Re: [PATCH v2 4/5] perf report: Add --symbol-filter option

From: Arnaldo Carvalho de Melo
Date: Fri Mar 16 2012 - 15:42:48 EST


Em Fri, Mar 16, 2012 at 05:50:54PM +0900, Namhyung Kim escreveu:
> Add new --symbol-filter command line option to set appropriate
> filter string. Its short version is missing as I couldn't find
> an ideal one and --filter option of perf record also has no
> short version.

You need to update tools/perf/Documentation/perf-report.txt, please send
a follow on patch.

> Signed-off-by: Namhyung Kim <namhyung.kim@xxxxxxx>
> ---
> tools/perf/builtin-report.c | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index 8e91c6eba18a..80fb90741b64 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -50,6 +50,7 @@ struct perf_report {
> const char *pretty_printing_style;
> symbol_filter_t annotate_init;
> const char *cpu_list;
> + const char *symbol_filter_str;
> DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
> };
>
> @@ -400,6 +401,9 @@ static int __cmd_report(struct perf_report *rep)
> list_for_each_entry(pos, &session->evlist->entries, node) {
> struct hists *hists = &pos->hists;
>
> + if (pos->idx == 0)
> + hists->symbol_filter_str = rep->symbol_filter_str;
> +
> hists__collapse_resort(hists);
> hists__output_resort(hists);
> nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
> @@ -591,6 +595,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
> "only consider symbols in these comms"),
> OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
> "only consider these symbols"),
> + OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
> + "only show symbols that (partially) match with this filter"),
> OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
> "width[,width...]",
> "don't try to adjust column width, use these fixed values"),
> --
> 1.7.9
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