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bootchart: rewrite usage message more generally

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WaLyong Cho 2014-04-25 00:50:52 +09:00 committed by Zbigniew Jędrzejewski-Szmek
parent 49e5b2a933
commit 7e6798df26
1 changed files with 17 additions and 16 deletions
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33
src/bootchart/bootchart.c
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@ -209,22 +209,23 @@ static int parse_args(int argc, char *argv[]) {
arg_entropy = true;
break;
case 'h':
fprintf(stderr, "Usage: %s [OPTIONS]\n", argv[0]);
fprintf(stderr, " --rel, -r Record time relative to recording\n");
fprintf(stderr, " --freq, -f f Sample frequency [%f]\n", arg_hz);
fprintf(stderr, " --samples, -n N Stop sampling at [%d] samples\n", arg_samples_len);
fprintf(stderr, " --scale-x, -x N Scale the graph horizontally [%f] \n", arg_scale_x);
fprintf(stderr, " --scale-y, -y N Scale the graph vertically [%f] \n", arg_scale_y);
fprintf(stderr, " --pss, -p Enable PSS graph (CPU intensive)\n");
fprintf(stderr, " --entropy, -e Enable the entropy_avail graph\n");
fprintf(stderr, " --output, -o [PATH] Path to output files [%s]\n", arg_output_path);
fprintf(stderr, " --init, -i [PATH] Path to init executable [%s]\n", arg_init_path);
fprintf(stderr, " --no-filter, -F Disable filtering of processes from the graph\n");
fprintf(stderr, " that are of less importance or short-lived\n");
fprintf(stderr, " --cmdline, -C Display the full command line with arguments\n");
fprintf(stderr, " of processes, instead of only the process name\n");
fprintf(stderr, " --control-group, -c Display process control group\n");
fprintf(stderr, " --help, -h Display this message\n");
fprintf(stderr, "Usage: %s [OPTIONS]\n\n", argv[0]);
fprintf(stderr, "Options:\n");
fprintf(stderr, " -r, --rel Record time relative to recording\n");
fprintf(stderr, " -f, --freq=FREQ Sample frequency [%f]\n", arg_hz);
fprintf(stderr, " -n, --samples=N Stop sampling at [%d] samples\n", arg_samples_len);
fprintf(stderr, " -x, --scale-x=N Scale the graph horizontally [%f] \n", arg_scale_x);
fprintf(stderr, " -y, --scale-y=N Scale the graph vertically [%f] \n", arg_scale_y);
fprintf(stderr, " -p, --pss Enable PSS graph (CPU intensive)\n");
fprintf(stderr, " -e, --entropy Enable the entropy_avail graph\n");
fprintf(stderr, " -o, --output=PATH Path to output files [%s]\n", arg_output_path);
fprintf(stderr, " -i, --init=PATH Path to init executable [%s]\n", arg_init_path);
fprintf(stderr, " -F, --no-filter Disable filtering of processes from the graph\n");
fprintf(stderr, " that are of less importance or short-lived\n");
fprintf(stderr, " -C, --cmdline Display the full command line with arguments\n");
fprintf(stderr, " of processes, instead of only the process name\n");
fprintf(stderr, " -c, --control-group Display process control group\n");
fprintf(stderr, " -h, --help Display this message\n\n");
fprintf(stderr, "See bootchart.conf for more information.\n");
exit (EXIT_SUCCESS);
default: