc_info> &in_procs, vector<std::reference_wrapper<proc_info>> &out_procs, int cur_depth, const bool collapsed, const string &filter, bool found = false, const bool no_update = false, const bool should_filter = false) {
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auto cur_pos = out_procs.size();
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bool filtering = false;
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//? If filtering, include children of matching processes
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if (not found and (should_filter or not filter.empty())) {
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if (not s_contains(std::to_string(cur_proc.pid), filter) and not s_contains(cur_proc.name, filter) and not s_contains(cur_proc.cmd, filter) and not s_contains(cur_proc.user, filter)) {
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filtering = true;
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cur_proc.filtered = true;
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filter_found++;
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} else {
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found = true;
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cur_depth = 0;
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}
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} else if (cur_proc.filtered)
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cur_proc.filtered = false;
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//? Set tree index position for process if not filtered out or currently in a collapsed sub-tree
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if (not collapsed and not filtering) {
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out_procs.push_back(std::ref(cur_proc));
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cur_proc.tree_index = out_procs.size() - 1;
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//? Try to find name of the binary file and append to program name if not the same
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if (cur_proc.short_cmd.empty() and not cur_proc.cmd.empty()) {
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std::string_view cmd_view = cur_proc.cmd;
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cmd_view = cmd_view.substr((size_t)0, min(cmd_view.find(' '), cmd_view.size()));
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cmd_view = cmd_view.substr(min(cmd_view.find_last_of('/') + 1, cmd_view.size()));
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cur_proc.short_cmd = (string)cmd_view;
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}
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} else {
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cur_proc.tree_index = in_procs.size();
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}
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//? Recursive iteration over all children
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int children = 0;
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for (auto &p : rng::equal_range(in_procs, cur_proc.pid, rng::less{}, &proc_info::ppid)) {
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if (not no_update and not filtering and (collapsed or cur_proc.collapsed)) {
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out_procs.back().get().cpu_p += p.cpu_p;
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out_procs.back().get().mem += p.mem;
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out_procs.back().get().threads += p.threads;
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filter_found++;
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}
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if (collapsed and not filtering) {
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cur_proc.filtered = true;
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} else
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children++;
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_tree_gen(p, in_procs, out_procs, cur_depth + 1, (collapsed ? true : cur_proc.collapsed), filter, found, no_update, should_filter);
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}
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if (collapsed or filtering)
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return;
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//? Add tree terminator symbol if it's the last child in a sub-tree
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if (out_procs.size() > cur_pos + 1 and not out_procs.back().get().prefix.ends_with("]─"))
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out_procs.back().get().prefix.replace(out_procs.back().get().prefix.size() - 8, 8, " └─ ");
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|
|
|
//? Add collapse/expand symbols if process have any children
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|
out_procs.at(cur_pos).get().prefix = " │ "s * cur_depth + (children > 0 ? (cur_proc.collapsed ? "[+]─" : "[-]─") : " ├─ ");
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|
}
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|
|
|
//* Get detailed info for selected process
|
|
void _collect_details(const size_t pid, const uint64_t uptime, vector<proc_info> &procs) {
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|
}
|
|
|
|
//* Collects and sorts process information from /proc
|
|
auto collect(const bool no_update) -> vector<proc_info> & {
|
|
int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0};
|
|
struct kinfo_proc *processes = NULL;
|
|
const double uptime = system_uptime();
|
|
auto procs = ¤t_procs;
|
|
|
|
for (int retry = 3; retry > 0; retry--) {
|
|
size_t size = 0;
|
|
if (sysctl(mib, 4, NULL, &size, NULL, 0) < 0 || size == 0) {
|
|
Logger::error("Unable to get size of kproc_infos");
|
|
}
|
|
|
|
processes = (struct kinfo_proc *)malloc(size);
|
|
|
|
if (sysctl(mib, 4, processes, &size, NULL, 0) == 0) {
|
|
size_t count = size / sizeof(struct kinfo_proc);
|
|
for (size_t i = 0; i < count; i++) {
|
|
struct kinfo_proc kproc = processes[i];
|
|
Proc::proc_info p{kproc.kp_proc.p_pid};
|
|
char fullname[PROC_PIDPATHINFO_MAXSIZE];
|
|
proc_pidpath(p.pid, fullname, sizeof(fullname));
|
|
p.cmd = std::string(fullname);
|
|
size_t lastSlash = p.cmd.find_last_of('/');
|
|
p.name = p.cmd.substr(lastSlash + 1);
|
|
p.ppid = kproc.kp_eproc.e_ppid;
|
|
p.p_nice = kproc.kp_proc.p_nice;
|
|
struct proc_taskinfo pti;
|
|
if (sizeof(pti) == proc_pidinfo(p.pid, PROC_PIDTASKINFO, 0, &pti, sizeof(pti))) {
|
|
p.threads = pti.pti_threadnum;
|
|
p.cpu_t = pti.pti_total_user + pti.pti_total_system;
|
|
p.cpu_c = (double)p.cpu_t / max(1.0, (uptime * Shared::clkTck) - p.cpu_s);
|
|
p.cpu_p = 0;
|
|
p.cpu_s = pti.pti_total_system;
|
|
}
|
|
struct passwd *pwd = getpwuid(kproc.kp_eproc.e_ucred.cr_uid);
|
|
p.user = pwd->pw_name;
|
|
procs->push_back(p);
|
|
}
|
|
}
|
|
}
|
|
return current_procs;
|
|
}
|
|
} // namespace Proc
|
|
|
|
namespace Tools {
|
|
double system_uptime() {
|
|
struct timeval ts, currTime;
|
|
std::size_t len = sizeof(ts);
|
|
int mib[2] = {CTL_KERN, KERN_BOOTTIME};
|
|
if (sysctl(mib, 2, &ts, &len, NULL, 0) != -1) {
|
|
gettimeofday(&currTime, NULL);
|
|
return currTime.tv_sec - ts.tv_sec;
|
|
}
|
|
return 0.0;
|
|
}
|
|
} // namespace Tools
|