s390/cpuinfo: add system topology information (fb835102) · Commits · 戴 / test

arch/s390/kernel/processor.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -151,6 +151,26 @@ static void show_cpu_summary(struct seq_file m, void v)
		}
		}

		static void show_cpu_topology(struct seq_file *m, unsigned long n)
		{
		#ifdef CONFIG_SCHED_TOPOLOGY
		seq_printf(m, "physical id : %d\n", topology_physical_package_id(n));
		seq_printf(m, "core id : %d\n", topology_core_id(n));
		seq_printf(m, "book id : %d\n", topology_book_id(n));
		seq_printf(m, "drawer id : %d\n", topology_drawer_id(n));
		seq_printf(m, "dedicated : %d\n", topology_cpu_dedicated(n));
		#endif /* CONFIG_SCHED_TOPOLOGY */
		}

		static void show_cpu_ids(struct seq_file *m, unsigned long n)
		{
		struct cpuid *id = &per_cpu(cpu_info.cpu_id, n);

		seq_printf(m, "version : %02X\n", id->version);
		seq_printf(m, "identification : %06X\n", id->ident);
		seq_printf(m, "machine : %04X\n", id->machine);
		}

		static void show_cpu_mhz(struct seq_file *m, unsigned long n)
		{
		struct cpu_info *c = per_cpu_ptr(&cpu_info, n);
		@@ -171,6 +191,8 @@ static int show_cpuinfo(struct seq_file m, void v)
		if (!machine_has_cpu_mhz)
		return 0;
		seq_printf(m, "\ncpu number : %ld\n", n);
		show_cpu_topology(m, n);
		show_cpu_ids(m, n);
		show_cpu_mhz(m, n);
		return 0;
		}