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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1101f69af5
Lots of places get the map.h file indirectly, and since we're going to remove it from machine.h, then those need to include it directly, do it now, before we remove that dep. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-ob8jehdjda8h5jsrv9dqj9tf@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/*
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* builtin-kallsyms.c
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*
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* Builtin command: Look for a symbol in the running kernel and its modules
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*
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* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
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*
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* Released under the GPL v2. (and only v2, not any later version)
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*/
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#include <inttypes.h>
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#include "builtin.h"
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#include <linux/compiler.h>
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#include <subcmd/parse-options.h>
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#include "debug.h"
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#include "machine.h"
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#include "map.h"
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#include "symbol.h"
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static int __cmd_kallsyms(int argc, const char **argv)
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{
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int i;
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struct machine *machine = machine__new_kallsyms();
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if (machine == NULL) {
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pr_err("Couldn't read /proc/kallsyms\n");
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return -1;
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}
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for (i = 0; i < argc; ++i) {
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struct map *map;
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struct symbol *symbol = machine__find_kernel_symbol_by_name(machine, argv[i], &map);
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if (symbol == NULL) {
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printf("%s: not found\n", argv[i]);
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continue;
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}
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printf("%s: %s %s %#" PRIx64 "-%#" PRIx64 " (%#" PRIx64 "-%#" PRIx64")\n",
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symbol->name, map->dso->short_name, map->dso->long_name,
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map->unmap_ip(map, symbol->start), map->unmap_ip(map, symbol->end),
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symbol->start, symbol->end);
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}
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machine__delete(machine);
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return 0;
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}
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int cmd_kallsyms(int argc, const char **argv)
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{
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const struct option options[] = {
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OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
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OPT_END()
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};
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const char * const kallsyms_usage[] = {
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"perf kallsyms [<options>] symbol_name",
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NULL
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};
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argc = parse_options(argc, argv, options, kallsyms_usage, 0);
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if (argc < 1)
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usage_with_options(kallsyms_usage, options);
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symbol_conf.sort_by_name = true;
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symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
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if (symbol__init(NULL) < 0)
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return -1;
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return __cmd_kallsyms(argc, argv);
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}
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