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perf hists browser: Inform how to reset the symbol filter
When in the hists browser, i.e. in 'perf report' or in 'perf top', it is possible to press '/' and specify a substring to filter by symbol name. Clarify how to remove a filter by making the prompt be: Please enter the name of symbol you want to see. To remove the filter later, press / + ENTER Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-vbq2b0kyufwy6p0ctkfswcoe@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -1889,7 +1889,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
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continue;
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case '/':
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if (ui_browser__input_window("Symbol to show",
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"Please enter the name of symbol you want to see",
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"Please enter the name of symbol you want to see.\n"
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"To remove the filter later, press / + ENTER.",
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buf, "ENTER: OK, ESC: Cancel",
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delay_secs * 2) == K_ENTER) {
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hists->symbol_filter_str = *buf ? buf : NULL;
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