X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.c;h=94e22ff0691170ad5db2f856b4bd512cd9f7e9d7;hp=4470e77177d104011e88b37a0096b0036f6f61b0;hb=bbd6675c857ad9bf95e59446476cab19d1f6736e;hpb=edf4b93e2f5c849cbec49e987990b3705ea49f6a diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c index 4470e7717..94e22ff06 100644 --- a/src/common/kernel-ctl/kernel-ctl.c +++ b/src/common/kernel-ctl/kernel-ctl.c @@ -418,7 +418,48 @@ int kernctl_stop_session(int fd) LTTNG_KERNEL_SESSION_STOP); } -int kernctl_filter(int fd, struct lttng_filter_bytecode *filter) +int kernctl_create_event_notifier_group(int fd) +{ + return LTTNG_IOCTL_NO_CHECK(fd, + LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_CREATE); +} + +int kernctl_create_event_notifier_group_notification_fd(int group_fd) +{ + return LTTNG_IOCTL_NO_CHECK(group_fd, + LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD); +} + +int kernctl_create_event_notifier(int group_fd, + const struct lttng_kernel_event_notifier *event_notifier) +{ + return LTTNG_IOCTL_NO_CHECK(group_fd, + LTTNG_KERNEL_EVENT_NOTIFIER_CREATE, event_notifier); +} + +int kernctl_capture(int fd, const struct lttng_bytecode *capture) +{ + int ret; + struct lttng_kernel_capture_bytecode *kb; + + /* Translate bytecode to kernel bytecode. */ + kb = zmalloc(sizeof(*kb) + capture->len); + if (!kb) { + ret = -ENOMEM; + goto end; + } + + kb->len = capture->len; + kb->reloc_offset = capture->reloc_table_offset; + kb->seqnum = capture->seqnum; + memcpy(kb->data, capture->data, capture->len); + ret = LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_CAPTURE, kb); + free(kb); +end: + return ret; +} + +int kernctl_filter(int fd, const struct lttng_bytecode *filter) { struct lttng_kernel_filter_bytecode *kb; uint32_t len;