Lines Matching refs:trace_fd
566 int trace_fd; in __cmd_ftrace() local
611 trace_fd = open(trace_file, O_RDONLY); in __cmd_ftrace()
615 if (trace_fd < 0) { in __cmd_ftrace()
620 fcntl(trace_fd, F_SETFL, O_NONBLOCK); in __cmd_ftrace()
621 pollfd.fd = trace_fd; in __cmd_ftrace()
648 int n = read(trace_fd, buf, sizeof(buf)); in __cmd_ftrace()
668 int n = read(trace_fd, buf, sizeof(buf)); in __cmd_ftrace()
676 close(trace_fd); in __cmd_ftrace()
878 int trace_fd; in __cmd_latency() local
898 trace_fd = prepare_func_latency(ftrace); in __cmd_latency()
899 if (trace_fd < 0) in __cmd_latency()
902 fcntl(trace_fd, F_SETFL, O_NONBLOCK); in __cmd_latency()
903 pollfd.fd = trace_fd; in __cmd_latency()
916 int n = read(trace_fd, buf, sizeof(buf) - 1); in __cmd_latency()
934 int n = read(trace_fd, buf, sizeof(buf) - 1); in __cmd_latency()
945 close(trace_fd); in __cmd_latency()