perf buildid-cache: Remove unneeded debugdir parameters

Functions related to buildid-cache subcommand use debugdir parameters
for passing buildid cache directory path. However all callers just pass
buildid_dir global variable. Moreover, other functions which refer
buildid cache use buildid_dir directly.

This removes unneeded debugdir parameters from those functions and use
buildid_dir if needed.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20150210091851.19264.72741.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 38 insertions, 47 deletions

diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 50e6b66aea1f..d929d9544664 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -125,8 +125,7 @@ static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir,
         return ret;
 }
 
-static int build_id_cache__add_kcore(const char *filename, const char *debugdir,
-                                     bool force)
+static int build_id_cache__add_kcore(const char *filename, bool force)
 {
         char dir[32], sbuildid[BUILD_ID_SIZE * 2 + 1];
         char from_dir[PATH_MAX], to_dir[PATH_MAX];
@@ -143,7 +142,7 @@ static int build_id_cache__add_kcore(const char *filename, const char *debugdir,
                 return -1;
 
         scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s",
-                  debugdir, sbuildid);
+                  buildid_dir, sbuildid);
 
         if (!force &&
             !build_id_cache__kcore_existing(from_dir, to_dir, sizeof(to_dir))) {
@@ -155,7 +154,7 @@ static int build_id_cache__add_kcore(const char *filename, const char *debugdir,
                 return -1;
 
         scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s/%s",
-                  debugdir, sbuildid, dir);
+                  buildid_dir, sbuildid, dir);
 
         if (mkdir_p(to_dir, 0755))
                 return -1;
@@ -183,7 +182,7 @@ static int build_id_cache__add_kcore(const char *filename, const char *debugdir,
         return 0;
 }
 
-static int build_id_cache__add_file(const char *filename, const char *debugdir)
+static int build_id_cache__add_file(const char *filename)
 {
         char sbuild_id[BUILD_ID_SIZE * 2 + 1];
         u8 build_id[BUILD_ID_SIZE];
@@ -195,7 +194,7 @@ static int build_id_cache__add_file(const char *filename, const char *debugdir)
         }
 
         build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
-        err = build_id_cache__add_s(sbuild_id, debugdir, filename,
+        err = build_id_cache__add_s(sbuild_id, filename,
                                     false, false);
         if (verbose)
                 pr_info("Adding %s %s: %s\n", sbuild_id, filename,
@@ -203,8 +202,7 @@ static int build_id_cache__add_file(const char *filename, const char *debugdir)
         return err;
 }
 
-static int build_id_cache__remove_file(const char *filename,
-                                       const char *debugdir)
+static int build_id_cache__remove_file(const char *filename)
 {
         u8 build_id[BUILD_ID_SIZE];
         char sbuild_id[BUILD_ID_SIZE * 2 + 1];
@@ -217,7 +215,7 @@ static int build_id_cache__remove_file(const char *filename,
         }
 
         build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
-        err = build_id_cache__remove_s(sbuild_id, debugdir);
+        err = build_id_cache__remove_s(sbuild_id);
         if (verbose)
                 pr_info("Removing %s %s: %s\n", sbuild_id, filename,
                         err ? "FAIL" : "Ok");
@@ -252,8 +250,7 @@ static int build_id_cache__fprintf_missing(struct perf_session *session, FILE *f
         return 0;
 }
 
-static int build_id_cache__update_file(const char *filename,
-                                       const char *debugdir)
+static int build_id_cache__update_file(const char *filename)
 {
         u8 build_id[BUILD_ID_SIZE];
         char sbuild_id[BUILD_ID_SIZE * 2 + 1];
@@ -266,11 +263,10 @@ static int build_id_cache__update_file(const char *filename,
         }
 
