/* * show_cpuinfo - Get information on one CPU for use by procfs. */ static int show_cpuinfo(struct seq_file *m, void *v) { static const char *hwcap_str[] = { "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp", "edat", "etf3eh", "highgprs", "te", "vx" }; unsigned long n = (unsigned long) v - 1; int i; if (!n) { s390_adjust_jiffies(); seq_printf(m, "vendor_id : IBM/S390\n" "# processors : %i\n" "bogomips per cpu: %lu.%02lu\n", num_online_cpus(), loops_per_jiffy/(500000/HZ), (loops_per_jiffy/(5000/HZ))%100); seq_puts(m, "features\t: "); for (i = 0; i < ARRAY_SIZE(hwcap_str); i++) if (hwcap_str[i] && (elf_hwcap & (1UL << i))) seq_printf(m, "%s ", hwcap_str[i]); seq_puts(m, "\n"); show_cacheinfo(m); } get_online_cpus(); if (cpu_online(n)) { struct cpuid *id = &per_cpu(cpu_id, n); seq_printf(m, "processor %li: " "version = %02X, " "identification = %06X, " "machine = %04X\n", n, id->version, id->ident, id->machine); } put_online_cpus(); return 0; }
static int show_cpuinfo(struct seq_file *m, void *v) { struct cpuinfo_S390 *cpuinfo; unsigned long n = (unsigned long) v - 1; s390_adjust_jiffies(); preempt_disable(); if (!n) { seq_printf(m, "vendor_id : IBM/S390\n" "# processors : %i\n" "bogomips per cpu: %lu.%02lu\n", num_online_cpus(), loops_per_jiffy/(500000/HZ), (loops_per_jiffy/(5000/HZ))%100); } if (cpu_online(n)) { #ifdef CONFIG_SMP if (smp_processor_id() == n) cpuinfo = &S390_lowcore.cpu_data; else cpuinfo = &lowcore_ptr[n]->cpu_data; #else cpuinfo = &S390_lowcore.cpu_data; #endif seq_printf(m, "processor %li: " "version = %02X, " "identification = %06X, " "machine = %04X\n", n, cpuinfo->cpu_id.version, cpuinfo->cpu_id.ident, cpuinfo->cpu_id.machine); } preempt_enable(); return 0; }
static int show_cpuinfo(struct seq_file *m, void *v) { static const char *hwcap_str[8] = { "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp", "edat" }; struct cpuinfo_S390 *cpuinfo; unsigned long n = (unsigned long) v - 1; int i; s390_adjust_jiffies(); preempt_disable(); if (!n) { seq_printf(m, "vendor_id : IBM/S390\n" "# processors : %i\n" "bogomips per cpu: %lu.%02lu\n", num_online_cpus(), loops_per_jiffy/(500000/HZ), (loops_per_jiffy/(5000/HZ))%100); seq_puts(m, "features\t: "); for (i = 0; i < 8; i++) if (hwcap_str[i] && (elf_hwcap & (1UL << i))) seq_printf(m, "%s ", hwcap_str[i]); seq_puts(m, "\n"); } if (cpu_online(n)) { #ifdef CONFIG_SMP if (smp_processor_id() == n) cpuinfo = &S390_lowcore.cpu_data; else cpuinfo = &lowcore_ptr[n]->cpu_data; #else cpuinfo = &S390_lowcore.cpu_data; #endif seq_printf(m, "processor %li: " "version = %02X, " "identification = %06X, " "machine = %04X\n", n, cpuinfo->cpu_id.version, cpuinfo->cpu_id.ident, cpuinfo->cpu_id.machine); } preempt_enable(); return 0; }
void s390_update_cpu_mhz(void) { s390_adjust_jiffies(); if (machine_has_cpu_mhz) on_each_cpu(update_cpu_mhz, NULL, 0); }