监控系统内存
public CollectorThread(int second,String path,String pid,String name) { this.second = second; this.pid = pid; this.name = name; String osname = System.getProperty("os.name"); System.setProperty("PERFMON_PATH",path); if("SunOS".equals(osname)) { os = "solaris"; command = "ps -p "+pid+" -o pid,pcpu,pmem,osz,rss"; } if("AIX".equals(osname)) { os = "aix"; command = "ps v "+pid; } if("Linux".equals(osname)) { os = "linux"; command = "ps u "+pid; } if(osname.indexOf("Window")>=0) { os = "window"; command = "java"; } setPriority(Thread.MIN_PRIORITY); }public void execute() { try { Process p = rt.exec(command); InputStream is = p.getInputStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); String line = br.readLine(); line = br.readLine(); if(line == null || "".equals(line)) return; StringTokenizer st = new StringTokenizer(line); String ts = null; String cpu = null; String mem = null; String vmem = null; if("solaris".equals(os)) { ts = formatDate(new Date()); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) cpu = st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) vmem = st.nextToken(); if(st.hasMoreTokens()) mem = st.nextToken(); } if("aix".equals(os)) { ts = formatDate(new Date()); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) vmem = st.nextToken(); if(st.hasMoreTokens()) mem = st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) cpu = st.nextToken(); } if("linux".equals(os)) { ts = formatDate(new Date()); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) cpu = st.nextToken(); if(st.hasMoreTokens()) st.nextToken(); if(st.hasMoreTokens()) vmem = st.nextToken(); if(st.hasMoreTokens()) mem = st.nextToken(); } if(mem != null && !"".equals(mem)) mem = ""+Long.parseLong(mem)*1024; if(vmem != null && !"".equals(vmem)) vmem = ""+Long.parseLong(vmem)*1024; if(name != null && !"".equals(name)) { String file = path+"/perfmon_cpu_"+name+".tsv"; FileOutputStream fos = new FileOutputStream(file,true); fos.write(("""+ts+""\t"+"""+cpu+""\r\n").getBytes()); fos.close(); file = path+"/perfmon_mem_"+name+".tsv"; fos = new FileOutputStream(file,true); fos.write(("""+ts+""\t"+"""+mem+""\r\n").getBytes()); fos.close(); file = path+"/perfmon_vmem_"+name+".tsv"; fos = new FileOutputStream(file,true); fos.write(("""+ts+""\t"+"""+vmem+""\r\n").getBytes()); fos.close(); } else { String file = path+"/perfmon_cpu_"+pid+".tsv"; FileOutputStream fos = new FileOutputStream(file,true); fos.write(("""+ts+""\t"+"""+cpu+""\r\n").getBytes()); fos.close(); file = path+"/perfmon_mem_"+pid+".tsv"; fos = new FileOutputStream(file,true); fos.write(("""+ts+""\t"+"""+mem+""\r\n").getBytes()); fos.close(); file = path+"/perfmon_vmem_"+pid+".tsv"; fos = new FileOutputStream(file,true); fos.write(("""+ts+""\t"+"""+vmem+""\r\n").getBytes()); fos.close(); } is.close(); p = null; } catch(Exception e) { e.printStackTrace(); } }?