diff options
Diffstat (limited to 'trace/control.c')
| -rw-r--r-- | trace/control.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/trace/control.c b/trace/control.c index 6b32511d60..a2313273d8 100644 --- a/trace/control.c +++ b/trace/control.c @@ -29,6 +29,13 @@ int trace_events_enabled_count; +typedef struct TraceEventGroup { + TraceEvent **events; +} TraceEventGroup; + +static TraceEventGroup *event_groups; +static size_t nevent_groups; + QemuOptsList qemu_trace_opts = { .name = "trace", .implied_opt_name = "enable", @@ -50,6 +57,14 @@ QemuOptsList qemu_trace_opts = { }; +void trace_event_register_group(TraceEvent **events) +{ + event_groups = g_renew(TraceEventGroup, event_groups, nevent_groups + 1); + event_groups[nevent_groups].events = events; + nevent_groups++; +} + + TraceEvent *trace_event_name(const char *name) { assert(name != NULL); @@ -100,14 +115,20 @@ static bool pattern_glob(const char *pat, const char *ev) void trace_event_iter_init(TraceEventIter *iter, const char *pattern) { iter->event = 0; + iter->group = 0; iter->pattern = pattern; } TraceEvent *trace_event_iter_next(TraceEventIter *iter) { - while (trace_events[iter->event] != NULL) { - TraceEvent *ev = trace_events[iter->event]; + while (iter->group < nevent_groups && + event_groups[iter->group].events[iter->event] != NULL) { + TraceEvent *ev = event_groups[iter->group].events[iter->event]; iter->event++; + if (event_groups[iter->group].events[iter->event] == NULL) { + iter->event = 0; + iter->group++; + } if (!iter->pattern || pattern_glob(iter->pattern, trace_event_get_name(ev))) { |