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evisum/src/bin/system/process.c

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#if defined(__MACH__) && defined(__APPLE__)
# define __MacOS__
#endif
#if defined(__MacOS__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
# include <sys/types.h>
# include <sys/sysctl.h>
# include <sys/user.h>
# include <sys/proc.h>
# include <libgen.h>
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
# include <libgen.h>
# include <unistd.h>
# include <fcntl.h>
# include <kvm.h>
# include <limits.h>
# include <sys/proc.h>
# include <sys/param.h>
# include <sys/resource.h>
#endif
#if defined(__MacOS__)
# include <libproc.h>
# include <sys/proc_info.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <limits.h>
#include "process.h"
#include <Eina.h>
#include <Ecore.h>
#include <Ecore_File.h>
#if defined(__linux__) && !defined(PF_KTHREAD)
# define PF_KTHREAD 0x00200000
#endif
#include "macros.h"
static Eina_Bool _show_kthreads = 1;
void
proc_info_kthreads_show_set(Eina_Bool enabled)
{
_show_kthreads = enabled;
}
Eina_Bool
proc_info_kthreads_show_get(void)
{
return _show_kthreads;
}
static const char * _states[255];
static void
_states_init(void)
{
#if defined(__linux__)
_states['D'] = "dsleep";
_states['I'] = "idle";
_states['R'] = "run";
_states['S'] = "sleep";
_states['T'] = "stop";
_states['X'] = "dead";
_states['Z'] = "zombie";
#else
_states[SIDL] = "idle";
_states[SRUN] = "run";
_states[SSLEEP] = "sleep";
_states[SSTOP] = "stop";
#if !defined(__MacOS__)
#if !defined(__OpenBSD__)
_states[SWAIT] = "wait";
_states[SLOCK] = "lock";
_states[SZOMB] = "zombie";
#endif
#if defined(__OpenBSD__)
_states[SDEAD] = "dead";
_states[SONPROC] = "run";
#endif
#endif
#endif
}
static const char *
_process_state_name(char state)
{
static int init = 0;
if (!init)
{
_states_init();
init = 1;
}
return _states[toupper(state)];
}
#if defined(__linux__)
static unsigned long
_parse_line(const char *line)
{
char *p, *tok;
p = strchr(line, ':') + 1;
while (isspace(*p))
p++;
tok = strtok(p, " ");
return atol(tok);
}
static void
_mem_size(Proc_Info *proc)
{
FILE *f;
char buf[4096];
unsigned int dummy, size, shared, resident, data, text;
static int pagesize = 0;
if (!pagesize) pagesize = getpagesize();
snprintf(buf, sizeof(buf), "/proc/%d/statm", proc->pid);
f = fopen(buf, "r");
if (!f) return;
if (fgets(buf, sizeof(buf), f))
{
if (sscanf(buf, "%u %u %u %u %u %u %u",
&size, &resident, &shared, &text,
&dummy, &data, &dummy) == 7)
{
proc->mem_rss = MEMSZ(resident) * MEMSZ(pagesize);
proc->mem_shared = MEMSZ(shared) * MEMSZ(pagesize);
proc->mem_size = proc->mem_rss - proc->mem_shared;
proc->mem_virt = MEMSZ(size) * MEMSZ(pagesize);
}
}
fclose(f);
}
static void
_cmd_args(Proc_Info *p, char *name, size_t len)
{
char buf[8192];
int pid = p->pid;
snprintf(buf, sizeof(buf), "/proc/%d/exe", pid);
char *link = ecore_file_readlink(buf);
if (link)
{
snprintf(name, len, "%s", ecore_file_file_get(link));
free(link);
}
snprintf(buf, sizeof(buf), "/proc/%d/cmdline", pid);
FILE *f = fopen(buf, "r");
if (f)
