1#include "top.h"
 2
 3#include <OS.h>
 4#include <string.h>
 5
 6const char* ffTopGetProcessSnapshot(FFlist* snapshots, FFTopTypes showTypes) {
 7    int32 cookie = 0;
 8    team_info team;
 9    while (get_next_team_info(&cookie, &team) == B_OK) {
10        if (team.team == B_SYSTEM_TEAM) {
11            continue; // The kernel team
12        }
13
14        FFTopProcessSnapshot* item = FF_LIST_ADD(FFTopProcessSnapshot, *snapshots);
15
16        ffStrbufInitS(&item->name, team.name);
17
18        item->pid = (uint32_t) team.team;
19
20        // User and kernel time of all threads of the team combined in microseconds.
21        item->cpuTime = 0;
22        team_usage_info usage;
23        if (get_team_usage_info(team.team, B_TEAM_USAGE_SELF, &usage) == B_OK) {
24            item->cpuTime = ((uint64_t) usage.user_time + (uint64_t) usage.kernel_time) / 1000;
25        }
26
27        // Sum up the physically resident memory of all areas of the team;
28        // ram_size is the amount of physical pages committed to an area,
29        // whereas size is just its virtual reservation.
30        uint64_t memBytes = 0;
31        ssize_t areaCookie = 0;
32        area_info area;
33        while (get_next_area_info(team.team, &areaCookie, &area) == B_OK) {
34            memBytes += area.ram_size;
35        }
36        item->memBytes = memBytes;
37
38        // start_time is microseconds since boot.
39        item->startTime = (uint64_t) team.start_time;
40
41        // Storage io counters are not exposed by Haiku; leave them zeroed.
42        item->bytesRead = 0;
43        item->bytesWritten = 0;
44        item->threads = (uint32_t) team.thread_count;
45    }
46
47    return nullptr;
48}