| package main | |
| import ( | |
| "context" | |
| "flag" | |
| "log" | |
| "strings" | |
| "time" | |
| pb "github.com/ethercflow/injuredfs/pb" |
gcc -o failure-gen failure-gen.c
mv failure-gen.service [email protected] /ets/systemd/system # change [email protected] to your email name
systemctl daemon-reload
mkdir -p /opt/onfailure-test/aaa
mv failure-gen /opt/onfailure-test
systemctl start failure-gen.service
cd /opt/onfailure-testwhen run
| #!/usr/bin/env python | |
| from __future__ import print_function | |
| from bcc import BPF | |
| from time import sleep, strftime | |
| from datetime import datetime | |
| import sys | |
| bpf_source = """ | |
| #include <uapi/linux/ptrace.h> |
| #include <linux/init.h> | |
| #include <linux/module.h> | |
| #include <linux/slab.h> | |
| #define N 100000 | |
| #define ORDER 2 * 2 * 2 | |
| static char *mems[N_MEM]; | |
| static int | |
| frag_init(void) |
| export PATH=$PATH:/opt/linuxki | |
| cd /dev/shm | |
| runki -M -X -G ${tgid} -R -e all -d 120 # (default 20s) | |
| kiall -r | |
| cd local/xxx/ | |
| vim kiwait.xxx.txt # 分析等待事件 | |
| perf stat -e minor-faults | |
| perf record -e minor-faults -c 1 -ag |
| # 1. create a sub group | |
| create -t <tuid>:<tgid> -g cpuset:<gname> | |
| # 2. get nodes and cores of each node | |
| numactl --hardware | |
| # 3. bind one node's cpu to the sub group | |
| cgset -r cpuset.cpus='n1c1, n1c2,...' <gname> | |
| # 4. can limit mem node too (opt) | |
| cgset -r cpuset.mems='0' <gname> |
| #define _GNU_SOURCE | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #include <unistd.h> | |
| struct A { | |
| void *(*add)(void *out, void *a, void *b); | |
| }; |
| struct task_struct { | |
| volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ | |
| void *stack; | |
| atomic_t usage; | |
| unsigned int flags; /* per process flags, defined below */ | |
| unsigned int ptrace; | |
| #ifdef CONFIG_SMP | |
| struct llist_node wake_entry; | |
| int on_cpu; |
| /* | |
| * debugfs.h - a tiny little debug file system | |
| * | |
| * Copyright (C) 2004 Greg Kroah-Hartman <[email protected]> | |
| * Copyright (C) 2004 IBM Inc. | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public License version | |
| * 2 as published by the Free Software Foundation. | |
| * |
| #!/usr/bin/env bash | |
| source /opt/intel/vtune_amplifier_2018.3.0.558279/amplxe-vars.sh | |
| amplxe-cl -c memory-access -knob analyze-mem-objects=true -knob mem-object-size-min-thres=1024 -run-pass-thru=--no-altstack -target-pid $1 |