From beefb8d0e556aaf3cb69168c5953e023ace6aa78 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Fri, 11 Dec 2015 11:56:56 +0900 Subject: [PATCH] perf top: Cleanup condition in perf_top__record_precise_ip() The 'he' cannot be NULL since it's caller hist_iter__top_callback() is called only if iter->he is not NULL (see hist_entry_iter__add). So setting 'sym' before the condition to simplify the code. Also make it clearer that the top->symbol_filter_entry check is only meaningful on stdio mode (i.e. when use_browser is 0). Signed-off-by: Namhyung Kim Cc: David Ahern Cc: Jiri Olsa Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1449802616-16170-4-git-send-email-namhyung@kernel.org [ Complete the simplification replacing one more he->ms.sym with sym ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-top.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index f447e5531f8b..92fe963e43c4 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -175,15 +175,14 @@ static void perf_top__record_precise_ip(struct perf_top *top, int counter, u64 ip) { struct annotation *notes; - struct symbol *sym; + struct symbol *sym = he->ms.sym; int err = 0; - if (he == NULL || he->ms.sym == NULL || - ((top->sym_filter_entry == NULL || - top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) + if (sym == NULL || (use_browser == 0 && + (top->sym_filter_entry == NULL || + top->sym_filter_entry->ms.sym != sym))) return; - sym = he->ms.sym; notes = symbol__annotation(sym); if (pthread_mutex_trylock(¬es->lock)) -- 2.20.1