From a5bde5d8fde8a8cb28e59a672d5ddc5b9c1e7656 Mon Sep 17 00:00:00 2001 From: Breno Leitao Date: Wed, 5 Aug 2026 07:52:36 -0700 Subject: workqueue: skip the node_nr_active update for non-unbound workqueues apply_wqattrs_commit() updates node_nr_active->max unconditionally. wq->node_nr_active[] is only allocated for unbound workqueues, so guard the call before per-cpu workqueues start using this path. No functional change: only unbound workqueues reach apply_wqattrs_*() today. Signed-off-by: Breno Leitao Signed-off-by: Tejun Heo --- tools/perf/util/dsos.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 tools/perf/util/dsos.h (limited to 'tools/perf/util/dsos.h') diff --git a/tools/perf/util/dsos.h b/tools/perf/util/dsos.h new file mode 100644 index 000000000..a26774950 --- /dev/null +++ b/tools/perf/util/dsos.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_DSOS +#define __PERF_DSOS + +#include +#include +#include +#include +#include "rwsem.h" + +struct dso; +struct dso_id; +struct kmod_path; +struct machine; + +/* + * Collection of DSOs as an array for iteration speed, but sorted for O(n) + * lookup. + */ +struct dsos { + struct rw_semaphore lock; + struct dso **dsos; + unsigned int cnt; + unsigned int allocated; + bool sorted; +}; + +void dsos__init(struct dsos *dsos); +void dsos__exit(struct dsos *dsos); + +int __dsos__add(struct dsos *dsos, struct dso *dso); +int dsos__add(struct dsos *dsos, struct dso *dso); +struct dso *dsos__find(struct dsos *dsos, const char *name, bool cmp_short); + +struct dso *dsos__findnew_id(struct dsos *dsos, const char *name, const struct dso_id *id); + +bool dsos__read_build_ids(struct dsos *dsos, bool with_hits); + +size_t dsos__fprintf_buildid(struct dsos *dsos, FILE *fp, + bool (skip)(struct dso *dso, int parm), int parm); +size_t dsos__fprintf(struct dsos *dsos, FILE *fp); + +int dsos__hit_all(struct dsos *dsos); + +struct dso *dsos__findnew_module_dso(struct dsos *dsos, struct machine *machine, + struct kmod_path *m, const char *filename); + +struct dso *dsos__find_kernel_dso(struct dsos *dsos); + +int dsos__for_each_dso(struct dsos *dsos, int (*cb)(struct dso *dso, void *data), void *data); + +#endif /* __PERF_DSOS */ -- cgit v1.3.1