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Proc::collect() fixed cputimes and cpu percentage calc

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aristocratos 2021-10-07 12:56:27 +02:00
parent 60c5636cd7
commit 3564f8e4c2
1 changed files with 41 additions and 24 deletions
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65
src/osx/btop_collect.cpp
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@ -987,6 +987,24 @@ namespace Proc {
const int cmult = (per_core) ? Shared::coreCount : 1;
bool got_detailed = false;
{ //* Get CPU totals
natural_t cpu_count;
processor_info_array_t info_array;
mach_msg_type_number_t info_count;
kern_return_t error;
processor_cpu_load_info_data_t *cpu_load_info = NULL;
mach_port_t host_port = mach_host_self();
error = host_processor_info(host_port, PROCESSOR_CPU_LOAD_INFO, &cpu_count, &info_array, &info_count);
if (error != KERN_SUCCESS) {
Logger::error("Failed getting CPU load info");
}
cpu_load_info = (processor_cpu_load_info_data_t *)info_array;
cputimes = cpu_load_info[0].cpu_ticks[CPU_STATE_USER]
+ cpu_load_info[0].cpu_ticks[CPU_STATE_NICE]
+ cpu_load_info[0].cpu_ticks[CPU_STATE_SYSTEM]
+ cpu_load_info[0].cpu_ticks[CPU_STATE_IDLE];
}
//* Use pids from last update if only changing filter, sorting or tree options
if (no_update and not current_procs.empty()) {
@ -1012,43 +1030,42 @@ namespace Proc {
//? Check if pid already exists in current_procs
auto find_old = rng::find(current_procs, pid, &proc_info::pid);
bool no_cache = false;
if (find_old == current_procs.end()) {
current_procs.push_back({pid});
find_old = current_procs.end() - 1;
no_cache = true;
}
SRUN;
auto &new_proc = *find_old;
//? Get program name, command and username
if (no_cache) {
char fullname[PROC_PIDPATHINFO_MAXSIZE];
proc_pidpath(pid, fullname, sizeof(fullname));
new_proc.cmd = std::string(fullname);
size_t lastSlash = new_proc.cmd.find_last_of('/');
new_proc.name = new_proc.cmd.substr(lastSlash + 1);
new_proc.ppid = kproc.kp_eproc.e_ppid;
new_proc.p_nice = kproc.kp_proc.p_nice;
new_proc.state = kproc.kp_proc.p_stat;
cpu_t = (kproc.kp_proc.p_uticks + kproc.kp_proc.p_sticks) * Shared::clkTck;
new_proc.cpu_t = cpu_t;
new_proc.cpu_s = kproc.kp_proc.p_sticks * Shared::clkTck;
new_proc.cpu_c = (double)new_proc.cpu_t / max(1.0, (uptime * Shared::clkTck) - new_proc.cpu_s);
struct proc_taskinfo pti;
if (sizeof(pti) == proc_pidinfo(new_proc.pid, PROC_PIDTASKINFO, 0, &pti, sizeof(pti))) {
new_proc.threads = pti.pti_threadnum;
new_proc.mem = pti.pti_resident_size;
}
struct passwd *pwd = getpwuid(kproc.kp_eproc.e_ucred.cr_uid);
new_proc.user = pwd->pw_name;
//? Get program name, command, username, parent pid, nice and status
char fullname[PROC_PIDPATHINFO_MAXSIZE];
proc_pidpath(pid, fullname, sizeof(fullname));
new_proc.cmd = std::string(fullname);
size_t lastSlash = new_proc.cmd.find_last_of('/');
new_proc.name = new_proc.cmd.substr(lastSlash + 1);
new_proc.ppid = kproc.kp_eproc.e_ppid;
new_proc.p_nice = kproc.kp_proc.p_nice;
new_proc.state = kproc.kp_proc.p_stat;
//? Get threads, mem and cpu usage
struct proc_taskinfo pti;
if (sizeof(pti) == proc_pidinfo(new_proc.pid, PROC_PIDTASKINFO, 0, &pti, sizeof(pti))) {
new_proc.threads = pti.pti_threadnum;
new_proc.mem = pti.pti_resident_size;
cpu_t = (pti.pti_total_user + pti.pti_total_system) / 1'000'000;
if (new_proc.cpu_t == 0) new_proc.cpu_t = cpu_t;
new_proc.cpu_s = pti.pti_total_system / 1'000'000;
new_proc.cpu_c = (double)new_proc.cpu_t / max(1.0, uptime - new_proc.cpu_s);
}
struct passwd *pwd = getpwuid(kproc.kp_eproc.e_ucred.cr_uid);
new_proc.user = pwd->pw_name;
//? Process cpu usage since last update
new_proc.cpu_p = clamp(round(cmult * 1000 * (cpu_t - new_proc.cpu_t) / max((uint64_t)1, cputimes - old_cputimes)) / 10.0, 0.0, 100.0 * Shared::coreCount);
//? Process cumulative cpu usage since process start
new_proc.cpu_c = (double)cpu_t / max(1.0, (uptime * Shared::clkTck) - new_proc.cpu_s);
new_proc.cpu_c = (double)cpu_t / max(1.0, uptime - new_proc.cpu_s);
//? Update cached value with latest cpu times
new_proc.cpu_t = cpu_t;