diff options
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -11,6 +11,21 @@ probe error { println ("oops, errors encountered; here's a report anyway") foreach (coin in mint) { println (coin) } } +- In a related twist, one may list probe points in order of preference, + and mark any of them as "sufficient" beyond just "optional". Probe + point sequence expansion stops if a sufficient-marked probe point has a hit. + This is useful for probes on functions that may be in a module (CONFIG_FOO=m) + or may have been compiled into the kernel (CONFIG_FOO=y), but we don't know + which. Instead of + + probe module("sd").function("sd_init_command") ? , + kernel.function("sd_init_command") ? { ... } + + which might match neither, now one can write this: + + probe module("sd").function("sd_init_command") ! , /* <-- note excl. mark */ + kernel.function("sd_init_command") { ... } + - New security model. To install a systemtap kernel module, a user must be one of the following: the root user; a member of the 'stapdev' group; or a member of the 'stapusr' group. Members of the |