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| -rw-r--r-- | NEWS | 28 |
1 files changed, 14 insertions, 14 deletions
@@ -7,20 +7,20 @@ * What's new in version 0.9.5 - - New probes process().insn and process().insn.block that allows - inspection of the process after each instruction or block of - instructions executed. So to count the total number of instructions - a process executes during a run do something like: - $ stap -e 'global steps; probe process("/bin/ls").insn {steps++} - probe end {printf("Total instructions: %d\n", steps);}' \ - -c /bin/ls - This feature can slow down execution of a process somewhat. - - - Systemtap probes and function man pages extracted from the tapsets - are now available under 3stap. To show the page for probe vm.pagefault - or the stap function pexecname do: - $ man 3stap vm.pagefault - $ man 3stap pexecname +- New probes process().insn and process().insn.block that allows + inspection of the process after each instruction or block of + instructions executed. So to count the total number of instructions + a process executes during a run do something like: + $ stap -e 'global steps; probe process("/bin/ls").insn {steps++} + probe end {printf("Total instructions: %d\n", steps);}' \ + -c /bin/ls + This feature can slow down execution of a process somewhat. + +- Systemtap probes and function man pages extracted from the tapsets + are now available under 3stap. To show the page for probe vm.pagefault + or the stap function pexecname do: + $ man 3stap vm.pagefault + $ man 3stap pexecname - Kernel tracepoints are now supported for probing predefined kernel events without any debuginfo. Tracepoints incur less overhead than |