All variables are 64-bit and so %l / %ll are not required, and the
latter is actually invalid:
$ sudo stap -e 'probe begin{printf ("BEGIN")}' -I .
parse error: invalid or missing conversion specifier
saw: operator ',' at ./qemu-system-x86_64-log.stp:15118:101
source: printf("%d@%d vhost_vdpa_set_log_base dev: %p base: 0x%x
size: %llu
refcnt: %d fd: %d log: %p\n", pid(), gettimeofday_ns(), dev, base, size,
refcnt, fd, log)
^
Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
---
scripts/tracetool/format/log_stap.py | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
In v2:
- Change existing logic that stripped %z to handle %l/%ll too
diff --git a/scripts/tracetool/format/log_stap.py
b/scripts/tracetool/format/log_stap.py
index b486beb672..fac911a0f4 100644
--- a/scripts/tracetool/format/log_stap.py
+++ b/scripts/tracetool/format/log_stap.py
@@ -77,7 +77,12 @@ def c_fmt_to_stap(fmt):
elif state == STATE_LITERAL:
bits.append(literal)
- fmt = re.sub("%(\d*)z(x|u|d)", "%\\1\\2", "".join(bits))
+ # All variables in systemtap are 64-bit in size
+ # The "%l" integer size qualifier is thus redundant
+ # and "%ll" is not valid at all. Simiarly the size_t
+ # based "%z" size qualifier is not valid. We just
+ # strip all size qualifiers for sanity.
+ fmt = re.sub("%(\d*)(l+|z)(x|u|d)", "%\\1\\3", "".join(bits))
return fmt
def generate(events, backend, group):
--
2.29.2
