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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /tools/perf/util/cputopo.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/cputopo.h')
-rw-r--r-- | tools/perf/util/cputopo.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/tools/perf/util/cputopo.h b/tools/perf/util/cputopo.h new file mode 100644 index 000000000..969e5920a --- /dev/null +++ b/tools/perf/util/cputopo.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_CPUTOPO_H +#define __PERF_CPUTOPO_H + +#include <linux/types.h> + +struct cpu_topology { + /* The number of unique package_cpus_lists below. */ + u32 package_cpus_lists; + /* The number of unique die_cpu_lists below. */ + u32 die_cpus_lists; + /* The number of unique core_cpu_lists below. */ + u32 core_cpus_lists; + /* + * An array of strings where each string is unique and read from + * /sys/devices/system/cpu/cpuX/topology/package_cpus_list. From the ABI + * each of these is a human-readable list of CPUs sharing the same + * physical_package_id. The format is like 0-3, 8-11, 14,17. + */ + const char **package_cpus_list; + /* + * An array of string where each string is unique and from + * /sys/devices/system/cpu/cpuX/topology/die_cpus_list. From the ABI + * each of these is a human-readable list of CPUs within the same die. + * The format is like 0-3, 8-11, 14,17. + */ + const char **die_cpus_list; + /* + * An array of string where each string is unique and from + * /sys/devices/system/cpu/cpuX/topology/core_cpus_list. From the ABI + * each of these is a human-readable list of CPUs within the same + * core. The format is like 0-3, 8-11, 14,17. + */ + const char **core_cpus_list; +}; + +struct numa_topology_node { + char *cpus; + u32 node; + u64 mem_total; + u64 mem_free; +}; + +struct numa_topology { + u32 nr; + struct numa_topology_node nodes[]; +}; + +struct hybrid_topology_node { + char *pmu_name; + char *cpus; +}; + +struct hybrid_topology { + u32 nr; + struct hybrid_topology_node nodes[]; +}; + +struct cpu_topology *cpu_topology__new(void); +void cpu_topology__delete(struct cpu_topology *tp); +/* Determine from the core list whether SMT was enabled. */ +bool cpu_topology__smt_on(const struct cpu_topology *topology); +/* Are the sets of SMT siblings all enabled or all disabled in user_requested_cpus. */ +bool cpu_topology__core_wide(const struct cpu_topology *topology, + const char *user_requested_cpu_list); + +struct numa_topology *numa_topology__new(void); +void numa_topology__delete(struct numa_topology *tp); + +struct hybrid_topology *hybrid_topology__new(void); +void hybrid_topology__delete(struct hybrid_topology *tp); + +#endif /* __PERF_CPUTOPO_H */ |