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-rw-r--r--tools/perf/ui/hist.c4
-rw-r--r--tools/perf/util/sort.c24
-rw-r--r--tools/perf/util/sort.h1
3 files changed, 22 insertions, 7 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 75eb6ac..2af1837 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -452,7 +452,7 @@ void perf_hpp__init(void)
/*
* If user specified field order, no need to setup default fields.
*/
- if (field_order)
+ if (is_strict_order(field_order))
return;
if (symbol_conf.cumulate_callchain) {
@@ -519,7 +519,7 @@ void perf_hpp__column_disable(unsigned col)
void perf_hpp__cancel_cumulate(void)
{
- if (field_order)
+ if (is_strict_order(field_order))
return;
perf_hpp__column_disable(PERF_HPP__OVERHEAD_ACC);
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index b4a805e..1958637 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1453,7 +1453,7 @@ static int __setup_sorting(void)
int ret = 0;
if (sort_keys == NULL) {
- if (field_order) {
+ if (is_strict_order(field_order)) {
/*
* If user specified field order but no sort order,
* we'll honor it and not add default sort orders.
@@ -1639,23 +1639,36 @@ static void reset_dimensions(void)
memory_sort_dimensions[i].taken = 0;
}
+bool is_strict_order(const char *order)
+{
+ return order && (*order != '+');
+}
+
static int __setup_output_field(void)
{
- char *tmp, *tok, *str;
- int ret = 0;
+ char *tmp, *tok, *str, *strp;
+ int ret = -EINVAL;
if (field_order == NULL)
return 0;
reset_dimensions();
- str = strdup(field_order);
+ strp = str = strdup(field_order);
if (str == NULL) {
error("Not enough memory to setup output fields");
return -ENOMEM;
}
- for (tok = strtok_r(str, ", ", &tmp);
+ if (!is_strict_order(field_order))
+ strp++;
+
+ if (!strlen(strp)) {
+ error("Invalid --fields key: `+'");
+ goto out;
+ }
+
+ for (tok = strtok_r(strp, ", ", &tmp);
tok; tok = strtok_r(NULL, ", ", &tmp)) {
ret = output_field_add(tok);
if (ret == -EINVAL) {
@@ -1667,6 +1680,7 @@ static int __setup_output_field(void)
}
}
+out:
free(str);
return ret;
}
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 041f0c9..c03e4ff 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -218,4 +218,5 @@ void perf_hpp__set_elide(int idx, bool elide);
int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
+bool is_strict_order(const char *order);
#endif /* __PERF_SORT_H */
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