YARN-5551. Ignore file backed pages from memory computation when smaps is enabled. Contributed by Rajesh Balamohan
This commit is contained in:
Jason Lowe
parent
96b12662ea
commit
ecb51b857a
@ -406,15 +406,14 @@ private long getSmapBasedRssMemorySize(int olderThanAge) {
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continue;
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}
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total +=
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Math.min(info.sharedDirty, info.pss) + info.privateDirty
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+ info.privateClean;
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// Account for anonymous to know the amount of
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// memory reclaimable by killing the process
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total += info.anonymous;
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if (LOG.isDebugEnabled()) {
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LOG.debug(" total(" + olderThanAge + "): PID : " + p.getPid()
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+ ", SharedDirty : " + info.sharedDirty + ", PSS : "
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+ info.pss + ", Private_Dirty : " + info.privateDirty
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+ ", Private_Clean : " + info.privateClean + ", total : "
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+ (total * KB_TO_BYTES));
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+ ", info : " + info.toString()
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+ ", total : " + (total * KB_TO_BYTES));
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}
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}
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}
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@ -877,6 +876,7 @@ static class ProcessSmapMemoryInfo {
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private int sharedDirty;
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private int privateClean;
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private int privateDirty;
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private int anonymous;
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private int referenced;
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private String regionName;
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private String permission;
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@ -929,6 +929,10 @@ public int getReferenced() {
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return referenced;
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}
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public int getAnonymous() {
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return anonymous;
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}
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public void setMemInfo(String key, String value) {
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MemInfo info = MemInfo.getMemInfoByName(key);
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int val = 0;
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@ -969,6 +973,9 @@ public void setMemInfo(String key, String value) {
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case REFERENCED:
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referenced = val;
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break;
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case ANONYMOUS:
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anonymous = val;
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break;
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default:
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break;
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}
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@ -999,10 +1006,7 @@ public String toString() {
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.append(MemInfo.REFERENCED.name + ":" + this.getReferenced())
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.append(" kB\n");
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sb.append("\t")
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.append(MemInfo.PRIVATE_DIRTY.name + ":" + this.getPrivateDirty())
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.append(" kB\n");
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sb.append("\t")
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.append(MemInfo.PRIVATE_DIRTY.name + ":" + this.getPrivateDirty())
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.append(MemInfo.ANONYMOUS.name + ":" + this.getAnonymous())
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.append(" kB\n");
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return sb.toString();
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}
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@ -369,21 +369,24 @@ public void createMemoryMappingInfo(ProcessTreeSmapMemInfo[] procMemInfo) {
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List<ProcessSmapMemoryInfo> memoryMappingList =
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procMemInfo[i].getMemoryInfoList();
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memoryMappingList.add(constructMemoryMappingInfo(
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"7f56c177c000-7f56c177d000 "
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"7f56c177c000-7f56c177d000 "
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+ "rw-p 00010000 08:02 40371558 "
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+ "/grid/0/jdk1.7.0_25/jre/lib/amd64/libnio.so",
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new String[] { "4", "4", "25", "4", "25", "15", "10", "4", "0", "0",
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"0", "4", "4" }));
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// Format: size, rss, pss, shared_clean, shared_dirty, private_clean
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// private_dirty, referenced, anon, anon-huge-pages, swap,
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// kernel_page_size, mmu_page_size
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new String[] {"4", "4", "25", "4", "25", "15", "10", "4", "10", "0",
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"0", "4", "4"}));
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memoryMappingList.add(constructMemoryMappingInfo(
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"7fb09382e000-7fb09382f000 r--s 00003000 " + "08:02 25953545",
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new String[] { "4", "4", "25", "4", "0", "15", "10", "4", "0", "0",
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"0", "4", "4" }));
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"7fb09382e000-7fb09382f000 r--s 00003000 " + "08:02 25953545",
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new String[] {"4", "4", "25", "4", "0", "15", "10", "4", "10", "0",
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"0", "4", "4"}));
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memoryMappingList.add(constructMemoryMappingInfo(
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"7e8790000-7e8b80000 r-xs 00000000 00:00 0", new String[] { "4", "4",
