/**
* Executes the commands and process the results to return the memory pm data.
*
* @param paramlist pm parameter values list.
* @param params the performance metrices to be monitored.
* @param pflag parameter flags.
* @param cmdflag command flags.
* @param exectime time the data collected.
* @return returns the PMData instance.
*/
private static PMData getPMData(
Vector paramlist, String[] params, boolean[] pflag, boolean[] cmdflag, long exectime) {
// execute the vmstat command
String vmstatResult = null;
// execute the vmstat command twice for AIX to retrieve page fault information
String vmstatResult1 = null;
String vmstatResult2 = null;
if (cmdflag[VMSTAT]) {
try {
vmstatResult = RunCommand.exec(VMSTATCMD, 10000);
} catch (Exception e) {
IsmMonAgentUtil.debug(e.getMessage());
}
if (IsmPmAgentImpl.OS == IsmMaConstants.AIX) {
try {
vmstatResult1 = RunCommand.exec(AIX_VMSTATCMD);
} catch (Exception e) {
IsmMonAgentUtil.debug(e.getMessage());
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
;
try {
vmstatResult2 = RunCommand.exec(AIX_VMSTATCMD);
} catch (Exception e) {
IsmMonAgentUtil.debug(e.getMessage());
}
}
}
// execute the vmstat command to get swap info
// AIX does not have -S option for vmstat
String vmstatswapResult = null;
if (cmdflag[VMSTATSWAP] && IsmPmAgentImpl.OS != IsmMaConstants.AIX) {
try {
if (IsmPmAgentImpl.OS != IsmMaConstants.LINUX) {
vmstatswapResult = RunCommand.exec(VMSTATSWAPLINUXCMD, 10000);
} else {
vmstatswapResult = RunCommand.exec(VMSTATSWAPCMD, 10000);
}
} catch (Exception e) {
IsmMonAgentUtil.debug(e.getMessage());
}
}
// process the vmstat result
if (cmdflag[VMSTAT] && (vmstatResult != null)) {
StringTokenizer rtokenizer = new StringTokenizer(vmstatResult, "\n");
String line = null;
if (rtokenizer.hasMoreTokens()) line = rtokenizer.nextToken(); // column groupings header
if (IsmPmAgentImpl.OS == IsmMaConstants.AIX) {
// AIX has an additional line
if (rtokenizer.hasMoreTokens()) line = rtokenizer.nextToken(); // dashed lines
}
if (rtokenizer.hasMoreTokens()) line = rtokenizer.nextToken(); // column labels
if (rtokenizer.hasMoreTokens()) line = rtokenizer.nextToken(); // first line of results;
// Skip the first line of results and collect data from the
// second line.
// Only parsing a single line of data, but use a while loop
// so that we can easily break out of the processing if we
// don't have enough tokens.
while (rtokenizer.hasMoreTokens()) {
line = rtokenizer.nextToken(); // second line of results;
StringTokenizer ltokenizer = new StringTokenizer(line, " \t");
int cnt = ltokenizer.countTokens();
// Need at least 14 tokens that will be needed for all OS's
if (cnt < 14) break;
String r = ltokenizer.nextToken();
String b = ltokenizer.nextToken();
// AIX and Linux does not have a w column
if (IsmPmAgentImpl.OS == IsmMaConstants.SOLARIS
|| IsmPmAgentImpl.OS == IsmMaConstants.HPUX) {
ltokenizer.nextToken(); // Skip w column
}
String swap = ltokenizer.nextToken();
String free = "n/a";
free = ltokenizer.nextToken();
String re = ltokenizer.nextToken();
if (IsmPmAgentImpl.OS == IsmMaConstants.LINUX) {
re = "0";
}
String mf = null;
if (IsmPmAgentImpl.OS == IsmMaConstants.SOLARIS
|| IsmPmAgentImpl.OS == IsmMaConstants.HPUX) {
mf = ltokenizer.nextToken();
} else if (IsmPmAgentImpl.OS == IsmMaConstants.LINUX) {
mf = "0";
} else {
// AIX doesn't supply mf or at via vmstat, so use vmstat command twice
// to retrieve
/* output will look like:
/users/donjiang>vmstat -s
3565041603 total address trans. faults
59621208 page ins
187195152 page outs
37598 paging space page ins
255904 paging space page outs
0 total reclaims
1162272236 zero filled pages faults
114011306 executable filled pages faults
38332962 pages examined by clock
8 revolutions of the clock hand
15545326 pages freed by the clock
33240616 backtracks
0 lock misses
56054 free frame waits
2 extend XPT waits
19326700 pending I/O waits
108413391 start I/Os
108420004 iodones
2929261290 cpu context switches
2842949964 device interrupts
0 software interrupts
0 traps
71007291963 syscalls
*/
long total_address_trans_fault1 = 0;
long total_address_trans_fault2 = 0;
if (vmstatResult1 != null) {
StringTokenizer rvmstattokenizer = new StringTokenizer(vmstatResult1, "\n");
String vmstatline = null;
while (rvmstattokenizer.hasMoreTokens()) {
vmstatline = rvmstattokenizer.nextToken().trim();
int index = vmstatline.indexOf("total address trans. faults");
if (index >= 0) {
total_address_trans_fault1 = Long.parseLong(vmstatline.substring(0, index).trim());
break;
}
}
}
if (vmstatResult2 != null) {
StringTokenizer rvmstattokenizer = new StringTokenizer(vmstatResult2, "\n");
String vmstatline = null;
while (rvmstattokenizer.hasMoreTokens()) {
vmstatline = rvmstattokenizer.nextToken().trim();
int index = vmstatline.indexOf("total address trans. faults");
if (index >= 0) {
total_address_trans_fault2 = Long.parseLong(vmstatline.substring(0, index).trim());
break;
}
}
}
if (total_address_trans_fault1 != 0 && total_address_trans_fault2 != 0) {
mf = String.valueOf(Math.abs(total_address_trans_fault2 - total_address_trans_fault1));
}
}
// At this point, there should be at least 10 tokens left.