{
if (fgets(buf, sizeof(buf), f))
{
Eina_Strbuf *b = eina_strbuf_new();
const char *n;
if (ecore_file_exists(buf))
snprintf(name, len, "%s", ecore_file_file_get(buf));
n = buf;
while (n && *n && (*n + 1))
{
eina_strbuf_append(b, n);
n = strchr(n, '\0') + 1;
if (n && *n && (*n + 1)) eina_strbuf_append(b, " ");
}
p->arguments = eina_strbuf_release(b);
}
fclose(f);
}
char *end = strchr(name, ' ');
if (end) *end = '\0';
p->command = strdup(name);
}
static int
_uid(int pid)
{
FILE *f;
char buf[4096];
int uid = 0;
snprintf(buf, sizeof(buf),"/proc/%d/status", pid);
f = fopen(buf, "r");
if (!f) return -1;
while ((fgets(buf, sizeof(buf), f)) != NULL)
{
if (!strncmp(buf, "Uid:", 4))
{
uid = _parse_line(buf);
break;
}
}
fclose(f);
return uid;
}
static int64_t
_boot_time(void)
{
FILE *f;
int64_t boot_time;
char buf[4096];
double uptime = 0.0;
f = fopen("/proc/uptime", "r");
if (!f) return 0;
if (fgets(buf, sizeof(buf), f))
sscanf(buf, "%lf", &uptime);
else boot_time = 0;
fclose(f);
if (uptime > 0.0)
boot_time = time(NULL) - (time_t) uptime;
return boot_time;
}
typedef struct {
int pid, ppid, utime, stime, cutime, cstime;
int psr, pri, nice, numthreads;
long long int start_time, run_time;
char state;
unsigned int mem_rss, flags;
unsigned long mem_virt;
char name[1024];
} Stat;
static Eina_Bool
_stat(const char *path, Stat *st)
{
FILE *f;
char line[4096];
char name[1024];
int dummy, len = 0;
static long tck = 0;
static int64_t boot_time = 0;
if (!boot_time) boot_time = _boot_time();
memset(st, 0, sizeof(Stat));
f = fopen(path, "r");
if (!f) return 0;
if (fgets(line, sizeof(line), f))
{
len = sscanf(line, "%d %s %c %d %d %d %d %d %u %u %u %u %u %d %d %d"
" %d %d %d %u %u %lld %lu %u %u %u %u %u %u %u %d %d %d %d %u"
" %d %d %d %d %d %d %d %d %d", &dummy, name,
&st->state, &st->ppid, &dummy, &dummy, &dummy, &dummy, &st->flags,
&dummy, &dummy, &dummy, &dummy, &st->utime, &st->stime, &st->cutime,
&st->cstime, &st->pri, &st->nice, &st->numthreads, &dummy, &st->start_time,
&st->mem_virt, &st->mem_rss, &dummy, &dummy, &dummy, &dummy, &dummy,
&dummy, &dummy, &dummy, &dummy, &dummy, &dummy, &dummy,
&dummy, &dummy, &st->psr, &dummy, &dummy, &dummy, &dummy, &dummy);
}
fclose(f);
if (len != 44) return 0;
len = strlen(name);
if (len)
{
name[len-1] = '\0';
snprintf(st->name, sizeof(st->name), "%s", &name[1]);
}
if (!tck) tck = sysconf(_SC_CLK_TCK);
st->start_time /= tck;
st->start_time += boot_time;
st->run_time = (st->utime + st->stime) / tck;
return 1;
}
static Eina_List *
_process_list_linux_get(void)
{
Eina_List *files, *list;
const char *state;
char *n;
char buf[4096];
Stat st;
list = NULL;
files = ecore_file_ls("/proc");
EINA_LIST_FREE(files, n)
{
int pid = atoi(n);
free(n);
if (!pid) continue;
snprintf(buf, sizeof(buf), "/proc/%d/stat", pid);
if (!_stat(buf, &st))
continue;
if (st.flags & PF_KTHREAD && !proc_info_kthreads_show_get())
continue;
Proc_Info *p = calloc(1, sizeof(Proc_Info));
if (!p) return NULL;
p->pid = pid;
p->ppid = st.ppid;
p->uid = _uid(pid);
p->cpu_id = st.psr;
p->start = st.start_time;
p->run_time = st.run_time;
