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Commit b6220212 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf top: Remove old kernel-only symbol filter 

Not needed, we already have code to prune aliases.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-1ysyce7qjgui93gi1efbjwhf@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 608c34de

tools/perf/builtin-top.c

+0 −27
Original line number Diff line number Diff line
@@ -657,31 +657,6 @@ static void *display_thread(void *arg) 
	return NULL;

}



static int symbol_filter(struct map *map, struct symbol *sym)

{

	const char *name = sym->name;



	if (!__map__is_kernel(map))

		return 0;

	/*

	 * ppc64 uses function descriptors and appends a '.' to the

	 * start of every instruction address. Remove it.

	 */

	if (name[0] == '.')

		name++;



	if (!strcmp(name, "_text") ||

	    !strcmp(name, "_etext") ||

	    !strcmp(name, "_sinittext") ||

	    !strncmp("init_module", name, 11) ||

	    !strncmp("cleanup_module", name, 14) ||

	    strstr(name, "_text_start") ||

	    strstr(name, "_text_end"))

		return 1;



	return 0;

}



static int hist_iter__top_callback(struct hist_entry_iter *iter,

				   struct addr_location *al, bool single,

				   void *arg)
@@ -946,8 +921,6 @@ static int __cmd_top(struct perf_top *top) 
	if (top->session == NULL)

		return -1;



	machines__set_symbol_filter(&top->session->machines, symbol_filter);



	if (!objdump_path) {

		ret = perf_env__lookup_objdump(&top->session->header.env);

		if (ret)