perf symbols: Simplify symbol machinery setup
And also express its configuration toggles via a struct.
Now all one has to do is to call symbol__init(NULL) if the
defaults are OK, or pass a struct symbol_conf pointer with the
desired configuration.
If a tool uses kernel_maps__find_symbol() to look at the kernel
and modules mappings for a symbol but didn't call symbol__init()
first, that will generate a one time warning too, alerting the
subcommand developer that symbol__init() must be called.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259071517-3242-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1826be7..0ee3d05 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -39,7 +39,6 @@
static struct strlist *dso_list, *comm_list, *sym_list;
static int force;
-static bool use_modules;
static int full_paths;
static int show_nr_samples;
@@ -53,12 +52,13 @@
static int exclude_other = 1;
static char callchain_default_opt[] = "fractal,0.5";
-const char *vmlinux_name;
static struct perf_header *header;
static u64 sample_type;
+struct symbol_conf symbol_conf;
+
static size_t
callchain__fprintf_left_margin(FILE *fp, int left_margin)
@@ -865,8 +865,7 @@
register_perf_file_handler(&file_handler);
- ret = mmap_dispatch_perf_file(&header, input_name, vmlinux_name,
- !vmlinux_name, force,
+ ret = mmap_dispatch_perf_file(&header, input_name, force,
full_paths, &cwdlen, &cwd);
if (ret)
return ret;
@@ -963,9 +962,10 @@
"be more verbose (show symbol address, etc)"),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
- OPT_STRING('k', "vmlinux", &vmlinux_name, "file", "vmlinux pathname"),
+ OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
- OPT_BOOLEAN('m', "modules", &use_modules,
+ OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
"load module symbols - WARNING: use only with -k and LIVE kernel"),
OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples,
"Show a column with the number of samples"),
@@ -1035,7 +1035,8 @@
int cmd_report(int argc, const char **argv, const char *prefix __used)
{
- symbol__init(0);
+ if (symbol__init(&symbol_conf) < 0)
+ return -1;
argc = parse_options(argc, argv, options, report_usage, 0);