xref: /openbmc/linux/tools/perf/util/smt.h (revision 0545810f)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SMT_H
3 #define __SMT_H 1
4 
5 /*
6  * Returns true if SMT (aka hyperthreading) is enabled. Determined via sysfs or
7  * the online topology.
8  */
9 bool smt_on(void);
10 
11 /*
12  * Returns true when system wide and all SMT threads for a core are in the
13  * user_requested_cpus map.
14  */
15 bool core_wide(bool system_wide, const char *user_requested_cpu_list);
16 
17 #endif /* __SMT_H */
18