Commit-ID: 25b1606be1a910a63a23c3d1006581c9aad4e6e3 Gitweb: http://git.kernel.org/tip/25b1606be1a910a63a23c3d1006581c9aad4e6e3 Author: Namhyung Kim <[email protected]> AuthorDate: Sat, 28 Nov 2015 02:32:37 +0900 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Fri, 27 Nov 2015 16:56:32 -0300
perf report: Show error message when processing sample fails Currently when perf fails to process samples for some reason, it doesn't show any message about the failure. This is very inconvenient for users especially on TUI as screen is reset after the failure. Reported-by: Ingo Molnar <[email protected]> Signed-off-by: Namhyung Kim <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/builtin-report.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 8a9c690..af5db88 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -513,20 +513,26 @@ static int __cmd_report(struct report *rep) if (rep->cpu_list) { ret = perf_session__cpu_bitmap(session, rep->cpu_list, rep->cpu_bitmap); - if (ret) + if (ret) { + ui__error("failed to set cpu bitmap\n"); return ret; + } } if (rep->show_threads) perf_read_values_init(&rep->show_threads_values); ret = report__setup_sample_type(rep); - if (ret) + if (ret) { + /* report__setup_sample_type() already showed error message */ return ret; + } ret = perf_session__process_events(session); - if (ret) + if (ret) { + ui__error("failed to process sample\n"); return ret; + } report__warn_kptr_restrict(rep); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
