340 lines
7.6 KiB
C
340 lines
7.6 KiB
C
#include <e.h>
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#include "process.h"
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#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
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# include <sys/types.h>
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# include <sys/sysctl.h>
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#endif
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static int64_t _mem_total;
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static Eina_List *_clients = NULL;
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static Ecore_Timer *_clients_timer = NULL;
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#define _TIMER_FREQ 3.0
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typedef struct _Proc_Stats Proc_Stats;
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struct _Proc_Stats
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{
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E_Client *client;
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Evas_Object *obj;
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Evas_Object *obj_swallow;
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pid_t pid;
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uint64_t mem_size;
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uint64_t cpu_time;
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uint64_t cpu_time_prev;
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};
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static void
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_memory_total(void)
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{
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#if defined(__linux__)
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char line[256];
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FILE *f = fopen("/proc/meminfo", "r");
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if (!f) return;
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while (fgets(line, sizeof(line), f) != NULL)
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{
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if (!strncmp("MemTotal:", line, 9))
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{
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char *p, *t;
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p = strchr(line, ':') + 1;
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while (isspace(*p)) p++;
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t = strtok(p, " ");
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_mem_total = atoll(t) * 1024;
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break;
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}
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}
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fclose(f);
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#else
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size_t len = sizeof(_mem_total);
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int mib[5] = { CTL_HW, HW_PHYSMEM, 0, 0, 0 };
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sysctl(mib, 2, &_mem_total, &len, NULL, 0);
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#endif
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}
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static Eina_Bool
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_proc_stats_item_exists(E_Client *ec)
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{
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Proc_Stats *item;
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Eina_List *l;
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EINA_LIST_FOREACH(_clients, l, item)
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{
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if (item->pid == ec->netwm.pid) return 1;
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}
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return 0;
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}
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static void
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_proc_stats_item_del(Proc_Stats *item)
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{
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edje_object_signal_emit(item->obj, "e,state,procstats,off", "e");
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evas_object_del(item->obj_swallow);
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free(item);
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}
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static void
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_proc_stats_client_del_cb(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
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{
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Proc_Stats *item = data;
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evas_object_hide(item->obj_swallow);
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edje_object_signal_emit(obj, "e,state,procstats,off", "e");
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}
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static void
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_proc_stats_item_add(E_Client *ec)
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{
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Evas_Object *tb, *pb;
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Evas_Object *o;
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Proc_Stats *item;
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if (ec->internal || ec->netwm.pid == -1) return;
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if (!ec->frame_object) return;
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if (_proc_stats_item_exists(ec)) return;
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o = edje_object_add(evas_object_evas_get(ec->frame));
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e_theme_edje_object_set(o, "base/theme/borders",
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"e/widgets/border/default/border");
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if (!edje_object_part_exists(o, "e.procstats.swallow")) return;
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tb = elm_table_add(e_comp->elm);
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evas_object_show(tb);
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pb = elm_progressbar_add(e_comp->elm);
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elm_progressbar_span_size_set(pb, 60);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_show(pb);
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elm_table_pack(tb, pb, 0, 0, 1, 1);
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evas_object_data_set(tb, "pb_cpu", pb);
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pb = elm_progressbar_add(e_comp->elm);
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elm_progressbar_span_size_set(pb, 100);
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evas_object_size_hint_align_set(pb, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_show(pb);
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elm_table_pack(tb, pb, 1, 0, 1, 1);
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evas_object_data_set(tb, "pb_mem", pb);
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item = calloc(1, sizeof(Proc_Stats));
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EINA_SAFETY_ON_NULL_RETURN(item);
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item->pid = ec->netwm.pid;
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item->client = ec;
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item->obj = ec->frame_object;
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item->obj_swallow = tb;
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edje_object_part_swallow(ec->frame_object, "e.procstats.swallow", tb);
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edje_object_signal_emit(ec->frame_object, "e,state,procstats,on", "e");
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evas_object_event_callback_add(item->obj, EVAS_CALLBACK_DEL, _proc_stats_client_del_cb, item);
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_clients = eina_list_append(_clients, item);
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}
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static void
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_proc_stats_item_remove(Proc_Stats *item)
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{
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Eina_List *l, *l_next;
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Proc_Stats *it;
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EINA_LIST_FOREACH_SAFE(_clients, l, l_next, it)
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{
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if (it == item)
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{
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_proc_stats_item_del(item);
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_clients = eina_list_remove_list(_clients, l);
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return;
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}
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}
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}
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static Eina_Bool
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_proc_stats_item_gone(Proc_Stats *item)
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{
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Eina_List *l;
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E_Client *ec;
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EINA_LIST_FOREACH(e_comp->clients, l, ec)
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{
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if (item->client == ec) return 0;
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}
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return 1;
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}
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static void
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_proc_stats_item_children_update(Eina_List *children, Proc_Stats *item)
