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cleanup

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This commit is contained in:
Evan Burkey
2024-01-12 09:49:53 -06:00
parent 1030b6e50e
commit 624bd7a23b
2 changed files with 14 additions and 8 deletions
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18
src/macos.c
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@@ -2,13 +2,15 @@
#include <time.h>
#include <mach/mach_time.h>
#include <stdlib.h>
#include <math.h>
#include "lfmacos.h"
#define NS_TO_SECONDS 1000000000.0
#define NEW_PROCESS_SENTINEL (-1.0)
ProcessData *new_ProcessData() {
ProcessData *pd = malloc(sizeof(ProcessData));
pd->last_total_consumed = -1.0;
pd->last_total_consumed = NEW_PROCESS_SENTINEL;
return pd;
}
@@ -24,18 +26,18 @@ int update_process(pid_t pid, ProcessData *proc) {
const double ns_per_tick = (double)info.numer / (double)info.denom;
time(&(proc->timestamp));
proc->total_kernel_time = (taskinfo.pti_total_system * ns_per_tick) / 1000000000.0;
proc->total_user_time = (taskinfo.pti_total_user * ns_per_tick) / 1000000000.0;
proc->total_kernel_time = (taskinfo.pti_total_system * ns_per_tick) / NS_TO_SECONDS;
proc->total_user_time = (taskinfo.pti_total_user * ns_per_tick) / NS_TO_SECONDS;
proc->virtual_memory = taskinfo.pti_virtual_size;
proc->resident_memory = taskinfo.pti_resident_size;
if (proc->last_total_consumed > -1.0) {
proc->percent_cpu = fabs(100.0 *
(proc->total_user_time + proc->total_kernel_time - proc->last_total_consumed) /
(proc->last_timestamp - proc->timestamp));
if (proc->last_total_consumed != NEW_PROCESS_SENTINEL) {
time_t t = proc->timestamp - proc->last_timestamp;
proc->percent_cpu = 100.0 * (proc->total_user_time + proc->total_kernel_time - proc->last_total_consumed) / t;
} else {
proc->percent_cpu = 0.0;
}
proc->last_timestamp = proc->timestamp;
proc->last_total_consumed = proc->total_kernel_time + proc->total_user_time;