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perf diff: Add kallsyms option

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Required for off-box analysis to convert kernel addresses.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1427212317-7018-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Ahern 2015-03-24 09:51:57 -06:00 committed by Arnaldo Carvalho de Melo
parent b839e1e846
commit 6b1f342354
2 changed files with 5 additions and 0 deletions
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3
tools/perf/Documentation/perf-diff.txt
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@ -31,6 +31,9 @@ OPTIONS
--dump-raw-trace:: --dump-raw-trace::
Dump raw trace in ASCII. Dump raw trace in ASCII.
--kallsyms=<file>::
kallsyms pathname
-m:: -m::
--modules:: --modules::
Load module symbols. WARNING: use only with -k and LIVE kernel Load module symbols. WARNING: use only with -k and LIVE kernel

2
tools/perf/builtin-diff.c
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@ -791,6 +791,8 @@ static const struct option options[] = {
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"), "dump raw trace in ASCII"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
"file", "kallsyms pathname"),
OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
"load module symbols - WARNING: use only with -k and LIVE kernel"), "load module symbols - WARNING: use only with -k and LIVE kernel"),
OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",