From: Namhyung Kim <namhyung....@lge.com> It's convenient to use pager when seeing many lines of result.
Cc: Steven Rostedt <rost...@goodmis.org> Cc: Frederic Weisbecker <fweis...@gmail.com> Signed-off-by: Namhyung Kim <namhy...@kernel.org> --- tools/perf/builtin-ftrace.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c index de6afd50cff2..588d61de1c89 100644 --- a/tools/perf/builtin-ftrace.c +++ b/tools/perf/builtin-ftrace.c @@ -227,6 +227,7 @@ static int do_ftrace_live(struct perf_ftrace *ftrace) signal(SIGINT, sig_handler); signal(SIGUSR1, sig_handler); signal(SIGCHLD, sig_handler); + signal(SIGPIPE, sig_handler); if (setup_tracing_files(ftrace) < 0) goto out_reset; @@ -1472,6 +1473,8 @@ __cmd_ftrace_live(struct perf_ftrace *ftrace, int argc, const char **argv) if (!argc && perf_target__none(&ftrace->target)) usage_with_options(live_usage, live_options); + setup_pager(); + ret = perf_target__validate(&ftrace->target); if (ret) { char errbuf[512]; @@ -1618,6 +1621,8 @@ __cmd_ftrace_show(struct perf_ftrace *ftrace, int argc, const char **argv) if (ftrace->dirname == NULL) ftrace->dirname = DEFAULT_DIRNAME; + setup_pager(); + ret = do_ftrace_show(ftrace); perf_evlist__delete_maps(ftrace->evlist); @@ -1679,6 +1684,7 @@ __cmd_ftrace_report(struct perf_ftrace *ftrace, int argc, const char **argv) perf_hpp__column_enable(PERF_HPP__OVERHEAD); perf_hpp__init(); + setup_pager(); setup_sorting(); symbol_conf.exclude_other = false; -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/