diff options
Diffstat (limited to 'commands/uptime.c')
| -rw-r--r-- | commands/uptime.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/commands/uptime.c b/commands/uptime.c index a9a8c650b6..d67538631c 100644 --- a/commands/uptime.c +++ b/commands/uptime.c @@ -66,6 +66,9 @@ static int do_uptime(int argc, char *argv[]) BAREBOX_CMD_HELP_START(uptime) BAREBOX_CMD_HELP_TEXT("This command formats the number of elapsed nanoseconds") BAREBOX_CMD_HELP_TEXT("as measured with the current clocksource") +BAREBOX_CMD_HELP_TEXT("Note: Timekeeping is co-operative. If long running code does") +BAREBOX_CMD_HELP_TEXT("not use delay/is_timeout/get_time_ns/getchar functions") +BAREBOX_CMD_HELP_TEXT("timer may overrun resulting in incorrect results") BAREBOX_CMD_HELP_TEXT("Options:") BAREBOX_CMD_HELP_OPT ("-n", "output elapsed time in nanoseconds") BAREBOX_CMD_HELP_END |