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Date: Mon, 10 Feb 2020 10:31:47 -0600 From: Kim Phillips <kim.phillips@....com> To: Arnaldo Carvalho de Melo <acme@...hat.com>, kim.phillips@....com Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Andi Kleen <ak@...ux.intel.com>, Mark Rutland <mark.rutland@....com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...nel.org>, Cong Wang <xiyou.wangcong@...il.com>, Jin Yao <yao.jin@...ux.intel.com>, Kan Liang <kan.liang@...ux.intel.com>, Song Liu <songliubraving@...com>, Davidlohr Bueso <dave@...olabs.net>, linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 3/3 v2] perf symbols: convert symbol__is_idle to use strlist Use the more optimized strlist implementation to do the idle function lookup. Cc: Peter Zijlstra <peterz@...radead.org> Cc: Ingo Molnar <mingo@...hat.com> Cc: Andi Kleen <ak@...ux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@...hat.com> Cc: Mark Rutland <mark.rutland@....com> Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Cc: Jiri Olsa <jolsa@...nel.org> Cc: Jiri Olsa <jolsa@...hat.com> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Cong Wang <xiyou.wangcong@...il.com> Cc: Jin Yao <yao.jin@...ux.intel.com> Cc: Kan Liang <kan.liang@...ux.intel.com> Cc: Kim Phillips <kim.phillips@....com> Cc: Song Liu <songliubraving@...com> Cc: Davidlohr Bueso <dave@...olabs.net> Cc: linux-perf-users@...r.kernel.org Cc: linux-kernel@...r.kernel.org Signed-off-by: Kim Phillips <kim.phillips@....com> --- v2: new this series, based on Jiri's comment: https://lore.kernel.org/lkml/20200120092844.GC608405@krava/ ...and this time with the Cc list intact. tools/perf/util/symbol.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index f3120c4f47ad..1077013d8ce2 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -654,13 +654,17 @@ static bool symbol__is_idle(const char *name) NULL }; int i; + static struct strlist *idle_symbols_list; - for (i = 0; idle_symbols[i]; i++) { - if (!strcmp(idle_symbols[i], name)) - return true; - } + if (idle_symbols_list) + return strlist__has_entry(idle_symbols_list, name); - return false; + idle_symbols_list = strlist__new(NULL, NULL); + + for (i = 0; idle_symbols[i]; i++) + strlist__add(idle_symbols_list, idle_symbols[i]); + + return strlist__has_entry(idle_symbols_list, name); } static int map__process_kallsym_symbol(void *arg, const char *name, -- 2.25.0
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