if (toupper(st.state) == 'S') p->ssleep = 1;
state = _process_state_name(st.state);
snprintf(p->state, sizeof(p->state), "%s", state);
p->cpu_time = st.utime + st.stime;
p->nice = st.nice;
p->priority = st.pri;
p->numthreads = st.numthreads;
if (st.flags & PF_KTHREAD)
p->is_kernel = 1;
_mem_size(p);
_cmd_args(p, st.name, sizeof(st.name));
list = eina_list_append(list, p);
}
return list;
}
static void
_proc_thread_info(Proc_Info *p)
{
Eina_List *files;
const char *state;
char *n;
char buf[4096];
Stat st;
snprintf(buf, sizeof(buf), "/proc/%d/task", p->pid);
files = ecore_file_ls(buf);
EINA_LIST_FREE(files, n)
{
int tid = atoi(n);
free(n);
snprintf(buf, sizeof(buf), "/proc/%d/task/%d/stat", p->pid, tid);
if (!_stat(buf, &st))
continue;
Proc_Info *t = calloc(1, sizeof(Proc_Info));
if (!t) continue;
t->cpu_id = st.psr;
if (toupper(st.state) == 'S') p->ssleep = 1;
state = _process_state_name(st.state);
snprintf(t->state, sizeof(t->state), "%s", state);
t->cpu_time = st.utime + st.stime;
t->nice = st.nice;
t->priority = st.pri;
t->numthreads = st.numthreads;
t->mem_virt = st.mem_virt;
t->mem_rss = st.mem_rss;
t->tid = tid;
t->thread_name = strdup(st.name);
p->threads = eina_list_append(p->threads, t);
}
}
Proc_Info *
proc_info_by_pid(int pid)
{
const char *state;
Stat st;
char buf[4096];
snprintf(buf, sizeof(buf), "/proc/%d/stat", pid);
if (!_stat(buf, &st))
return NULL;
Proc_Info *p = calloc(1, sizeof(Proc_Info));
if (!p) return NULL;
p->pid = pid;
p->ppid = st.ppid;
p->uid = _uid(pid);
p->cpu_id = st.psr;
p->start = st.start_time;
p->run_time = st.run_time;
if (toupper(st.state) == 'S') p->ssleep = 1;
state = _process_state_name(st.state);
snprintf(p->state, sizeof(p->state), "%s", state);
p->cpu_time = st.utime + st.stime;
p->priority = st.pri;
p->nice = st.nice;
p->numthreads = st.numthreads;
if (st.flags & PF_KTHREAD) p->is_kernel = 1;
_mem_size(p);
_cmd_args(p, st.name, sizeof(st.name));
_proc_thread_info(p);
return p;
}
#endif
#if defined(__OpenBSD__)
static void
_proc_get(Proc_Info *p, struct kinfo_proc *kp)
{
static int pagesize = 0;
const char *state;
if (!pagesize) pagesize = getpagesize();
p->pid = kp->p_pid;
p->ppid = kp->p_ppid;
p->uid = kp->p_uid;
p->cpu_id = kp->p_cpuid;
p->start = kp->p_ustart_sec;
p->run_time = kp->p_uutime_sec + kp->p_ustime_sec +
(kp->p_uutime_usec / 1000000) + (kp->p_ustime_usec / 1000000);
if (kp->p_stat == SSLEEP)
{
state = kp->p_wmesg;
p->ssleep = 1;
}
else
state = _process_state_name(kp->p_stat);
snprintf(p->state, sizeof(p->state), "%s", state);
p->cpu_time = kp->p_uticks + kp->p_sticks + kp->p_iticks;
p->mem_virt = p->mem_size = (MEMSZ(kp->p_vm_tsize) * MEMSZ(pagesize)) +
(MEMSZ(kp->p_vm_dsize) * MEMSZ(pagesize)) + (MEMSZ(kp->p_vm_ssize) * MEMSZ(pagesize));
p->mem_rss = MEMSZ(kp->p_vm_rssize) * MEMSZ(pagesize);
p->priority = kp->p_priority - PZERO;
p->nice = kp->p_nice - NZERO;
p->tid = kp->p_tid;
}
static void
_cmd_get(Proc_Info *p, kvm_t *kern, struct kinfo_proc *kp)
{
char **args;
char name[4096];
if ((args = kvm_getargv(kern, kp, sizeof(name)-1)))
{
