summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/smt.h
blob: 01441fd2c0a2f307d3ce3a80eca9b6cfb17678df (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SMT_H
#define __SMT_H 1

/*
 * Returns true if SMT (aka hyperthreading) is enabled. Determined via sysfs or
 * the online topology.
 */
bool smt_on(void);

/*
 * Returns true when system wide and all SMT threads for a core are in the
 * user_requested_cpus map.
 */
bool core_wide(bool system_wide, const char *user_requested_cpu_list);

#endif /* __SMT_H */