perf report (with TUI) exits with error when it finds a sample of zero length symbol(i.e. addr == sym->start == sym->end). Actually these are valid samples. Don't exit TUI and show report with such symbols.
Link: https://lkml.org/lkml/2016/10/8/189 Reported-by: Anton Blanchard <[email protected]> Signed-off-by: Ravi Bangoria <[email protected]> --- tools/perf/util/annotate.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index aeb5a44..430d039 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -593,7 +593,8 @@ static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); - if (addr < sym->start || addr >= sym->end) { + if ((addr < sym->start || addr >= sym->end) && + (addr != sym->end || sym->start != sym->end)) { pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, __LINE__, sym->name, sym->start, addr, sym->end); return -ERANGE; -- 1.8.3.1
