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Subject[PATCH 12/26] perf tools: Separate sort fields parsing into setup_sort_list function
Date
Separating sort fields parsing into setup_sort_list
function, so it's separated from sort_order string
setup and could be reused later in following patches.

Link: http://lkml.kernel.org/n/tip-9h0ujdlvbx73llz3c7vo8j75@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/sort.c | 34 ++++++++++++++++++++++------------
1 file changed, 22 insertions(+), 12 deletions(-)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index a7eed4485afc..844c97f51198 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2238,6 +2238,26 @@ static int sort_dimension__add(const char *tok,
return -ESRCH;
}

+static int setup_sort_list(char *str, struct perf_evlist *evlist)
+{
+ char *tmp, *tok;
+ int ret = 0;
+
+ for (tok = strtok_r(str, ", ", &tmp);
+ tok; tok = strtok_r(NULL, ", ", &tmp)) {
+ ret = sort_dimension__add(tok, evlist);
+ if (ret == -EINVAL) {
+ error("Invalid --sort key: `%s'", tok);
+ break;
+ } else if (ret == -ESRCH) {
+ error("Unknown --sort key: `%s'", tok);
+ break;
+ }
+ }
+
+ return ret;
+}
+
static const char *get_default_sort_order(struct perf_evlist *evlist)
{
const char *default_sort_orders[] = {
@@ -2332,7 +2352,7 @@ static char *setup_overhead(char *keys)

static int __setup_sorting(struct perf_evlist *evlist)
{
- char *tmp, *tok, *str;
+ char *str;
const char *sort_keys;
int ret = 0;

@@ -2370,17 +2390,7 @@ static int __setup_sorting(struct perf_evlist *evlist)
}
}

- for (tok = strtok_r(str, ", ", &tmp);
- tok; tok = strtok_r(NULL, ", ", &tmp)) {
- ret = sort_dimension__add(tok, evlist);
- if (ret == -EINVAL) {
- error("Invalid --sort key: `%s'", tok);
- break;
- } else if (ret == -ESRCH) {
- error("Unknown --sort key: `%s'", tok);
- break;
- }
- }
+ ret = setup_sort_list(str, evlist);

free(str);
return ret;
--
2.4.3

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