From 6b1f342354d45c651cabd2ae0f61f55846f33e10 Mon Sep 17 00:00:00 2001 From: David Ahern Date: Tue, 24 Mar 2015 09:51:57 -0600 Subject: [PATCH] perf diff: Add kallsyms option Required for off-box analysis to convert kernel addresses. Signed-off-by: David Ahern Cc: Jiri Olsa Link: http://lkml.kernel.org/r/1427212317-7018-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-diff.txt | 3 +++ tools/perf/builtin-diff.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt index 518266192d67..d1deb573877f 100644 --- a/tools/perf/Documentation/perf-diff.txt +++ b/tools/perf/Documentation/perf-diff.txt @@ -31,6 +31,9 @@ OPTIONS --dump-raw-trace:: Dump raw trace in ASCII. +--kallsyms=:: + kallsyms pathname + -m:: --modules:: Load module symbols. WARNING: use only with -k and LIVE kernel diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 473887d1d61a..df6307b4050a 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -791,6 +791,8 @@ static const struct option options[] = { OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), 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, "load module symbols - WARNING: use only with -k and LIVE kernel"), OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", -- 2.20.1