Commit-ID: 2733525b8c1a5f9b6e55338d836b835c9c698913 Gitweb: http://git.kernel.org/tip/2733525b8c1a5f9b6e55338d836b835c9c698913 Author: Taeung Song <treeze.tae...@gmail.com> AuthorDate: Fri, 8 Jan 2016 20:39:33 +0900 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Tue, 26 Jan 2016 11:52:47 -0300
perf config: Document 'buildid.dir' variable in man page Explain 'buildid.dir' variable. Signed-off-by: Taeung Song <treeze.tae...@gmail.com> Cc: Jiri Olsa <jo...@kernel.org> Cc: Namhyung Kim <namhy...@kernel.org> Link: http://lkml.kernel.org/r/1452253193-30502-4-git-send-email-treeze.tae...@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.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 ccbdb64..a095f0c 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -154,6 +154,21 @@ tui.*, gtk.*:: will make the TUI be the default for the 'top' subcommand. Those will be available if the required libs were detected at tool build time. +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]
