#include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef arch_irq_stat_cpu #define arch_irq_stat_cpu(cpu) 0 #endif #ifndef arch_irq_stat #define arch_irq_stat() 0 #endif #ifdef arch_idle_time static cputime64_t get_idle_time(int cpu) { cputime64_t idle; idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE]; if (cpu_online(cpu) && !nr_iowait_cpu(cpu)) idle += arch_idle_time(cpu); return idle; } static cputime64_t get_iowait_time(int cpu) { cputime64_t iowait; iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT]; if (cpu_online(cpu) && nr_iowait_cpu(cpu)) iowait += arch_idle_time(cpu); return iowait; } #else static u64 get_idle_time(int cpu) { u64 idle, idle_time = -1ULL; if (cpu_online(cpu)) idle_time = get_cpu_idle_time_us(cpu, NULL); if (idle_time == -1ULL) /* !NO_HZ or cpu offline so we can rely on cpustat.idle */ idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE]; else idle = usecs_to_cputime64(idle_time); return idle; } static u64 get_iowait_time(int cpu) { u64 iowait, iowait_time = -1ULL; if (cpu_online(cpu)) iowait_time = get_cpu_iowait_time_us(cpu, NULL); if (iowait_time == -1ULL) /* !NO_HZ or cpu offline so we can rely on cpustat.iowait */ iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT]; else iowait = usecs_to_cputime64(iowait_time); return iowait; } #endif static int show_stat(struct seq_file *p, void *v) { int i, j; u64 user, nice, system, idle, iowait, irq, softirq, steal; u64 guest, guest_nice; u64 sum = 0; u64 sum_softirq = 0; unsigned int per_softirq_sums[NR_SOFTIRQS] = {0}; struct timespec64 boottime; user = nice = system = idle = iowait = irq = softirq = steal = 0; guest = guest_nice = 0; getboottime64(&boottime); for_each_possible_cpu(i) { user += kcpustat_cpu(i).cpustat[CPUTIME_USER]; nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE]; system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]; idle += get_idle_time(i); iowait += get_iowait_time(i); irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; sum += kstat_cpu_irqs_sum(i); sum += arch_irq_stat_cpu(i); for (j = 0; j < NR_SOFTIRQS; j++) { unsigned int softirq_stat = kstat_softirqs_cpu(j, i); per_softirq_sums[j] += softirq_stat; sum_softirq += softirq_stat; } } sum += arch_irq_stat(); seq_put_decimal_ull(p, "cpu ", cputime64_to_clock_t(user)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(nice)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(system)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(idle)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(iowait)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(irq)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(softirq)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(steal)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(guest)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(guest_nice)); seq_putc(p, '\n'); for_each_online_cpu(i) { /* Copy values here to work around gcc-2.95.3, gcc-2.96 */ user = kcpustat_cpu(i).cpustat[CPUTIME_USER]; nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE]; system = kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]; idle = get_idle_time(i); iowait = get_iowait_time(i); irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; seq_printf(p, "cpu%d", i); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(user)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(nice)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(system)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(idle)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(iowait)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(irq)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(softirq)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(steal)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(guest)); seq_put_decimal_ull(p, " ", cputime64_to_clock_t(guest_nice)); seq_putc(p, '\n'); } seq_put_decimal_ull(p, "intr ", (unsigned long long)sum); /* sum again ? it could be updated? */ for_each_irq_nr(j) seq_put_decimal_ull(p, " ", kstat_irqs_usr(j)); seq_printf(p, "\nctxt %llu\n" "btime %llu\n" "processes %lu\n" "procs_running %lu\n" "procs_blocked %lu\n", nr_context_switches(), (unsigned long long)boottime.tv_sec, total_forks, nr_running(), nr_iowait()); seq_put_decimal_ull(p, "softirq ", (unsigned long long)sum_softirq); for (i = 0; i < NR_SOFTIRQS; i++) seq_put_decimal_ull(p, " ", per_softirq_sums[i]); seq_putc(p, '\n'); return 0; } static int stat_open(struct inode *inode, struct file *file) { size_t size = 1024 + 128 * num_online_cpus(); /* minimum size to display an interrupt count : 2 bytes */ size += 2 * nr_irqs; return single_open_size(file, show_stat, NULL, size); } static const struct file_operations proc_stat_operations = { .open = stat_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, }; static int __init proc_stat_init(void) { proc_create("stat", 0, NULL, &proc_stat_operations); return 0; } fs_initcall(proc_stat_init); abf70c407635dc5'>a763f78cea845c91b8d91f93dabf70c407635dc5 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes and cleanups from David Miller: 1) Use rb_entry() instead of hardcoded container_of(), from Geliang Tang. 2) Use correct memory barriers in stammac driver, from Pavel Machek. 3) Fix assoc bind address handling in SCTP, from Xin Long. 4) Make the length check for UFO handling consistent between __ip_append_data() and ip_finish_output(), from Zheng Li. 5) HSI driver compatible strings were busted fro hix5hd2, from Dongpo Li. 6) Handle devm_ioremap() errors properly in cavium driver, from Arvind Yadav. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits) RDS: use rb_entry() net_sched: sch_netem: use rb_entry() net_sched: sch_fq: use rb_entry() net/mlx5: use rb_entry() ethernet: sfc: Add Kconfig entry for vendor Solarflare sctp: not copying duplicate addrs to the assoc's bind address list sctp: reduce indent level in sctp_copy_local_addr_list ARM: dts: hix5hd2: don't change the existing compatible string net: hix5hd2_gmac: fix compatible strings name openvswitch: Add a missing break statement. net: netcp: ethss: fix 10gbe host port tx pri map configuration net: netcp: ethss: fix errors in ethtool ops fsl/fman: enable compilation on ARM64 fsl/fman: A007273 only applies to PPC SoCs powerpc: fsl/fman: remove fsl,fman from of_device_ids[] fsl/fman: fix 1G support for QSGMII interfaces dt: bindings: net: use boolean dt properties for eee broken modes net: phy: use boolean dt properties for eee broken modes net: phy: fix sign type error in genphy_config_eee_advert ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output ...
Diffstat (limited to 'include/xen')