Eina_Strbuf *buf = eina_strbuf_new();
for (int i = 0; args[i]; i++)
{
eina_strbuf_append(buf, args[i]);
if (args[i + 1])
eina_strbuf_append(buf, " ");
}
p->arguments = eina_strbuf_string_steal(buf);
eina_strbuf_free(buf);
if (args[0] && ecore_file_exists(args[0]))
p->command = strdup(ecore_file_file_get(args[0]));
}
if (!p->command)
p->command = strdup(kp->p_comm);
}
Proc_Info *
proc_info_by_pid(int pid)
{
struct kinfo_proc *kp, *kpt;
kvm_t *kern;
char errbuf[_POSIX2_LINE_MAX];
int count, pid_count;
kern = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf);
if (!kern) return NULL;
kp = kvm_getprocs(kern, KERN_PROC_PID, pid, sizeof(*kp), &count);
if (!kp) return NULL;
if (count == 0) return NULL;
Proc_Info *p = calloc(1, sizeof(Proc_Info));
if (!p) return NULL;
_proc_get(p, kp);
_cmd_get(p, kern, kp);
kp = kvm_getprocs(kern, KERN_PROC_SHOW_THREADS, 0, sizeof(*kp), &pid_count);
for (int i = 0; i < pid_count; i++)
{
if (kp[i].p_pid != p->pid) continue;
kpt = &kp[i];
if (kpt->p_tid <= 0) continue;
Proc_Info *t = calloc(1, sizeof(Proc_Info));
if (!t) continue;
_proc_get(t, kpt);
t->tid = kpt->p_tid;
t->thread_name = strdup(kpt->p_comm);
p->threads = eina_list_append(p->threads, t);
}
p->numthreads = eina_list_count(p->threads);
kvm_close(kern);
return p;
}
static Eina_List *
_process_list_openbsd_get(void)
{
struct kinfo_proc *kps, *kp;
Proc_Info *p;
char errbuf[4096];
kvm_t *kern;
int pid_count;
Eina_List *list = NULL;
kern = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf);
if (!kern) return NULL;
kps = kvm_getprocs(kern, KERN_PROC_ALL, 0, sizeof(*kps), &pid_count);
if (!kps) return NULL;
for (int i = 0; i < pid_count; i++)
{
p = calloc(1, sizeof(Proc_Info));
if (!p) return NULL;
kp = &kps[i];
Proc_Info *p = proc_info_by_pid(kp->p_pid);
if (p)
list = eina_list_append(list, p);
}
kvm_close(kern);
return list;
}
#endif
#if defined(__MacOS__)
static void
_cmd_get(Proc_Info *p, int pid)
{
char *cp, *args, **argv;
int mib[3], argmax, argc;
size_t size;
mib[0] = CTL_KERN;
mib[1] = KERN_ARGMAX;
size = sizeof(argmax);
if (sysctl(mib, 2, &argmax, &size, NULL, 0) == -1) return;
mib[0] = CTL_KERN;
mib[1] = KERN_PROCARGS2;
mib[2] = pid;
size = (size_t) argmax;
args = malloc(argmax);
if (!args) return;
/* See libtop.c (top) for the origin of this comment, which is necessary as
* there is little other documentation...thanks Apple.
*
* Make a sysctl() call to get the raw argument space of the process.
* The layout is documented in start.s, which is part of the Csu
* project. In summary, it looks like:
*
* /---------------\ 0x00000000
* : :
* : :
* |---------------|
* | argc |
* |---------------|
* | arg[0] |
* |---------------|
* : :
* : :
* |---------------|
* | arg[argc - 1] |
* |---------------|
* | 0 |
* |---------------|
* | env[0] |
* |---------------|
* : :
* : :
* |---------------|
* | env[n] |
* |---------------|
* | 0 |
* |---------------| <-- Beginning of data returned by sysctl() is here.
* | argc |
* |---------------|
* | exec_path |
* |:::::::::::::::|
* | |
* | String area. |
* | |
* |---------------| <-- Top of stack.
