X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libust%2Ftracer.c;h=c9422c8fec5c27668552693e93acde510a0baf2d;hb=bc237fab2306223e429c43ff003ac06c3777be99;hp=52928b836ba290c9d67d1ce45cc63377b32ba693;hpb=763f41e58126afdc361006831a7daca773a9627a;p=ust.git diff --git a/libust/tracer.c b/libust/tracer.c index 52928b8..c9422c8 100644 --- a/libust/tracer.c +++ b/libust/tracer.c @@ -34,7 +34,8 @@ #include #include -#include +#include + #include "tracercore.h" #include "tracer.h" #include "usterr.h" @@ -68,11 +69,7 @@ int (*ltt_statedump_functor)(struct ust_trace *trace) = ltt_statedump_default; struct module *ltt_statedump_owner; -struct chan_info_struct { - const char *name; - unsigned int def_subbufsize; - unsigned int def_subbufcount; -} chan_infos[] = { +struct chan_info_struct chan_infos[] = { [LTT_CHANNEL_METADATA] = { LTT_METADATA_CHANNEL, LTT_DEFAULT_SUBBUF_SIZE_LOW, @@ -340,10 +337,10 @@ void ltt_release_transport(struct kref *kref) */ void ltt_release_trace(struct kref *kref) { - struct ust_trace *trace = container_of(kref, + struct ust_trace *trace = _ust_container_of(kref, struct ust_trace, kref); ltt_channels_trace_free(trace->channels); - kfree(trace); + free(trace); } static inline void prepare_chan_size_num(unsigned int *subbuf_size, @@ -381,7 +378,7 @@ int _ltt_trace_setup(const char *trace_name) goto traces_error; } - new_trace = kzalloc(sizeof(struct ust_trace), GFP_KERNEL); + new_trace = zmalloc(sizeof(struct ust_trace)); if (!new_trace) { ERR("Unable to allocate memory for trace %s", trace_name); err = -ENOMEM; @@ -389,7 +386,8 @@ int _ltt_trace_setup(const char *trace_name) } strncpy(new_trace->trace_name, trace_name, NAME_MAX); new_trace->channels = ltt_channels_trace_alloc(&new_trace->nr_channels, - 0, 1); + ust_channels_overwrite_by_default, + ust_channels_request_collection_by_default, 1); if (!new_trace->channels) { ERR("Unable to allocate memory for chaninfo %s\n", trace_name); err = -ENOMEM; @@ -423,7 +421,7 @@ int _ltt_trace_setup(const char *trace_name) return 0; trace_free: - kfree(new_trace); + free(new_trace); traces_error: return err; } @@ -442,7 +440,7 @@ int ltt_trace_setup(const char *trace_name) static void _ltt_trace_free(struct ust_trace *trace) { list_del(&trace->list); - kfree(trace); + free(trace); } int ltt_trace_set_type(const char *trace_name, const char *trace_type) @@ -784,15 +782,17 @@ traces_error: } /* Sleepable part of the destroy */ -static void __ltt_trace_destroy(struct ust_trace *trace) +static void __ltt_trace_destroy(struct ust_trace *trace, int drop) { int i; struct ust_channel *chan; - for (i = 0; i < trace->nr_channels; i++) { - chan = &trace->channels[i]; - if (chan->active) - trace->ops->finish_channel(chan); + if(!drop) { + for (i = 0; i < trace->nr_channels; i++) { + chan = &trace->channels[i]; + if (chan->active) + trace->ops->finish_channel(chan); + } } return; /* FIXME: temporary for ust */ @@ -827,7 +827,7 @@ static void __ltt_trace_destroy(struct ust_trace *trace) kref_put(&trace->kref, ltt_release_trace); } -int ltt_trace_destroy(const char *trace_name) +int ltt_trace_destroy(const char *trace_name, int drop) { int err = 0; struct ust_trace *trace; @@ -842,7 +842,7 @@ int ltt_trace_destroy(const char *trace_name) ltt_unlock_traces(); - __ltt_trace_destroy(trace); + __ltt_trace_destroy(trace, drop); //ust// put_trace_clock(); return 0;