Chr☆s Kwok 的技术笔记

.NET, C#, WPF, WCF, WF, .NetCore & LINQ ... I know how it works because I know why it works ...

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/* 
-- 处理死锁
-- 查看当前进程,或死锁进程,并能自动杀掉死进程
-- 因为是针对死的,所以如果有死锁进程,只能查看死锁进程
-- 当然,你可以通过参数控制,不管有没有死锁,都只查看死锁进程
-- 调用示例: 
   exec [dbo].[p_lockinfo] 0, 0
*/ 
CREATE PROCEDURE [dbo].[p_lockinfo]
    @kill_lock_spid bit = 0, --是否杀掉死锁的进程,1 杀掉, 0 仅显示
    @show_spid_if_nolock bit = 0 --如果没有死锁的进程,是否显示正常进程信息,1 显示,0 不显示
as
declare @count int,@s nvarchar(1000),@i int
select [id]=identity(int,1,1), [标志],
    [进程ID]=spid, [线程ID]=kpid, [块进程ID]=blocked, [数据库ID]=dbid,
    [数据库名]=db_name(dbid), [用户ID]=uid, [用户名]=loginame, [累计CPU时间]=cpu,
    [登陆时间]=login_time, [打开事务数]=open_tran, [进程状态]=status,
    [工作站名]=hostname, [应用程序名]=program_name, [工作站进程ID]=hostprocess,
    [域名]=nt_domain, [网卡地址]=net_address
into #t from(
    select 标志='死锁的进程',
        spid,kpid,a.blocked,dbid,uid,loginame,cpu,login_time,open_tran,
        status,hostname,program_name,hostprocess,nt_domain,net_address,
        s1=a.spid,s2=0
    from master..sysprocesses a join (
        select blocked from master..sysprocesses group by blocked
        )b on a.spid=b.blocked where a.blocked=0
    union all
    select '牺牲品',
        spid,kpid,blocked,dbid,uid,loginame,cpu,login_time,open_tran,
        status,hostname,program_name,hostprocess,nt_domain,net_address,
        s1=blocked,s2=1
    from master..sysprocesses a where blocked<>0
    )a order by s1,s2;

select @count=@@rowcount, @i=1;

if @count=0 and @show_spid_if_nolock=1
begin
    insert #t
    select 标志='正常的进程',
        spid,kpid,blocked,dbid,db_name(dbid),uid,loginame,cpu,login_time,
        open_tran,status,hostname,program_name,hostprocess,nt_domain,net_address
    from master..sysprocesses;
    set @count=@@rowcount;
end

if @count>0
begin
    create table #t1(id int identity(1,1),a nvarchar(30),b Int,EventInfo nvarchar(4000));
    if @kill_lock_spid=1
    begin
        declare @spid varchar(10),@标志 varchar(10)
        while @i<=@count
        begin
            select @spid=进程ID,@标志=标志 from #t where id=@i;
            insert #t1 exec('dbcc inputbuffer('+@spid+')');
            if @标志='死锁的进程' exec('kill '+@spid);
            set @i=@i+1;
        end
    end
    else
    while @i<=@count
    begin
        select @s='dbcc inputbuffer('+cast(进程ID as varchar)+')' from #t where id=@i;
        --print @s;
        insert #t1 exec(@s);
        set @i=@i+1;
    end
    select a.*,[进程的SQL语句]=b.EventInfo from #t a join #t1 b on a.id=b.id order by a.id;
end
 
GO

 

posted on 2018-09-28 13:03  Chr☆s  阅读(1878)  评论(0编辑  收藏  举报