Scan threads for process state information.

Based on: http://stackoverflow.com/questions/6788274/ios-mac-cpu-usage-for-thread
and       e86692e869/ProcessList.c
This should be a fix for #361.
This commit is contained in:
Hisham Muhammad 2016-02-18 14:57:09 -02:00
parent c18309466d
commit 5ee6715843
3 changed files with 69 additions and 10 deletions

View File

@ -13,6 +13,8 @@ in the source distribution for its full text.
#include <string.h>
#include <stdio.h>
#include <mach/mach.h>
/*{
#include "Settings.h"
#include "DarwinProcessList.h"
@ -296,15 +298,7 @@ void DarwinProcess_setFromKInfoProc(Process *proc, struct kinfo_proc *ps, time_t
proc->nice = ep->p_nice;
proc->priority = ep->p_priority;
/* Set the state */
switch(ep->p_stat) {
case SIDL: proc->state = 'I'; break;
case SRUN: proc->state = 'R'; break;
case SSLEEP: proc->state = 'S'; break;
case SSTOP: proc->state = 'T'; break;
case SZOMB: proc->state = 'Z'; break;
default: proc->state = '?'; break;
}
proc->state = (ep->p_stat == SZOMB) ? 'Z' : '?';
/* Make sure the updated flag is set */
proc->updated = true;
@ -343,3 +337,64 @@ void DarwinProcess_setFromLibprocPidinfo(DarwinProcess *proc, DarwinProcessList
dpl->super.runningTasks += pti.pti_numrunning;
}
}
/*
* Scan threads for process state information.
* Based on: http://stackoverflow.com/questions/6788274/ios-mac-cpu-usage-for-thread
* and https://github.com/max-horvath/htop-osx/blob/e86692e869e30b0bc7264b3675d2a4014866ef46/ProcessList.c
*/
void DarwinProcess_scanThreads(DarwinProcess *dp) {
Process* proc = (Process*) dp;
kern_return_t ret;
if (proc->state == 'Z') {
return;
}
task_t port;
ret = task_for_pid(mach_task_self(), proc->pid, &port);
if (ret != KERN_SUCCESS) {
return;
}
task_info_data_t tinfo;
mach_msg_type_number_t task_info_count = TASK_INFO_MAX;
ret = task_info(port, TASK_BASIC_INFO, (task_info_t) tinfo, &task_info_count);
if (ret != KERN_SUCCESS) {
return;
}
thread_array_t thread_list;
mach_msg_type_number_t thread_count;
ret = task_threads(port, &thread_list, &thread_count);
if (ret != KERN_SUCCESS) {
mach_port_deallocate(mach_task_self(), port);
return;
}
integer_t run_state = 999;
for (unsigned int i = 0; i < thread_count; i++) {
thread_info_data_t thinfo;
mach_msg_type_number_t thread_info_count = THREAD_BASIC_INFO_COUNT;
ret = thread_info(thread_list[i], THREAD_BASIC_INFO, (thread_info_t)thinfo, &thread_info_count);
if (ret == KERN_SUCCESS) {
thread_basic_info_t basic_info_th = (thread_basic_info_t) thinfo;
if (basic_info_th->run_state < run_state) {
run_state = basic_info_th->run_state;
}
mach_port_deallocate(mach_task_self(), thread_list[i]);
}
}
vm_deallocate(mach_task_self(), (vm_address_t) thread_list, sizeof(thread_port_array_t) * thread_count);
mach_port_deallocate(mach_task_self(), port);
char state = '?';
switch (run_state) {
case TH_STATE_RUNNING: state = 'R'; break;
case TH_STATE_STOPPED: state = 'S'; break;
case TH_STATE_WAITING: state = 'W'; break;
case TH_STATE_UNINTERRUPTIBLE: state = 'U'; break;
case TH_STATE_HALTED: state = 'H'; break;
}
proc->state = state;
}

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@ -38,4 +38,6 @@ void DarwinProcess_setFromKInfoProc(Process *proc, struct kinfo_proc *ps, time_t
void DarwinProcess_setFromLibprocPidinfo(DarwinProcess *proc, DarwinProcessList *dpl);
void DarwinProcess_scanThreads(DarwinProcess *dp);
#endif

View File

@ -168,8 +168,10 @@ void ProcessList_goThroughEntries(ProcessList* super) {
for(size_t i = 0; i < count; ++i) {
proc = (DarwinProcess *)ProcessList_getProcess(super, ps[i].kp_proc.p_pid, &preExisting, (Process_New)DarwinProcess_new);
DarwinProcess_setFromKInfoProc(&proc->super, ps + i, tv.tv_sec, preExisting);
DarwinProcess_setFromKInfoProc(&proc->super, &ps[i], tv.tv_sec, preExisting);
DarwinProcess_setFromLibprocPidinfo(proc, dpl);
DarwinProcess_scanThreads(proc);
super->totalTasks += 1;