diff options
Diffstat (limited to 'internal/generate/classify.go')
| -rw-r--r-- | internal/generate/classify.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/internal/generate/classify.go b/internal/generate/classify.go index b7e9c0f..f85cb93 100644 --- a/internal/generate/classify.go +++ b/internal/generate/classify.go @@ -246,7 +246,18 @@ var nameOnlyKindsTable = map[string]TracepointKind{ // fd_event. This lets the runtime honour the upper bound and the // CLOSE_RANGE_CLOEXEC flag instead of closing every fd >= first. "sys_enter_close_range": KindTwoFd, - "sys_enter_statmount": KindNull, + // sendfile64(out_fd, in_fd, offset, count) transfers bytes between two file + // descriptors inside the kernel and returns the number of bytes written to + // out_fd (TransferClassified, see retClassifications). Its tracepoint fields + // (out_fd, in_fd, offset, count) carry no field literally named "fd", so + // without an explicit override it would fall through to KindNull and capture + // no descriptor at all — unlike its sibling copy_file_range, which is a + // KindFd event. Capture out_fd (args[0], the destination the bytes are + // written to) so sendfile64 attributes its transfer to a concrete fd, matching + // the single-fd KindFd convention used for copy_file_range and the + // read/write/sendto/recvfrom families. + "sys_enter_sendfile64": KindFd, + "sys_enter_statmount": KindNull, "sys_enter_listmount": KindNull, "sys_enter_listns": KindNull, |