if (ltokenizer.countTokens() < 10) break;
String pi = ltokenizer.nextToken();
String po = ltokenizer.nextToken();
String fr = ltokenizer.nextToken();
String de = null;
if (IsmPmAgentImpl.OS == IsmMaConstants.SOLARIS
|| IsmPmAgentImpl.OS == IsmMaConstants.HPUX) {
de = ltokenizer.nextToken();
} else {
// AIX doesn't support
de = "0";
}
String sr = ltokenizer.nextToken();
if (IsmPmAgentImpl.OS == IsmMaConstants.SOLARIS) {
// Solaris has up to 4 columns for disk operations.
// Determine if there are less than 4 disk columns.
// int cnt2 = ltokenizer.countTokens();
// IsmMonAgentUtil.debug("vmstat counts, cnt=" + cnt + " cnt2=" + cnt2,
// IsmMonAgentUtil.MAJOR);
while (ltokenizer.countTokens() > 6) {
ltokenizer.nextToken(); // Skip disk operations
}
}
if (ltokenizer.countTokens() < 6) break;
ltokenizer.nextToken(); // Skip in
ltokenizer.nextToken(); // Skip sy
ltokenizer.nextToken(); // Skip cs
String us = ltokenizer.nextToken();
String sy = ltokenizer.nextToken();
String id = ltokenizer.nextToken();
if (pflag[PAGESRECLAIMED]) {
paramlist.addElement(new PmMeasurement(PAGESRECLAIMEDNAME, re, true, null));
}
if (pflag[PAGEFAULTS]) {
paramlist.addElement(new PmMeasurement(PAGEFAULTSNAME, mf, true, null));
}
if (pflag[PAGESPAGEDIN]) {
paramlist.addElement(new PmMeasurement(PAGESPAGEDINNAME, pi, true, null));
}
if (pflag[PAGESPAGEDOUT]) {
paramlist.addElement(new PmMeasurement(PAGESPAGEDOUTNAME, po, true, null));
}
if (pflag[PAGESFREED]) {
paramlist.addElement(new PmMeasurement(PAGESFREEDNAME, fr, true, null));
}
if (pflag[ANTICIPATEDMEMORYSHORTFALL]) {
paramlist.addElement(new PmMeasurement(ANTICIPATEDMEMORYSHORTFALLNAME, de, true, null));
}
if (pflag[PAGESSCANRATE]) {
paramlist.addElement(new PmMeasurement(PAGESSCANRATENAME, sr, true, null));
}
if (pflag[RUNQUEUE]) {
paramlist.addElement(new PmMeasurement(RUNQUEUENAME, r, true, null));
}
if (pflag[BLOCKEDQUEUE]) {
paramlist.addElement(new PmMeasurement(BLOCKEDQUEUENAME, b, true, null));
}
if (pflag[VMSWAP]) {
paramlist.addElement(new PmMeasurement(VMSWAPNAME, swap, true, null));
}
if (pflag[VMFREE]) {
paramlist.addElement(new PmMeasurement(VMFREENAME, free, true, null));
}
if (pflag[VMUSR]) {
paramlist.addElement(new PmMeasurement(VMUSRNAME, us, true, null));
}
if (pflag[VMSYS]) {
paramlist.addElement(new PmMeasurement(VMSYSNAME, sy, true, null));
}
if (pflag[VMIDL]) {
paramlist.addElement(new PmMeasurement(VMIDLNAME, id, true, null));
}
break; // Break out of while loop. Only want to process one line
// of results.
