| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Tue, 17 Apr 2012 21:10:04 +0530
From: Sasikantha babu <sasikanth.v19@...il.com>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Daniel Lezcano <daniel.lezcano@...e.fr>
Cc: Kevin Tian <kevin.tian@...el.com>,
Fengzhe Zhang <fengzhe.zhang@...el.com>,
Fernando Luis Vazquez Cao <fernando@....ntt.co.jp>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
Marc Zyngier <marc.zyngier@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
Mike Frysinger <vapier@...too.org>,
linux-kernel@...r.kernel.org, x86@...nel.org,
Sasikantha babu <sasikanth.v19@...il.com>
Subject: [PATCH 2/3] Added arch_show_interrupts_cpu to display CPU specific interrupts for Proc Fs
Signed-off-by: Sasikantha babu <sasikanth.v19@...il.com>
---
arch/x86/kernel/irq.c | 70 +++++++++++++++++++++++++++++++++++++++++++++
include/linux/interrupt.h | 1 +
2 files changed, 71 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 3dafc60..cf64546 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -128,6 +128,76 @@ int arch_show_interrupts(struct seq_file *p, int prec)
return 0;
}
+
+/*
+ * /proc/cpu/<node>/interrupts printing for CPU and arch specific interrupts
+ * XXX: Could not figure out a way to re-use arch_show_interrupts
+ */
+int arch_show_interrupts_cpu (struct seq_file *p, int prec, int cpu)
+{
+ int j = cpu;
+
+ seq_printf(p, "%*s: ", prec, "NMI");
+ seq_printf(p, "%10u ", irq_stats(j)->__nmi_count);
+ seq_printf(p, " Non-maskable interrupts\n");
+#ifdef CONFIG_X86_LOCAL_APIC
+ seq_printf(p, "%*s: ", prec, "LOC");
+ seq_printf(p, "%10u ", irq_stats(j)->apic_timer_irqs);
+ seq_printf(p, " Local timer interrupts\n");
+
+ seq_printf(p, "%*s: ", prec, "SPU");
+ seq_printf(p, "%10u ", irq_stats(j)->irq_spurious_count);
+ seq_printf(p, " Spurious interrupts\n");
+ seq_printf(p, "%*s: ", prec, "PMI");
+ seq_printf(p, "%10u ", irq_stats(j)->apic_perf_irqs);
+ seq_printf(p, " Performance monitoring interrupts\n");
+ seq_printf(p, "%*s: ", prec, "IWI");
+ seq_printf(p, "%10u ", irq_stats(j)->apic_irq_work_irqs);
+ seq_printf(p, " IRQ work interrupts\n");
+ seq_printf(p, "%*s: ", prec, "RTR");
+ seq_printf(p, "%10u ", irq_stats(j)->icr_read_retry_count);
+ seq_printf(p, " APIC ICR read retries\n");
+#endif
+ if (x86_platform_ipi_callback) {
+ seq_printf(p, "%*s: ", prec, "PLT");
+ seq_printf(p, "%10u ", irq_stats(j)->x86_platform_ipis);
+ seq_printf(p, " Platform interrupts\n");
+ }
+#ifdef CONFIG_SMP
+ seq_printf(p, "%*s: ", prec, "RES");
+ seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count);
+ seq_printf(p, " Rescheduling interrupts\n");
+ seq_printf(p, "%*s: ", prec, "CAL");
+ seq_printf(p, "%10u ", irq_stats(j)->irq_call_count);
+ seq_printf(p, " Function call interrupts\n");
+ seq_printf(p, "%*s: ", prec, "TLB");
+ seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count);
+ seq_printf(p, " TLB shootdowns\n");
+#endif
+#ifdef CONFIG_X86_THERMAL_VECTOR
+ seq_printf(p, "%*s: ", prec, "TRM");
+ seq_printf(p, "%10u ", irq_stats(j)->irq_thermal_count);
+ seq_printf(p, " Thermal event interrupts\n");
+#endif
+#ifdef CONFIG_X86_MCE_THRESHOLD
+ seq_printf(p, "%*s: ", prec, "THR");
+ seq_printf(p, "%10u ", irq_stats(j)->irq_threshold_count);
+ seq_printf(p, " Threshold APIC interrupts\n");
+#endif
+#ifdef CONFIG_X86_MCE
+ seq_printf(p, "%*s: ", prec, "MCE");
+ seq_printf(p, "%10u ", per_cpu(mce_exception_count, j));
+ seq_printf(p, " Machine check exceptions\n");
+ seq_printf(p, "%*s: ", prec, "MCP");
+ seq_printf(p, "%10u ", per_cpu(mce_poll_count, j));
+ seq_printf(p, " Machine check polls\n");
+#endif
+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
+#if defined(CONFIG_X86_IO_APIC)
+ seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count));
+#endif
+ return 0;
+}
/*
* /proc/stat helpers
*/
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 2aea5d2..27e15cc 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -695,6 +695,7 @@ static inline void init_irq_proc(void)
struct seq_file;
int show_interrupts(struct seq_file *p, void *v);
int arch_show_interrupts(struct seq_file *p, int prec);
+int arch_show_interrupts_cpu(struct seq_file *p, int prec, int cpu);
extern int early_irq_init(void);
extern int arch_probe_nr_irqs(void);
--
1.7.3.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists