예제 #1
0
static void display(Hashmap *a) {
        Iterator i;
        Group *g;
        Group **array;
        signed path_columns;
        unsigned rows, n = 0, j, maxtcpu = 0, maxtpath = 3; /* 3 for ellipsize() to work properly */
        char buffer[MAX3(21, FORMAT_BYTES_MAX, FORMAT_TIMESPAN_MAX)];

        assert(a);

        if (!terminal_is_dumb())
                fputs(ANSI_HOME_CLEAR, stdout);

        array = alloca(sizeof(Group*) * hashmap_size(a));

        HASHMAP_FOREACH(g, a, i)
                if (g->n_tasks_valid || g->cpu_valid || g->memory_valid || g->io_valid)
                        array[n++] = g;

        qsort_safe(array, n, sizeof(Group*), group_compare);

        /* Find the longest names in one run */
        for (j = 0; j < n; j++) {
                unsigned cputlen, pathtlen;

                format_timespan(buffer, sizeof(buffer), (usec_t) (array[j]->cpu_usage / NSEC_PER_USEC), 0);
                cputlen = strlen(buffer);
                maxtcpu = MAX(maxtcpu, cputlen);

                pathtlen = strlen(array[j]->path);
                maxtpath = MAX(maxtpath, pathtlen);
        }

        if (arg_cpu_type == CPU_PERCENT)
                xsprintf(buffer, "%6s", "%CPU");
        else
                xsprintf(buffer, "%*s", maxtcpu, "CPU Time");

        rows = lines();
        if (rows <= 10)
                rows = 10;

        if (on_tty()) {
                const char *on, *off;

                path_columns = columns() - 36 - strlen(buffer);
                if (path_columns < 10)
                        path_columns = 10;

                on = ansi_highlight_underline();
                off = ansi_underline();

                printf("%s%s%-*s%s %s%7s%s %s%s%s %s%8s%s %s%8s%s %s%8s%s%s\n",
                       ansi_underline(),
                       arg_order == ORDER_PATH ? on : "", path_columns, "Control Group",
                       arg_order == ORDER_PATH ? off : "",
                       arg_order == ORDER_TASKS ? on : "", arg_count == COUNT_PIDS ? "Tasks" : arg_count == COUNT_USERSPACE_PROCESSES ? "Procs" : "Proc+",
                       arg_order == ORDER_TASKS ? off : "",
                       arg_order == ORDER_CPU ? on : "", buffer,
                       arg_order == ORDER_CPU ? off : "",
                       arg_order == ORDER_MEMORY ? on : "", "Memory",
                       arg_order == ORDER_MEMORY ? off : "",
                       arg_order == ORDER_IO ? on : "", "Input/s",
                       arg_order == ORDER_IO ? off : "",
                       arg_order == ORDER_IO ? on : "", "Output/s",
                       arg_order == ORDER_IO ? off : "",
                       ansi_normal());
        } else
                path_columns = maxtpath;

        for (j = 0; j < n; j++) {
                _cleanup_free_ char *ellipsized = NULL;
                const char *path;

                if (on_tty() && j + 6 > rows)
                        break;

                g = array[j];

                path = isempty(g->path) ? "/" : g->path;
                ellipsized = ellipsize(path, path_columns, 33);
                printf("%-*s", path_columns, ellipsized ?: path);

                if (g->n_tasks_valid)
                        printf(" %7" PRIu64, g->n_tasks);
                else
                        fputs("       -", stdout);

                if (arg_cpu_type == CPU_PERCENT) {
                        if (g->cpu_valid)
                                printf(" %6.1f", g->cpu_fraction*100);
                        else
                                fputs("      -", stdout);
                } else
                        printf(" %*s", maxtcpu, format_timespan(buffer, sizeof(buffer), (usec_t) (g->cpu_usage / NSEC_PER_USEC), 0));

                printf(" %8s", maybe_format_bytes(buffer, sizeof(buffer), g->memory_valid, g->memory));
                printf(" %8s", maybe_format_bytes(buffer, sizeof(buffer), g->io_valid, g->io_input_bps));
                printf(" %8s", maybe_format_bytes(buffer, sizeof(buffer), g->io_valid, g->io_output_bps));

                putchar('\n');
        }
}
예제 #2
0
파일: cgtop.c 프로젝트: DStape/systemd
static int display(Hashmap *a) {
        Iterator i;
        Group *g;
        Group **array;
        signed path_columns;
        unsigned rows, n = 0, j, maxtcpu = 0, maxtpath = 3; /* 3 for ellipsize() to work properly */
        char buffer[MAX3(21, FORMAT_BYTES_MAX, FORMAT_TIMESPAN_MAX)];

        assert(a);

