On Fri, Aug 08, 2025 at 11:11:10AM +0200, Paolo Bonzini wrote:
> This simplifies the Python code and reduces the size of the tracepoints.
>
> Signed-off-by: Paolo Bonzini <[email protected]>
> ---
> tests/tracetool/ftrace.h | 26 ++++----------------------
> trace/ftrace.h | 1 +
> trace/ftrace.c | 13 +++++++++++++
> scripts/tracetool/backend/ftrace.py | 13 ++-----------
> 4 files changed, 20 insertions(+), 33 deletions(-)
> diff --git a/trace/ftrace.c b/trace/ftrace.c
> index 9749543d9b2..1d7e1ee6f6d 100644
> --- a/trace/ftrace.c
> +++ b/trace/ftrace.c
> @@ -38,6 +38,19 @@ static int find_mount(char *mount_point, const char
> *fstype)
> return ret;
> }
>
> +void ftrace_write(const char *fmt, ...)
> +{
> + char ftrace_buf[MAX_TRACE_STRLEN];
> + int unused __attribute__ ((unused));
> + int trlen;
> + va_list ap;
> +
> + va_start(ap, fmt);
> + trlen = vsnprintf(ftrace_buf, MAX_TRACE_STRLEN, fmt, ap);
va_end(ap);
> + trlen = MIN(trlen, MAX_TRACE_STRLEN - 1);
> + unused = write(trace_marker_fd, ftrace_buf, trlen);
> +}
> +
> bool ftrace_init(void)
> {
> char mount_point[PATH_MAX];
With regards,
Daniel
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