         build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
-        err = build_id_cache__remove_s(sbuild_id, debugdir);
-        if (!err) {
-                err = build_id_cache__add_s(sbuild_id, debugdir, filename,
-                                            false, false);
-        }
+        err = build_id_cache__remove_s(sbuild_id);
+        if (!err)
+                err = build_id_cache__add_s(sbuild_id, filename, false, false);
+
         if (verbose)
                 pr_info("Updating %s %s: %s\n", sbuild_id, filename,
                         err ? "FAIL" : "Ok");
@@ -338,7 +334,7 @@ int cmd_buildid_cache(int argc, const char **argv,
                 list = strlist__new(true, add_name_list_str);
                 if (list) {
                         strlist__for_each(pos, list)
-                                if (build_id_cache__add_file(pos->s, buildid_dir)) {
+                                if (build_id_cache__add_file(pos->s)) {
                                         if (errno == EEXIST) {
                                                 pr_debug("%s already in the cache\n",
                                                          pos->s);
@@ -356,7 +352,7 @@ int cmd_buildid_cache(int argc, const char **argv,
                 list = strlist__new(true, remove_name_list_str);
                 if (list) {
                         strlist__for_each(pos, list)
-                                if (build_id_cache__remove_file(pos->s, buildid_dir)) {
+                                if (build_id_cache__remove_file(pos->s)) {
                                         if (errno == ENOENT) {
                                                 pr_debug("%s wasn't in the cache\n",
                                                          pos->s);
@@ -377,7 +373,7 @@ int cmd_buildid_cache(int argc, const char **argv,
                 list = strlist__new(true, update_name_list_str);
                 if (list) {
                         strlist__for_each(pos, list)
-                                if (build_id_cache__update_file(pos->s, buildid_dir)) {
+                                if (build_id_cache__update_file(pos->s)) {
                                         if (errno == ENOENT) {
                                                 pr_debug("%s wasn't in the cache\n",
                                                          pos->s);
@@ -391,8 +387,7 @@ int cmd_buildid_cache(int argc, const char **argv,
                 }
         }
 
-        if (kcore_filename &&
-            build_id_cache__add_kcore(kcore_filename, buildid_dir, force))
+        if (kcore_filename && build_id_cache__add_kcore(kcore_filename, force))
                 pr_warning("Couldn't add %s\n", kcore_filename);
 
 out:
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 0c72680a977f..9f764f633e57 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -259,8 +259,8 @@ void disable_buildid_cache(void)
         no_buildid_cache = true;
 }
 
-int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
-                          const char *name, bool is_kallsyms, bool is_vdso)
+int build_id_cache__add_s(const char *sbuild_id, const char *name,
+                          bool is_kallsyms, bool is_vdso)
 {
         const size_t size = PATH_MAX;
         char *realname, *filename = zalloc(size),
@@ -282,7 +282,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
                 goto out_free;
 
         len = scnprintf(filename, size, "%s%s%s",
-                       debugdir, slash ? "/" : "",
+                       buildid_dir, slash ? "/" : "",
                        is_vdso ? DSO__NAME_VDSO : realname);
         if (mkdir_p(filename, 0755))
                 goto out_free;
@@ -298,13 +298,13 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
         }
 
         len = scnprintf(linkname, size, "%s/.build-id/%.2s",
-                       debugdir, sbuild_id);
+                        buildid_dir, sbuild_id);
 
         if (access(linkname, X_OK) && mkdir_p(linkname, 0755))
                 goto out_free;
 
         snprintf(linkname + len, size - len, "/%s", sbuild_id + 2);
-        targetname = filename + strlen(debugdir) - 5;
+        targetname = filename + strlen(buildid_dir) - 5;
         memcpy(targetname, "../..", 5);
 
         if (symlink(targetname, linkname) == 0)
@@ -318,18 +318,17 @@ out_free:
 }
 
 static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
-                                 const char *name, const char *debugdir,
-                                 bool is_kallsyms, bool is_vdso)
+                                 const char *name, bool is_kallsyms,
+                                 bool is_vdso)
 {
         char sbuild_id[BUILD_ID_SIZE * 2 + 1];
 
         build_id__sprintf(build_id, build_id_size, sbuild_id);
 
