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Date: Mon, 9 Nov 2015 11:32:58 +0900 From: Taeung Song <treeze.taeung@...il.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>, Taeung Song <treeze.taeung@...il.com>, Namhyung Kim <namhyung@...nel.org>, Jiri Olsa <jolsa@...hat.com> Subject: [PATCH v10 05/22] perf config: Document 'buildid.dir' variable in man page Explain 'buildid.dir' variable. Cc: Namhyung Kim <namhyung@...nel.org> Cc: Jiri Olsa <jolsa@...hat.com> Signed-off-by: Taeung Song <treeze.taeung@...il.com> --- tools/perf/Documentation/perf-config.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 32eac14..ee98fca 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -151,6 +151,21 @@ tui.*, gtk.*:: By setting value, TUI or GTK can be enabled or not. But it is needed that perf detects the required library for them during build. +buildid.*:: + buildid.dir:: + Each executable and shared library in modern distributions comes with a + content based identifier that, if available, will be inserted in a + 'perf.data' file header to, at analysis time find what is needed to do + symbol resolution, code annotation, etc. + + The recording tools also stores a hard link or copy in a per-user + directory, $HOME/.debug/, of binaries, shared libraries, /proc/kallsyms + and /proc/kcore files to be used at analysis time. + + The buildid.dir variable can be used to either change this directory + cache location, or to disable it altogether. If you want to disable it, + set buildid.dir to /dev/null. The default is $HOME/.debug + SEE ALSO -------- linkperf:perf[1] -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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