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perf ftrace: Make option description initials all capital letters

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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>
This commit is contained in:
Arnaldo Carvalho de Melo 2020-08-14 09:55:33 -03:00
parent c7a14fdcb3
commit 492e4edba6
1 changed files with 14 additions and 14 deletions
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28
tools/perf/builtin-ftrace.c
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@ -816,42 +816,42 @@ int cmd_ftrace(int argc, const char **argv)
}; };
const struct option ftrace_options[] = { const struct option ftrace_options[] = {
OPT_STRING('t', "tracer", &ftrace.tracer, "tracer", OPT_STRING('t', "tracer", &ftrace.tracer, "tracer",
"tracer to use: function_graph(default) or function"), "Tracer to use: function_graph(default) or function"),
OPT_BOOLEAN('F', "funcs", &ftrace.list_avail_functions, OPT_BOOLEAN('F', "funcs", &ftrace.list_avail_functions,
"Show available functions to filter"), "Show available functions to filter"),
OPT_STRING('p', "pid", &ftrace.target.pid, "pid", OPT_STRING('p', "pid", &ftrace.target.pid, "pid",
"trace on existing process id"), "Trace on existing process id"),
/* TODO: Add short option -t after -t/--tracer can be removed. */ /* TODO: Add short option -t after -t/--tracer can be removed. */
OPT_STRING(0, "tid", &ftrace.target.tid, "tid", OPT_STRING(0, "tid", &ftrace.target.tid, "tid",
"trace on existing thread id (exclusive to --pid)"), "Trace on existing thread id (exclusive to --pid)"),
OPT_INCR('v', "verbose", &verbose, OPT_INCR('v', "verbose", &verbose,
"be more verbose"), "Be more verbose"),
OPT_BOOLEAN('a', "all-cpus", &ftrace.target.system_wide, OPT_BOOLEAN('a', "all-cpus", &ftrace.target.system_wide,
"system-wide collection from all CPUs"), "System-wide collection from all CPUs"),
OPT_STRING('C', "cpu", &ftrace.target.cpu_list, "cpu", OPT_STRING('C', "cpu", &ftrace.target.cpu_list, "cpu",
"list of cpus to monitor"), "List of cpus to monitor"),
OPT_CALLBACK('T', "trace-funcs", &ftrace.filters, "func", OPT_CALLBACK('T', "trace-funcs", &ftrace.filters, "func",
"trace given functions using function tracer", "Trace given functions using function tracer",
parse_filter_func), parse_filter_func),
OPT_CALLBACK('N', "notrace-funcs", &ftrace.notrace, "func", OPT_CALLBACK('N', "notrace-funcs", &ftrace.notrace, "func",
"do not trace given functions", parse_filter_func), "Do not trace given functions", parse_filter_func),
OPT_CALLBACK(0, "func-opts", &ftrace, "options", OPT_CALLBACK(0, "func-opts", &ftrace, "options",
"function tracer options, available options: call-graph,irq-info", "Function tracer options, available options: call-graph,irq-info",
parse_func_tracer_opts), parse_func_tracer_opts),
OPT_CALLBACK('G', "graph-funcs", &ftrace.graph_funcs, "func", OPT_CALLBACK('G', "graph-funcs", &ftrace.graph_funcs, "func",
"trace given functions using function_graph tracer", "Trace given functions using function_graph tracer",
parse_filter_func), parse_filter_func),
OPT_CALLBACK('g', "nograph-funcs", &ftrace.nograph_funcs, "func", OPT_CALLBACK('g', "nograph-funcs", &ftrace.nograph_funcs, "func",
"Set nograph filter on given functions", parse_filter_func), "Set nograph filter on given functions", parse_filter_func),
OPT_CALLBACK(0, "graph-opts", &ftrace, "options", OPT_CALLBACK(0, "graph-opts", &ftrace, "options",
"graph tracer options, available options: nosleep-time,noirqs,verbose,thresh=<n>,depth=<n>", "Graph tracer options, available options: nosleep-time,noirqs,verbose,thresh=<n>,depth=<n>",
parse_graph_tracer_opts), parse_graph_tracer_opts),
OPT_CALLBACK('m', "buffer-size", &ftrace.percpu_buffer_size, "size", OPT_CALLBACK('m', "buffer-size", &ftrace.percpu_buffer_size, "size",
"size of per cpu buffer", parse_buffer_size), "Size of per cpu buffer, needs to use a B, K, M or G suffix.", parse_buffer_size),
OPT_BOOLEAN(0, "inherit", &ftrace.inherit, OPT_BOOLEAN(0, "inherit", &ftrace.inherit,
"trace children processes"), "Trace children processes"),
OPT_UINTEGER('D', "delay", &ftrace.initial_delay, OPT_UINTEGER('D', "delay", &ftrace.initial_delay,
"ms to wait before starting tracing after program start"), "Number of milliseconds to wait before starting tracing after program start"),
OPT_END() OPT_END()
}; };