-        return build_id_cache__add_s(sbuild_id, debugdir, name,
-                                     is_kallsyms, is_vdso);
+        return build_id_cache__add_s(sbuild_id, name, is_kallsyms, is_vdso);
 }
 
-int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
+int build_id_cache__remove_s(const char *sbuild_id)
 {
         const size_t size = PATH_MAX;
         char *filename = zalloc(size),
@@ -340,7 +339,7 @@ int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
                 goto out_free;
 
         snprintf(linkname, size, "%s/.build-id/%.2s/%s",
-                 debugdir, sbuild_id, sbuild_id + 2);
+                 buildid_dir, sbuild_id, sbuild_id + 2);
 
         if (access(linkname, F_OK))
                 goto out_free;
@@ -355,7 +354,7 @@ int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
          * Since the link is relative, we must make it absolute:
          */
         snprintf(linkname, size, "%s/.build-id/%.2s/%s",
-                 debugdir, sbuild_id, filename);
+                 buildid_dir, sbuild_id, filename);
 
         if (unlink(linkname))
                 goto out_free;
@@ -367,8 +366,7 @@ out_free:
         return err;
 }
 
-static int dso__cache_build_id(struct dso *dso, struct machine *machine,
-                               const char *debugdir)
+static int dso__cache_build_id(struct dso *dso, struct machine *machine)
 {
         bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
         bool is_vdso = dso__is_vdso(dso);
@@ -381,28 +379,26 @@ static int dso__cache_build_id(struct dso *dso, struct machine *machine,
                 name = nm;
         }
         return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id), name,
-                                     debugdir, is_kallsyms, is_vdso);
+                                     is_kallsyms, is_vdso);
 }
 
 static int __dsos__cache_build_ids(struct list_head *head,
-                                   struct machine *machine, const char *debugdir)
+                                   struct machine *machine)
 {
         struct dso *pos;
         int err = 0;
 
         dsos__for_each_with_build_id(pos, head)
-                if (dso__cache_build_id(pos, machine, debugdir))
+                if (dso__cache_build_id(pos, machine))
                         err = -1;
 
         return err;
 }
 
-static int machine__cache_build_ids(struct machine *machine, const char *debugdir)
+static int machine__cache_build_ids(struct machine *machine)
 {
-        int ret = __dsos__cache_build_ids(&machine->kernel_dsos.head, machine,
-                                          debugdir);
-        ret |= __dsos__cache_build_ids(&machine->user_dsos.head, machine,
-                                       debugdir);
+        int ret = __dsos__cache_build_ids(&machine->kernel_dsos.head, machine);
+        ret |= __dsos__cache_build_ids(&machine->user_dsos.head, machine);
         return ret;
 }
 
@@ -417,11 +413,11 @@ int perf_session__cache_build_ids(struct perf_session *session)
         if (mkdir(buildid_dir, 0755) != 0 && errno != EEXIST)
                 return -1;
 
-        ret = machine__cache_build_ids(&session->machines.host, buildid_dir);
+        ret = machine__cache_build_ids(&session->machines.host);
 
         for (nd = rb_first(&session->machines.guests); nd; nd = rb_next(nd)) {
                 struct machine *pos = rb_entry(nd, struct machine, rb_node);
-                ret |= machine__cache_build_ids(pos, buildid_dir);
+                ret |= machine__cache_build_ids(pos);
         }
         return ret ? -1 : 0;
 }
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index 8236319514d5..31b3c6332a1a 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -22,9 +22,9 @@ bool perf_session__read_build_ids(struct perf_session *session, bool with_hits);
 int perf_session__write_buildid_table(struct perf_session *session, int fd);
 int perf_session__cache_build_ids(struct perf_session *session);
 
-int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
+int build_id_cache__add_s(const char *sbuild_id,
                           const char *name, bool is_kallsyms, bool is_vdso);
-int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
+int build_id_cache__remove_s(const char *sbuild_id);
 void disable_buildid_cache(void);
 
 #endif