* : :
* : :
* \---------------/ 0xffffffff
*/
if (sysctl(mib, 3, args, &size, NULL, 0) == -1) return;
memcpy(&argc, args, sizeof(argc));
cp = args + sizeof(argc);
/* Skip exec path */
for (;cp < &args[size]; cp++)
{
if (*cp == '\0') break;
}
if (cp == &args[size]) return;
/* Skip any padded NULLs. */
for (;cp < &args[size]; cp++)
{
if (*cp == '\0') break;
}
if (cp == &args[size]) return;
argv = malloc(1 + argc * sizeof(char *));
if (!argv) return;
int i = 0;
argv[i] = cp;
for (cp = args + sizeof(int); cp < &args[size] && i < argc; cp++)
{
if (*cp == '\0')
{
while (*cp == '\0') cp++;
argv[i++] = cp;
}
}
if (i == 0) i++;
argv[i] = NULL;
p->command = strdup(basename(argv[0]));
Eina_Strbuf *buf = eina_strbuf_new();
for (i = 0; i < argc; i++)
eina_strbuf_append_printf(buf, "%s ", argv[i]);
if (argc > 0)
p->arguments = eina_strbuf_release(buf);
else
eina_strbuf_free(buf);
free(args);
free(argv);
}
static Proc_Info *
_proc_pidinfo(size_t pid)
{
const char *state;
struct proc_taskallinfo taskinfo;
int size = proc_pidinfo(pid, PROC_PIDTASKALLINFO, 0, &taskinfo, sizeof(taskinfo));
if (size != sizeof(taskinfo)) return NULL;
Proc_Info *p = calloc(1, sizeof(Proc_Info));
if (!p) return NULL;
p->pid = pid;
p->ppid = taskinfo.pbsd.pbi_ppid;
p->uid = taskinfo.pbsd.pbi_uid;
p->cpu_id = -1;
p->cpu_time = taskinfo.ptinfo.pti_total_user +
taskinfo.ptinfo.pti_total_system;
p->cpu_time /= 10000000;
p->start = taskinfo.pbsd.pbi_start_tvsec;
state = _process_state_name(taskinfo.pbsd.pbi_status);
snprintf(p->state, sizeof(p->state), "%s", state);
p->mem_size = p->mem_virt = taskinfo.ptinfo.pti_virtual_size;
p->mem_rss = taskinfo.ptinfo.pti_resident_size;
p->priority = taskinfo.ptinfo.pti_priority;
p->nice = taskinfo.pbsd.pbi_nice;
p->numthreads = taskinfo.ptinfo.pti_threadnum;
_cmd_get(p, pid);
return p;
}
static Eina_List *
_process_list_macos_fallback_get(void)
{
Eina_List *list = NULL;
for (int i = 1; i <= PID_MAX; i++)
{
Proc_Info *p = _proc_pidinfo(i);
if (p)
list = eina_list_append(list, p);
}
return list;
}
static Eina_List *
_process_list_macos_get(void)
{
Eina_List *list = NULL;
pid_t *pids = NULL;
int size, pid_count;
size = proc_listpids(PROC_ALL_PIDS, 0, NULL, 0);
if (size == -1)
return _process_list_macos_fallback_get();
pids = malloc(size * sizeof(pid_t));
if (!pids) return NULL;
size = proc_listpids(PROC_ALL_PIDS, 0, pids, size * sizeof(pid_t));
if (size == -1)
{
free(pids);
return _process_list_macos_fallback_get();
}
pid_count = size / sizeof(pid_t);
for (int i = 0; i < pid_count; i++)
{
pid_t pid = pids[i];
Proc_Info *p = _proc_pidinfo(pid);
if (p)
list = eina_list_append(list, p);
}
free(pids);
return list;
}
Proc_Info *
proc_info_by_pid(int pid)
{
const char *state;
struct proc_taskallinfo taskinfo;
struct proc_workqueueinfo workqueue;
size_t size;
size = proc_pidinfo(pid, PROC_PIDTASKALLINFO, 0, &taskinfo, sizeof(taskinfo));
if (size != sizeof(taskinfo))
return NULL;
size = proc_pidinfo(pid, PROC_PIDWORKQUEUEINFO, 0, &workqueue, sizeof(workqueue));
if (size != sizeof(workqueue))
memset(&workqueue, 0, sizeof(struct proc_workqueueinfo));
Proc_Info *p = calloc(1, sizeof(Proc_Info));
if (!p) return NULL;
p->pid = pid;
p->uid = taskinfo.pbsd.pbi_uid;
p->ppid = taskinfo.pbsd.pbi_ppid;
p->cpu_id = workqueue.pwq_nthreads;
