stdin_poll 490 tools/perf/builtin-top.c struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; stdin_poll 499 tools/perf/builtin-top.c poll(&stdin_poll, 1, -1); stdin_poll 666 tools/perf/builtin-top.c struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; stdin_poll 694 tools/perf/builtin-top.c switch (poll(&stdin_poll, 1, delay_msecs)) {