session.h (struct systemtap_session): Added itrace_derived_probe

group.
elaborate.cxx (systemtap_session::systemtap_session): Added
initialization of itrace_derived_probes.
tapsets.cxx (struct itrace_derived_probe): Add derived_probe
struct for holding info needed by itrace probes.
(struct itrace_derived_probe_group): New derived_probe_group
to handle itrace probes.
(itrace_derived_probe::itrace_derived_probe): Needed for use with
task_finder.
(itrace_derived_probe_group::join_group): Ditto.
(itrace_derived_probe_group::enroll): Ditto.
(itrace_derived_probe_group::emit_probe_decl): Ditto.
(itrace_derived_probe_group::emit_module_decls): Ditto.
(itrace_derived_probe_group::emit_module_init): Ditto.
(itrace_derived_probe_group::emit_module_exit): Ditto.
stapprobes.5.in : Added documentation of itrace probe.

1 files changed, 5 insertions, 0 deletions

diff --git a/stapprobes.5.in b/stapprobes.5.in
index 700452a7..fcc44df1 100644
--- a/stapprobes.5.in
+++ b/stapprobes.5.in
@@ -367,6 +367,8 @@ process(PID).syscall
 process("PATH").syscall
 process(PID).syscall.return
 process("PATH").syscall.return
+process(PID).itrace
+process("PATH").itrace
 .ESAMPLE
 .PP
 A
@@ -391,6 +393,9 @@ A
 probe gets called when a thread described by PID or PATH returns from a
 system call.  The system call number is available in the "$syscall"
 context variable.
+A
+.B .itrace
+probe gets called for every single step of the process described by PID or PATH.
 .PP
 Note that
 .I PATH