diff options
Diffstat (limited to 'testsuite/systemtap.examples/memory/mmanonpage.stp')
-rwxr-xr-x | testsuite/systemtap.examples/memory/mmanonpage.stp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/memory/mmanonpage.stp b/testsuite/systemtap.examples/memory/mmanonpage.stp new file mode 100755 index 00000000..8a78633f --- /dev/null +++ b/testsuite/systemtap.examples/memory/mmanonpage.stp @@ -0,0 +1,72 @@ +#! /usr/bin/env stap + +global traced_pid, command +global allocation, free +global anon_fault, anon_usrfree, anon_pgin, anon_cow, anon_unmap + +function log_event:long () +{ + return (!traced_pid || traced_pid == pid()) +} + +probe kernel.trace("mm_page_allocation") { + if (!log_event()) next + allocation[pid()] <<< 1 + command[pid()] = execname() +} + +probe kernel.trace("mm_page_free") { + if (!log_event()) next + free[pid()] <<< 1 +} + +probe kernel.trace("mm_anon_fault") { + if (!log_event()) next + anon_fault[pid()] <<< 1 +} + +probe kernel.trace("mm_anon_pgin") { + if (!log_event()) next + anon_pgin[pid()] <<< 1 +} + +probe kernel.trace("mm_anon_cow") { + if (!log_event()) next + anon_cow[pid()] <<< 1 +} + +probe kernel.trace("mm_anon_unmap") { + if (!log_event()) next + anon_unmap[pid()] <<< 1 +} + +probe kernel.trace("mm_anon_userfree") { + if (!log_event()) next + anon_usrfree[pid()] <<< 1 +} + +probe begin { + printf("Starting data collection\n") + traced_pid = target() + if (traced_pid) + printf("mode Specific Pid, traced pid: %d\n\n", traced_pid) + else + printf("mode - All Pids\n\n") +} + +probe end { + printf("Terminating data collection\n") + printf("%-16s %6s %8s %7s %7s %7s %7s %7s %7s\n", + "Command", "Pid", "Alloc", "Free", "A_fault", + "A_ufree", "A_pgin", "A_cow", "A_unmap") + printf("%-16s %6s %8s %7s %7s %7s %7s %7s %7s\n", + "-------", "---", "-----", "----", "-------", + "-------", "------", "-----", "-------") + foreach (pid in allocation-) + printf("%-16s %6d %8d %7d %7d %7d %7d %7d %7d\n", + command[pid], pid, + @count(allocation[pid]), @count(free[pid]), + @count(anon_fault[pid]), @count(anon_usrfree[pid]), + @count(anon_pgin[pid]), @count(anon_cow[pid]), + @count(anon_unmap[pid])) +} |