mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-19 02:34:01 +08:00
fd20e8111c
Needed to use the PRI[xu](32,64) formatting macros. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-wkbho8kaw24q67dd11q0j39f@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
|
|
* builtin-kallsyms.c
|
|
*
|
|
* Builtin command: Look for a symbol in the running kernel and its modules
|
|
*
|
|
* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
*
|
|
* Released under the GPL v2. (and only v2, not any later version)
|
|
*/
|
|
#include <inttypes.h>
|
|
#include "builtin.h"
|
|
#include <linux/compiler.h>
|
|
#include <subcmd/parse-options.h>
|
|
#include "debug.h"
|
|
#include "machine.h"
|
|
#include "symbol.h"
|
|
|
|
static int __cmd_kallsyms(int argc, const char **argv)
|
|
{
|
|
int i;
|
|
struct machine *machine = machine__new_kallsyms();
|
|
|
|
if (machine == NULL) {
|
|
pr_err("Couldn't read /proc/kallsyms\n");
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < argc; ++i) {
|
|
struct map *map;
|
|
struct symbol *symbol = machine__find_kernel_function_by_name(machine, argv[i], &map);
|
|
|
|
if (symbol == NULL) {
|
|
printf("%s: not found\n", argv[i]);
|
|
continue;
|
|
}
|
|
|
|
printf("%s: %s %s %#" PRIx64 "-%#" PRIx64 " (%#" PRIx64 "-%#" PRIx64")\n",
|
|
symbol->name, map->dso->short_name, map->dso->long_name,
|
|
map->unmap_ip(map, symbol->start), map->unmap_ip(map, symbol->end),
|
|
symbol->start, symbol->end);
|
|
}
|
|
|
|
machine__delete(machine);
|
|
return 0;
|
|
}
|
|
|
|
int cmd_kallsyms(int argc, const char **argv)
|
|
{
|
|
const struct option options[] = {
|
|
OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
|
|
OPT_END()
|
|
};
|
|
const char * const kallsyms_usage[] = {
|
|
"perf kallsyms [<options>] symbol_name",
|
|
NULL
|
|
};
|
|
|
|
argc = parse_options(argc, argv, options, kallsyms_usage, 0);
|
|
if (argc < 1)
|
|
usage_with_options(kallsyms_usage, options);
|
|
|
|
symbol_conf.sort_by_name = true;
|
|
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
|
|
if (symbol__init(NULL) < 0)
|
|
return -1;
|
|
|
|
return __cmd_kallsyms(argc, argv);
|
|
}
|