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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-14 10:29:44 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-18 12:24:00 -0300 |
commit | 41e0d040c475251eea14c8b92ea3a01c5e269856 (patch) | |
tree | 35e0102a0f51507885b68cfab1d7c0034c73a520 /tools/perf/builtin-config.c | |
parent | 42e4a52d01d087e7ce069049799e3e336eaec101 (diff) | |
download | linux-41e0d040c475251eea14c8b92ea3a01c5e269856.tar.bz2 |
perf config: Show the configuration when no arguments are provided
More convenient thah having to recall what letter is about
showing/listing/dumping the configuration, i.e. no arguments means
-l/--list:
# perf config
llvm.dump-obj=true
trace.default_events=/home/acme/git/perf/tools/perf/examples/bpf/augmented_raw_syscalls.o
trace.show_zeros=yes
trace.show_duration=no
# perf config -l
llvm.dump-obj=true
trace.default_events=/home/acme/git/perf/tools/perf/examples/bpf/augmented_raw_syscalls.o
trace.show_zeros=yes
trace.show_duration=no
# perf config -h
Usage: perf config [<file-option>] [options] [section.name[=value] ...]
-l, --list show current config variables
--system use system config file
--user use user config file
#
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-z2n63avz6tliqb5gmu4l1dti@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-config.c')
-rw-r--r-- | tools/perf/builtin-config.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c index 514f70f95b57..d76f831f94c7 100644 --- a/tools/perf/builtin-config.c +++ b/tools/perf/builtin-config.c @@ -196,6 +196,7 @@ int cmd_config(int argc, const char **argv) pr_err("Error: takes no arguments\n"); parse_options_usage(config_usage, config_options, "l", 1); } else { +do_action_list: if (show_config(set) < 0) { pr_err("Nothing configured, " "please check your %s \n", config_filename); @@ -204,10 +205,8 @@ int cmd_config(int argc, const char **argv) } break; default: - if (!argc) { - usage_with_options(config_usage, config_options); - break; - } + if (!argc) + goto do_action_list; for (i = 0; argv[i]; i++) { char *var, *value; |