X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.c;h=ce8d8a0eb1f4ec4df60d388589be6ab209673b4f;hp=b45efd0efa1dc7e6b5e8520419d9f7f6dff99ebd;hb=6e911cad03751b6814fddd65b19a592acdc2b7b7;hpb=f853c53a00da0640403f536fc5bfc9146baf200c diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c index b45efd0ef..ce8d8a0eb 100644 --- a/src/common/kernel-ctl/kernel-ctl.c +++ b/src/common/kernel-ctl/kernel-ctl.c @@ -99,7 +99,7 @@ int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops) channel.switch_timer_interval = chops->switch_timer_interval; channel.read_timer_interval = chops->read_timer_interval; channel.output = chops->output; - memcpy(channel.padding, chops->padding, sizeof(channel.padding)); + memcpy(channel.padding, chops->padding, sizeof(chops->padding)); return ioctl(fd, LTTNG_KERNEL_METADATA, &channel); } @@ -134,11 +134,35 @@ int kernctl_create_channel(int fd, struct lttng_channel_attr *chops) channel.switch_timer_interval = chops->switch_timer_interval; channel.read_timer_interval = chops->read_timer_interval; channel.output = chops->output; - memcpy(channel.padding, chops->padding, sizeof(channel.padding)); + memcpy(channel.padding, chops->padding, sizeof(chops->padding)); return ioctl(fd, LTTNG_KERNEL_CHANNEL, &channel); } +int kernctl_enable_syscall(int fd, const char *syscall_name) +{ + struct lttng_kernel_event event; + + memset(&event, 0, sizeof(event)); + strncpy(event.name, syscall_name, sizeof(event.name)); + event.name[sizeof(event.name) - 1] = '\0'; + event.instrumentation = LTTNG_KERNEL_SYSCALL; + event.u.syscall.disable = 0; + return ioctl(fd, LTTNG_KERNEL_EVENT, &event); +} + +int kernctl_disable_syscall(int fd, const char *syscall_name) +{ + struct lttng_kernel_event event; + + memset(&event, 0, sizeof(event)); + strncpy(event.name, syscall_name, sizeof(event.name)); + event.name[sizeof(event.name) - 1] = '\0'; + event.instrumentation = LTTNG_KERNEL_SYSCALL; + event.u.syscall.disable = 1; + return ioctl(fd, LTTNG_KERNEL_EVENT, &event); +} + int kernctl_create_stream(int fd) { return compat_ioctl_no_arg(fd, LTTNG_KERNEL_OLD_STREAM, @@ -188,7 +212,7 @@ int kernctl_add_context(int fd, struct lttng_kernel_context *ctx) old_ctx.ctx = ctx->ctx; /* only type that uses the union */ - if (ctx->ctx == LTTNG_KERNEL_CONTEXT_PERF_COUNTER) { + if (ctx->ctx == LTTNG_KERNEL_CONTEXT_PERF_CPU_COUNTER) { old_ctx.u.perf_counter.type = ctx->u.perf_counter.type; old_ctx.u.perf_counter.config = @@ -390,3 +414,45 @@ int kernctl_put_subbuf(int fd) { return ioctl(fd, RING_BUFFER_PUT_SUBBUF); } + +/* Returns the timestamp begin of the current sub-buffer. */ +int kernctl_get_timestamp_begin(int fd, uint64_t *timestamp_begin) +{ + return ioctl(fd, LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN, timestamp_begin); +} + +/* Returns the timestamp end of the current sub-buffer. */ +int kernctl_get_timestamp_end(int fd, uint64_t *timestamp_end) +{ + return ioctl(fd, LTTNG_RING_BUFFER_GET_TIMESTAMP_END, timestamp_end); +} + +/* Returns the number of discarded events in the current sub-buffer. */ +int kernctl_get_events_discarded(int fd, uint64_t *events_discarded) +{ + return ioctl(fd, LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED, events_discarded); +} + +/* Returns the content size in the current sub-buffer. */ +int kernctl_get_content_size(int fd, uint64_t *content_size) +{ + return ioctl(fd, LTTNG_RING_BUFFER_GET_CONTENT_SIZE, content_size); +} + +/* Returns the packet size in the current sub-buffer. */ +int kernctl_get_packet_size(int fd, uint64_t *packet_size) +{ + return ioctl(fd, LTTNG_RING_BUFFER_GET_PACKET_SIZE, packet_size); +} + +/* Returns the stream id of the current sub-buffer. */ +int kernctl_get_stream_id(int fd, uint64_t *stream_id) +{ + return ioctl(fd, LTTNG_RING_BUFFER_GET_STREAM_ID, stream_id); +} + +/* Returns the current timestamp. */ +int kernctl_get_current_timestamp(int fd, uint64_t *ts) +{ + return ioctl(fd, LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP, ts); +}