perf kwork: Add `root` parameter to work_sort()

Add a `struct rb_root_cached *root` parameter to work_sort() to sort the
specified rb tree elements.

No functional change.

Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Link: https://lore.kernel.org/r/20230812084917.169338-9-yangjihong1@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c
index 4e2b9103b9e022e4ab4bb47db1cb832e84930c26..7d93951c2ed272d694e07dc33841ecf58a72ba7b 100644 (file)
--- a/tools/perf/builtin-kwork.c
+++ b/tools/perf/builtin-kwork.c
@@ -1378,11 +1378,11 @@ static void print_bad_events(struct perf_kwork *kwork)
        }
 }
 
-static void work_sort(struct perf_kwork *kwork, struct kwork_class *class)
+static void work_sort(struct perf_kwork *kwork,
+                     struct kwork_class *class, struct rb_root_cached *root)
 {
        struct rb_node *node;
        struct kwork_work *data;
-       struct rb_root_cached *root = &class->work_root;
 
        pr_debug("Sorting %s ...\n", class->name);
        for (;;) {
@@ -1402,7 +1402,7 @@ static void perf_kwork__sort(struct perf_kwork *kwork)
        struct kwork_class *class;
 
        list_for_each_entry(class, &kwork->class_list, list)
-               work_sort(kwork, class);
+               work_sort(kwork, class, &class->work_root);
 }
 
 static int perf_kwork__check_config(struct perf_kwork *kwork,