}
}
// process swap result
String si = "n/a";
String so = "n/a";
if (cmdflag[VMSTATSWAP] && (vmstatswapResult != null)) {
StringTokenizer rtokenizer = new StringTokenizer(vmstatswapResult, "\n");
if (rtokenizer.countTokens() >= 4) {
String line = rtokenizer.nextToken();
line = rtokenizer.nextToken();
line = rtokenizer.nextToken();
// Skip the first line of results and collect data from the
// second line.
line = rtokenizer.nextToken();
StringTokenizer ltokenizer = new StringTokenizer(line, " \t");
if (ltokenizer.countTokens() >= 7) {
ltokenizer.nextToken();
ltokenizer.nextToken();
ltokenizer.nextToken();
ltokenizer.nextToken();
ltokenizer.nextToken();
if (IsmPmAgentImpl.OS == IsmMaConstants.LINUX) {
ltokenizer.nextToken();
}
si = ltokenizer.nextToken();
so = ltokenizer.nextToken();
}
}
}
if (pflag[PAGESSWAPPEDIN]) {
paramlist.addElement(new PmMeasurement(PAGESSWAPPEDINNAME, si, true, null));
}
if (pflag[PAGESSWAPPEDOUT]) {
paramlist.addElement(new PmMeasurement(PAGESSWAPPEDOUTNAME, so, true, null));
}
PmMeasurement[] pmlist = new PmMeasurement[paramlist.size()];
paramlist.copyInto(pmlist);
paramlist.removeAllElements();
paramlist = null;
return new PMData(
IsmPmAgentImpl.MEMORY, -1, IsmPmConstants.LOCATION_OS, new Date(exectime), pmlist);
}
/**
* Executes the commands and process the results to return the PMData.
*
* @return returns the PMData instance.
*/
static PMData getPMData() {
long exectime = System.currentTimeMillis();
// execute df or bdf command
String dfResult = null;
try {
if (IsmPmAgentImpl.OS == IsmMaConstants.SOLARIS) {
dfResult = RunCommand.exec(SOLARIS_DFCMD, 10000);
} else if (IsmPmAgentImpl.OS == IsmMaConstants.HPUX) {
dfResult = RunCommand.exec(HPUX_BDFCMD, 10000);
} else if (IsmPmAgentImpl.OS == IsmMaConstants.AIX) {
dfResult = RunCommand.exec(AIX_DFCMD, 10000);
}
} catch (Exception e) {
IsmMonAgentUtil.debug(e.getMessage());
}
Vector paramlist = new Vector();
// process the df or bdf command result
if (dfResult != null && dfResult.trim().length() > 0) {
Vector devList = new Vector();
StringTokenizer rtokenizer = new StringTokenizer(dfResult, "\n");
rtokenizer.nextToken();
while (rtokenizer.hasMoreTokens()) {
String line = rtokenizer.nextToken();
if (line.indexOf("Permission") != -1) {
continue;
}
StringTokenizer ltokenizer = new StringTokenizer(line, " \t");
if (ltokenizer.hasMoreTokens()) {
// Filesystem
String fsName = ltokenizer.nextToken();
if (!ltokenizer.hasMoreTokens()) {
if (!rtokenizer.hasMoreTokens()) break;
line = rtokenizer.nextToken();
ltokenizer = new StringTokenizer(line, " \t");
}
// Total
String total = ltokenizer.nextToken();
if (total.equals("-")) {
continue; // AIX presented this case
}
if (!ltokenizer.hasMoreTokens()) {
if (!rtokenizer.hasMoreTokens()) break;
line = rtokenizer.nextToken();
ltokenizer = new StringTokenizer(line, " \t");
}
float totalVal = ((float) Long.parseLong(total)) / 1024;
// Used
String used = ltokenizer.nextToken();
if (used.equals("-")) {
continue; // AIX presented this case
}
if (!ltokenizer.hasMoreTokens()) {
if (!rtokenizer.hasMoreTokens()) break;
line = rtokenizer.nextToken();
ltokenizer = new StringTokenizer(line, " \t");
}
float usedVal = ((float) Long.parseLong(used)) / 1024;
// Free
String free = ltokenizer.nextToken();
if (free.equals("-")) {
continue; // AIX presented this case
}
if (!ltokenizer.hasMoreTokens()) {
if (!rtokenizer.hasMoreTokens()) break;
line = rtokenizer.nextToken();
ltokenizer = new StringTokenizer(line, " \t");
}
float freeVal = ((float) Long.parseLong(free)) / 1024;
// Capacity
String capacity = ltokenizer.nextToken();
capacity = capacity.substring(0, capacity.length() - 1);
if (!ltokenizer.hasMoreTokens()) {
if (!rtokenizer.hasMoreTokens()) break;
line = rtokenizer.nextToken();
ltokenizer = new StringTokenizer(line, " \t");
}
// Mounted on
String mountFS = ltokenizer.nextToken() + "/";
addParams(paramlist, fsName, totalVal, usedVal, freeVal, capacity, mountFS);
}
}
}
// construct the pm data
PmMeasurement[] pmlist = new PmMeasurement[paramlist.size()];
paramlist.copyInto(pmlist);
paramlist.removeAllElements();
paramlist = null;
return new PMData(
IsmPmAgentImpl.LOGSPACE, -1, IsmPmConstants.LOCATION_OS, new Date(exectime), pmlist);
}