perf report: Clean up the default output

 - extra space between columns
 - left-aligned the symbol column
 - moved the no-symbols printout to -v
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Documentation/perf_counter/builtin-report.c

@@ -84,7 +84,9 @@ static struct dso *dsos__findnew(const char *name)
 	struct dso *dso = dsos__find(name);
 	int nr;
 
-	if (dso == NULL) {
+	if (dso)
+		return dso;
+
 	dso = dso__new(name, 0);
 	if (!dso)
 		goto out_delete_dso;
@@ -94,14 +96,13 @@ static struct dso *dsos__findnew(const char *name)
 		fprintf(stderr, "Failed to open: %s\n", name);
 		goto out_delete_dso;
 	}
-		if (!nr) {
+	if (!nr && verbose) {
 		fprintf(stderr,
-		"Failed to find debug symbols for: %s, maybe install a debug package?\n",
+		"No symbols found in: %s, maybe install a debug package?\n",
 				name);
 	}
 
 	dsos__add(dso);
-	}
 
 	return dso;
 
@@ -362,7 +363,7 @@ sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
 static size_t
 sort__dso_print(FILE *fp, struct hist_entry *self)
 {
-	return fprintf(fp, " %64s", self->dso ? self->dso->name : "<unknown>");
+	return fprintf(fp, "  %s", self->dso ? self->dso->name : "<unknown>");
 }
 
 static struct sort_entry sort_dso = {
@@ -401,7 +402,7 @@ sort__sym_print(FILE *fp, struct hist_entry *self)
 }
 
 static struct sort_entry sort_sym = {
-	.header = "Shared Object: Symbol",
+	.header = " Shared Object: Symbol",
 	.cmp	= sort__sym_cmp,
 	.print	= sort__sym_print,
 };
@@ -596,7 +597,7 @@ static size_t output__fprintf(FILE *fp, uint64_t total_samples)
 		int i;
 
 		fprintf(fp, "  ");
-		for (i = 0; i < strlen(se->header); i++)
+		for (i = 0; i < strlen(se->header)-1; i++)
 			fprintf(fp, ".");
 	}
 	fprintf(fp, "\n");