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-rw-r--r--scripts/tracetool/backend/ftrace.py56
1 files changed, 25 insertions, 31 deletions
diff --git a/scripts/tracetool/backend/ftrace.py b/scripts/tracetool/backend/ftrace.py
index 888c361..d798c71 100644
--- a/scripts/tracetool/backend/ftrace.py
+++ b/scripts/tracetool/backend/ftrace.py
@@ -19,36 +19,30 @@ from tracetool import out
PUBLIC = True
-def c(events):
- pass
-
-def h(events):
+def generate_h_begin(events):
out('#include "trace/ftrace.h"',
'#include "trace/control.h"',
- '',
- )
-
- for e in events:
- argnames = ", ".join(e.args.names())
- if len(e.args) > 0:
- argnames = ", " + argnames
-
- out('static inline void trace_%(name)s(%(args)s)',
- '{',
- ' char ftrace_buf[MAX_TRACE_STRLEN];',
- ' int unused __attribute__ ((unused));',
- ' int trlen;',
- ' bool _state = trace_event_get_state(%(event_id)s);',
- ' if (_state) {',
- ' trlen = snprintf(ftrace_buf, MAX_TRACE_STRLEN,',
- ' "%(name)s " %(fmt)s "\\n" %(argnames)s);',
- ' trlen = MIN(trlen, MAX_TRACE_STRLEN - 1);',
- ' unused = write(trace_marker_fd, ftrace_buf, trlen);',
- ' }',
- '}',
- name = e.name,
- args = e.args,
- event_id = "TRACE_" + e.name.upper(),
- fmt = e.fmt.rstrip("\n"),
- argnames = argnames,
- )
+ '')
+
+
+def generate_h(event):
+ argnames = ", ".join(event.args.names())
+ if len(event.args) > 0:
+ argnames = ", " + argnames
+
+ out(' {',
+ ' char ftrace_buf[MAX_TRACE_STRLEN];',
+ ' int unused __attribute__ ((unused));',
+ ' int trlen;',
+ ' if (trace_event_get_state(%(event_id)s)) {',
+ ' trlen = snprintf(ftrace_buf, MAX_TRACE_STRLEN,',
+ ' "%(name)s " %(fmt)s "\\n" %(argnames)s);',
+ ' trlen = MIN(trlen, MAX_TRACE_STRLEN - 1);',
+ ' unused = write(trace_marker_fd, ftrace_buf, trlen);',
+ ' }',
+ ' }',
+ name=event.name,
+ args=event.args,
+ event_id="TRACE_" + event.name.upper(),
+ fmt=event.fmt.rstrip("\n"),
+ argnames=argnames)
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