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linux – 如何判断irqbalance是否正在执行任何操作?

发布时间:2021-05-25 09:57:21 所属栏目:Linux 来源:网络整理
导读:我已经研究了提到在SMP系统上安装irqbalance( http://www.irqbalance.org/)的linux服务器调优文档.我现在正在四核系统上看它,虽然“ps axf”可以告诉我它正在运行,但我没有看到任何类型的统计数据或信息是否/如何影响系统. 谁知道在哪里看? 解决方法 在源代

我已经研究了提到在SMP系统上安装irqbalance( http://www.irqbalance.org/)的linux服务器调优文档.我现在正在四核系统上看它,虽然“ps axf”可以告诉我它正在运行,但我没有看到任何类型的统计数据或信息是否/如何影响系统.

谁知道在哪里看?

解决方法

在源代码中,他们引用/ proc几次.也许你在那里找到答案.
root @ [/usr/local / src / irqbalance-0.55] egrep -ri“proc | sys”*
activate.c:                     sprintf(buf,"/proc/irq/%i/smp_affinity",irq->number);
cpumask.h: * set of CPU's in a system,one bit position per CPU number.
cpumask.h: * The following particular system cpumasks and operations manage
cpumask.h: *  be plugged in at anytime during the life of that system boot.
cpumask.h:int highest_possible_processor_id(void);
cputree.c: * This file contains the code to construct and manipulate a hierarchy of processors,cputree.c: * cache domains and processor cores.
cputree.c:#include <sys/types.h>
cputree.c:      dir = opendir("/sys/devices/system/cpu");
cputree.c:                      sprintf(new_path,"/sys/devices/system/cpu/%s",entry->d_name);
irqbalance.c:#include <sys/time.h>
irqbalance.c:   /* On single core UP systems irqbalance obviously has no work to do */
irqbalance.c:   /* On dual core/hyperthreading shared cache systems just do a one shot setup */
irqbalance.c:   parse_proc_interrupts();
irqbalance.c:   parse_proc_interrupts();
irqbalance.c:           parse_proc_interrupts();
irqbalance.c:           /* cope with cpu hotplug -- detected during /proc/interrupts parsing */
irqbalance.h:extern void parse_proc_interrupts(void);
irqlist.c:#include <sys/types.h>
irqlist.c: * This function classifies and reads various things from /proc about a specific irq
irqlist.c:      sprintf(buf,"/proc/irq/%i",number);
irqlist.c:                      sprintf(buf,number);
Makefile:LIBS=bitmap.o irqbalance.o cputree.o  procinterrupts.o irqlist.o placement.o activate.o network.o powermode.o numa.o classify.o
network.c:#include <sys/ioctl.h>
network.c:        sprintf(buffer,"/sys/bus/pci/devices/%s/irq",driver.bus_info);
network.c:      file = fopen("/proc/net/dev","r");
numa.c:#include <sys/types.h>
numa.c: dir = opendir("/sys/bus/pci/devices");
numa.c:         sprintf(line,entry->d_name);
numa.c:         sprintf(line,"/sys/bus/pci/devices/%s/class","/sys/bus/pci/devices/%s/local_cpus",entry->d_name);
numa.c: * Ethernet gets the type via /proc/net/dev; in addition down'd interfaces
powermode.c:    file = fopen("/proc/stat","r");
powermode.c:    dummy = strtoull(c,&c,10); /* system */
procinterrupts.c:void parse_proc_interrupts(void)
procinterrupts.c:       file = fopen("/proc/interrupts","r");

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