diff options
Diffstat (limited to 'stapprobes.3stap.in')
| -rw-r--r-- | stapprobes.3stap.in | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/stapprobes.3stap.in b/stapprobes.3stap.in index f175e6e0..a8988c71 100644 --- a/stapprobes.3stap.in +++ b/stapprobes.3stap.in @@ -49,12 +49,16 @@ including alias's body is skipped. The condition is stacked up through all levels of alias/wildcard expansion. So the final condition becomes the logical-and of conditions of all expanded alias/wildcard. -These are all syntactically valid probe points: +These are all +.B syntactically +valid probe points. (They are generally +.B semantically +invalid, depending on the contents of the tapsets, and the versions of +kernel/user software installed.) .SAMPLE kernel.function("foo").return -syscall(22) -user.inode("/bin/vi").statement(0x2222) +process("/bin/vi").statement(0x2222) end syscall.* kernel.function("no_such_function") ? @@ -62,6 +66,7 @@ module("awol").function("no_such_function") ! signal.*? if (switch) .ESAMPLE + Probes may be broadly classified into "synchronous" and "asynchronous". A "synchronous" event is deemed to occur when any processor executes an instruction matched by the specification. This |