perf machine: Shorten machine__load_kallsyms() signature

tip:perf/core tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message May 2, 2018 perf events

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2018-05-02 17:49 UTC #0 lore raw

Commit-ID:  329f0adef39aedb8ac4be279c3394f32b53b1a88
Gitweb:     https://git.kernel.org/tip/329f0adef39aedb8ac4be279c3394f32b53b1a88
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Wed, 25 Apr 2018 11:40:32 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Thu, 26 Apr 2018 13:47:10 -0300

perf machine: Shorten machine__load_kallsyms() signature

So far the only use is for MAP__FUNCTION, and since we're going to remove that split, remove the map_type argument in machine__load_kallsyms().

Cc Adrian Hunter <[email protected]>

Cc David Ahern <[email protected]>

Cc Jiri Olsa <[email protected]>

Cc Namhyung Kim <[email protected]>

Cc Wang Nan <[email protected]>

Link https://lkml.kernel.org/n/[email protected] open here

Signed-off-by Arnaldo Carvalho de Melo <[email protected]>

---
 tools/perf/tests/vmlinux-kallsyms.c |  2 +-
 tools/perf/util/machine.c           |  8 +++-----
 tools/perf/util/machine.h           | 10 ++++++++--
 3 files changed, 12 insertions(+), 8 deletions(-)

tools/perf/tests/vmlinux-kallsyms.c +1 -1

index 9bb84fe365e2..b99e60593664 100644
@@ -56,7 +56,7 @@ int test__vmlinux_matches_kallsyms(struct test *test __maybe_unused, int subtest
 	 * be compacted against the list of modules found in the "vmlinux"
 	 * code and with the one got from /proc/modules from the "kallsyms" code.
 	 */
-	if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms", type) <= 0) {
+	if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms") <= 0) {
 		pr_debug("dso__load_kallsyms ");
 		goto out;
 	}

tools/perf/util/machine.c +3 -5

index fc71f2c69c8b..d39432c7db86 100644
@@ -137,13 +137,11 @@ struct machine *machine__new_kallsyms(void)
 	struct machine *machine = machine__new_host();
 	/*
 	 * FIXME:
-	 * 1) MAP__FUNCTION will go away when we stop loading separate maps for
-	 *    functions and data objects.
-	 * 2) We should switch to machine__load_kallsyms(), i.e. not explicitely
+	 * 1) We should switch to machine__load_kallsyms(), i.e. not explicitely
 	 *    ask for not using the kcore parsing code, once this one is fixed
 	 *    to create a map per module.
 	 */
-	if (machine && machine__load_kallsyms(machine, "/proc/kallsyms", MAP__FUNCTION) <= 0) {
+	if (machine && machine__load_kallsyms(machine, "/proc/kallsyms") <= 0) {
 		machine__delete(machine);
 		machine = NULL;
 	}

@@ -988,7 +986,7 @@ int machines__create_kernel_maps(struct machines *machines, pid_t pid)
 	return machine__create_kernel_maps(machine);
 }
 
-int machine__load_kallsyms(struct machine *machine, const char *filename,
+int __machine__load_kallsyms(struct machine *machine, const char *filename,
 			     enum map_type type)
 {
 	struct map *map = machine__kernel_map(machine);

tools/perf/util/machine.h +8 -2

index 92303ac718a6..dc95404959ee 100644
@@ -237,8 +237,14 @@ struct map *machine__findnew_module_map(struct machine *machine, u64 start,
 					const char *filename);
 int arch__fix_module_text_start(u64 *start, const char *name);
 
-int machine__load_kallsyms(struct machine *machine, const char *filename,
-			   enum map_type type);
+int __machine__load_kallsyms(struct machine *machine, const char *filename,
+			     enum map_type type);
+
+static inline int machine__load_kallsyms(struct machine *machine, const char *filename)
+{
+	return __machine__load_kallsyms(machine, filename, MAP__FUNCTION);
+}
+
 int machine__load_vmlinux_path(struct machine *machine, enum map_type type);
 
 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,