p->cpu_time = taskinfo.ptinfo.pti_total_user +
taskinfo.ptinfo.pti_total_system;
p->cpu_time /= 10000000;
p->start = taskinfo.pbsd.pbi_start_tvsec;
state = _process_state_name(taskinfo.pbsd.pbi_status);
snprintf(p->state, sizeof(p->state), "%s", state);
p->mem_size = p->mem_virt = taskinfo.ptinfo.pti_virtual_size;
p->mem_rss = taskinfo.ptinfo.pti_resident_size;
p->priority = taskinfo.ptinfo.pti_priority;
p->nice = taskinfo.pbsd.pbi_nice;
p->numthreads = taskinfo.ptinfo.pti_threadnum;
_cmd_get(p, pid);
return p;
}
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
static int
_pid_max(void)
{
size_t len;
static int pid_max = 0;
if (pid_max != 0) return pid_max;
len = sizeof(pid_max);
if (sysctlbyname("kern.pid_max", &pid_max, &len, NULL, 0) == -1)
{
#if defined(__FreeBSD__)
pid_max = 99999;
#elif defined(__DragonFly__)
pid_max = 999999;
#else
pid_max = PID_MAX;
#endif
}
return pid_max;
}
static void
_cmd_get(Proc_Info *p, struct kinfo_proc *kp)
{
kvm_t * kern;
char **args;
char name[4096];
Eina_Bool have_command = 0;
kern = kvm_open(NULL, "/dev/null", NULL, O_RDONLY, "kvm_open");
if (kern)
{
if ((args = kvm_getargv(kern, kp, sizeof(name)-1)) && (args[0]))
{
char *base = strdup(args[0]);
if (base)
{
char *spc = strchr(base, ' ');
if (spc) *spc = '\0';
if (ecore_file_exists(base))
{
snprintf(name, sizeof(name), "%s", basename(base));
have_command = 1;
}
free(base);
}
Eina_Strbuf *buf = eina_strbuf_new();
for (int i = 0; args[i] != NULL; i++)
{
eina_strbuf_append(buf, args[i]);
if (args[i + 1])
eina_strbuf_append(buf, " ");
}
p->arguments = eina_strbuf_string_steal(buf);
eina_strbuf_free(buf);
}
kvm_close(kern);
}
if (!have_command)
snprintf(name, sizeof(name), "%s", kp->ki_comm);
p->command = strdup(name);
}
static Proc_Info *
_proc_thread_info(struct kinfo_proc *kp, Eina_Bool is_thread)
{
struct rusage *usage;
const char *state;
Proc_Info *p;
static int pagesize = 0;
if (!pagesize) pagesize = getpagesize();
p = calloc(1, sizeof(Proc_Info));
if (!p) return NULL;
p->pid = kp->ki_pid;
p->ppid = kp->ki_ppid;
p->uid = kp->ki_uid;
if (!is_thread)
_cmd_get(p, kp);
p->cpu_id = kp->ki_oncpu;
if (p->cpu_id == -1)
p->cpu_id = kp->ki_lastcpu;
usage = &kp->ki_rusage;
p->cpu_time = ((usage->ru_utime.tv_sec * 1000000) + usage->ru_utime.tv_usec +
(usage->ru_stime.tv_sec * 1000000) + usage->ru_stime.tv_usec) / 10000;
p->run_time = (kp->ki_runtime + 500000) / 1000000;
if (kp->ki_stat == SSLEEP)
{
state = kp->ki_wmesg;
p->ssleep = 1;
}
else
state = _process_state_name(kp->ki_stat);
snprintf(p->state, sizeof(p->state), "%s", state);
p->mem_virt = kp->ki_size;
p->mem_rss = MEMSZ(kp->ki_rssize) * MEMSZ(pagesize);
p->start = kp->ki_start.tv_sec;
p->mem_size = p->mem_virt;
p->nice = kp->ki_nice - NZERO;
p->priority = kp->ki_pri.pri_level - PZERO;
p->numthreads = kp->ki_numthreads;
p->tid = kp->ki_tid;
p->thread_name = strdup(kp->ki_tdname);
if (kp->ki_flag & P_KPROC) p->is_kernel = 1;
return p;
}
static Eina_List *
_process_list_freebsd_fallback_get(void)
{
Eina_List *list;
struct kinfo_proc kp;
int mib[4];
size_t len;
static int pid_max;
pid_max = _pid_max();
list = NULL;
len = sizeof(int);
if (sysctlnametomib("kern.proc.pid", mib, &len) == -1)
return NULL;
for (int i = 1; i <= pid_max; i++)
{
mib[3] = i;
