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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -21,6 +21,21 @@ Probing of absolute statements can be done using the kprobe.statement(ADDRESS).absolute construct. +- EXPERIMENTAL support for user process unwinding. A new collection of + tapset functions have been added to handle user space backtraces from + probe points that support them (currently process and timer probes - + for timer probes test whether or not in user space first with the + already existing user_mode() function). The new tapset functions are: + uaddr - User space address of current running task. + usymname - Return the symbol of an address in the current task. + usymdata - Return the symbol and module offset of an address. + print_ustack - Print out stack for the current task from string. + print_ubacktrace - Print stack back trace for current task. + ubacktrace - Hex backtrace of current task stack. + Please read http://sourceware.org/ml/systemtap/2009-q2/msg00364.html + on the current restrictions and possible changes in the future and + give feedback if you want to influence future developments. + * What's new in version 0.9.5 - New probes process().insn and process().insn.block that allows |