diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/builtin-report.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 6e88460cd13d..33ff5c843346 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -292,6 +292,13 @@ static int report__setup_sample_type(struct report *rep) PERF_SAMPLE_BRANCH_ANY)) rep->nonany_branch_mode = true; +#ifndef HAVE_LIBUNWIND_SUPPORT + if (dwarf_callchain_users) { + ui__warning("Please install libunwind development packages " + "during the perf build.\n"); + } +#endif + return 0; } |