len = sizeof(kp);
if (sysctl(mib, 4, &kp, &len, NULL, 0) == -1)
continue;
if (kp.ki_flag & P_KPROC && !proc_info_kthreads_show_get())
continue;
Proc_Info *p = _proc_thread_info(&kp, 0);
if (p)
list = eina_list_append(list, p);
}
return list;
}
static Eina_List *
_process_list_freebsd_get(void)
{
kvm_t *kern;
Eina_List *list = NULL;
struct kinfo_proc *kps, *kp;
char errbuf[_POSIX2_LINE_MAX];
int pid_count;
kern = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf);
if (!kern)
return _process_list_freebsd_fallback_get();
kps = kvm_getprocs(kern, KERN_PROC_PROC, 0, &pid_count);
if (!kps)
{
kvm_close(kern);
return _process_list_freebsd_fallback_get();
}
for (int i = 0; i < pid_count; i++)
{
if (kps[i].ki_flag & P_KPROC && !proc_info_kthreads_show_get())
continue;
kp = &kps[i];
Proc_Info *p = _proc_thread_info(kp, 0);
if (p)
list = eina_list_append(list, p);
}
kvm_close(kern);
return list;
}
static Proc_Info *
_proc_info_by_pid_fallback(int pid)
{
struct kinfo_proc kp;
int mib[4];
size_t len;
len = sizeof(int);
if (sysctlnametomib("kern.proc.pid", mib, &len) == -1)
return NULL;
mib[3] = pid;
len = sizeof(kp);
if (sysctl(mib, 4, &kp, &len, NULL, 0) == -1)
return NULL;
Proc_Info *p = _proc_thread_info(&kp, 0);
return p;
}
Proc_Info *
proc_info_by_pid(int pid)
{
kvm_t *kern;
struct kinfo_proc *kps, *kp;
char errbuf[_POSIX2_LINE_MAX];
int pid_count;
kern = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf);
if (!kern)
return _proc_info_by_pid_fallback(pid);
kps = kvm_getprocs(kern, KERN_PROC_ALL, 0, &pid_count);
if (!kps)
{
kvm_close(kern);
return _proc_info_by_pid_fallback(pid);
}
Proc_Info *p = NULL;
// XXX: run_time does not include interrupts.
for (int i = 0; i < pid_count; i++)
{
if (kps[i].ki_flag & P_KPROC && !proc_info_kthreads_show_get())
continue;
if (kps[i].ki_pid != pid)
continue;
kp = &kps[i];
Proc_Info *t = _proc_thread_info(kp, 1);
if (!p)
{
p = _proc_thread_info(kp, 0);
p->cpu_time = 0;
}
p->cpu_time += t->cpu_time;
p->threads = eina_list_append(p->threads, t);
}
kvm_close(kern);
if (!p) return _proc_info_by_pid_fallback(pid);
return p;
}
#endif
void
proc_info_free(Proc_Info *proc)
{
Proc_Info *t;
if (!proc) return;
EINA_LIST_FREE(proc->threads, t)
{
proc_info_free(t);
}
if (proc->command)
free(proc->command);
if (proc->arguments)
free(proc->arguments);
if (proc->thread_name)
free(proc->thread_name);
free(proc);
}
Eina_List *
proc_info_all_get(void)
{
Eina_List *processes;
#if defined(__linux__)
processes = _process_list_linux_get();
#elif defined(__FreeBSD__) || defined(__DragonFly__)
processes = _process_list_freebsd_get();
#elif defined(__MacOS__)
processes = _process_list_macos_get();
#elif defined(__OpenBSD__)
processes = _process_list_openbsd_get();
#else
processes = NULL;
#endif
return processes;
}
static Eina_Bool
_child_add(Eina_List *parents, Proc_Info *child)
{
Eina_List *l;
Proc_Info *parent;
EINA_LIST_FOREACH(parents, l, parent)
{
if (parent->pid == child->ppid)
{
parent->children = eina_list_append(parent->children, child);
return 1;
}
}
return 0;
}
Eina_List *
proc_info_all_children_get()
{
Proc_Info *proc;
Eina_List *l;
Eina_List *procs;
procs = proc_info_all_get();
EINA_LIST_FOREACH(procs, l, proc)
{
int ok =_child_add(procs, proc);
(void) ok;
}
return procs;
