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Diffstat (limited to 'cddl/contrib/dtracetoolkit/Examples/anonpgpid_example.txt')
-rw-r--r-- | cddl/contrib/dtracetoolkit/Examples/anonpgpid_example.txt | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/cddl/contrib/dtracetoolkit/Examples/anonpgpid_example.txt b/cddl/contrib/dtracetoolkit/Examples/anonpgpid_example.txt deleted file mode 100644 index b505f3d..0000000 --- a/cddl/contrib/dtracetoolkit/Examples/anonpgpid_example.txt +++ /dev/null @@ -1,73 +0,0 @@ -The following is a demonstration of the anonpgpid.d script, - - -Here we run it on a system that is implementing memory caps using the -resource capping daemon, "rcapd", - - # anonpgpid.d - Tracing... Hit Ctrl-C to end. - ^C - PID CMD D BYTES - 6215 bash R 8192 - 6215 bash W 126976 - 5809 rcapd R 245760 - 6222 memleak.pl R 974848 - 6222 memleak.pl W 3055616 - -The "memleak.pl" process consumes memory, and we can see above that it has -encountered both reads and writes to the physical swap device - it is being -paged out. A bash shell was also effected (which was in the same project that -rcapd was monitoring). - - - -The following is an ordinary system that is very low on memory, - - # anonpgpid.d - Tracing... Hit Ctrl-C to end. - ^C - PID CMD D BYTES - 18885 sendmail R 4096 - 18600 automountd R 4096 - 1 init R 4096 - 2456 inetd R 8192 - 18546 nscd R 8192 - 2400 bash R 12288 - 217 utmpd R 28672 - 221 ttymon R 32768 - 210 sac R 36864 - 18777 snmpd R 49152 - 18440 init R 49152 - 89 nscd R 61440 - 318 syslogd R 73728 - 487 snmpd R 81920 - 2453 inetd R 102400 - 165 in.routed R 131072 - 294 automountd R 135168 - 215 inetd R 135168 - 187 rpcbind R 204800 - 86 kcfd R 290816 - 7 svc.startd R 1015808 - 9 svc.configd R 1478656 - 2 pageout W 23453696 - -The "pageout" process is responsible for writing all the anonymous memory -pages to the physical swap device, and we can see from the above that it -has written 23 Mb. When processes access anonymous memory that has been -swapped out, a major fault occurs and the memory is paged back in; in this -case we can trace the process that was effected, and from the above we can -see that several processes have been effected by the memory pressure. -The most is "svc.configd", which needed to page back in 1.4 Mb of anonymous -memory. - - - -Sometimes anonpgpid.d doesn't help too much. Here we only have pageouts -to the physical swap device and no pageins, - - # anonpgpid.d - ^C - PID CMD D BYTES - 2 pageout W 61083648 - -Only pageout is identified. |