X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ltt-sessiond%2Fkernel-ctl.c;h=16b85bdb5bcb5b6793450b0f2794023541fa2466;hp=2f1864d6495ca8092a4a2744ec5a5c301bac9686;hb=19e708528b7ebd740485ca05056e56e6835d43a7;hpb=cab7ad6aa0493b9a78b16756674f80556a33c0e5 diff --git a/ltt-sessiond/kernel-ctl.c b/ltt-sessiond/kernel-ctl.c index 2f1864d64..16b85bdb5 100644 --- a/ltt-sessiond/kernel-ctl.c +++ b/ltt-sessiond/kernel-ctl.c @@ -124,7 +124,7 @@ error: * Create a kernel event, enable it to the kernel tracer and add it to the * channel event list of the kernel session. */ -int kernel_create_event(struct ltt_kernel_channel *channel, struct lttng_event *ev) +int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel) { int ret; struct ltt_kernel_event *event; @@ -161,29 +161,47 @@ error: } /* - * kernel_disable_event + * kernel_enable_event * - * Disable a kernel event for a specific channel. + * Enable a kernel event. */ -int kernel_disable_event(char *event_name, struct ltt_kernel_channel *channel) +int kernel_enable_event(struct ltt_kernel_event *event) { int ret; - struct ltt_kernel_event *iter; - cds_list_for_each_entry(iter, &channel->events_list.head, list) { - if (strcmp(iter->event->name, event_name) == 0) { - ret = kernctl_disable(iter->fd); - if (ret < 0) { - perror("disable event ioctl"); - goto error; - } + ret = kernctl_enable(event->fd); + if (ret < 0) { + perror("enable event ioctl"); + goto error; + } - iter->enabled = 0; - DBG("Kernel event %s disabled (fd: %d)", iter->event->name, iter->fd); - break; - } + event->enabled = 1; + DBG("Kernel event %s enabled (fd: %d)", event->event->name, event->fd); + + return 0; + +error: + return -1; +} + +/* + * kernel_disable_event + * + * Disable a kernel event. + */ +int kernel_disable_event(struct ltt_kernel_event *event) +{ + int ret; + + ret = kernctl_disable(event->fd); + if (ret < 0) { + perror("disable event ioctl"); + goto error; } + event->enabled = 0; + DBG("Kernel event %s disabled (fd: %d)", event->event->name, event->fd); + return 0; error: