perf tools: Remove unneeded code for tracking the cwd in perf sessions

Tidy-up patch to remove some code and struct perf_session data members
which are no longer needed due to the previous patch: "perf tools: Don't
abbreviate file paths relative to the cwd".

LKML-Reference: <new-submission>
Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

5 files changed, 2 insertions, 29 deletions

diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 99890728409e..44a47e13bd67 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -43,10 +43,8 @@ static int __cmd_buildid_list(void)
         if (session == NULL)
                 return -1;
 
-        if (with_hits) {
-                symbol_conf.full_paths = true;
+        if (with_hits)
                 perf_session__process_events(session, &build_id__mark_dso_hit_ops);
-        }
 
         perf_session__fprintf_dsos_buildid(session, stdout, with_hits);
 
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 39e6627ebb96..fca1d4402910 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -180,8 +180,6 @@ static const struct option options[] = {
         OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
         OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
                     "load module symbols - WARNING: use only with -k and LIVE kernel"),
-        OPT_BOOLEAN('P', "full-paths", &symbol_conf.full_paths,
-                    "Don't shorten the pathnames taking into account the cwd"),
         OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
                    "only consider symbols in these dsos"),
         OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index ce42bbaa252d..2f4b92925b26 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -441,8 +441,6 @@ static const struct option options[] = {
                    "pretty printing style key: normal raw"),
         OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
                    "sort by key(s): pid, comm, dso, symbol, parent"),
-        OPT_BOOLEAN('P', "full-paths", &symbol_conf.full_paths,
-                    "Don't shorten the pathnames taking into account the cwd"),
         OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
                     "Show sample percentage for different cpu modes"),
         OPT_STRING('p', "parent", &parent_pattern, "regex",
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 030791870e33..8cbea122e349 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -96,8 +96,6 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc
         self->hists_tree = RB_ROOT;
         self->last_match = NULL;
         self->mmap_window = 32;
-        self->cwd = NULL;
-        self->cwdlen = 0;
         self->machines = RB_ROOT;
         self->repipe = repipe;
         INIT_LIST_HEAD(&self->ordered_samples.samples_head);
@@ -130,7 +128,6 @@ void perf_session__delete(struct perf_session *self)
 {
         perf_header__exit(&self->header);
         close(self->fd);
-        free(self->cwd);
         free(self);
 }
 
@@ -832,23 +829,6 @@ int perf_session__process_events(struct perf_session *self,
         if (perf_session__register_idle_thread(self) == NULL)
                 return -ENOMEM;
 
-        if (!symbol_conf.full_paths) {
-                char bf[PATH_MAX];
-
-                if (getcwd(bf, sizeof(bf)) == NULL) {
-                        err = -errno;
-out_getcwd_err:
-                        pr_err("failed to get the current directory\n");
-                        goto out_err;
-                }
-                self->cwd = strdup(bf);
-                if (self->cwd == NULL) {
-                        err = -ENOMEM;
-                        goto out_getcwd_err;
-                }
-                self->cwdlen = strlen(self->cwd);
-        }
-
         if (!self->fd_pipe)
                 err = __perf_session__process_events(self,
                                                      self->header.data_offset,
@@ -856,7 +836,7 @@ out_getcwd_err:
                                                      self->size, ops);
         else
                 err = __perf_session__process_pipe_events(self, ops);
-out_err:
+
         return err;
 }
 
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index bb1aab9fa34f..6452a07425a2 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -68,7 +68,6 @@ struct symbol_conf {
                         show_nr_samples,
                         use_callchain,
                         exclude_other,
-                        full_paths,
                         show_cpu_utilization;
         const char      *vmlinux_name,
                         *source_prefix,