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"25", "4", "0", "15", "10", "4", "0", "0", "0", "4", "4" }));
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"7e8790000-7e8b80000 r-xs 00000000 00:00 0", new String[] {"4", "4",
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"25", "4", "0", "15", "10", "4", "10", "0", "0", "4", "4"}));
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memoryMappingList.add(constructMemoryMappingInfo(
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"7da677000-7e0dcf000 rw-p 00000000 00:00 0", new String[] { "4", "4",
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"25", "4", "50", "15", "10", "4", "0", "0", "0", "4", "4" }));
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"7da677000-7e0dcf000 rw-p 00000000 00:00 0", new String[] {"4", "4",
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"25", "4", "50", "15", "10", "4", "10", "0", "0", "4", "4"}));
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}
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}
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@ -471,13 +474,12 @@ public void testCpuAndMemoryForProcessTree() throws IOException {
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// Check by enabling smaps
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setSmapsInProceTree(processTree, true);
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// RSS=Min(shared_dirty,PSS)+PrivateClean+PrivateDirty (exclude r-xs,
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// r--s)
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// anon (exclude r-xs,r--s)
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Assert.assertEquals("rss memory does not match",
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(100 * KB_TO_BYTES * 3), processTree.getRssMemorySize());
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(20 * KB_TO_BYTES * 3), processTree.getRssMemorySize());
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// verify old API
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Assert.assertEquals("rss memory (old API) does not match",
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(100 * KB_TO_BYTES * 3), processTree.getCumulativeRssmem());
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(20 * KB_TO_BYTES * 3), processTree.getCumulativeRssmem());
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// test the cpu time again to see if it cumulates
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procInfos[0] =
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@ -621,10 +623,10 @@ private void testMemForOlderProcesses(boolean smapEnabled) throws IOException {
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cumuRssMem, processTree.getCumulativeRssmem());
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} else {
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Assert.assertEquals("rssmem does not include new process",
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100 * KB_TO_BYTES * 4, processTree.getRssMemorySize());
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20 * KB_TO_BYTES * 4, processTree.getRssMemorySize());
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// verify old API
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Assert.assertEquals("rssmem (old API) does not include new process",
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100 * KB_TO_BYTES * 4, processTree.getCumulativeRssmem());
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20 * KB_TO_BYTES * 4, processTree.getCumulativeRssmem());
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}
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// however processes older than 1 iteration will retain the older value
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@ -650,11 +652,11 @@ private void testMemForOlderProcesses(boolean smapEnabled) throws IOException {
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} else {
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Assert.assertEquals(
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"rssmem shouldn't have included new process",
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100 * KB_TO_BYTES * 3, processTree.getRssMemorySize(1));
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20 * KB_TO_BYTES * 3, processTree.getRssMemorySize(1));
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// Verify old API
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Assert.assertEquals(
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"rssmem (old API) shouldn't have included new process",
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100 * KB_TO_BYTES * 3, processTree.getCumulativeRssmem(1));
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20 * KB_TO_BYTES * 3, processTree.getCumulativeRssmem(1));
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}
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// one more process
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@ -696,11 +698,11 @@ private void testMemForOlderProcesses(boolean smapEnabled) throws IOException {
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} else {
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Assert.assertEquals(
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"rssmem shouldn't have included new processes",
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100 * KB_TO_BYTES * 3, processTree.getRssMemorySize(2));
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20 * KB_TO_BYTES * 3, processTree.getRssMemorySize(2));
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// Verify old API
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Assert.assertEquals(
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"rssmem (old API) shouldn't have included new processes",
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100 * KB_TO_BYTES * 3, processTree.getCumulativeRssmem(2));
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20 * KB_TO_BYTES * 3, processTree.getCumulativeRssmem(2));
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}
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// processes older than 1 iteration should not include new process,
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@ -727,10 +729,10 @@ private void testMemForOlderProcesses(boolean smapEnabled) throws IOException {
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} else {
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Assert.assertEquals(
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"rssmem shouldn't have included new processes",
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100 * KB_TO_BYTES * 4, processTree.getRssMemorySize(1));
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20 * KB_TO_BYTES * 4, processTree.getRssMemorySize(1));
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Assert.assertEquals(
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"rssmem (old API) shouldn't have included new processes",
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100 * KB_TO_BYTES * 4, processTree.getCumulativeRssmem(1));
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20 * KB_TO_BYTES * 4, processTree.getCumulativeRssmem(1));
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}
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// no processes older than 3 iterations
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