        /* Set cursor to top left corner and clear screen */
        if (on_tty())
                fputs("\033[H"
                      "\033[2J", stdout);

        array = alloca(sizeof(Group*) * hashmap_size(a));

        HASHMAP_FOREACH(g, a, i)
                if (g->n_tasks_valid || g->cpu_valid || g->memory_valid || g->io_valid)
                        array[n++] = g;

        qsort_safe(array, n, sizeof(Group*), group_compare);

        /* Find the longest names in one run */
        for (j = 0; j < n; j++) {
                unsigned cputlen, pathtlen;

                format_timespan(buffer, sizeof(buffer), (nsec_t) (array[j]->cpu_usage / NSEC_PER_USEC), 0);
                cputlen = strlen(buffer);
                maxtcpu = MAX(maxtcpu, cputlen);
                pathtlen = strlen(array[j]->path);
                maxtpath = MAX(maxtpath, pathtlen);
        }

        if (arg_cpu_type == CPU_PERCENT)
                snprintf(buffer, sizeof(buffer), "%6s", "%CPU");
        else
                snprintf(buffer, sizeof(buffer), "%*s", maxtcpu, "CPU Time");

        rows = lines();
        if (rows <= 10)
                rows = 10;

        if (on_tty()) {
                path_columns = columns() - 36 - strlen(buffer);
                if (path_columns < 10)
                        path_columns = 10;

                printf("%s%-*s%s %s%7s%s %s%s%s %s%8s%s %s%8s%s %s%8s%s\n\n",
                       arg_order == ORDER_PATH ? ON : "", path_columns, "Path",
                       arg_order == ORDER_PATH ? OFF : "",
                       arg_order == ORDER_TASKS ? ON : "", "Tasks",
                       arg_order == ORDER_TASKS ? OFF : "",
                       arg_order == ORDER_CPU ? ON : "", buffer,
                       arg_order == ORDER_CPU ? OFF : "",
                       arg_order == ORDER_MEMORY ? ON : "", "Memory",
                       arg_order == ORDER_MEMORY ? OFF : "",
                       arg_order == ORDER_IO ? ON : "", "Input/s",
                       arg_order == ORDER_IO ? OFF : "",
                       arg_order == ORDER_IO ? ON : "", "Output/s",
                       arg_order == ORDER_IO ? OFF : "");
        } else
                path_columns = maxtpath;

        for (j = 0; j < n; j++) {
                char *p;

                if (on_tty() && j + 5 > rows)
                        break;

                g = array[j];

                p = ellipsize(g->path, path_columns, 33);
                printf("%-*s", path_columns, p ? p : g->path);
                free(p);

                if (g->n_tasks_valid)
                        printf(" %7u", g->n_tasks);
                else
                        fputs("       -", stdout);

                if (arg_cpu_type == CPU_PERCENT) {
                        if (g->cpu_valid)
                                printf(" %6.1f", g->cpu_fraction*100);
                        else
                                fputs("      -", stdout);
                } else
                        printf(" %*s", maxtcpu, format_timespan(buffer, sizeof(buffer), (nsec_t) (g->cpu_usage / NSEC_PER_USEC), 0));

                printf(" %8s", maybe_format_bytes(buffer, sizeof(buffer), g->memory_valid, g->memory));
                printf(" %8s", maybe_format_bytes(buffer, sizeof(buffer), g->io_valid, g->io_input_bps));
                printf(" %8s", maybe_format_bytes(buffer, sizeof(buffer), g->io_valid, g->io_output_bps));

                putchar('\n');
        }

        return 0;
}