The -q/--quiet option is to suppress any message. Sometimes users just want to run the command and it can be used for that case.
Before: $ perf buildid-list -H No kallsyms or vmlinux with build-id 0dde46afc62ef46be224391d5c64379f984901e5 was found /lib/modules/4.8.3-1-ARCH/build/vmlinux with build id 0dde46afc62ef46be224391d5c64379f984901e5 not found, continuing without symbols Failed to open /lib/modules/4.8.3-1-ARCH/kernel/drivers/ata/libata.ko.gz, continuing without symbols 0dde46afc62ef46be224391d5c64379f984901e5 /lib/modules/4.8.3-1-ARCH/build/vmlinux 2524206aeba0015f174f320fad4b301a59ac311d /home/namhyung/project/linux/tools/perf/perf c778954ffb0e2239cd454d40c9de504e8601d990 /usr/lib/ld-2.24.so 13d24a5495ae34f58e52403f9153263488b62cf4 /usr/lib/libpthread-2.24.so 17ec69093fc89b16363635ea7f76f46145a08384 /usr/lib/libdl-2.24.so ... After: $ perf buildid-list -H -q 0dde46afc62ef46be224391d5c64379f984901e5 /lib/modules/4.8.3-1-ARCH/build/vmlinux 2524206aeba0015f174f320fad4b301a59ac311d /home/namhyung/project/linux/tools/perf/perf c778954ffb0e2239cd454d40c9de504e8601d990 /usr/lib/ld-2.24.so 13d24a5495ae34f58e52403f9153263488b62cf4 /usr/lib/libpthread-2.24.so 17ec69093fc89b16363635ea7f76f46145a08384 /usr/lib/libdl-2.24.so ... Suggested-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Namhyung Kim <[email protected]> --- tools/perf/Documentation/perf-buildid-list.txt | 3 +++ tools/perf/builtin-buildid-list.c | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/tools/perf/Documentation/perf-buildid-list.txt b/tools/perf/Documentation/perf-buildid-list.txt index 25c52efcc7f0..a892f883d8b5 100644 --- a/tools/perf/Documentation/perf-buildid-list.txt +++ b/tools/perf/Documentation/perf-buildid-list.txt @@ -36,6 +36,9 @@ OPTIONS -v:: --verbose:: Be more verbose. +-q:: +--quiet:: + Do not show any message. SEE ALSO -------- diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c index 5e914ee79eb3..6fc2a2fe6627 100644 --- a/tools/perf/builtin-buildid-list.c +++ b/tools/perf/builtin-buildid-list.c @@ -99,6 +99,7 @@ int cmd_buildid_list(int argc, const char **argv, OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"), OPT_INCR('v', "verbose", &verbose, "be more verbose"), + OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"), OPT_END() }; const char * const buildid_list_usage[] = { @@ -109,6 +110,9 @@ int cmd_buildid_list(int argc, const char **argv, argc = parse_options(argc, argv, options, buildid_list_usage, 0); setup_pager(); + if (quiet) + perf_quiet_option(); + if (show_kernel) return !(sysfs__fprintf_build_id(stdout) > 0); -- 2.11.0