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{
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Eina_List *l;
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Proc_Info *child;
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EINA_LIST_FOREACH(children, l, child)
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{
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item->mem_size += child->mem_size;
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item->cpu_time += child->cpu_time;
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if (child->children)
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_proc_stats_item_children_update(child->children, item);
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}
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}
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static char *
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_size_format(unsigned long long bytes)
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{
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const char *units = "BKMGTPEZY";
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char buf[1024];
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unsigned long powi = 1;
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unsigned long long value;
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unsigned int precision = 2, powj = 1;
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value = bytes;
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while (value > 1024)
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{
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if ((value / 1024) < powi) break;
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powi *= 1024;
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++units;
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if (units[1] == '\0') break;
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}
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if (*units == 'B') precision = 0;
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while (precision > 0)
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{
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powj *= 10;
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if ((value / powi) < powj) break;
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--precision;
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}
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snprintf(buf, sizeof(buf), "%1.*f%c", precision, (double) value / powi, *units);
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return strdup(buf);
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}
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static void
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_proc_stats_item_display(Proc_Stats *item)
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{
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Evas_Object *pb;
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Eina_Strbuf *buf;
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char *s;
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double val = 0.0;
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if (item->cpu_time_prev > item->cpu_time)
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return;
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if (!item->cpu_time_prev) item->cpu_time_prev = item->cpu_time;
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pb = evas_object_data_get(item->obj_swallow, "pb_cpu");
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val = (item->cpu_time - item->cpu_time_prev) / _TIMER_FREQ;
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elm_progressbar_value_set(pb, val / 100.0);
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buf = eina_strbuf_new();
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eina_strbuf_append_printf(buf, "%1.0f %%", val);
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elm_object_part_text_set(pb, "elm.text.status", eina_strbuf_string_get(buf));
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eina_strbuf_reset(buf);
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pb = evas_object_data_get(item->obj_swallow, "pb_mem");
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val = item->mem_size / (_mem_total / 100.0);
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elm_progressbar_value_set(pb, val / 100.0);
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s = _size_format(item->mem_size);
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eina_strbuf_append_printf(buf, "%s/", s);
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free(s);
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s = _size_format(_mem_total);
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eina_strbuf_append(buf, s);
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free(s);
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elm_object_part_text_set(pb, "elm.text.status", eina_strbuf_string_get(buf));
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eina_strbuf_free(buf);
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}
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static void
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_proc_stats_item_update(Eina_List *procs, Proc_Stats *item)
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{
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Proc_Info *proc;
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Eina_List *l;
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EINA_LIST_FOREACH(procs, l, proc)
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{
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if (proc->pid == item->pid)
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{
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item->cpu_time = item->mem_size = 0;
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item->mem_size += proc->mem_size;
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item->cpu_time += proc->cpu_time;
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_proc_stats_item_children_update(proc->children, item);
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break;
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}
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}
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_proc_stats_item_display(item);
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item->cpu_time_prev = item->cpu_time;
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}
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static Eina_Bool
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_proc_stats_timer_cb(void *data EINA_UNUSED)
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{
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Eina_List *procs, *l;
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E_Client *ec;
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Proc_Info *proc;
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Proc_Stats *item;
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EINA_LIST_FOREACH(e_comp->clients, l, ec)
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{
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if (!_proc_stats_item_exists(ec))
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_proc_stats_item_add(ec);
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}
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procs = proc_info_all_children_get();
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EINA_LIST_FOREACH(_clients, l, item)
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{
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if (_proc_stats_item_gone(item))
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_proc_stats_item_remove(item);
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else
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_proc_stats_item_update(procs, item);
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}
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EINA_LIST_FREE(procs, proc)
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proc_info_free(proc);
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return 1;
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}
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E_API E_Module_Api e_modapi =
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{
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E_MODULE_API_VERSION,
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"Procstats"
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};
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E_API int
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e_modapi_init(E_Module *m EINA_UNUSED)
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{
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_memory_total();
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_proc_stats_timer_cb(NULL);
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_clients_timer = ecore_timer_add(_TIMER_FREQ, _proc_stats_timer_cb, NULL);
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return 1;
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}
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E_API int
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e_modapi_shutdown(E_Module *m EINA_UNUSED)
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{
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Proc_Stats *item;
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if (_clients_timer)
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ecore_timer_del(_clients_timer);
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_clients_timer = NULL;
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EINA_LIST_FREE(_clients, item)
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_proc_stats_item_del(item);
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_clients = NULL;
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return 1;
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}
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E_API int
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e_modapi_save(E_Module *m EINA_UNUSED)
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{
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return 1;
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}
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