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| author | Benno Schulenberg | 2014-12-22 22:57:17 +0100 |
|---|---|---|
| committer | Karel Zak | 2015-01-06 11:27:38 +0100 |
| commit | 451dbcfae1406f526208faf6033d6dcc8ac100da (patch) | |
| tree | 594265cfbfad9989191ae3df877d7e6c300699a8 /schedutils | |
| parent | chsh: keep struct options in .rodata (diff) | |
| download | kernel-qcow2-util-linux-451dbcfae1406f526208faf6033d6dcc8ac100da.tar.gz kernel-qcow2-util-linux-451dbcfae1406f526208faf6033d6dcc8ac100da.tar.xz kernel-qcow2-util-linux-451dbcfae1406f526208faf6033d6dcc8ac100da.zip | |
textual: add a docstring to most of the utilities
This adds a concise description of a tool to its usage text.
A first form of this patch was proposed by Steven Honeyman
(see http://www.spinics.net/lists/util-linux-ng/msg09994.html).
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
Diffstat (limited to 'schedutils')
| -rw-r--r-- | schedutils/chrt.c | 2 | ||||
| -rw-r--r-- | schedutils/ionice.c | 3 | ||||
| -rw-r--r-- | schedutils/taskset.c | 4 |
3 files changed, 8 insertions, 1 deletions
diff --git a/schedutils/chrt.c b/schedutils/chrt.c index 7988b2a03..fe4c179cb 100644 --- a/schedutils/chrt.c +++ b/schedutils/chrt.c @@ -57,8 +57,8 @@ static void __attribute__((__noreturn__)) show_usage(int rc) { FILE *out = rc == EXIT_SUCCESS ? stdout : stderr; + fputs(_("Show or change the real-time scheduling attributes of a process.\n"), out); fprintf(out, _( - "\nchrt - manipulate real-time attributes of a process\n" "\nSet policy:\n" " chrt [options] [<policy>] <priority> [-p <pid> | <command> [<arg>...]]\n" "\nGet policy:\n" diff --git a/schedutils/ionice.c b/schedutils/ionice.c index fa43e4874..fb5d04a8b 100644 --- a/schedutils/ionice.c +++ b/schedutils/ionice.c @@ -108,6 +108,9 @@ static void __attribute__ ((__noreturn__)) usage(FILE * out) " %1$s [options] -u <uid>...\n" " %1$s [options] <command>\n"), program_invocation_short_name); + fputs(USAGE_SEPARATOR, out); + fputs(_("Show or change the I/O-scheduling class and priority of a process.\n"), out); + fputs(USAGE_OPTIONS, out); fputs(_(" -c, --class <class> name or number of scheduling class,\n" " 0: none, 1: realtime, 2: best-effort, 3: idle\n"), out); diff --git a/schedutils/taskset.c b/schedutils/taskset.c index 1bf1291cd..d6b21e45c 100644 --- a/schedutils/taskset.c +++ b/schedutils/taskset.c @@ -51,6 +51,10 @@ static void __attribute__((__noreturn__)) usage(FILE *out) _("Usage: %s [options] [mask | cpu-list] [pid|cmd [args...]]\n\n"), program_invocation_short_name); + fputs(USAGE_SEPARATOR, out); + fputs(_("Show or change the CPU affinity of a process.\n"), out); + fputs(USAGE_SEPARATOR, out); + fprintf(out, _( "Options:\n" " -a, --all-tasks operate on all the tasks (threads) for a given pid\n" |