}
Eina_List *
_append_wanted(Eina_List *wanted, Eina_List *tree)
{
Eina_List *l;
Proc_Info *parent;
EINA_LIST_FOREACH(tree, l, parent)
{
wanted = eina_list_append(wanted, parent);
if (parent->children)
wanted = _append_wanted(wanted, parent->children);
}
return wanted;
}
Eina_List *
proc_info_pid_children_get(pid_t pid)
{
Proc_Info *proc;
Eina_List *l, *procs, *wanted = NULL;
procs = proc_info_all_children_get();
EINA_LIST_FOREACH(procs, l, proc)
{
if (!wanted && proc->pid == pid)
{
wanted = eina_list_append(wanted, proc);
if (proc->children)
wanted = _append_wanted(wanted, proc->children);
}
}
EINA_LIST_FREE(procs, proc)
{
if (!eina_list_data_find(wanted, proc))
{
proc_info_free(proc);
}
}
return wanted;
}
void
proc_info_all_children_free(Eina_List *pstree)
{
Proc_Info *parent, *child;
EINA_LIST_FREE(pstree, parent)
{
EINA_LIST_FREE(parent->children, child)
proc_info_pid_children_free(child);
proc_info_free(parent);
}
}
void
proc_info_pid_children_free(Proc_Info *proc)
{
Proc_Info *child;
EINA_LIST_FREE(proc->children, child)
proc_info_free(child);
proc_info_free(proc);
}
int
proc_sort_by_pid(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
inf1 = p1; inf2 = p2;
return inf1->pid - inf2->pid;
}
int
proc_sort_by_uid(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
inf1 = p1; inf2 = p2;
return inf1->uid - inf2->uid;
}
int
proc_sort_by_nice(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
inf1 = p1; inf2 = p2;
return inf1->nice - inf2->nice;
}
int
proc_sort_by_pri(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
inf1 = p1; inf2 = p2;
return inf1->priority - inf2->priority;
}
int
proc_sort_by_cpu(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
inf1 = p1; inf2 = p2;
return inf1->cpu_id - inf2->cpu_id;
}
int
proc_sort_by_threads(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
inf1 = p1; inf2 = p2;
return inf1->numthreads - inf2->numthreads;
}
int
proc_sort_by_size(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
int64_t size1, size2;
inf1 = p1; inf2 = p2;
size1 = inf1->mem_size;
size2 = inf2->mem_size;
if (size1 > size2)
return 1;
if (size1 < size2)
return -1;
return 0;
}
int
proc_sort_by_rss(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
int64_t size1, size2;
inf1 = p1; inf2 = p2;
size1 = inf1->mem_rss;
size2 = inf2->mem_rss;
if (size1 > size2)
return 1;
if (size1 < size2)
return -1;
return 0;
}
int
proc_sort_by_time(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
int64_t t1, t2;
inf1 = p1; inf2 = p2;
t1 = inf1->run_time;
t2 = inf2->run_time;
if (t1 > t2)
return 1;
if (t1 < t2)
return -1;
return 0;
}
int
proc_sort_by_cpu_usage(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
double one, two;
inf1 = p1; inf2 = p2;
one = inf1->cpu_usage;
two = inf2->cpu_usage;
if (one > two)
return 1;
else if (one < two)
return -1;
else return 0;
}
int
proc_sort_by_cmd(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
inf1 = p1; inf2 = p2;
return strcasecmp(inf1->command, inf2->command);
}
int
proc_sort_by_state(const void *p1, const void *p2)
{
const Proc_Info *inf1, *inf2;
inf1 = p1; inf2 = p2;
return strcmp(inf1->state, inf2->state);
}
int
proc_sort_by_age(const void *p1, const void *p2)
{
const Proc_Info *c1 = p1, *c2 = p2;
return c1->start - c2->start;
}