perf ftrace: Make option description initials all capital letters
And improve a bit the -m description to state that a B/K/M/G suffix is needed. Cc: Changbin Du <changbin.du@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -816,42 +816,42 @@ int cmd_ftrace(int argc, const char **argv)
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};
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const struct option ftrace_options[] = {
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OPT_STRING('t', "tracer", &ftrace.tracer, "tracer",
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"tracer to use: function_graph(default) or function"),
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"Tracer to use: function_graph(default) or function"),
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OPT_BOOLEAN('F', "funcs", &ftrace.list_avail_functions,
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"Show available functions to filter"),
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OPT_STRING('p', "pid", &ftrace.target.pid, "pid",
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"trace on existing process id"),
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"Trace on existing process id"),
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/* TODO: Add short option -t after -t/--tracer can be removed. */
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OPT_STRING(0, "tid", &ftrace.target.tid, "tid",
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"trace on existing thread id (exclusive to --pid)"),
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"Trace on existing thread id (exclusive to --pid)"),
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OPT_INCR('v', "verbose", &verbose,
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"be more verbose"),
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"Be more verbose"),
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OPT_BOOLEAN('a', "all-cpus", &ftrace.target.system_wide,
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"system-wide collection from all CPUs"),
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"System-wide collection from all CPUs"),
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OPT_STRING('C', "cpu", &ftrace.target.cpu_list, "cpu",
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"list of cpus to monitor"),
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"List of cpus to monitor"),
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OPT_CALLBACK('T', "trace-funcs", &ftrace.filters, "func",
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"trace given functions using function tracer",
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"Trace given functions using function tracer",
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parse_filter_func),
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OPT_CALLBACK('N', "notrace-funcs", &ftrace.notrace, "func",
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"do not trace given functions", parse_filter_func),
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"Do not trace given functions", parse_filter_func),
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OPT_CALLBACK(0, "func-opts", &ftrace, "options",
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"function tracer options, available options: call-graph,irq-info",
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"Function tracer options, available options: call-graph,irq-info",
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parse_func_tracer_opts),
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OPT_CALLBACK('G', "graph-funcs", &ftrace.graph_funcs, "func",
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"trace given functions using function_graph tracer",
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"Trace given functions using function_graph tracer",
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parse_filter_func),
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OPT_CALLBACK('g', "nograph-funcs", &ftrace.nograph_funcs, "func",
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"Set nograph filter on given functions", parse_filter_func),
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OPT_CALLBACK(0, "graph-opts", &ftrace, "options",
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"graph tracer options, available options: nosleep-time,noirqs,verbose,thresh=<n>,depth=<n>",
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"Graph tracer options, available options: nosleep-time,noirqs,verbose,thresh=<n>,depth=<n>",
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parse_graph_tracer_opts),
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OPT_CALLBACK('m', "buffer-size", &ftrace.percpu_buffer_size, "size",
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"size of per cpu buffer", parse_buffer_size),
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"Size of per cpu buffer, needs to use a B, K, M or G suffix.", parse_buffer_size),
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OPT_BOOLEAN(0, "inherit", &ftrace.inherit,
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"trace children processes"),
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"Trace children processes"),
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OPT_UINTEGER('D', "delay", &ftrace.initial_delay,
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"ms to wait before starting tracing after program start"),
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"Number of milliseconds to wait before starting tracing after program start"),
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OPT_END()
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};
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